diff --git a/.gitignore b/.gitignore index 58b805f..fd2d3f2 100644 --- a/.gitignore +++ b/.gitignore @@ -1,2 +1,3 @@ .DS_Store -node_modules/ \ No newline at end of file +node_modules/ +test/ diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md index 5a188a3..200a87b 100644 --- a/CONTRIBUTING.md +++ b/CONTRIBUTING.md @@ -12,7 +12,7 @@ Although p5.grain can already be used for p5.js sketches in production, it's sti * [Coding Guidelines](#coding-guidelines) * [Commit Message Guidelines](#commit-message-guidelines) * [Licensing](#licensing) -* [Roadmap](#roadmap) +* [History & Roadmap](#history_and_roadmap) ## Code of Conduct @@ -86,8 +86,8 @@ Guidelines: ``` 6. **Testing and examples** * If it makes sense (e.g. you added a new technique), create a standalone example inside the `/examples` directory. - * If your technique supports cross-browser animation, enable it by default. - * Use the existing examples as orientation for your example.
*NOTE: Examples only showcase the simplest implementation of a technique.* + * If your technique supports cross-browser animation, disable it by default. Take an example from [texture-overlay-inside](http://localhost:8888/xyz/p5.grain/examples/texture-overlay-inside) on how animation should be enabled in the example. + * Use the existing examples as orientation for your example.*NOTE: Examples only showcase the simplest implementation of a technique.* * Test all examples to see if they still work as expected in all major desktop and mobile browsers (especially Safari). * If you cannot test your changes in some browsers or platforms, mention this in the respective issue or discussion so that somebody else can check this. * If necessary, update existing examples to reflect your changes. @@ -222,16 +222,19 @@ By making a contribution to this project, I certify that: this project or the open source license(s) involved. ``` -## Roadmap + + +## History & Roadmap * [x] Add possibility for custom `granulate` functions (`v0.4.0`) * [x] Add possibility to apply grain and textures to offscreen graphics (`v0.5.0`) * [x] Add possibility to by-pass updating pixels when using `tinkerPixels` (`v0.6.0`) * [x] Add alias `loopPixels` for read-only mode (`v0.7.0`) * [x] Add support for instance mode (`v0.7.0`) -* [ ] Improve pixel manipulation technique performance -* [ ] Implement JavaScript module syntax +* [x] Add support for `p5.Image` (`v0.8.0`) +* [x] Improve pixel manipulation technique performance (`v0.8.0`) * [ ] Add possibility to use shaders +* [ ] Implement JavaScript module syntax * [ ] Add possibility to build only specified functions to the minified version * [ ] Add npm scripts for Windows * [ ] Add npm scripts for Linux diff --git a/README.md b/README.md index 0998a8e..cf634a8 100644 --- a/README.md +++ b/README.md @@ -1,9 +1,35 @@ + + # 🌾 p5.grain -p5.grain is a [p5.js](https://github.com/processing/p5.js) addon for conveniently applying grain and texture overlays to artworks. +p5.grain is a [p5.js](https://github.com/processing/p5.js) library for conveniently applying film grain, seamless texture overlays, and manipulate pixels to achieve nostalgic and artistic effects in p5.js sketches and artworks. + +Ideal for deterministic generative artworks, p5.grain ensures consistent film grain effects with each reload. It's perfect for platforms like [fxhash](https://www.fxhash.xyz), where generative artworks should use a deterministic approach to randomness. + +The initial release of the library was accompanied by the article "[All About That Grain](https://www.fxhash.xyz/article/all-about-that-grain)" co-authored by [Gorilla Sun](https://x.com/gorillasu) and [meezwhite](https://x.com/meezwhite). Since then, p5.grain has been regularly updated to further enhance its functionality, performance and ease of use. + + + -p5.grain was also created with [fxhash](https://www.fxhash.xyz) projects in mind that use the deterministic `fxrand` random function. +## Table of Contents -You can read more in detail about the different techniques to achieve grain in artworks in the article "[All about that grain](https://www.fxhash.xyz/article/all-about-that-grain)" by [Gorilla Sun](https://twitter.com/gorillasu) and [meezwhite](https://twitter.com/meezwhite). +* [Getting started](#getting_started) +* [Which file should I use?](#which_file) +* [Setup](#setup) +* [Techniques](#techniques) + * [Pixel manipulation](#pixel_manipulation) + * [Read-only mode](#read_only_mode) + * [Texture overlay](#texture_overlay_inside_canvas) + * [Texture overlay + Texture animation](#texture_overlay_inside_canvas_with_texture_animation) +* [Ignoring errors and warnings](#ignoring_errors_and_warnings) +* [Global and instance mode](#global_and_instance_mode) +* [API](#api) +* [Limitations](#limitations) +* [Support](#support) +* [Contributing](#contributing) +* [License](#license) + + + ## Getting started Download the latest version from [Releases](https://github.com/meezwhite/p5.grain/releases) and embed `p5.grain.js` (~42 KB) or `p5.grain.min.js` (~6 KB) in your project's HTML file *after* loading p5.js but *before* loading your sketch code. @@ -15,15 +41,32 @@ Download the latest version from [Releases](https://github.com/meezwhite/p5.grai ``` -*Note: The unminified version `p5.grain.js` is primarily meant for development; it handles errors and warnings. However, we recommend using the minified version `p5.grain.min.js` when your sketch is final and you've made sure that p5.grain-related errors and warnings cannot occur.* +[Go to top ⬆](#top) + + + + +## Which file should I use? -## Usage +The unminified version `p5.grain.js` is primarily meant for when you are working on your sketch. It handles p5.grain related errors and warnings, and therefore has a considerably larger file size. However, we recommend using the minified version `p5.grain.min.js` when your sketch is final and you've made sure that p5.grain related errors and warnings cannot occur. + +| File | Size | Purpose | Errors & Warnings | +| ----------------- | ------- | ----------- | ----------------------- | +| `p5.grain.js` | ~ 42 KB | development | Yes (can be turned off) | +| `p5.grain.min.js` | ~ 6 KB | production | No | + +[Go to top ⬆](#top) + + + + +## Setup The first step is to set up p5.grain according to your project's needs in the `setup` function of your sketch. ### Non-deterministic setup -Suited for projects that *don't* have to be deterministic, *don't* use the [pixel manipulation](#pixel-manipulation) technique, or *don't* use methods for animating texture overlays. +Use this setup for p5 sketches that *don't* need to use deterministic randomness. ```js function setup() { @@ -33,62 +76,62 @@ function setup() { ### Deterministic setup -Suited for projects that should be deterministic. +Use this setup for p5 sketches that need to use deterministic randomness. + +Simply set the seed value for the `random` function using [`randomSeed()`](https://p5js.org/reference/p5/randomSeed). In the example below, the seed value 16 (one million) is used, but you can choose any seed value you like: ```js function setup() { - // make Math.random be same as random - Math.random = random; - - // set seeds (example) - randomSeed(999999); - noiseSeed(999999); - + randomSeed(1e6); p5grain.setup(); } ``` -### Deterministic setup (fxhash) +
+Deterministic setup (fxhash) +
Use this setup when using p5.grain for fxhash generative projects. +

+If you're unsure how to correctly use randomness for fxhash projects, we recommend reading the "Use Randomness Correctly" guide in the fxhash documentation first. + +#### Method 1: Using `fxrand` for randomness (recommended) -Suited for fxhash projects. +In most cases, you will use `fxrand` as the *single* source of randomness for your generative project. In this case, you simply have to configure p5.grain to also use `fxrand` as the underlying source of randomness: ```js function setup() { - // make Math.random be same as fxrand - Math.random = fxrand; - - // set seeds (example) - randomSeed(fxrand() * 999999); - noiseSeed(fxrand() * 999999); - - // use fxrand as the internal random function p5grain.setup({ random: fxrand }); + + // Use `fxrand()` for all randomness in your project. } ``` -### Ignoring errors and warnings +*Note: You can also use `$fx.rand` instead of `fxrand` for consistency across your code. Please refer to the [fxhash API reference](https://docs.fxhash.xyz/api-reference) for further information.* -*Note: Ignoring errors and warnings is not possible when using `p5.grain.min.js`, since errors and warnings are not handled in the minified version of p5.grain.* +#### Method 2: Using p5's `random` for randomness -Initially, p5.grain will attempt to extend p5.js core functionality by registering new methods. If a method cannot be registered because the method name is already in use, p5.grain will log a warning with a suggestion of an alternative usage. You can prevent warnings to be logged by passing `ignoreWarnings: true` to the `config` object when setting up p5.grain. +Although this method is not used that often for fxhash projects, you can use p5's `random` function as the *single* source of randomness for your generative project too. To achieve this, you'll need to use `fxrand` *once* to generate an initial deterministic number for computing the seed value for `random`. -When using p5.grain methods, the library validates the parameters passed to the respective methods, and error messages are thrown in case of invalid parameters to attract attention during development. You can prevent errors to be thrown by passing `ignoreErrors: true` to the `config` object when setting up p5.grain. - -*Note: If your sketch is final and you've made sure that p5.grain-related errors or warnings cannot occur, we recommend using `p5.grain.min.js` instead of manually ignoring errors and warnings as shown below, since errors and warnings are not handled in the minified version of p5.grain.* +In the example below, a seed value is computed by multiplying `fxrand` with a number of your choice. In this case, 16 (one million) is used, but you can choose any number you like: ```js function setup() { - // ignore warnings and errors - p5grain.setup({ - ignoreWarnings: true, - ignoreErrors: true, - }); + randomSeed(fxrand() * 1e6); + p5grain.setup(); + + // Use `random()` for all randomness in your project. } ``` +*Note: You can also use `$fx.rand` instead of `fxrand` for consistency across your code. Please refer to the [fxhash API reference](https://docs.fxhash.xyz/api-reference) for further information.* + +
+ + + + ## Techniques -p5.grain currently supports the techniques: pixel manipulation, texture overlay and SVG filter. WebGL shader technique is coming soon. +p5.grain currently supports the techniques: pixel manipulation, texture overlay and SVG filter. WebGL shader technique is planned for the future. Stay tuned! Depending on how your artwork is created and whether you want to animate texture overlays, you would use p5.grain methods within the `setup` or `draw` functions of your sketch. @@ -96,14 +139,21 @@ The best way to get you started with a technique is to check out the provided st Go to the standalone examples: * [Pixel manipulation](./examples/pixel-manipulation) + * [Monochromatic grain](./examples/pixel-manipulation/01-monochromatic-grain) + * [Chromatic grain](./examples/pixel-manipulation/02-chromatic-grain) + * [Tinker with pixels](./examples/pixel-manipulation/03-tinker-pixels) + * [Loop over pixels](./examples/pixel-manipulation/04-loop-pixels-read-onyl) (read-only mode) * Texture overlay - * [Inside canvas](./examples/texture-overlay-inside) (texture animation supported) - * [Outside canvas](./examples/texture-overlay-outside) (texture animation supported) + * [Inside canvas](./examples/texture-overlay-inside) (texture animation supported) + * [Outside canvas](./examples/texture-overlay-outside) (texture animation supported) * SVG filter - * [SVG element](./examples/svg-element) (texture animation supported; [limited compatibility in Safari](#limitations)) - * [SVG URL-encoded](./examples/svg-url-encoded) (texture animation supported; [doesn't work in Safari](#limitations)) + * [SVG element](./examples/svg-element) (texture animation supported; [limited compatibility in Safari](#limitations)) + * [SVG URL-encoded](./examples/svg-url-encoded) (texture animation supported; [doesn't work in Safari](#limitations)) -Here are a few examples of a basic implementation for each respective technique. *Note: the examples below are non-deterministic.* +Here are a few examples of a basic implementation for each respective technique. **All the examples below showcase how to use p5.grain in global mode and non-deterministically.** + + + ### Pixel manipulation @@ -112,43 +162,33 @@ function setup() { p5grain.setup(); - // draw your artwork here - // ... + // draw something... - // example: apply monochromatic grain applyMonochromaticGrain(42); - - // example: apply chromatic grain // applyChromaticGrain(42); } ``` -The next example demonstates granulating the artwork using `tinkerPixels(callback, shouldUpdate)` pixel-manipulation function. In this case the `callback` function is an implementation of the `applyMonochromaticGrain` function. *Note that the example is non-deterministic!* +The next example demonstates modifying the artwork's pixels using the `tinkerPixels(callback)` function. Here the red channel of each pixel is set to a random value between 0 and 255: ```js function setup() { p5grain.setup(); - // draw your artwork here - // ... + // draw something... - // example: custom applyMonochromaticGrain implementation - const amount = 42; - const alpha = false; + // set the red channel of each pixel to a random value between 0 and 255 tinkerPixels((index, total) => { - const grainAmount = floor(random() * (amount * 2 + 1)) - amount; - pixels[index] = pixels[index] + grainAmount; - pixels[index+1] = pixels[index+1] + grainAmount; - pixels[index+2] = pixels[index+2] + grainAmount; - if (alpha) { - pixels[index+3] = pixels[index+3] + grainAmount; - } + pixels[index] = random(0, 255); // red channel }); } ``` + + #### Read-only mode + If you only want to loop over pixels without changing them, you can use `loopPixels`: ```js loopPixels((index, total) => { @@ -165,7 +205,12 @@ tinkerPixels((index, total) => { }, false); // <-- shouldUpdate = false ``` -### Texture overlay inside canvas +[Go to top ⬆](#top) + + + + +### Texture overlay ```js let textureImage; @@ -178,14 +223,20 @@ function setup() { p5grain.setup(); - // draw your artwork here - // ... + // draw something... textureOverlay(textureImage); } ``` -### Texture overlay inside canvas with texture animation +*Note: the texture is rendered directly onto the canvas.* + +[Go to top ⬆](#top) + + + + +### Texture overlay + Texture animation ```js let textureImage; @@ -199,120 +250,219 @@ function setup() { } function draw() { - - // draw your artwork here - // ... + // draw something... textureOverlay(textureImage, { animate: true }); } ``` +*Note: the texture is rendered directly onto the canvas.* + For more concrete use cases, please have a look at the provided [examples](./examples). +[Go to top ⬆](#top) + + + + +## Ignoring errors and warnings + +Turning off errors and warnings is possible when using the unminified version of p5.grain (`p5.grain.js`). The minified version of p5.grain (`p5.grain.min.js`) doesn't handle errors and warnings. (see [Which file should I use?](#which_file)) + +Initially, p5.grain will attempt to extend p5.js core functionality by registering new functions. If a function cannot be registered because the function name is already in use, p5.grain will log a warning with a suggestion of an alternative usage. You can prevent warnings to be logged by passing `ignoreWarnings: true` to the `config` object when setting up p5.grain. + +When using p5.grain functions, the library validates the parameters passed to the respective functions, and error messages are thrown in case of invalid parameters to attract attention during development. You can prevent errors to be thrown by passing `ignoreErrors: true` to the `config` object when setting up p5.grain. + +When your sketch is final and you've made sure that p5.grain-related errors or warnings cannot occur, we recommend using `p5.grain.min.js` instead of manually ignoring errors and warnings as shown below, since errors and warnings are not handled in the minified version of p5.grain. + +```js +function setup() { + // ignore warnings and errors + p5grain.setup({ + ignoreWarnings: true, + ignoreErrors: true, + }); +} +``` + +[Go to top ⬆](#top) + + + + ## Global and instance mode -p5.grain supports both global and instance mode. You can read more about p5.js global and instance mode [here](https://github.com/processing/p5.js/wiki/Global-and-instance-mode). +p5.grain supports both global and instance mode. You can read more about p5.js global and instance modes [here](https://github.com/processing/p5.js/wiki/Global-and-instance-mode). All examples from above showcase p5.grain usage in p5's global mode. -In order to use p5.grain on a specific p5.js instance, you can pass the respective instance to the `p5grain.setup` method. Since p5.grain methods are registered to `p5.prototype`, you can call registered p5.grain methods directly on your p5.js instance. Here's how to use p5.grain in p5's instance mode: +In order to use p5.grain on a specific p5.js instance, you can pass the respective instance to the `p5grain.setup` function. Since p5.grain functions are registered to `p5.prototype`, you can call registered p5.grain functions directly on your p5.js instance. Here's how to use p5.grain in p5's instance mode: ```js let myp5 = new p5((sketch) => { sketch.setup = () => { - + // configure p5.grain to be used on a specific p5.js instance p5grain.setup({ instance: sketch }); - // draw your artwork here - // ... + // draw something... // example: apply monochromatic grain sketch.applyMonochromaticGrain(42); } }); ``` + To better understand how p5.grain works in instance mode, please have a look at the provided [examples](./examples/instance-mode/). +[Go to top ⬆](#top) + + + + ## API -p5.grain exposes the following API. +**Note: p5.grain is still in the initial development phase and the API can still change. Always review the release notes.** -*Note: p5.grain is still in the initial development phase and the API can still change. Always review the release notes.* +The library initializes the global `p5grain` variable to a new `P5Grain` instance. You can directly access the properties and functions below from the `p5grain` variable. The library also attempts to register all p5.grain functions except `setup` with p5.js by adding them to `p5.prototype`. This way, instead of calling, for example, `p5grain.applyMonochromaticGrain(42)`, you can conveniently call `applyMonochromaticGrain(42)`, although the former is also possible. -The library initializes the global `p5grain` variable to a new `P5Grain` instance. You can directly access the fields and methods below from the `p5grain` variable. The library also attempts to register all p5.grain methods except `setup` with p5.js by adding them to `p5.prototype`. This way, instead of calling, for example, `p5grain.applyMonochromaticGrain(42)`, you can conveniently call `applyMonochromaticGrain(42)`, although the former is also possible. +p5.grain exposes the following properties and functions: -### Fields +### Properties -| Field | Type | Description | +| Property | Type | Description | | --- | --- | --- | | `version` | `String` | Holds the p5.grain version in [SemVer](https://semver.org) format. | -| `ignoreWarnings` | `Boolean` | Defines whether warnings should be ignored. (default: `false`)
*Note: not available in the p5.grain minified version.* | -| `ignoreErrors` | `Boolean` | Defines whether errors should be ignored. (default: `false`)
*Note: not available in the p5.grain minified version.* | +| `ignoreWarnings` | `Boolean` | Specifies whether warnings should be ignored. (default: `false`)
*Note: not available in the p5.grain minified version.* | +| `ignoreErrors` | `Boolean` | Specifies whether errors should be ignored. (default: `false`)
*Note: not available in the p5.grain minified version.* | -### Methods +### Functions | Method | Description | | --- | --- | -| `setup([config])` | Setup and configure certain p5.grain features. | -| `applyMonochromaticGrain(amount, [alpha], [pg])` | Apply monochromatic grain. | -| `applyChromaticGrain(amount, [alpha], [pg])` | Apply chromatic grain. | -| `tinkerPixels(callback, [shouldUpdate], [pg])` | Loop through pixels and call the given callback function for every pixel. Pixels are manipulated depending on the given callback function, unless read-only mode is enabled. | -| `loopPixels(callback, [pg])` | Loop through pixels and call the given callback function for every pixel without updating them (read-only mode). | -| `textureOverlay(textureImage, config)` | Blend the given texture image onto the canvas. | -| `textureAnimate(textureElement, config)` | Animate the given texture element by randomly shifting its background position. | +| `setup([config])` | Setup and configure p5.grain features. | +| `applyMonochromaticGrain(amount, [alpha], [pg])` | Apply monochromatic grain. | +| `applyChromaticGrain(amount, [alpha], [pg])` | Apply chromatic grain. | +| `tinkerPixels(callback, [shouldUpdate], [pg])` | Loop through pixels and call the given callback function for every pixel. Pixels are manipulated depending on the given callback function, unless read-only mode is enabled. | +| `loopPixels(callback, [pg])` | Loop through pixels and call the given callback function for every pixel without updating them (read-only mode). | +| `textureOverlay(textureImage, config)` | Blend the given texture image onto the canvas. The texture is repeated along the horizontal and vertical axes to cover the entire canvas or context. | +| `textureAnimate(textureElement, config)` | Animate the given texture element by randomly shifting its background position. | + +[Go to top ⬆](#top) + ### `p5grain.setup([config])` -Setup and configure certain p5grain features. +Setup and configure p5.grain features. -| Property | Type | Description | +| Parameter | Type | Description | | --- | --- | --- | | `config` | `Object` | (optional) Config object to configure p5grain features. | -| `config.random` | `function` | (optional) The random function that should be used internally for pixel manipulation and texture animation. | +| `config.random` | `function` | (optional) The random function that should be used for e.g. pixel manipulation, texture animation, etc. Here you could use a custom deterministic random function (e.g. fxrand). (default: p5's `random` function) | +| `config.randomMode` | `String` | (optional) Specifies the mode of the internal random function. Either `float` for floating-point numbers or `int` for integers. (default: `float`) | | `config.instance` | `Object` | (optional) Reference to a p5.js instance. Read how to use p5.grain with p5.js instance mode [here](#global-and-instance-mode). | -| `config.ignoreWarnings` | `Boolean` | (optional) Defines whether warnings should be ignored.
*Note: not available in the p5.grain minified version.* | -| `config.ignoreErrors` | `Boolean` | (optional) Defines whether errors should be ignored.
*Note: not available in the p5.grain minified version.* | +| `config.ignoreWarnings` | `Boolean` | (optional) Specifies whether warnings should be ignored. (default: `false`)
*Note: not available in the p5.grain minified version.* | +| `config.ignoreErrors` | `Boolean` | (optional) Specifies whether errors should be ignored. (default: `false`)
*Note: not available in the p5.grain minified version.* | + +
+Examples + +#### Custom random function + +Configure p5.grain to use `fxrand` as the internal random function: + +```js +function setup() { + p5grain.setup({ random: fxrand }); +} +``` + +#### Configure `randomMode` + +Configure the internal random function to generate integers: + +```js +function setup() { + p5grain.setup({ randomMode: 'int' }); +} +``` + +Configure the internal random function to generate floating-point numbers: + +```js +function setup() { + p5grain.setup({ randomMode: 'float' }); +} +``` + +*Note: `randomMode` is `float` by default, so you only need to do the above if you have previously configured `randomMode` to something other than `float` and you now need to generate random floating-point numbers again.* + +#### Ignore errors and warnings + +Make sure you've read the section on [Ignoring errors and warnings](#ignoring_errors_and_warnings). This is how you can suppress errors and warnings in the unminified version of p5.grain: + +```js +function setup() { + p5grain.setup({ + ignoreErrors: true, + ignoreWarnings: true, + }); +} +``` + +
+
+ +[Go to top ⬆](#top) ### `applyMonochromaticGrain(amount, [alpha], [pg])` Apply monochromatic grain. -This method generates one random value per pixel. The random value ranges from `-amount` to `+amount` and is added to every RGB(A) pixel channel. +This function generates one random value per pixel. The random value ranges from `-amount` to `+amount`. Each generated random value is added to every RGB(A) pixel channel. -| Property | Type | Description | +| Parameter | Type | Description | | --- | --- | --- | | `amount` | `Number` | The amount of granularity that should be applied. | -| `alpha` | `Boolean` | (optional) Specifies whether the alpha channel should also be modified. When not specified the alpha channel will not be modified. | -| `pg` | `p5.Graphics` | (optional) The offscreen graphics buffer whose pixels should be manipulated.
*Note: When using an offscreen graphics buffer, use the usual syntax `pg.applyMonochromaticGrain(amount, alpha)`. Only in case `p5.Graphics.applyMonochromaticGrain` could not be registered, use the alternative syntax `p5grain.applyMonochromaticGrain(amount, alpha, pg)`.* | +| `alpha` | `Boolean` | (optional) Specifies whether the alpha channel should also be modified. (default: `false`)

*Note: modifying the alpha channel could have unintended consequences. Only use if you are confident in what you are doing.* | +| `pg\|img` | `p5.Graphics\|p5.Image` | (optional) The offscreen graphics buffer or image whose pixels should be manipulated.

*Note: When using an offscreen graphics buffer, use the usual syntax `pg.applyMonochromaticGrain(amount, alpha)`. Only in case `p5.Graphics.applyMonochromaticGrain` could not be registered, use the alternative syntax `p5grain.applyMonochromaticGrain(amount, alpha, pg)`.*

*Note: When using an image, use the usual syntax `img.applyMonochromaticGrain(amount, alpha)`. Only in case `p5.Image.applyMonochromaticGrain` could not be registered, use the alternative syntax `p5grain.applyMonochromaticGrain(amount, alpha, img)`.* | + +[Go to top ⬆](#top) + ### `applyChromaticGrain(amount, [alpha], [pg])` Apply chromatic grain. -This method generates one random value per pixel channel. The random values range from `-amount` to `+amount`. Each random value is added to the respective RGB(A) channel of the pixel. +This function generates one random value per pixel channel. The random values range from `-amount` to `+amount`. Each generated random value is added to the respective RGB(A) channel of the pixel. -| Property | Type | Description | +| Parameter | Type | Description | | --- | --- | --- | | `amount` | `Number` | The amount of granularity that should be applied. | -| `alpha` | `Boolean` | (optional) Specifies whether the alpha channel should also be modified. When not specified the alpha channel will not be modified. | -| `pg` | `p5.Graphics` | (optional) The offscreen graphics buffer whose pixels should be manipulated.
*Note: When using an offscreen graphics buffer, use the usual syntax `pg.applyChromaticGrain(amount, alpha)`. Only in case `p5.Graphics.applyChromaticGrain` could not be registered, use the alternative syntax `p5grain.applyChromaticGrain(amount, alpha, pg)`.* | +| `alpha` | `Boolean` | (optional) Specifies whether the alpha channel should also be modified. (default: `false`)

*Note: modifying the alpha channel could have unintended consequences. Only use if you are confident in what you are doing.* | +| `pg\|img` | `p5.Graphics\|p5.Image` | (optional) The offscreen graphics buffer whose pixels should be manipulated.

*Note: When using an offscreen graphics buffer, use the usual syntax `pg.applyChromaticGrain(amount, alpha)`. Only in case `p5.Graphics.applyChromaticGrain` could not be registered, use the alternative syntax `p5grain.applyChromaticGrain(amount, alpha, pg)`.*

*Note: When using an image, use the usual syntax `img.applyChromaticGrain(amount, alpha)`. Only in case `p5.Image.applyChromaticGrain` could not be registered, use the alternative syntax `p5grain.applyChromaticGrain(amount, alpha, img)`.* | + +[Go to top ⬆](#top) + ### `tinkerPixels(callback, [shouldUpdate], [pg])` -Loop through pixels and call the given callback function on every pixel. Pixels are manipulated depending on the given callback function, unless read-only mode is enabled. +Loop through pixels and call the given callback function for every pixel. Pixels are manipulated depending on the given callback function, unless read-only mode is enabled. -The callback function exposes two arguments: -- `index`: the current pixel index -- `total`: the total indexes count +The callback function provides two arguments: +1. `index`: the current pixel index +2. `total`: the total indexes count -[Read-only mode](#read-only-mode): updating pixels can be by-passed by setting the `shouldUpdate` argument to `false`. +[Read-only mode](#read-only-mode): updating pixels can be by-passed by setting the `shouldUpdate` argument to `false`. **It is however recommended to use `loopPixels` if you only want to loop through pixels.** -| Property | Type | Description | +| Parameter | Type | Description | | --- | --- | --- | | `callback` | `Function` | The callback function that should be called on every pixel. | -| `shouldUpdate` | `Boolean` | (optional) Specifies whether the pixels should be updated. | -| `pg` | `p5.Graphics` | (optional) The offscreen graphics buffer whose pixels should be manipulated.
*Note: When using an offscreen graphics buffer, use the usual syntax `pg.tinkerPixels(callback, shouldUpdate)`. Only in case `p5.Graphics.tinkerPixels` could not be registered, use the alternative syntax `p5grain.tinkerPixels(callback, shouldUpdate, pg)`.* | +| `shouldUpdate` | `Boolean` | (optional) Specifies whether the pixels should be updated. (default: `true`) | +| `pg\|img` | `p5.Graphics\|p5.Image` | (optional) The offscreen graphics buffer whose pixels should be manipulated.

*Note: When using an offscreen graphics buffer, use the usual syntax `pg.tinkerPixels(callback, shouldUpdate)`. Only in case `p5.Graphics.tinkerPixels` could not be registered, use the alternative syntax `p5grain.tinkerPixels(callback, shouldUpdate, pg)`.*

*Note: When using an image, use the usual syntax `img.tinkerPixels(callback, shouldUpdate)`. Only in case `p5.Image.tinkerPixels` could not be registered, use the alternative syntax `p5grain.tinkerPixels(callback, shouldUpdate, img)`.* | + +[Go to top ⬆](#top) + ### `loopPixels(callback, [pg])` @@ -320,14 +470,17 @@ Loop through pixels and call the given callback function for every pixel without In contrast to the `tinkerPixels` function, no pixel manipulations are performed with `loopPixels`. In other words `loopPixels` has the same effect as using `tinkerPixels` in [read-only mode](#read-only-mode). -The callback function exposes two arguments: -- `index`: the current pixel index -- `total`: the total indexes count +The callback function provides two arguments: +1. `index`: the current pixel index +2. `total`: the total indexes count -| Property | Type | Description | +| Parameter | Type | Description | | --- | --- | --- | | `callback` | `Function` | The callback function that should be called on every pixel. | -| `pg` | `p5.Graphics` | (optional) The offscreen graphics buffer whose pixels should be manipulated.
*Note: When using an offscreen graphics buffer, use the usual syntax `pg.loopPixels(callback)`. Only in case `p5.Graphics.loopPixels` could not be registered, use the alternative syntax `p5grain.loopPixels(callback, pg)`.* | +| `pg\|img` | `p5.Graphics\|p5.Image` | (optional) The offscreen graphics buffer whose pixels should be manipulated.

*Note: When using an offscreen graphics buffer, use the usual syntax `pg.loopPixels(callback)`. Only in case `p5.Graphics.loopPixels` could not be registered, use the alternative syntax `p5grain.loopPixels(callback, pg)`.*

*Note: When using an image, use the usual syntax `img.loopPixels(callback)`. Only in case `p5.Image.loopPixels` could not be registered, use the alternative syntax `p5grain.loopPixels(callback, img)`.* | + +[Go to top ⬆](#top) + ### `textureOverlay(textureImage, [config], [pg])` @@ -335,39 +488,68 @@ Blend the given texture image onto the canvas. The texture is repeated along the horizontal and vertical axes to cover the entire canvas (or context). -| Property | Type | Description | +| Parameter | Type | Description | | --- | --- | --- | | `texture` | `p5.Image` | The texture image to blend over. | | `config` | `Object` | (optional) Config object to configure the texture overlay. | -| `config.width` | `Number` | (optional) The width the texture image should have. When no width is specified, the width of the texture image is assumed. | -| `config.height` | `Number` | (optional) The height the texture image should have. When no height is specified, the height of the texture image is assumed. | -| `config.mode` | `Constant` | (optional) The blend mode that should be used to blend the texture over the canvas. Either `BLEND`, `DARKEST`, `LIGHTEST`, `DIFFERENCE`, `MULTIPLY`, `EXCLUSION`, `SCREEN`, `REPLACE`, `OVERLAY`, `HARD_LIGHT`, `SOFT_LIGHT`, `DODGE`, `BURN`, `ADD` or `NORMAL`. When no mode is specified, the blend mode `MULTIPLY` will be used. | -| `config.reflect` | `Boolean` | (optional) Specifies whether the given texture image should reflect horizontally and vertically, in order to provide seamless continuity. | -| `config.animate` | `Boolean\| Object` | (optional) Specifies whether the given texture image should be animated. | -| `config.animate.atFrame` | `Number` | (optional) When animation is activated, the frame at which the texture should be shifted. When `atFrame` isn't specified, the texture is shifted every 2nd frame. | -| `config.animate.amount` | `Number` | (optional) When animation is activated, the maximum amount of pixels by which the texture should be shifted. The actual amount of pixels which the texture is shifted by is generated randomly. When no amount is specified, the minimum of the main canvas `width` or `height` is used. | -| `pg` | `p5.Graphics` | (optional) The offscreen graphics buffer onto which the texture image should be drawn.
*Note: When using an offscreen graphics buffer, use the usual syntax `pg.textureOverlay(textureImage, config)`. Only in case `p5.Graphics.textureOverlay` could not be registered, use the alternative syntax `p5grain.textureOverlay(textureImage, config, pg)`.* | +| `config.width` | `Number` | (optional) The width the texture image should have. (default: `textureImage.width`) | +| `config.height` | `Number` | (optional) The height the texture image should have. (default: `textureImage.height`) | +| `config.mode` | `Constant` | (optional) The blend mode that should be used to blend the texture over the canvas. Either `BLEND`, `DARKEST`, `LIGHTEST`, `DIFFERENCE`, `MULTIPLY`, `EXCLUSION`, `SCREEN`, `REPLACE`, `OVERLAY`, `HARD_LIGHT`, `SOFT_LIGHT`, `DODGE`, `BURN`, `ADD` or `NORMAL`. (default: `MULTIPLY`) | +| `config.reflect` | `Boolean` | (optional) Specifies whether the given texture image should reflect horizontally and vertically, in order to provide seamless continuity. (default: `false`) | +| `config.animate` | `Boolean\| Object` | (optional) Specifies whether the given texture image should be animated. (default: `false`) | +| `config.animate.atFrame` | `Number` | (optional) When animation is activated, the frame at which the texture should be shifted. When `atFrame` isn't specified, the texture is shifted every 2nd frame. (default: `2`) | +| `config.animate.amount` | `Number` | (optional) When animation is activated, the maximum amount of pixels by which the texture should be shifted. The actual amount of pixels which the texture is shifted by is generated randomly. When no amount is specified, the minimum of the main canvas `width` or `height` is used. (default: `min(width, height)`) | +| `pg` | `p5.Graphics` | (optional) The offscreen graphics buffer onto which the texture image should be drawn.

*Note: When using an offscreen graphics buffer, use the usual syntax `pg.textureOverlay(textureImage, config)`. Only in case `p5.Graphics.textureOverlay` could not be registered, use the alternative syntax `p5grain.textureOverlay(textureImage, config, pg)`.* | + +[Go to top ⬆](#top) + ### `textureAnimate(textureElement, [config])` Animate the given texture element by randomly shifting its background position. -| Property | Type | Description | +| Parameter | Type | Description | | --- | --- | --- | | `textureElement` | `HTMLElement\| SVGElement\| p5.Element` | The texture element to be animated. | | `config` | `Object` | (optional) Config object to configure the texture animation. | -| `config.atFrame` | `Number` | (optional) The frame at which the texture should be shifted. When `atFrame` isn't specified, the texture is shifted every 2nd frame. | -| `config.amount` | `Number` | (optional) The maximum amount of pixels by which the texture should be shifted. The actual amount of pixels which the texture is shifted by is generated randomly. When no amount is specified, the minimum of the main canvas `width` or `height` is used. | +| `config.atFrame` | `Number` | (optional) The frame at which the texture should be shifted. When `atFrame` isn't specified, the texture is shifted every 2nd frame. (default: `2`) | +| `config.amount` | `Number` | (optional) The maximum amount of pixels by which the texture should be shifted. The actual amount of pixels which the texture is shifted by is generated randomly. When no amount is specified, the minimum of the main canvas `width` or `height` is used. (default: `min(width, height)`) | + +[Go to top ⬆](#top) + + + ## Limitations * Safari: SVG element technique only works for browser window resolutions with less than 220 pixels (e.g. 1024 x 1024 pixels). * Safari: SVG URL-encoded technique is currently unsupported. + + + +## Support + +If you need help or have questions about using p5.grain, you can find support through the following channels: + +1. **GitHub Discussions**: Join the conversation and ask questions in the [Q&A section](https://github.com/meezwhite/p5.grain/discussions/categories/q-a) +2. **Direct Message on X (Twitter)**: Feel free to DM [@meezwhite](https://x.com/meezwhite) + + + + ## Contributing Are you considering contributing to p5.grain? Check out our [contributing guidelines](./CONTRIBUTING.md). + + + ## License p5.grain is [MIT licensed](./LICENSE). + + +#### Spread the Word + +If you find p5.grain useful, we’d love for you to share it! Mentioning the library in your project description, tutorials, or social media posts helps others discover it and benefit from it. Thanks for spreading the word and showing your appreciation! 🙏 diff --git a/dist/p5.grain.min.js b/dist/p5.grain.min.js index 5f132fa..bdb8a1b 100644 --- a/dist/p5.grain.min.js +++ b/dist/p5.grain.min.js @@ -1,8 +1,8 @@ /**! * p5.grain * - * @version 0.7.0 + * @version 0.8.0 * @license MIT * @copyright meezwhite, Gorilla Sun */ -class P5Grain{version="0.7.0";instance;#t;#i;#n;constructor(){this.#t=Math.random,this.#i={frameCount:0},this.#n={frameCount:0,tX_anchor:0,tX:0,tY:0}}setup(t){void 0===t?this.#t=random:"object"==typeof t&&("function"==typeof t.random&&(this.#t=t.random),"object"==typeof t.instance&&(this.instance=t.instance))}granulateSimple(t,i,n){this.applyMonochromaticGrain(t,i,n)}applyMonochromaticGrain(t,i,n){const e=this.instance?this.instance.round(t):round(t),a=i||!1;n?n.loadPixels():this.instance?this.instance.loadPixels():loadPixels();const s=n?n.pixelDensity():this.instance?this.instance.pixelDensity():pixelDensity(),r=(n?n.width:this.instance?this.instance.width:width)*s*4*((n?n.height:this.instance?this.instance.height:height)*s),h=n?n.pixels:this.instance?this.instance.pixels:pixels;for(let t=0;t=n){const n=i&&i.amount?this.instance?this.instance.round(i.amount):round(i.amount):this.instance?this.instance.min(this.instance.width,this.instance.height):min(width,height),e=this.#t()*n,a=this.#t()*n,s=this.instance?this.instance.floor(e):floor(e),r=this.instance?this.instance.floor(a):floor(a),h=`${s}px ${r}px`;t instanceof HTMLElement?t.style.backgroundPosition=h:t instanceof SVGElement?(t.style.top=-r+"px",t.style.left=-s+"px"):t instanceof p5.Element&&t.style("background-position",h),this.#i.frameCount=0}}textureOverlay(t,i,n){const e=n instanceof p5.Graphics,a=e?n.width:this.instance?this.instance.width:width,s=e?n.height:this.instance?this.instance.height:height,r=i&&i.mode?i.mode:this.instance?this.instance.MULTIPLY:MULTIPLY,h=!(!i||!i.reflect)&&i.reflect,o=!(!i||!i.animate)&&i.animate,c=i&&i.animate&&i.animate.atFrame?this.instance?this.instance.round(i.animate.atFrame):round(i.animate.atFrame):2,l=i&&i.animate&&i.animate.amount?this.instance?this.instance.round(i.animate.amount):round(i.animate.amount):this.instance?this.instance.min(a,s):min(a,s),p=i&&"number"==typeof i.width?i.width:t.width,u=i&&"number"==typeof i.height?i.height:t.height;if(o&&(this.#n.frameCount+=1,this.#n.frameCount>=c)){const t=this.#t()*l,i=this.#t()*l;this.#n.tX_anchor=this.instance?-this.instance.floor(t):-floor(t),this.#n.tY=this.instance?-this.instance.floor(i):-floor(i),this.#n.frameCount=0}let m=this.#n.tX_anchor,d=this.#n.tY,x=!0,g=!0;for(n?n.blendMode(r):this.instance?this.instance.blendMode(r):blendMode(r);d=a){g=!0,m=this.#n.tX_anchor,d+=u;break}g=!g}x=!x}n?n.blendMode(this.instance?this.instance.BLEND:BLEND):this.instance?this.instance.blendMode(this.instance.BLEND):blendMode(BLEND),e&&n.reset()}#e(t,i){return t=Math.ceil(t),i=Math.floor(i),Math.floor(this.#t()*(i-t+1)+t)}}const p5grain=new P5Grain;p5.prototype.granulateSimple=function(t,i){return p5grain.granulateSimple(t,i)},p5.Graphics.prototype.granulateSimple=function(t,i){return p5grain.granulateSimple(t,i,this)},p5.prototype.granulateChannels=function(t,i){return p5grain.granulateChannels(t,i)},p5.Graphics.prototype.granulateChannels=function(t,i){return p5grain.granulateChannels(t,i,this)},p5.prototype.applyMonochromaticGrain=function(t,i){return p5grain.applyMonochromaticGrain(t,i)},p5.Graphics.prototype.applyMonochromaticGrain=function(t,i){return p5grain.applyMonochromaticGrain(t,i,this)},p5.prototype.applyChromaticGrain=function(t,i){return p5grain.applyChromaticGrain(t,i)},p5.Graphics.prototype.applyChromaticGrain=function(t,i){return p5grain.applyChromaticGrain(t,i,this)},p5.prototype.tinkerPixels=function(t,i){return p5grain.tinkerPixels(t,i)},p5.Graphics.prototype.tinkerPixels=function(t,i){return p5grain.tinkerPixels(t,i,this)},p5.prototype.loopPixels=function(t,i){return p5grain.loopPixels(t,i)},p5.Graphics.prototype.loopPixels=function(t,i){return p5grain.loopPixels(t,i,this)},p5.prototype.textureAnimate=function(t,i){return p5grain.textureAnimate(t,i)},p5.prototype.textureOverlay=function(t,i){return p5grain.textureOverlay(t,i)},p5.Graphics.prototype.textureOverlay=function(t,i){return p5grain.textureOverlay(t,i,this)}; +class P5Grain{version="0.8.0";instance;#t;#i;#e;#n;#a;constructor(){this.#s("float"),this.#n={frameCount:0},this.#a={frameCount:0,tX_anchor:0,tX:0,tY:0}}setup(t){"object"==typeof t&&("function"==typeof t.random&&(this.#t=t.random),"string"==typeof t.randomMode&&this.#s(t.randomMode),"object"==typeof t.instance&&(this.instance=t.instance)),void 0===this.#t&&(this.#t=p5.prototype.random)}applyMonochromaticGrain(t,i,e){const n=i||!1;let a,s,r,o;e?(e.loadPixels(),a=e.pixelDensity(),s=e.width,r=e.height,o=e.pixels):this.instance?(this.instance.loadPixels(),a=this.instance.pixelDensity(),s=this.instance.width,r=this.instance.height,o=this.instance.pixels):(loadPixels(),a=pixelDensity(),s=width,r=height,o=pixels);const h=s*a*4*(r*a),{min:p,max:c}=this.#r(-t,t);for(let t=0;t=e){const e=i&&i.amount?Math.round(i.amount):this.instance?Math.min(this.instance.width,this.instance.height):Math.min(width,height),n=this.#t()*e,a=this.#t()*e,s=Math.floor(n),r=Math.floor(a),o=`${s}px ${r}px`;t instanceof HTMLElement?t.style.backgroundPosition=o:t instanceof SVGElement?(t.style.top=-r+"px",t.style.left=-s+"px"):t instanceof p5.Element&&t.style("background-position",o),this.#n.frameCount=0}}textureOverlay(t,i,e){const n=e instanceof p5.Graphics;let a,s;n?(a=e.width,s=e.height):this.instance?(a=this.instance.width,s=this.instance.height):(a=width,s=height);const r=i&&i.mode?i.mode:this.instance?this.instance.MULTIPLY:MULTIPLY,o=!(!i||!i.reflect)&&i.reflect,h=!(!i||!i.animate)&&i.animate,p=i&&i.animate&&i.animate.atFrame?Math.round(i.animate.atFrame):2,c=i&&i.animate&&i.animate.amount?Math.round(i.animate.amount):Math.min(a,s),l=i&&"number"==typeof i.width?i.width:t.width,m=i&&"number"==typeof i.height?i.height:t.height;if(h&&(this.#a.frameCount+=1,this.#a.frameCount>=p)){const t=this.#t()*c,i=this.#t()*c;this.#a.tX_anchor=-Math.floor(t),this.#a.tY=-Math.floor(i),this.#a.frameCount=0}let d=this.#a.tX_anchor,u=this.#a.tY,x=!0,y=!0;for(e?e.blendMode(r):this.instance?this.instance.blendMode(r):blendMode(r);u=a){y=!0,d=this.#a.tX_anchor,u+=m;break}y=!y}x=!x}e?e.blendMode(this.instance?this.instance.BLEND:BLEND):this.instance?this.instance.blendMode(this.instance.BLEND):blendMode(BLEND),n&&e.reset()}#s(t){switch(t){case"int":this.#e=1,this.#i=this.#o;break;case"float":this.#e=0,this.#i=this.#h}}#r(t,i){return 1==this.#e?{min:Math.ceil(t),max:Math.floor(i)}:{min:t,max:i}}#o(t,i){return Math.floor(this.#t()*(i-t+1)+t)}#h(t,i){return this.#t()*(i-t)+t}}const p5grain=new P5Grain;p5.prototype.applyMonochromaticGrain=function(t,i){return p5grain.applyMonochromaticGrain(t,i)},p5.Graphics.prototype.applyMonochromaticGrain=function(t,i){return p5grain.applyMonochromaticGrain(t,i,this)},p5.Image.prototype.applyMonochromaticGrain=function(t,i){return p5grain.applyMonochromaticGrain(t,i,this)},p5.prototype.applyChromaticGrain=function(t,i){return p5grain.applyChromaticGrain(t,i)},p5.Graphics.prototype.applyChromaticGrain=function(t,i){return p5grain.applyChromaticGrain(t,i,this)},p5.Image.prototype.applyChromaticGrain=function(t,i){return p5grain.applyChromaticGrain(t,i,this)},p5.prototype.tinkerPixels=function(t,i){return p5grain.tinkerPixels(t,i)},p5.Graphics.prototype.tinkerPixels=function(t,i){return p5grain.tinkerPixels(t,i,this)},p5.Image.prototype.tinkerPixels=function(t,i){return p5grain.tinkerPixels(t,i,this)},p5.prototype.loopPixels=function(t,i){return p5grain.loopPixels(t,i)},p5.Graphics.prototype.loopPixels=function(t,i){return p5grain.loopPixels(t,i,this)},p5.Image.prototype.loopPixels=function(t,i){return p5grain.loopPixels(t,i,this)},p5.prototype.textureAnimate=function(t,i){return p5grain.textureAnimate(t,i)},p5.prototype.textureOverlay=function(t,i){return p5grain.textureOverlay(t,i)},p5.Graphics.prototype.textureOverlay=function(t,i){return p5grain.textureOverlay(t,i,this)}; diff --git a/examples/instance-mode/01-monochromatic-grain/lib/p5.grain.min.js b/examples/instance-mode/01-monochromatic-grain/lib/p5.grain.min.js index 5f132fa..bdb8a1b 100644 --- a/examples/instance-mode/01-monochromatic-grain/lib/p5.grain.min.js +++ b/examples/instance-mode/01-monochromatic-grain/lib/p5.grain.min.js @@ -1,8 +1,8 @@ /**! * p5.grain * - * @version 0.7.0 + * @version 0.8.0 * @license MIT * @copyright meezwhite, Gorilla Sun */ -class P5Grain{version="0.7.0";instance;#t;#i;#n;constructor(){this.#t=Math.random,this.#i={frameCount:0},this.#n={frameCount:0,tX_anchor:0,tX:0,tY:0}}setup(t){void 0===t?this.#t=random:"object"==typeof t&&("function"==typeof t.random&&(this.#t=t.random),"object"==typeof t.instance&&(this.instance=t.instance))}granulateSimple(t,i,n){this.applyMonochromaticGrain(t,i,n)}applyMonochromaticGrain(t,i,n){const e=this.instance?this.instance.round(t):round(t),a=i||!1;n?n.loadPixels():this.instance?this.instance.loadPixels():loadPixels();const s=n?n.pixelDensity():this.instance?this.instance.pixelDensity():pixelDensity(),r=(n?n.width:this.instance?this.instance.width:width)*s*4*((n?n.height:this.instance?this.instance.height:height)*s),h=n?n.pixels:this.instance?this.instance.pixels:pixels;for(let t=0;t=n){const n=i&&i.amount?this.instance?this.instance.round(i.amount):round(i.amount):this.instance?this.instance.min(this.instance.width,this.instance.height):min(width,height),e=this.#t()*n,a=this.#t()*n,s=this.instance?this.instance.floor(e):floor(e),r=this.instance?this.instance.floor(a):floor(a),h=`${s}px ${r}px`;t instanceof HTMLElement?t.style.backgroundPosition=h:t instanceof SVGElement?(t.style.top=-r+"px",t.style.left=-s+"px"):t instanceof p5.Element&&t.style("background-position",h),this.#i.frameCount=0}}textureOverlay(t,i,n){const e=n instanceof p5.Graphics,a=e?n.width:this.instance?this.instance.width:width,s=e?n.height:this.instance?this.instance.height:height,r=i&&i.mode?i.mode:this.instance?this.instance.MULTIPLY:MULTIPLY,h=!(!i||!i.reflect)&&i.reflect,o=!(!i||!i.animate)&&i.animate,c=i&&i.animate&&i.animate.atFrame?this.instance?this.instance.round(i.animate.atFrame):round(i.animate.atFrame):2,l=i&&i.animate&&i.animate.amount?this.instance?this.instance.round(i.animate.amount):round(i.animate.amount):this.instance?this.instance.min(a,s):min(a,s),p=i&&"number"==typeof i.width?i.width:t.width,u=i&&"number"==typeof i.height?i.height:t.height;if(o&&(this.#n.frameCount+=1,this.#n.frameCount>=c)){const t=this.#t()*l,i=this.#t()*l;this.#n.tX_anchor=this.instance?-this.instance.floor(t):-floor(t),this.#n.tY=this.instance?-this.instance.floor(i):-floor(i),this.#n.frameCount=0}let m=this.#n.tX_anchor,d=this.#n.tY,x=!0,g=!0;for(n?n.blendMode(r):this.instance?this.instance.blendMode(r):blendMode(r);d=a){g=!0,m=this.#n.tX_anchor,d+=u;break}g=!g}x=!x}n?n.blendMode(this.instance?this.instance.BLEND:BLEND):this.instance?this.instance.blendMode(this.instance.BLEND):blendMode(BLEND),e&&n.reset()}#e(t,i){return t=Math.ceil(t),i=Math.floor(i),Math.floor(this.#t()*(i-t+1)+t)}}const p5grain=new P5Grain;p5.prototype.granulateSimple=function(t,i){return p5grain.granulateSimple(t,i)},p5.Graphics.prototype.granulateSimple=function(t,i){return p5grain.granulateSimple(t,i,this)},p5.prototype.granulateChannels=function(t,i){return p5grain.granulateChannels(t,i)},p5.Graphics.prototype.granulateChannels=function(t,i){return p5grain.granulateChannels(t,i,this)},p5.prototype.applyMonochromaticGrain=function(t,i){return p5grain.applyMonochromaticGrain(t,i)},p5.Graphics.prototype.applyMonochromaticGrain=function(t,i){return p5grain.applyMonochromaticGrain(t,i,this)},p5.prototype.applyChromaticGrain=function(t,i){return p5grain.applyChromaticGrain(t,i)},p5.Graphics.prototype.applyChromaticGrain=function(t,i){return p5grain.applyChromaticGrain(t,i,this)},p5.prototype.tinkerPixels=function(t,i){return p5grain.tinkerPixels(t,i)},p5.Graphics.prototype.tinkerPixels=function(t,i){return p5grain.tinkerPixels(t,i,this)},p5.prototype.loopPixels=function(t,i){return p5grain.loopPixels(t,i)},p5.Graphics.prototype.loopPixels=function(t,i){return p5grain.loopPixels(t,i,this)},p5.prototype.textureAnimate=function(t,i){return p5grain.textureAnimate(t,i)},p5.prototype.textureOverlay=function(t,i){return p5grain.textureOverlay(t,i)},p5.Graphics.prototype.textureOverlay=function(t,i){return p5grain.textureOverlay(t,i,this)}; +class P5Grain{version="0.8.0";instance;#t;#i;#e;#n;#a;constructor(){this.#s("float"),this.#n={frameCount:0},this.#a={frameCount:0,tX_anchor:0,tX:0,tY:0}}setup(t){"object"==typeof t&&("function"==typeof t.random&&(this.#t=t.random),"string"==typeof t.randomMode&&this.#s(t.randomMode),"object"==typeof t.instance&&(this.instance=t.instance)),void 0===this.#t&&(this.#t=p5.prototype.random)}applyMonochromaticGrain(t,i,e){const n=i||!1;let a,s,r,o;e?(e.loadPixels(),a=e.pixelDensity(),s=e.width,r=e.height,o=e.pixels):this.instance?(this.instance.loadPixels(),a=this.instance.pixelDensity(),s=this.instance.width,r=this.instance.height,o=this.instance.pixels):(loadPixels(),a=pixelDensity(),s=width,r=height,o=pixels);const h=s*a*4*(r*a),{min:p,max:c}=this.#r(-t,t);for(let t=0;t=e){const e=i&&i.amount?Math.round(i.amount):this.instance?Math.min(this.instance.width,this.instance.height):Math.min(width,height),n=this.#t()*e,a=this.#t()*e,s=Math.floor(n),r=Math.floor(a),o=`${s}px ${r}px`;t instanceof HTMLElement?t.style.backgroundPosition=o:t instanceof SVGElement?(t.style.top=-r+"px",t.style.left=-s+"px"):t instanceof p5.Element&&t.style("background-position",o),this.#n.frameCount=0}}textureOverlay(t,i,e){const n=e instanceof p5.Graphics;let a,s;n?(a=e.width,s=e.height):this.instance?(a=this.instance.width,s=this.instance.height):(a=width,s=height);const r=i&&i.mode?i.mode:this.instance?this.instance.MULTIPLY:MULTIPLY,o=!(!i||!i.reflect)&&i.reflect,h=!(!i||!i.animate)&&i.animate,p=i&&i.animate&&i.animate.atFrame?Math.round(i.animate.atFrame):2,c=i&&i.animate&&i.animate.amount?Math.round(i.animate.amount):Math.min(a,s),l=i&&"number"==typeof i.width?i.width:t.width,m=i&&"number"==typeof i.height?i.height:t.height;if(h&&(this.#a.frameCount+=1,this.#a.frameCount>=p)){const t=this.#t()*c,i=this.#t()*c;this.#a.tX_anchor=-Math.floor(t),this.#a.tY=-Math.floor(i),this.#a.frameCount=0}let d=this.#a.tX_anchor,u=this.#a.tY,x=!0,y=!0;for(e?e.blendMode(r):this.instance?this.instance.blendMode(r):blendMode(r);u=a){y=!0,d=this.#a.tX_anchor,u+=m;break}y=!y}x=!x}e?e.blendMode(this.instance?this.instance.BLEND:BLEND):this.instance?this.instance.blendMode(this.instance.BLEND):blendMode(BLEND),n&&e.reset()}#s(t){switch(t){case"int":this.#e=1,this.#i=this.#o;break;case"float":this.#e=0,this.#i=this.#h}}#r(t,i){return 1==this.#e?{min:Math.ceil(t),max:Math.floor(i)}:{min:t,max:i}}#o(t,i){return Math.floor(this.#t()*(i-t+1)+t)}#h(t,i){return this.#t()*(i-t)+t}}const p5grain=new P5Grain;p5.prototype.applyMonochromaticGrain=function(t,i){return p5grain.applyMonochromaticGrain(t,i)},p5.Graphics.prototype.applyMonochromaticGrain=function(t,i){return p5grain.applyMonochromaticGrain(t,i,this)},p5.Image.prototype.applyMonochromaticGrain=function(t,i){return p5grain.applyMonochromaticGrain(t,i,this)},p5.prototype.applyChromaticGrain=function(t,i){return p5grain.applyChromaticGrain(t,i)},p5.Graphics.prototype.applyChromaticGrain=function(t,i){return p5grain.applyChromaticGrain(t,i,this)},p5.Image.prototype.applyChromaticGrain=function(t,i){return p5grain.applyChromaticGrain(t,i,this)},p5.prototype.tinkerPixels=function(t,i){return p5grain.tinkerPixels(t,i)},p5.Graphics.prototype.tinkerPixels=function(t,i){return p5grain.tinkerPixels(t,i,this)},p5.Image.prototype.tinkerPixels=function(t,i){return p5grain.tinkerPixels(t,i,this)},p5.prototype.loopPixels=function(t,i){return p5grain.loopPixels(t,i)},p5.Graphics.prototype.loopPixels=function(t,i){return p5grain.loopPixels(t,i,this)},p5.Image.prototype.loopPixels=function(t,i){return p5grain.loopPixels(t,i,this)},p5.prototype.textureAnimate=function(t,i){return p5grain.textureAnimate(t,i)},p5.prototype.textureOverlay=function(t,i){return p5grain.textureOverlay(t,i)},p5.Graphics.prototype.textureOverlay=function(t,i){return p5grain.textureOverlay(t,i,this)}; 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r=t.stack,o=r.pop(),n=t.fv,s=t.pv,i=t.ppem,a=t.deltaBase+16*(e-1),l=t.deltaShift,u=t.z0;j.DEBUG&&console.log(t.step,"DELTAP["+e+"]",o,r);for(var c=0;c>4)===i&&(0<=(h=(15&h)-8)&&h++,j.DEBUG&&console.log(t.step,"DELTAPFIX",d,"by",h*l),d=u[d],n.setRelative(d,d,h*l,s))}}function fr(e,t){var r=t.stack,o=r.pop();j.DEBUG&&console.log(t.step,"ROUND[]"),r.push(64*t.round(o/64))}function pr(e,t){var r=t.stack,o=r.pop(),n=t.ppem,s=t.deltaBase+16*(e-1),i=t.deltaShift;j.DEBUG&&console.log(t.step,"DELTAC["+e+"]",o,r);for(var a=0;a>4)===n&&(0<=(u=(15&u)-8)&&u++,u=u*i,j.DEBUG&&console.log(t.step,"DELTACFIX",l,"by",u),t.cvt[l]+=u)}}function mr(e,t){var r,o=t.stack,n=o.pop(),o=o.pop(),s=t.z2[n],i=t.z1[o];j.DEBUG&&console.log(t.step,"SDPVTL["+e+"]",n,o),n=e?(r=s.y-i.y,i.x-s.x):(r=i.x-s.x,i.y-s.y),t.dpv=qt(r,n)}function k(e,t){var r=t.stack,o=t.prog,n=t.ip;j.DEBUG&&console.log(t.step,"PUSHB["+e+"]");for(var s=0;s":"_")+(o?"R":"_")+(0===n?"Gr":1===n?"Bl":2===n?"Wh":"")+"]",e?u+"("+s.cvt[u]+","+a+")":"",l,"(d =",i,"->",y*m,")"),s.rp1=s.rp0,s.rp2=l,t&&(s.rp0=l)}Ft.prototype.exec=function(e,t){if("number"!=typeof t)throw new Error("Point size is not a number!");if(!(2",o),a.interpolate(d,s,i,l),a.touch(d)}e.loop=1},lr.bind(void 0,0),lr.bind(void 0,1),function(e){for(var t=e.stack,r=e.rp0,o=e.z0[r],n=e.loop,s=e.fv,i=e.pv,a=e.z1;n--;){var l=t.pop(),u=a[l];j.DEBUG&&console.log(e.step,(1'.concat(n,"").concat(t,""),this.dummyDOM||(this.dummyDOM=document.getElementById(o).parentNode),this.descriptions?this.descriptions.fallbackElements||(this.descriptions.fallbackElements={}):this.descriptions={fallbackElements:{}},this.descriptions.fallbackElements[e]?this.descriptions.fallbackElements[e].innerHTML!==n&&(this.descriptions.fallbackElements[e].innerHTML=n):this._describeElementHTML("fallback",e,n),r===this.LABEL&&(this.descriptions.labelElements||(this.descriptions.labelElements={}),this.descriptions.labelElements[e]?this.descriptions.labelElements[e].innerHTML!==n&&(this.descriptions.labelElements[e].innerHTML=n):this._describeElementHTML("label",e,n)))},s.default.prototype._describeHTML=function(e,t){var r,o=this.canvas.id;"fallback"===e?(this.dummyDOM.querySelector("#".concat(o+i))?this.dummyDOM.querySelector("#"+o+l).insertAdjacentHTML("beforebegin",'

')):(r='

'),this.dummyDOM.querySelector("#".concat(o,"accessibleOutput"))?this.dummyDOM.querySelector("#".concat(o,"accessibleOutput")).insertAdjacentHTML("beforebegin",r):this.dummyDOM.querySelector("#".concat(o)).innerHTML=r),this.descriptions.fallback=this.dummyDOM.querySelector("#".concat(o).concat(a)),this.descriptions.fallback.innerHTML=t):"label"===e&&(this.dummyDOM.querySelector("#".concat(o+u))?this.dummyDOM.querySelector("#".concat(o+d))&&this.dummyDOM.querySelector("#".concat(o+d)).insertAdjacentHTML("beforebegin",'

')):(r='

'),this.dummyDOM.querySelector("#".concat(o,"accessibleOutputLabel"))?this.dummyDOM.querySelector("#".concat(o,"accessibleOutputLabel")).insertAdjacentHTML("beforebegin",r):this.dummyDOM.querySelector("#"+o).insertAdjacentHTML("afterend",r)),this.descriptions.label=this.dummyDOM.querySelector("#"+o+c),this.descriptions.label.innerHTML=t)},s.default.prototype._describeElementHTML=function(e,t,r){var o,n=this.canvas.id;"fallback"===e?(this.dummyDOM.querySelector("#".concat(n+i))?this.dummyDOM.querySelector("#"+n+l)||this.dummyDOM.querySelector("#"+n+a).insertAdjacentHTML("afterend",'
Canvas elements and their descriptions
')):(o='
Canvas elements and their descriptions
'),this.dummyDOM.querySelector("#".concat(n,"accessibleOutput"))?this.dummyDOM.querySelector("#".concat(n,"accessibleOutput")).insertAdjacentHTML("beforebegin",o):this.dummyDOM.querySelector("#"+n).innerHTML=o),(o=document.createElement("tr")).id=n+"_fte_"+t,this.dummyDOM.querySelector("#"+n+l).appendChild(o),this.descriptions.fallbackElements[t]=this.dummyDOM.querySelector("#".concat(n).concat("_fte_").concat(t)),this.descriptions.fallbackElements[t].innerHTML=r):"label"===e&&(this.dummyDOM.querySelector("#".concat(n+u))?this.dummyDOM.querySelector("#".concat(n+d))||this.dummyDOM.querySelector("#"+n+c).insertAdjacentHTML("afterend",'
')):(o='
'),this.dummyDOM.querySelector("#".concat(n,"accessibleOutputLabel"))?this.dummyDOM.querySelector("#".concat(n,"accessibleOutputLabel")).insertAdjacentHTML("beforebegin",o):this.dummyDOM.querySelector("#"+n).insertAdjacentHTML("afterend",o)),(e=document.createElement("tr")).id=n+"_lte_"+t,this.dummyDOM.querySelector("#"+n+d).appendChild(e),this.descriptions.labelElements[t]=this.dummyDOM.querySelector("#".concat(n).concat("_lte_").concat(t)),this.descriptions.labelElements[t].innerHTML=r)};e=s.default;r.default=e},{"../core/main":275,"core-js/modules/es.array.concat":151,"core-js/modules/es.regexp.exec":187,"core-js/modules/es.string.ends-with":190,"core-js/modules/es.string.replace":196}],256:[function(e,t,r){"use strict";e("core-js/modules/es.array.concat"),e("core-js/modules/es.array.from"),e("core-js/modules/es.array.map"),e("core-js/modules/es.string.iterator"),e("core-js/modules/es.array.concat"),e("core-js/modules/es.array.from"),e("core-js/modules/es.array.map"),e("core-js/modules/es.string.iterator"),Object.defineProperty(r,"__esModule",{value:!0}),r.default=void 0;e=(e=e("../core/main"))&&e.__esModule?e:{default:e};e.default.prototype._updateGridOutput=function(e){var t,r,o,n;this.dummyDOM.querySelector("#".concat(e,"_summary"))&&(t=this._accessibleOutputs[e],o=function(e,t,r,o){t="".concat(t," canvas, ").concat(r," by ").concat(o," pixels, contains ").concat(e[0]);t=(1===e[0]?"".concat(t," shape: "):"".concat(t," shapes: ")).concat(e[1]);return t}((r=function(e,t){var r,o="",n="",s=0;for(r in t){var i,a=0;for(i in t[r]){var l='
  • ').concat(t[r][i].color," ").concat(r,",");"line"===r?l+=" location = ".concat(t[r][i].pos,", length = ").concat(t[r][i].length," pixels"):(l+=" location = ".concat(t[r][i].pos),"point"!==r&&(l+=", area = ".concat(t[r][i].area," %")),l+="
    • "),o+=l,a++,s++}n=1').concat(t[r][a].color," ").concat(r,"    "):'').concat(t[r][a].color," ").concat(r," midpoint"),i[t[r][a].loc.locY][t[r][a].loc.locX]?i[t[r][a].loc.locY][t[r][a].loc.locX]=i[t[r][a].loc.locY][t[r][a].loc.locX]+" "+l:i[t[r][a].loc.locY][t[r][a].loc.locX]=l,n++}for(o in i){var u,c="";for(u in i[o])c+="",void 0!==i[o][u]&&(c+=i[o][u]),c+="";s=s+c+""}return s}(e,this.ingredients.shapes),o!==t.summary.innerHTML&&(t.summary.innerHTML=o),n!==t.map.innerHTML&&(t.map.innerHTML=n),r.details!==t.shapeDetails.innerHTML&&(t.shapeDetails.innerHTML=r.details),this._accessibleOutputs[e]=t)};e=e.default;r.default=e},{"../core/main":275,"core-js/modules/es.array.concat":151,"core-js/modules/es.array.from":158,"core-js/modules/es.array.map":164,"core-js/modules/es.string.iterator":192}],257:[function(e,t,r){"use strict";e("core-js/modules/es.symbol"),e("core-js/modules/es.symbol.description"),e("core-js/modules/es.symbol.iterator"),e("core-js/modules/es.array.concat"),e("core-js/modules/es.array.fill"),e("core-js/modules/es.array.from"),e("core-js/modules/es.array.iterator"),e("core-js/modules/es.array.map"),e("core-js/modules/es.number.to-fixed"),e("core-js/modules/es.object.to-string"),e("core-js/modules/es.regexp.to-string"),e("core-js/modules/es.string.iterator"),e("core-js/modules/web.dom-collections.iterator"),e("core-js/modules/es.array.concat"),e("core-js/modules/es.array.fill"),e("core-js/modules/es.array.map"),e("core-js/modules/es.number.to-fixed"),Object.defineProperty(r,"__esModule",{value:!0}),r.default=void 0;var o=(e=e("../core/main"))&&e.__esModule?e:{default:e};function l(e){return function(e){if(Array.isArray(e)){for(var t=0,r=new Array(e.length);t')):this.dummyDOM.querySelector("#".concat(s)).innerHTML='
    '))):"Label"===t&&(r=s+e+(i=t),this.dummyDOM.querySelector("#".concat(o=s+"accessibleOutput"+t))||(this.dummyDOM.querySelector("#".concat(s,"_Label"))?this.dummyDOM.querySelector("#".concat(s,"_Label")):this.dummyDOM.querySelector("#".concat(s))).insertAdjacentHTML("afterend",'
    '))),this._accessibleOutputs[r]={},"textOutput"===e?(i="#".concat(s,"gridOutput").concat(i),n='
    Text Output

      '),this.dummyDOM.querySelector(i)?this.dummyDOM.querySelector(i).insertAdjacentHTML("beforebegin",n):this.dummyDOM.querySelector("#".concat(o)).innerHTML=n,this._accessibleOutputs[r].list=this.dummyDOM.querySelector("#".concat(r,"_list"))):"gridOutput"===e&&(i="#".concat(s,"textOutput").concat(i),n='
      Grid Output

        '),this.dummyDOM.querySelector(i)?this.dummyDOM.querySelector(i).insertAdjacentHTML("afterend",n):this.dummyDOM.querySelector("#".concat(o)).innerHTML=n,this._accessibleOutputs[r].map=this.dummyDOM.querySelector("#".concat(r,"_map"))),this._accessibleOutputs[r].shapeDetails=this.dummyDOM.querySelector("#".concat(r,"_shapeDetails")),this._accessibleOutputs[r].summary=this.dummyDOM.querySelector("#".concat(r,"_summary"))},o.default.prototype._updateAccsOutput=function(){var e=this.canvas.id;JSON.stringify(this.ingredients.shapes)!==this.ingredients.pShapes&&(this.ingredients.pShapes=JSON.stringify(this.ingredients.shapes),this._accessibleOutputs.text&&this._updateTextOutput(e+"textOutput"),this._accessibleOutputs.grid&&this._updateGridOutput(e+"gridOutput"),this._accessibleOutputs.textLabel&&this._updateTextOutput(e+"textOutputLabel"),this._accessibleOutputs.gridLabel&&this._updateGridOutput(e+"gridOutputLabel"))},o.default.prototype._accsBackground=function(e){this.ingredients.pShapes=JSON.stringify(this.ingredients.shapes),this.ingredients.shapes={},this.ingredients.colors.backgroundRGBA!==e&&(this.ingredients.colors.backgroundRGBA=e,this.ingredients.colors.background=this._rgbColorName(e))},o.default.prototype._accsCanvasColors=function(e,t){"fill"===e?this.ingredients.colors.fillRGBA!==t&&(this.ingredients.colors.fillRGBA=t,this.ingredients.colors.fill=this._rgbColorName(t)):"stroke"===e&&this.ingredients.colors.strokeRGBA!==t&&(this.ingredients.colors.strokeRGBA=t,this.ingredients.colors.stroke=this._rgbColorName(t))},o.default.prototype._accsOutput=function(e,t){"ellipse"===e&&t[2]===t[3]?e="circle":"rectangle"===e&&t[2]===t[3]&&(e="square");var r,o,n={},s=!0,i=function(e,t){var r;e="rectangle"===e||"ellipse"===e||"arc"===e||"circle"===e||"square"===e?(r=Math.round(t[0]+t[2]/2),Math.round(t[1]+t[3]/2)):"triangle"===e?(r=(t[0]+t[2]+t[4])/3,(t[1]+t[3]+t[5])/3):"quadrilateral"===e?(r=(t[0]+t[2]+t[4]+t[6])/4,(t[1]+t[3]+t[5]+t[7])/4):"line"===e?(r=(t[0]+t[2])/2,(t[1]+t[3])/2):(r=t[0],t[1]);return[r,e]}(e,t);if("line"===e?(n.color=this.ingredients.colors.stroke,n.length=Math.round(this.dist(t[0],t[1],t[2],t[3])),r=this._getPos(t[0],[1]),o=this._getPos(t[2],[3]),n.loc=u(i,this.width,this.height),n.pos=r===o?"at ".concat(r):"from ".concat(r," to ").concat(o)):("point"===e?n.color=this.ingredients.colors.stroke:(n.color=this.ingredients.colors.fill,n.area=this._getArea(e,t)),n.pos=this._getPos.apply(this,l(i)),n.loc=u(i,this.width,this.height)),this.ingredients.shapes[e]){if(this.ingredients.shapes[e]!==[n]){for(var a in this.ingredients.shapes[e])JSON.stringify(this.ingredients.shapes[e][a])===JSON.stringify(n)&&(s=!1);!0===s&&this.ingredients.shapes[e].push(n)}}else this.ingredients.shapes[e]=[n]},o.default.prototype._getPos=function(e,t){var e=new DOMPointReadOnly(e,t),t=this._renderer.isP3D?new DOMMatrix(this._renderer.uMVMatrix.mat4):this.drawingContext.getTransform(),e=e.matrixTransform(t),t=e.x,e=e.y,r=this.width,o=this.height;return t<.4*r?e<.4*o?"top left":.6*oMath.PI?n+=o:n-=o)):"ellipse"===e||"circle"===e?n=3.14*t[2]/2*t[3]/2:"line"===e||"point"===e?n=0:"quadrilateral"===e?n=Math.abs((t[6]+t[0])*(t[7]-t[1])+(t[0]+t[2])*(t[1]-t[3])+(t[2]+t[4])*(t[3]-t[5])+(t[4]+t[6])*(t[5]-t[7]))/2:"rectangle"===e||"square"===e?n=t[2]*t[3]:"triangle"===e&&(n=Math.abs(t[0]*(t[3]-t[5])+t[2]*(t[5]-t[1])+t[4]*(t[1]-t[3]))/2),this.width*this._pixelDensity),i=this.height*this._pixelDensity,a=[new DOMPoint(0,0),new DOMPoint(s,0),new DOMPoint(s,i),new DOMPoint(0,i)],l=(this._renderer.isP3D?new DOMMatrix(this._renderer.uMVMatrix.mat4):this.drawingContext.getTransform()).inverse(),u=a.map(function(e){return e.matrixTransform(l)}),c=Math.abs((u[3].x+u[0].x)*(u[3].y-u[0].y)+(u[0].x+u[1].x)*(u[0].y-u[1].y)+(u[1].x+u[2].x)*(u[1].y-u[2].y)+(u[2].x+u[3].x)*(u[2].y-u[3].y))/2;return Math.round(100*n/c)};e=o.default;r.default=e},{"../core/main":275,"core-js/modules/es.array.concat":151,"core-js/modules/es.array.fill":154,"core-js/modules/es.array.from":158,"core-js/modules/es.array.iterator":161,"core-js/modules/es.array.map":164,"core-js/modules/es.number.to-fixed":175,"core-js/modules/es.object.to-string":182,"core-js/modules/es.regexp.to-string":188,"core-js/modules/es.string.iterator":192,"core-js/modules/es.symbol":204,"core-js/modules/es.symbol.description":202,"core-js/modules/es.symbol.iterator":203,"core-js/modules/web.dom-collections.iterator":238}],258:[function(e,t,r){"use strict";e("core-js/modules/es.array.concat"),e("core-js/modules/es.array.concat"),Object.defineProperty(r,"__esModule",{value:!0}),r.default=void 0;e=(e=e("../core/main"))&&e.__esModule?e:{default:e};e.default.prototype._updateTextOutput=function(e){var t,r,o,n;this.dummyDOM.querySelector("#".concat(e,"_summary"))&&(t=this._accessibleOutputs[e],o=function(e,t,r,o){r="Your output is a, ".concat(r," by ").concat(o," pixels, ").concat(t," canvas containing the following");r=1===e?"".concat(r," shape:"):"".concat(r," ").concat(e," shapes:");return r}((r=function(e,t){var r,o="",n=0;for(r in t)for(var s in t[r]){var i='
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uStrokeImageSize);\n vec4 stroke1 = getTexel(uSamplerStrokes, strokePos + INT(1), uStrokeImageSize);\n\n // calculate the coverage\n coverageX(stroke0.xy, stroke0.zw, stroke1.xy);\n }\n }\n\n // intersect curves in this column\n {\n int colIndex = gridCoord.x + uGridOffset.x;\n vec4 colInfo = getTexel(uSamplerCols, colIndex, uGridImageSize);\n int colStrokeIndex = getInt16(colInfo.xy);\n int colStrokeCount = getInt16(colInfo.zw);\n \n for (int iColStroke = INT(0); iColStroke < N; iColStroke++) {\n if (iColStroke >= colStrokeCount)\n break;\n\n vec4 strokeIndices = getTexel(uSamplerColStrokes, colStrokeIndex++, uCellsImageSize);\n\n int strokePos = getInt16(strokeIndices.xy);\n vec4 stroke0 = getTexel(uSamplerStrokes, strokePos + INT(0), uStrokeImageSize);\n vec4 stroke1 = getTexel(uSamplerStrokes, strokePos + INT(1), uStrokeImageSize);\n coverageY(stroke0.xy, stroke0.zw, stroke1.xy);\n }\n }\n\n weight = saturate(1.0 - weight * 2.0);\n float distance = max(weight.x + weight.y, minDistance); // manhattan approx.\n float antialias = abs(dot(coverage, weight) / distance);\n float cover = min(abs(coverage.x), abs(coverage.y));\n OUT_COLOR = vec4(uMaterialColor.rgb, 1.) * uMaterialColor.a;\n OUT_COLOR *= saturate(max(antialias, cover));\n}\n",lineVert:T+"/*\n Part of the Processing project - http://processing.org\n Copyright (c) 2012-15 The Processing Foundation\n Copyright (c) 2004-12 Ben Fry and Casey Reas\n Copyright (c) 2001-04 Massachusetts Institute of Technology\n This library is free software; you can redistribute it and/or\n modify it under the terms of the GNU Lesser General Public\n License as published by the Free Software Foundation, version 2.1.\n This library is distributed in the hope that it will be useful,\n but WITHOUT ANY WARRANTY; without even the implied warranty of\n MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU\n Lesser General Public License for more details.\n You should have received a copy of the GNU Lesser General\n Public License along with this library; if not, write to the\n Free Software Foundation, Inc., 59 Temple Place, Suite 330,\n Boston, MA 02111-1307 USA\n*/\n\n#define PROCESSING_LINE_SHADER\n\nprecision mediump int;\n\nuniform mat4 uModelViewMatrix;\nuniform mat4 uProjectionMatrix;\nuniform float uStrokeWeight;\n\nuniform bool uUseLineColor;\nuniform vec4 uMaterialColor;\n\nuniform vec4 uViewport;\nuniform int uPerspective;\nuniform int uStrokeJoin;\n\nIN vec4 aPosition;\nIN vec3 aTangentIn;\nIN vec3 aTangentOut;\nIN float aSide;\nIN vec4 aVertexColor;\n\nOUT vec4 vColor;\nOUT vec2 vTangent;\nOUT vec2 vCenter;\nOUT vec2 vPosition;\nOUT float vMaxDist;\nOUT float vCap;\nOUT float vJoin;\n\nvec2 lineIntersection(vec2 aPoint, vec2 aDir, vec2 bPoint, vec2 bDir) {\n // Rotate and translate so a starts at the origin and goes out to the right\n bPoint -= aPoint;\n vec2 rotatedBFrom = vec2(\n bPoint.x*aDir.x + bPoint.y*aDir.y,\n bPoint.y*aDir.x - bPoint.x*aDir.y\n );\n vec2 bTo = bPoint + bDir;\n vec2 rotatedBTo = vec2(\n bTo.x*aDir.x + bTo.y*aDir.y,\n bTo.y*aDir.x - bTo.x*aDir.y\n );\n float intersectionDistance =\n rotatedBTo.x + (rotatedBFrom.x - rotatedBTo.x) * rotatedBTo.y /\n (rotatedBTo.y - rotatedBFrom.y);\n return aPoint + aDir * intersectionDistance;\n}\n\nvoid main() {\n // Caps have one of either the in or out tangent set to 0\n vCap = (aTangentIn == vec3(0.)) != (aTangentOut == (vec3(0.)))\n ? 1. : 0.;\n\n // Joins have two unique, defined tangents\n vJoin = (\n aTangentIn != vec3(0.) &&\n aTangentOut != vec3(0.) &&\n aTangentIn != aTangentOut\n ) ? 1. : 0.;\n\n vec4 posp = uModelViewMatrix * aPosition;\n vec4 posqIn = uModelViewMatrix * (aPosition + vec4(aTangentIn, 0));\n vec4 posqOut = uModelViewMatrix * (aPosition + vec4(aTangentOut, 0));\n\n float facingCamera = pow(\n // The word space tangent's z value is 0 if it's facing the camera\n abs(normalize(posqIn-posp).z),\n\n // Using pow() here to ramp `facingCamera` up from 0 to 1 really quickly\n // so most lines get scaled and don't get clipped\n 0.25\n );\n\n // using a scale <1 moves the lines towards the camera\n // in order to prevent popping effects due to half of\n // the line disappearing behind the geometry faces.\n float scale = mix(1., 0.995, facingCamera);\n\n // Moving vertices slightly toward the camera\n // to avoid depth-fighting with the fill triangles.\n // Discussed here:\n // http://www.opengl.org/discussion_boards/ubbthreads.php?ubb=showflat&Number=252848 \n posp.xyz = posp.xyz * scale;\n posqIn.xyz = posqIn.xyz * scale;\n posqOut.xyz = posqOut.xyz * scale;\n\n vec4 p = uProjectionMatrix * posp;\n vec4 qIn = uProjectionMatrix * posqIn;\n vec4 qOut = uProjectionMatrix * posqOut;\n vCenter = p.xy;\n\n // formula to convert from clip space (range -1..1) to screen space (range 0..[width or height])\n // screen_p = (p.xy/p.w + <1,1>) * 0.5 * uViewport.zw\n\n // prevent division by W by transforming the tangent formula (div by 0 causes\n // the line to disappear, see https://github.com/processing/processing/issues/5183)\n // t = screen_q - screen_p\n //\n // tangent is normalized and we don't care which aDirection it points to (+-)\n // t = +- normalize( screen_q - screen_p )\n // t = +- normalize( (q.xy/q.w+<1,1>)*0.5*uViewport.zw - (p.xy/p.w+<1,1>)*0.5*uViewport.zw )\n //\n // extract common factor, <1,1> - <1,1> cancels out\n // t = +- normalize( (q.xy/q.w - p.xy/p.w) * 0.5 * uViewport.zw )\n //\n // convert to common divisor\n // t = +- normalize( ((q.xy*p.w - p.xy*q.w) / (p.w*q.w)) * 0.5 * uViewport.zw )\n //\n // remove the common scalar divisor/factor, not needed due to normalize and +-\n // (keep uViewport - can't remove because it has different components for x and y\n // and corrects for aspect ratio, see https://github.com/processing/processing/issues/5181)\n // t = +- normalize( (q.xy*p.w - p.xy*q.w) * uViewport.zw )\n\n vec2 tangentIn = normalize((qIn.xy*p.w - p.xy*qIn.w) * uViewport.zw);\n vec2 tangentOut = normalize((qOut.xy*p.w - p.xy*qOut.w) * uViewport.zw);\n\n vec2 curPerspScale;\n if(uPerspective == 1) {\n // Perspective ---\n // convert from world to clip by multiplying with projection scaling factor\n // to get the right thickness (see https://github.com/processing/processing/issues/5182)\n\n // The y value of the projection matrix may be flipped if rendering to a Framebuffer.\n // Multiplying again by its sign here negates the flip to get just the scale.\n curPerspScale = (uProjectionMatrix * vec4(1, sign(uProjectionMatrix[1][1]), 0, 0)).xy;\n } else {\n // No Perspective ---\n // multiply by W (to cancel out division by W later in the pipeline) and\n // convert from screen to clip (derived from clip to screen above)\n curPerspScale = p.w / (0.5 * uViewport.zw);\n }\n\n vec2 offset;\n if (vJoin == 1.) {\n vTangent = normalize(tangentIn + tangentOut);\n vec2 normalIn = vec2(-tangentIn.y, tangentIn.x);\n vec2 normalOut = vec2(-tangentOut.y, tangentOut.x);\n float side = sign(aSide);\n float sideEnum = abs(aSide);\n\n // We generate vertices for joins on either side of the centerline, but\n // the \"elbow\" side is the only one needing a join. By not setting the\n // offset for the other side, all its vertices will end up in the same\n // spot and not render, effectively discarding it.\n if (sign(dot(tangentOut, vec2(-tangentIn.y, tangentIn.x))) != side) {\n // Side enums:\n // 1: the side going into the join\n // 2: the middle of the join\n // 3: the side going out of the join\n if (sideEnum == 2.) {\n // Calculate the position + tangent on either side of the join, and\n // find where the lines intersect to find the elbow of the join\n vec2 c = (posp.xy/posp.w + vec2(1.,1.)) * 0.5 * uViewport.zw;\n vec2 intersection = lineIntersection(\n c + (side * normalIn * uStrokeWeight / 2.),\n tangentIn,\n c + (side * normalOut * uStrokeWeight / 2.),\n tangentOut\n );\n offset = (intersection - c);\n\n // When lines are thick and the angle of the join approaches 180, the\n // elbow might be really far from the center. We'll apply a limit to\n // the magnitude to avoid lines going across the whole screen when this\n // happens.\n float mag = length(offset);\n float maxMag = 3. * uStrokeWeight;\n if (mag > maxMag) {\n offset *= maxMag / mag;\n }\n } else if (sideEnum == 1.) {\n offset = side * normalIn * uStrokeWeight / 2.;\n } else if (sideEnum == 3.) {\n offset = side * normalOut * uStrokeWeight / 2.;\n }\n }\n if (uStrokeJoin == STROKE_JOIN_BEVEL) {\n vec2 avgNormal = vec2(-vTangent.y, vTangent.x);\n vMaxDist = abs(dot(avgNormal, normalIn * uStrokeWeight / 2.));\n } else {\n vMaxDist = uStrokeWeight / 2.;\n }\n } else {\n vec2 tangent = aTangentIn == vec3(0.) ? tangentOut : tangentIn;\n vTangent = tangent;\n vec2 normal = vec2(-tangent.y, tangent.x);\n\n float normalOffset = sign(aSide);\n // Caps will have side values of -2 or 2 on the edge of the cap that\n // extends out from the line\n float tangentOffset = abs(aSide) - 1.;\n offset = (normal * normalOffset + tangent * tangentOffset) *\n uStrokeWeight * 0.5;\n vMaxDist = uStrokeWeight / 2.;\n }\n vPosition = vCenter + offset;\n\n gl_Position.xy = p.xy + offset.xy * curPerspScale;\n gl_Position.zw = p.zw;\n \n vColor = (uUseLineColor ? aVertexColor : uMaterialColor);\n}\n",lineFrag:T+"precision mediump int;\n\nuniform vec4 uMaterialColor;\nuniform int uStrokeCap;\nuniform int uStrokeJoin;\nuniform float uStrokeWeight;\n\nIN vec4 vColor;\nIN vec2 vTangent;\nIN vec2 vCenter;\nIN vec2 vPosition;\nIN float vMaxDist;\nIN float vCap;\nIN float vJoin;\n\nfloat distSquared(vec2 a, vec2 b) {\n vec2 aToB = b - a;\n return dot(aToB, aToB);\n}\n\nvoid main() {\n if (vCap > 0.) {\n if (\n uStrokeCap == STROKE_CAP_ROUND &&\n distSquared(vPosition, vCenter) > uStrokeWeight * uStrokeWeight * 0.25\n ) {\n discard;\n } else if (\n uStrokeCap == STROKE_CAP_SQUARE &&\n dot(vPosition - vCenter, vTangent) > 0.\n ) {\n discard;\n }\n // Use full area for PROJECT\n } else if (vJoin > 0.) {\n if (\n uStrokeJoin == STROKE_JOIN_ROUND &&\n distSquared(vPosition, vCenter) > uStrokeWeight * uStrokeWeight * 0.25\n ) {\n discard;\n } else if (uStrokeJoin == STROKE_JOIN_BEVEL) {\n vec2 normal = vec2(-vTangent.y, vTangent.x);\n if (abs(dot(vPosition - vCenter, normal)) > vMaxDist) {\n discard;\n }\n }\n // Use full area for MITER\n }\n OUT_COLOR = vec4(vColor.rgb, 1.) * vColor.a;\n}\n",pointVert:"IN vec3 aPosition;\nuniform float uPointSize;\nOUT float vStrokeWeight;\nuniform mat4 uModelViewMatrix;\nuniform mat4 uProjectionMatrix;\nvoid main() {\n\tvec4 positionVec4 = vec4(aPosition, 1.0);\n\tgl_Position = uProjectionMatrix * uModelViewMatrix * positionVec4;\n\tgl_PointSize = uPointSize;\n\tvStrokeWeight = uPointSize;\n}\n",pointFrag:"precision mediump int;\nuniform vec4 uMaterialColor;\nIN float vStrokeWeight;\n\nvoid main(){\n float mask = 0.0;\n\n // make a circular mask using the gl_PointCoord (goes from 0 - 1 on a point)\n // might be able to get a nicer edge on big strokeweights with smoothstep but slightly less performant\n\n mask = step(0.98, length(gl_PointCoord * 2.0 - 1.0));\n\n // if strokeWeight is 1 or less lets just draw a square\n // this prevents weird artifacting from carving circles when our points are really small\n // if strokeWeight is larger than 1, we just use it as is\n\n mask = mix(0.0, mask, clamp(floor(vStrokeWeight - 0.5),0.0,1.0));\n\n // throw away the borders of the mask\n // otherwise we get weird alpha blending issues\n\n if(mask > 0.98){\n discard;\n }\n\n OUT_COLOR = vec4(uMaterialColor.rgb, 1.) * uMaterialColor.a;\n}\n",imageLightVert:"precision highp float;\nattribute vec3 aPosition;\nattribute vec3 aNormal;\nattribute vec2 aTexCoord;\n\nvarying vec3 localPos;\nvarying vec3 vWorldNormal;\nvarying vec3 vWorldPosition;\nvarying vec2 vTexCoord;\n\nuniform mat4 uModelViewMatrix;\nuniform mat4 uProjectionMatrix;\nuniform mat3 uNormalMatrix;\n\nvoid main() {\n // Multiply the position by the matrix.\n vec4 viewModelPosition = uModelViewMatrix * vec4(aPosition, 1.0);\n gl_Position = uProjectionMatrix * viewModelPosition; \n \n // orient the normals and pass to the fragment shader\n vWorldNormal = uNormalMatrix * aNormal;\n \n // send the view position to the fragment shader\n vWorldPosition = (uModelViewMatrix * vec4(aPosition, 1.0)).xyz;\n \n localPos = vWorldPosition;\n vTexCoord = aTexCoord;\n}\n\n\n/*\nin the vertex shader we'll compute the world position and world oriented normal of the vertices and pass those to the fragment shader as varyings.\n*/\n",imageLightDiffusedFrag:"precision highp float;\nvarying vec3 localPos;\n\n// the HDR cubemap converted (can be from an equirectangular environment map.)\nuniform sampler2D environmentMap;\nvarying vec2 vTexCoord;\n\nconst float PI = 3.14159265359;\n\nvec2 nTOE( vec3 v ){\n // x = r sin(phi) cos(theta) \n // y = r cos(phi) \n // z = r sin(phi) sin(theta)\n float phi = acos( v.y );\n // if phi is 0, then there are no x, z components\n float theta = 0.0;\n // else \n theta = acos(v.x / sin(phi));\n float sinTheta = v.z / sin(phi);\n if (sinTheta < 0.0) {\n // Turn it into -theta, but in the 0-2PI range\n theta = 2.0 * PI - theta;\n }\n theta = theta / (2.0 * 3.14159);\n phi = phi / 3.14159 ;\n \n vec2 angles = vec2( phi, theta );\n return angles;\n}\n\nvoid main()\n{ \t \n\t// the sample direction equals the hemisphere's orientation\n float phi = vTexCoord.x * 2.0 * PI;\n float theta = vTexCoord.y * PI;\n float x = sin(theta) * cos(phi);\n float y = sin(theta) * sin(phi);\n float z = cos(theta);\n vec3 normal = vec3( x, y, z);\n\n\t// Discretely sampling the hemisphere given the integral's\n // spherical coordinates translates to the following fragment code:\n\tvec3 irradiance = vec3(0.0); \n\tvec3 up\t= vec3(0.0, 1.0, 0.0);\n\tvec3 right = normalize(cross(up, normal));\n\tup = normalize(cross(normal, right));\n\n\t// We specify a fixed sampleDelta delta value to traverse\n // the hemisphere; decreasing or increasing the sample delta\n // will increase or decrease the accuracy respectively.\n\tconst float sampleDelta = 0.025;\n\tfloat nrSamples = 0.0;\n \n\tfor(float phi = 0.0; phi < 2.0 * PI; phi += sampleDelta)\n\t{\n for(float theta = 0.0; theta < ( 0.5 ) * PI; theta += sampleDelta)\n {\n // spherical to cartesian (in tangent space) // tangent space to world // add each sample result to irradiance\n float x = sin(theta) * cos(phi);\n float y = sin(theta) * sin(phi);\n float z = cos(theta);\n vec3 tangentSample = vec3( x, y, z);\n \n vec3 sampleVec = tangentSample.x * right + tangentSample.y * up + tangentSample.z * normal;\n irradiance += (texture2D(environmentMap, nTOE(sampleVec)).xyz) * cos(theta) * sin(theta);\n nrSamples++;\n }\n\t}\n\t// divide by the total number of samples taken, giving us the average sampled irradiance.\n\tirradiance = PI * irradiance * (1.0 / float(nrSamples )) ;\n \n \n\tgl_FragColor = vec4(irradiance, 1.0);\n}",imageLightSpecularFrag:"precision highp float;\r\nvarying vec3 localPos;\r\nvarying vec2 vTexCoord;\r\n\r\n// our texture\r\nuniform sampler2D environmentMap;\r\nuniform float roughness;\r\n\r\nconst float PI = 3.14159265359;\r\n\r\nfloat VanDerCorput(int bits);\r\nvec2 HammersleyNoBitOps(int i, int N);\r\nvec3 ImportanceSampleGGX(vec2 Xi, vec3 N, float roughness);\r\n\r\n\r\nvec2 nTOE( vec3 v ){\r\n // x = r sin(phi) cos(theta) \r\n // y = r cos(phi) \r\n // z = r sin(phi) sin(theta)\r\n float phi = acos( v.y );\r\n // if phi is 0, then there are no x, z components\r\n float theta = 0.0;\r\n // else \r\n theta = acos(v.x / sin(phi));\r\n float sinTheta = v.z / sin(phi);\r\n if (sinTheta < 0.0) {\r\n // Turn it into -theta, but in the 0-2PI range\r\n theta = 2.0 * PI - theta;\r\n }\r\n theta = theta / (2.0 * 3.14159);\r\n phi = phi / 3.14159 ;\r\n \r\n vec2 angles = vec2( phi, theta );\r\n return angles;\r\n}\r\n\r\n\r\nvoid main(){\r\n const int SAMPLE_COUNT = 1024; // 4096\r\n float totalWeight = 0.0;\r\n vec3 prefilteredColor = vec3(0.0);\r\n float phi = vTexCoord.x * 2.0 * PI;\r\n float theta = vTexCoord.y * PI;\r\n float x = sin(theta) * cos(phi);\r\n float y = sin(theta) * sin(phi);\r\n float z = cos(theta);\r\n vec3 N = vec3(x,y,z);\r\n vec3 V = N;\r\n for (int i = 0; i < SAMPLE_COUNT; ++i)\r\n {\r\n vec2 Xi = HammersleyNoBitOps(i, SAMPLE_COUNT);\r\n vec3 H = ImportanceSampleGGX(Xi, N, roughness);\r\n vec3 L = normalize(2.0 * dot(V, H) * H - V);\r\n\r\n float NdotL = max(dot(N, L), 0.0);\r\n if (NdotL > 0.0)\r\n {\r\n prefilteredColor += texture2D(environmentMap, nTOE(L)).xyz * NdotL;\r\n totalWeight += NdotL;\r\n }\r\n }\r\n prefilteredColor = prefilteredColor / totalWeight;\r\n\r\n gl_FragColor = vec4(prefilteredColor, 1.0);\r\n}\r\n\r\nvec3 ImportanceSampleGGX(vec2 Xi, vec3 N, float roughness){\r\n float a = roughness * roughness;\r\n\r\n float phi = 2.0 * PI * Xi.x;\r\n float cosTheta = sqrt((1.0 - Xi.y) / (1.0 + (a * a - 1.0) * Xi.y));\r\n float sinTheta = sqrt(1.0 - cosTheta * cosTheta);\r\n // from spherical coordinates to cartesian coordinates\r\n vec3 H;\r\n H.x = cos(phi) * sinTheta;\r\n H.y = sin(phi) * sinTheta;\r\n H.z = cosTheta;\r\n\r\n // from tangent-space vector to world-space sample vector\r\n vec3 up = abs(N.z) < 0.999 ? vec3(0.0, 0.0, 1.0) : vec3(1.0, 0.0, 0.0);\r\n vec3 tangent = normalize(cross(up, N));\r\n vec3 bitangent = cross(N, tangent);\r\n\r\n vec3 sampleVec = tangent * H.x + bitangent * H.y + N * H.z;\r\n return normalize(sampleVec);\r\n}\r\n\r\n\r\nfloat VanDerCorput(int n, int base)\r\n{\r\n float invBase = 1.0 / float(base);\r\n float denom = 1.0;\r\n float result = 0.0;\r\n\r\n for (int i = 0; i < 32; ++i)\r\n {\r\n\tif (n > 0)\r\n\t{\r\n \tdenom = mod(float(n), 2.0);\r\n \tresult += denom * invBase;\r\n \tinvBase = invBase / 2.0;\r\n \tn = int(float(n) / 2.0);\r\n\t}\r\n }\r\n\r\n return result;\r\n}\r\n\r\nvec2 HammersleyNoBitOps(int i, int N)\r\n{\r\n return vec2(float(i) / float(N), VanDerCorput(i, 2));\r\n}\r\n"};for(x in M)M[x]="#ifdef WEBGL2\n\n#define IN in\n#define OUT out\n\n#ifdef FRAGMENT_SHADER\nout vec4 outColor;\n#define OUT_COLOR outColor\n#endif\n#define TEXTURE texture\n\n#else\n\n#ifdef FRAGMENT_SHADER\n#define IN varying\n#else\n#define IN attribute\n#endif\n#define OUT varying\n#define TEXTURE texture2D\n\n#ifdef FRAGMENT_SHADER\n#define OUT_COLOR gl_FragColor\n#endif\n\n#endif\n"+M[x];j(e={},l.GRAY,"precision highp float;\n\nvarying vec2 vTexCoord;\n\nuniform sampler2D tex0;\n\nfloat luma(vec3 color) {\n // weighted grayscale with luminance values\n return dot(color, vec3(0.2126, 0.7152, 0.0722));\n}\n\nvoid main() {\n vec4 tex = texture2D(tex0, vTexCoord);\n float gray = luma(tex.rgb);\n gl_FragColor = vec4(gray, gray, gray, tex.a);\n}\n"),j(e,l.ERODE,"// Reduces the bright areas in an image\n\nprecision highp float;\n\nvarying vec2 vTexCoord;\n\nuniform sampler2D tex0;\nuniform vec2 texelSize;\n\nfloat luma(vec3 color) {\n // weighted grayscale with luminance values\n // weights 77, 151, 28 taken from src/image/filters.js\n return dot(color, vec3(0.300781, 0.589844, 0.109375));\n}\n\nvoid main() {\n vec4 color = texture2D(tex0, vTexCoord);\n float lum = luma(color.rgb);\n\n // set current color as the darkest neighbor color\n\n vec4 neighbors[4];\n neighbors[0] = texture2D(tex0, vTexCoord + vec2( texelSize.x, 0.0));\n neighbors[1] = texture2D(tex0, vTexCoord + vec2(-texelSize.x, 0.0));\n neighbors[2] = texture2D(tex0, vTexCoord + vec2(0.0, texelSize.y));\n neighbors[3] = texture2D(tex0, vTexCoord + vec2(0.0, -texelSize.y));\n\n for (int i = 0; i < 4; i++) {\n vec4 neighborColor = neighbors[i];\n float neighborLum = luma(neighborColor.rgb);\n\n if (neighborLum < lum) {\n color = neighborColor;\n lum = neighborLum;\n }\n }\n\n gl_FragColor = color;\n}\n"),j(e,l.DILATE,"// Increase the bright areas in an image\n\nprecision highp float;\n\nvarying vec2 vTexCoord;\n\nuniform sampler2D tex0;\nuniform vec2 texelSize;\n\nfloat luma(vec3 color) {\n // weighted grayscale with luminance values\n // weights 77, 151, 28 taken from src/image/filters.js\n return dot(color, vec3(0.300781, 0.589844, 0.109375));\n}\n\nvoid main() {\n vec4 color = texture2D(tex0, vTexCoord);\n float lum = luma(color.rgb);\n\n // set current color as the brightest neighbor color\n\n vec4 neighbors[4];\n neighbors[0] = texture2D(tex0, vTexCoord + vec2( texelSize.x, 0.0));\n neighbors[1] = texture2D(tex0, vTexCoord + vec2(-texelSize.x, 0.0));\n neighbors[2] = texture2D(tex0, vTexCoord + vec2(0.0, texelSize.y));\n neighbors[3] = texture2D(tex0, vTexCoord + vec2(0.0, -texelSize.y));\n\n for (int i = 0; i < 4; i++) {\n vec4 neighborColor = neighbors[i];\n float neighborLum = luma(neighborColor.rgb);\n\n if (neighborLum > lum) {\n color = neighborColor;\n lum = neighborLum;\n }\n }\n\n gl_FragColor = color;\n}\n"),j(e,l.BLUR,"precision highp float;\n\n// Two-pass blur filter, unweighted kernel.\n// See also a similar blur at Adam Ferriss' repo of shader examples:\n// https://github.com/aferriss/p5jsShaderExamples/blob/gh-pages/4_image-effects/4-9_single-pass-blur/effect.frag\n\n\nuniform sampler2D tex0;\nvarying vec2 vTexCoord;\nuniform vec2 direction;\nuniform vec2 canvasSize;\nuniform float radius;\n\nfloat random(vec2 p) {\n vec3 p3 = fract(vec3(p.xyx) * .1031);\n p3 += dot(p3, p3.yzx + 33.33);\n return fract((p3.x + p3.y) * p3.z);\n}\n\n// This isn't a real Gaussian weight, it's a quadratic weight. 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this.ingredients.shapes[e])JSON.stringify(this.ingredients.shapes[e][a])===JSON.stringify(n)&&(s=!1);!0===s&&this.ingredients.shapes[e].push(n)}}else this.ingredients.shapes[e]=[n]},o.default.prototype._getPos=function(e,t){var e=new DOMPointReadOnly(e,t),t=this._renderer.isP3D?new DOMMatrix(this._renderer.uMVMatrix.mat4):this.drawingContext.getTransform(),e=e.matrixTransform(t),t=e.x,e=e.y,r=this.width*this._pixelDensity,o=this.height*this._pixelDensity;return t<.4*r?e<.4*o?"top left":.6*oMath.PI?n+=o:n-=o)):"ellipse"===e||"circle"===e?n=3.14*t[2]/2*t[3]/2:"line"===e||"point"===e?n=0:"quadrilateral"===e?n=Math.abs((t[6]+t[0])*(t[7]-t[1])+(t[0]+t[2])*(t[1]-t[3])+(t[2]+t[4])*(t[3]-t[5])+(t[4]+t[6])*(t[5]-t[7]))/2:"rectangle"===e||"square"===e?n=t[2]*t[3]:"triangle"===e&&(n=Math.abs(t[0]*(t[3]-t[5])+t[2]*(t[5]-t[1])+t[4]*(t[1]-t[3]))/2),this.width*this._pixelDensity),i=this.height*this._pixelDensity,a=[new DOMPoint(0,0),new DOMPoint(s,0),new DOMPoint(s,i),new 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curve (after t1)?\n if (y1 ? !y2 : y0) {\n // add the coverage for t1\n coverage.x += saturate(C1.x + 0.5);\n // calculate the anti-aliasing for t1\n weight.x = min(weight.x, abs(C1.x));\n }\n\n // are we outside the curve (after t2)?\n if (y1 ? !y0 : y2) {\n // subtract the coverage for t2\n coverage.x -= saturate(C2.x + 0.5);\n // calculate the anti-aliasing for t2\n weight.x = min(weight.x, abs(C2.x));\n }\n}\n\n// this is essentially the same as coverageX, but with the axes swapped\nvoid coverageY(vec2 p0, vec2 p1, vec2 p2) {\n\n vec2 C1, C2;\n calulateCrossings(p0, p1, p2, C1, C2);\n\n bool x0 = p0.x > vTexCoord.x;\n bool x1 = p1.x > vTexCoord.x;\n bool x2 = p2.x > vTexCoord.x;\n\n if (x1 ? !x2 : x0) {\n coverage.y -= saturate(C1.y + 0.5);\n weight.y = min(weight.y, abs(C1.y));\n }\n\n if (x1 ? !x0 : x2) {\n coverage.y += saturate(C2.y + 0.5);\n weight.y = min(weight.y, abs(C2.y));\n }\n}\n\nvoid main() {\n\n // calculate the pixel scale based on screen-coordinates\n pixelScale = hardness / fwidth(vTexCoord);\n\n // which grid cell is this pixel in?\n ivec2 gridCoord = ifloor(vTexCoord * vec2(uGridSize));\n\n // intersect curves in this row\n {\n // the index into the row info bitmap\n int rowIndex = gridCoord.y + uGridOffset.y;\n // fetch the info texel\n vec4 rowInfo = getTexel(uSamplerRows, rowIndex, uGridImageSize);\n // unpack the rowInfo\n int rowStrokeIndex = getInt16(rowInfo.xy);\n int rowStrokeCount = getInt16(rowInfo.zw);\n\n for (int iRowStroke = INT(0); iRowStroke < N; iRowStroke++) {\n if (iRowStroke >= rowStrokeCount)\n break;\n\n // each stroke is made up of 3 points: the start and control point\n // and the start of the next curve.\n // fetch the indices of this pair of strokes:\n vec4 strokeIndices = getTexel(uSamplerRowStrokes, rowStrokeIndex++, uCellsImageSize);\n\n // unpack the stroke index\n int strokePos = getInt16(strokeIndices.xy);\n\n // fetch the two strokes\n vec4 stroke0 = getTexel(uSamplerStrokes, strokePos + INT(0), uStrokeImageSize);\n vec4 stroke1 = getTexel(uSamplerStrokes, strokePos + INT(1), uStrokeImageSize);\n\n // calculate the coverage\n coverageX(stroke0.xy, stroke0.zw, stroke1.xy);\n }\n }\n\n // intersect curves in this column\n {\n int colIndex = gridCoord.x + uGridOffset.x;\n vec4 colInfo = getTexel(uSamplerCols, colIndex, uGridImageSize);\n int colStrokeIndex = getInt16(colInfo.xy);\n int colStrokeCount = getInt16(colInfo.zw);\n \n for (int iColStroke = INT(0); iColStroke < N; iColStroke++) {\n if (iColStroke >= colStrokeCount)\n break;\n\n vec4 strokeIndices = getTexel(uSamplerColStrokes, colStrokeIndex++, uCellsImageSize);\n\n int strokePos = getInt16(strokeIndices.xy);\n vec4 stroke0 = getTexel(uSamplerStrokes, strokePos + INT(0), uStrokeImageSize);\n vec4 stroke1 = getTexel(uSamplerStrokes, strokePos + INT(1), uStrokeImageSize);\n coverageY(stroke0.xy, stroke0.zw, stroke1.xy);\n }\n }\n\n weight = saturate(1.0 - weight * 2.0);\n float distance = max(weight.x + weight.y, minDistance); // manhattan approx.\n float antialias = abs(dot(coverage, weight) / distance);\n float cover = min(abs(coverage.x), abs(coverage.y));\n OUT_COLOR = vec4(uMaterialColor.rgb, 1.) * uMaterialColor.a;\n OUT_COLOR *= saturate(max(antialias, cover));\n}\n",lineVert:T+"/*\n Part of the Processing project - http://processing.org\n Copyright (c) 2012-15 The Processing Foundation\n Copyright (c) 2004-12 Ben Fry and Casey Reas\n Copyright (c) 2001-04 Massachusetts Institute of Technology\n This library is free software; you can redistribute it and/or\n modify it under the terms of the GNU Lesser General Public\n License as published by the Free Software Foundation, version 2.1.\n This library is distributed in the hope that it will be useful,\n but WITHOUT ANY WARRANTY; without even the implied warranty of\n MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU\n Lesser General Public License for more details.\n You should have received a copy of the GNU Lesser General\n Public License along with this library; if not, write to the\n Free Software Foundation, Inc., 59 Temple Place, Suite 330,\n Boston, MA 02111-1307 USA\n*/\n\n#define PROCESSING_LINE_SHADER\n\nprecision mediump int;\n\nuniform mat4 uModelViewMatrix;\nuniform mat4 uProjectionMatrix;\nuniform float uStrokeWeight;\n\nuniform bool uUseLineColor;\nuniform vec4 uMaterialColor;\n\nuniform vec4 uViewport;\nuniform int uPerspective;\nuniform int uStrokeJoin;\n\nIN vec4 aPosition;\nIN vec3 aTangentIn;\nIN vec3 aTangentOut;\nIN float aSide;\nIN vec4 aVertexColor;\n\nOUT vec4 vColor;\nOUT vec2 vTangent;\nOUT vec2 vCenter;\nOUT vec2 vPosition;\nOUT float vMaxDist;\nOUT float vCap;\nOUT float vJoin;\n\nvec2 lineIntersection(vec2 aPoint, vec2 aDir, vec2 bPoint, vec2 bDir) {\n // Rotate and translate so a starts at the origin and goes out to the right\n bPoint -= aPoint;\n vec2 rotatedBFrom = vec2(\n bPoint.x*aDir.x + bPoint.y*aDir.y,\n bPoint.y*aDir.x - bPoint.x*aDir.y\n );\n vec2 bTo = bPoint + bDir;\n vec2 rotatedBTo = vec2(\n bTo.x*aDir.x + bTo.y*aDir.y,\n bTo.y*aDir.x - bTo.x*aDir.y\n );\n float intersectionDistance =\n rotatedBTo.x + (rotatedBFrom.x - rotatedBTo.x) * rotatedBTo.y /\n (rotatedBTo.y - rotatedBFrom.y);\n return aPoint + aDir * intersectionDistance;\n}\n\nvoid main() {\n // Caps have one of either the in or out tangent set to 0\n vCap = (aTangentIn == vec3(0.)) != (aTangentOut == (vec3(0.)))\n ? 1. : 0.;\n\n // Joins have two unique, defined tangents\n vJoin = (\n aTangentIn != vec3(0.) &&\n aTangentOut != vec3(0.) &&\n aTangentIn != aTangentOut\n ) ? 1. : 0.;\n\n vec4 posp = uModelViewMatrix * aPosition;\n vec4 posqIn = uModelViewMatrix * (aPosition + vec4(aTangentIn, 0));\n vec4 posqOut = uModelViewMatrix * (aPosition + vec4(aTangentOut, 0));\n\n float facingCamera = pow(\n // The word space tangent's z value is 0 if it's facing the camera\n abs(normalize(posqIn-posp).z),\n\n // Using pow() here to ramp `facingCamera` up from 0 to 1 really quickly\n // so most lines get scaled and don't get clipped\n 0.25\n );\n\n // Moving vertices slightly toward the camera\n // to avoid depth-fighting with the fill triangles.\n // This prevents popping effects due to half of\n // the line disappearing behind the geometry faces.\n \n float zOffset = mix(-0.00045, -1., facingCamera);\n posp.z -= zOffset;\n posqIn.z -= zOffset;\n posqOut.z -= zOffset;\n \n vec4 p = uProjectionMatrix * posp;\n vec4 qIn = uProjectionMatrix * posqIn;\n vec4 qOut = uProjectionMatrix * posqOut;\n vCenter = p.xy;\n\n // formula to convert from clip space (range -1..1) to screen space (range 0..[width or height])\n // screen_p = (p.xy/p.w + <1,1>) * 0.5 * uViewport.zw\n\n // prevent division by W by transforming the tangent formula (div by 0 causes\n // the line to disappear, see https://github.com/processing/processing/issues/5183)\n // t = screen_q - screen_p\n //\n // tangent is normalized and we don't care which aDirection it points to (+-)\n // t = +- normalize( screen_q - screen_p )\n // t = +- normalize( (q.xy/q.w+<1,1>)*0.5*uViewport.zw - (p.xy/p.w+<1,1>)*0.5*uViewport.zw )\n //\n // extract common factor, <1,1> - <1,1> cancels out\n // t = +- normalize( (q.xy/q.w - p.xy/p.w) * 0.5 * uViewport.zw )\n //\n // convert to common divisor\n // t = +- normalize( ((q.xy*p.w - p.xy*q.w) / (p.w*q.w)) * 0.5 * uViewport.zw )\n //\n // remove the common scalar divisor/factor, not needed due to normalize and +-\n // (keep uViewport - can't remove because it has different components for x and y\n // and corrects for aspect ratio, see https://github.com/processing/processing/issues/5181)\n // t = +- normalize( (q.xy*p.w - p.xy*q.w) * uViewport.zw )\n\n vec2 tangentIn = normalize((qIn.xy*p.w - p.xy*qIn.w) * uViewport.zw);\n vec2 tangentOut = normalize((qOut.xy*p.w - p.xy*qOut.w) * uViewport.zw);\n\n vec2 curPerspScale;\n if(uPerspective == 1) {\n // Perspective ---\n // convert from world to clip by multiplying with projection scaling factor\n // to get the right thickness (see https://github.com/processing/processing/issues/5182)\n\n // The y value of the projection matrix may be flipped if rendering to a Framebuffer.\n // Multiplying again by its sign here negates the flip to get just the scale.\n curPerspScale = (uProjectionMatrix * vec4(1, sign(uProjectionMatrix[1][1]), 0, 0)).xy;\n } else {\n // No Perspective ---\n // multiply by W (to cancel out division by W later in the pipeline) and\n // convert from screen to clip (derived from clip to screen above)\n curPerspScale = p.w / (0.5 * uViewport.zw);\n }\n\n vec2 offset;\n if (vJoin == 1.) {\n vTangent = normalize(tangentIn + tangentOut);\n vec2 normalIn = vec2(-tangentIn.y, tangentIn.x);\n vec2 normalOut = vec2(-tangentOut.y, tangentOut.x);\n float side = sign(aSide);\n float sideEnum = abs(aSide);\n\n // We generate vertices for joins on either side of the centerline, but\n // the \"elbow\" side is the only one needing a join. By not setting the\n // offset for the other side, all its vertices will end up in the same\n // spot and not render, effectively discarding it.\n if (sign(dot(tangentOut, vec2(-tangentIn.y, tangentIn.x))) != side) {\n // Side enums:\n // 1: the side going into the join\n // 2: the middle of the join\n // 3: the side going out of the join\n if (sideEnum == 2.) {\n // Calculate the position + tangent on either side of the join, and\n // find where the lines intersect to find the elbow of the join\n vec2 c = (posp.xy/posp.w + vec2(1.,1.)) * 0.5 * uViewport.zw;\n vec2 intersection = lineIntersection(\n c + (side * normalIn * uStrokeWeight / 2.),\n tangentIn,\n c + (side * normalOut * uStrokeWeight / 2.),\n tangentOut\n );\n offset = (intersection - c);\n\n // When lines are thick and the angle of the join approaches 180, the\n // elbow might be really far from the center. We'll apply a limit to\n // the magnitude to avoid lines going across the whole screen when this\n // happens.\n float mag = length(offset);\n float maxMag = 3. * uStrokeWeight;\n if (mag > maxMag) {\n offset *= maxMag / mag;\n }\n } else if (sideEnum == 1.) {\n offset = side * normalIn * uStrokeWeight / 2.;\n } else if (sideEnum == 3.) {\n offset = side * normalOut * uStrokeWeight / 2.;\n }\n }\n if (uStrokeJoin == STROKE_JOIN_BEVEL) {\n vec2 avgNormal = vec2(-vTangent.y, vTangent.x);\n vMaxDist = abs(dot(avgNormal, normalIn * uStrokeWeight / 2.));\n } else {\n vMaxDist = uStrokeWeight / 2.;\n }\n } else {\n vec2 tangent = aTangentIn == vec3(0.) ? tangentOut : tangentIn;\n vTangent = tangent;\n vec2 normal = vec2(-tangent.y, tangent.x);\n\n float normalOffset = sign(aSide);\n // Caps will have side values of -2 or 2 on the edge of the cap that\n // extends out from the line\n float tangentOffset = abs(aSide) - 1.;\n offset = (normal * normalOffset + tangent * tangentOffset) *\n uStrokeWeight * 0.5;\n vMaxDist = uStrokeWeight / 2.;\n }\n vPosition = vCenter + offset;\n\n gl_Position.xy = p.xy + offset.xy * curPerspScale;\n gl_Position.zw = p.zw;\n \n vColor = (uUseLineColor ? aVertexColor : uMaterialColor);\n}\n",lineFrag:T+"precision mediump int;\n\nuniform vec4 uMaterialColor;\nuniform int uStrokeCap;\nuniform int uStrokeJoin;\nuniform float uStrokeWeight;\n\nIN vec4 vColor;\nIN vec2 vTangent;\nIN vec2 vCenter;\nIN vec2 vPosition;\nIN float vMaxDist;\nIN float vCap;\nIN float vJoin;\n\nfloat distSquared(vec2 a, vec2 b) {\n vec2 aToB = b - a;\n return dot(aToB, aToB);\n}\n\nvoid main() {\n if (vCap > 0.) {\n if (\n uStrokeCap == STROKE_CAP_ROUND &&\n distSquared(vPosition, vCenter) > uStrokeWeight * uStrokeWeight * 0.25\n ) {\n discard;\n } else if (\n uStrokeCap == STROKE_CAP_SQUARE &&\n dot(vPosition - vCenter, vTangent) > 0.\n ) {\n discard;\n }\n // Use full area for PROJECT\n } else if (vJoin > 0.) {\n if (\n uStrokeJoin == STROKE_JOIN_ROUND &&\n distSquared(vPosition, vCenter) > uStrokeWeight * uStrokeWeight * 0.25\n ) {\n discard;\n } else if (uStrokeJoin == STROKE_JOIN_BEVEL) {\n vec2 normal = vec2(-vTangent.y, vTangent.x);\n if (abs(dot(vPosition - vCenter, normal)) > vMaxDist) {\n discard;\n }\n }\n // Use full area for MITER\n }\n OUT_COLOR = vec4(vColor.rgb, 1.) * vColor.a;\n}\n",pointVert:"IN vec3 aPosition;\nuniform float uPointSize;\nOUT float vStrokeWeight;\nuniform mat4 uModelViewMatrix;\nuniform mat4 uProjectionMatrix;\nvoid main() {\n\tvec4 positionVec4 = vec4(aPosition, 1.0);\n\tgl_Position = uProjectionMatrix * uModelViewMatrix * positionVec4;\n\tgl_PointSize = uPointSize;\n\tvStrokeWeight = uPointSize;\n}\n",pointFrag:"precision mediump int;\nuniform vec4 uMaterialColor;\nIN float vStrokeWeight;\n\nvoid main(){\n float mask = 0.0;\n\n // make a circular mask using the gl_PointCoord (goes from 0 - 1 on a point)\n // might be able to get a nicer edge on big strokeweights with smoothstep but slightly less performant\n\n mask = step(0.98, length(gl_PointCoord * 2.0 - 1.0));\n\n // if strokeWeight is 1 or less lets just draw a square\n // this prevents weird artifacting from carving circles when our points are really small\n // if strokeWeight is larger than 1, we just use it as is\n\n mask = mix(0.0, mask, clamp(floor(vStrokeWeight - 0.5),0.0,1.0));\n\n // throw away the borders of the mask\n // otherwise we get weird alpha blending issues\n\n if(mask > 0.98){\n discard;\n }\n\n OUT_COLOR = vec4(uMaterialColor.rgb, 1.) * uMaterialColor.a;\n}\n",imageLightVert:"precision highp float;\nattribute vec3 aPosition;\nattribute vec3 aNormal;\nattribute vec2 aTexCoord;\n\nvarying vec3 localPos;\nvarying vec3 vWorldNormal;\nvarying vec3 vWorldPosition;\nvarying vec2 vTexCoord;\n\nuniform mat4 uModelViewMatrix;\nuniform mat4 uProjectionMatrix;\nuniform mat3 uNormalMatrix;\n\nvoid main() {\n // Multiply the position by the matrix.\n vec4 viewModelPosition = uModelViewMatrix * vec4(aPosition, 1.0);\n gl_Position = uProjectionMatrix * viewModelPosition; \n \n // orient the normals and pass to the fragment shader\n vWorldNormal = uNormalMatrix * aNormal;\n \n // send the view position to the fragment shader\n vWorldPosition = (uModelViewMatrix * vec4(aPosition, 1.0)).xyz;\n \n localPos = vWorldPosition;\n vTexCoord = aTexCoord;\n}\n\n\n/*\nin the vertex shader we'll compute the world position and world oriented normal of the vertices and pass those to the fragment shader as varyings.\n*/\n",imageLightDiffusedFrag:"precision highp float;\nvarying vec3 localPos;\n\n// the HDR cubemap converted (can be from an equirectangular environment map.)\nuniform sampler2D environmentMap;\nvarying vec2 vTexCoord;\n\nconst float PI = 3.14159265359;\n\nvec2 nTOE( vec3 v ){\n // x = r sin(phi) cos(theta) \n // y = r cos(phi) \n // z = r sin(phi) sin(theta)\n float phi = acos( v.y );\n // if phi is 0, then there are no x, z components\n float theta = 0.0;\n // else \n theta = acos(v.x / sin(phi));\n float sinTheta = v.z / sin(phi);\n if (sinTheta < 0.0) {\n // Turn it into -theta, but in the 0-2PI range\n theta = 2.0 * PI - theta;\n }\n theta = theta / (2.0 * 3.14159);\n phi = phi / 3.14159 ;\n \n vec2 angles = vec2( phi, theta );\n return angles;\n}\n\nfloat random(vec2 p) {\n vec3 p3 = fract(vec3(p.xyx) * .1031);\n p3 += dot(p3, p3.yzx + 33.33);\n return fract((p3.x + p3.y) * p3.z);\n}\n\nvoid main()\n{ \t \n\t// the sample direction equals the hemisphere's orientation\n float phi = vTexCoord.x * 2.0 * PI;\n float theta = vTexCoord.y * PI;\n float x = sin(theta) * cos(phi);\n float y = sin(theta) * sin(phi);\n float z = cos(theta);\n vec3 normal = vec3( x, y, z);\n\n\t// Discretely sampling the hemisphere given the integral's\n // spherical coordinates translates to the following fragment code:\n\tvec3 irradiance = vec3(0.0); \n\tvec3 up\t= vec3(0.0, 1.0, 0.0);\n\tvec3 right = normalize(cross(up, normal));\n\tup = normalize(cross(normal, right));\n\n\t// We specify a fixed sampleDelta delta value to traverse\n // the hemisphere; decreasing or increasing the sample delta\n // will increase or decrease the accuracy respectively.\n\tconst float sampleDelta = 0.100;\n\tfloat nrSamples = 0.0;\n float randomOffset = random(gl_FragCoord.xy) * sampleDelta;\n\tfor(float rawPhi = 0.0; rawPhi < 2.0 * PI; rawPhi += sampleDelta)\n\t{\n float phi = rawPhi + randomOffset;\n for(float rawTheta = 0.0; rawTheta < ( 0.5 ) * PI; rawTheta += sampleDelta)\n {\n float theta = rawTheta + randomOffset;\n // spherical to cartesian (in tangent space) // tangent space to world // add each sample result to irradiance\n float x = sin(theta) * cos(phi);\n float y = sin(theta) * sin(phi);\n float z = cos(theta);\n vec3 tangentSample = vec3( x, y, z);\n \n vec3 sampleVec = tangentSample.x * right + tangentSample.y * up + tangentSample.z * normal;\n irradiance += (texture2D(environmentMap, nTOE(sampleVec)).xyz) * cos(theta) * sin(theta);\n nrSamples++;\n }\n\t}\n\t// divide by the total number of samples taken, giving us the average sampled irradiance.\n\tirradiance = PI * irradiance * (1.0 / float(nrSamples )) ;\n \n \n\tgl_FragColor = vec4(irradiance, 1.0);\n}",imageLightSpecularFrag:"precision highp float;\r\nvarying vec3 localPos;\r\nvarying vec2 vTexCoord;\r\n\r\n// our texture\r\nuniform sampler2D environmentMap;\r\nuniform float roughness;\r\n\r\nconst float PI = 3.14159265359;\r\n\r\nfloat VanDerCorput(int bits);\r\nvec2 HammersleyNoBitOps(int i, int N);\r\nvec3 ImportanceSampleGGX(vec2 Xi, vec3 N, float roughness);\r\n\r\n\r\nvec2 nTOE( vec3 v ){\r\n // x = r sin(phi) cos(theta) \r\n // y = r cos(phi) \r\n // z = r sin(phi) sin(theta)\r\n float phi = acos( v.y );\r\n // if phi is 0, then there are no x, z components\r\n float theta = 0.0;\r\n // else \r\n theta = acos(v.x / sin(phi));\r\n float sinTheta = v.z / sin(phi);\r\n if (sinTheta < 0.0) {\r\n // Turn it into -theta, but in the 0-2PI range\r\n theta = 2.0 * PI - theta;\r\n }\r\n theta = theta / (2.0 * 3.14159);\r\n phi = phi / 3.14159 ;\r\n \r\n vec2 angles = vec2( phi, theta );\r\n return angles;\r\n}\r\n\r\n\r\nvoid main(){\r\n const int SAMPLE_COUNT = 400; // 4096\r\n int lowRoughnessLimit = int(pow(2.0,(roughness+0.1)*20.0));\r\n float totalWeight = 0.0;\r\n vec3 prefilteredColor = vec3(0.0);\r\n float phi = vTexCoord.x * 2.0 * PI;\r\n float theta = vTexCoord.y * PI;\r\n float x = sin(theta) * cos(phi);\r\n float y = sin(theta) * sin(phi);\r\n float z = cos(theta);\r\n vec3 N = vec3(x,y,z);\r\n vec3 V = N;\r\n for (int i = 0; i < SAMPLE_COUNT; ++i)\r\n {\r\n // break at smaller sample numbers for low roughness levels\r\n if(i == lowRoughnessLimit)\r\n {\r\n break;\r\n }\r\n vec2 Xi = HammersleyNoBitOps(i, SAMPLE_COUNT);\r\n vec3 H = ImportanceSampleGGX(Xi, N, roughness);\r\n vec3 L = normalize(2.0 * dot(V, H) * H - V);\r\n\r\n float NdotL = max(dot(N, L), 0.0);\r\n if (NdotL > 0.0)\r\n {\r\n prefilteredColor += texture2D(environmentMap, nTOE(L)).xyz * NdotL;\r\n totalWeight += NdotL;\r\n }\r\n }\r\n prefilteredColor = prefilteredColor / totalWeight;\r\n\r\n gl_FragColor = vec4(prefilteredColor, 1.0);\r\n}\r\n\r\nvec3 ImportanceSampleGGX(vec2 Xi, vec3 N, float roughness){\r\n float a = roughness * roughness;\r\n\r\n float phi = 2.0 * PI * Xi.x;\r\n float cosTheta = sqrt((1.0 - Xi.y) / (1.0 + (a * a - 1.0) * Xi.y));\r\n float sinTheta = sqrt(1.0 - cosTheta * cosTheta);\r\n // from spherical coordinates to cartesian coordinates\r\n vec3 H;\r\n H.x = cos(phi) * sinTheta;\r\n H.y = sin(phi) * sinTheta;\r\n H.z = cosTheta;\r\n\r\n // from tangent-space vector to world-space sample vector\r\n vec3 up = abs(N.z) < 0.999 ? vec3(0.0, 0.0, 1.0) : vec3(1.0, 0.0, 0.0);\r\n vec3 tangent = normalize(cross(up, N));\r\n vec3 bitangent = cross(N, tangent);\r\n\r\n vec3 sampleVec = tangent * H.x + bitangent * H.y + N * H.z;\r\n return normalize(sampleVec);\r\n}\r\n\r\n\r\nfloat VanDerCorput(int n, int base)\r\n{\r\n#ifdef WEBGL2\r\n\r\n uint bits = uint(n);\r\n bits = (bits << 16u) | (bits >> 16u);\r\n bits = ((bits & 0x55555555u) << 1u) | ((bits & 0xAAAAAAAAu) >> 1u);\r\n bits = ((bits & 0x33333333u) << 2u) | ((bits & 0xCCCCCCCCu) >> 2u);\r\n bits = ((bits & 0x0F0F0F0Fu) << 4u) | ((bits & 0xF0F0F0F0u) >> 4u);\r\n bits = ((bits & 0x00FF00FFu) << 8u) | ((bits & 0xFF00FF00u) >> 8u);\r\n return float(bits) * 2.3283064365386963e-10; // / 0x100000000\r\n\r\n#else\r\n\r\n float invBase = 1.0 / float(base);\r\n float denom = 1.0;\r\n float result = 0.0;\r\n\r\n\r\n for (int i = 0; i < 32; ++i)\r\n {\r\n if (n > 0)\r\n {\r\n denom = mod(float(n), 2.0);\r\n result += denom * invBase;\r\n invBase = invBase / 2.0;\r\n n = int(float(n) / 2.0);\r\n }\r\n }\r\n\r\n\r\n return result;\r\n\r\n#endif\r\n}\r\n\r\nvec2 HammersleyNoBitOps(int i, int N)\r\n{\r\n return vec2(float(i) / float(N), VanDerCorput(i, 2));\r\n}\r\n"},M=E.sphereMappingFrag;for(x in E)E[x]="#ifdef WEBGL2\n\n#define IN in\n#define OUT out\n\n#ifdef FRAGMENT_SHADER\nout vec4 outColor;\n#define OUT_COLOR outColor\n#endif\n#define TEXTURE texture\n\n#else\n\n#ifdef FRAGMENT_SHADER\n#define IN varying\n#else\n#define IN attribute\n#endif\n#define OUT varying\n#define TEXTURE texture2D\n\n#ifdef FRAGMENT_SHADER\n#define OUT_COLOR gl_FragColor\n#endif\n\n#endif\n"+E[x];j(e={},l.GRAY,"precision highp float;\n\nvarying vec2 vTexCoord;\n\nuniform sampler2D tex0;\n\nfloat luma(vec3 color) {\n // weighted grayscale with luminance values\n return dot(color, vec3(0.2126, 0.7152, 0.0722));\n}\n\nvoid main() {\n vec4 tex = texture2D(tex0, vTexCoord);\n float gray = luma(tex.rgb);\n gl_FragColor = vec4(gray, gray, gray, tex.a);\n}\n"),j(e,l.ERODE,"// Reduces the bright areas in an image\n\nprecision highp float;\n\nvarying vec2 vTexCoord;\n\nuniform sampler2D tex0;\nuniform vec2 texelSize;\n\nfloat luma(vec3 color) {\n // weighted grayscale with luminance values\n // weights 77, 151, 28 taken from src/image/filters.js\n return dot(color, vec3(0.300781, 0.589844, 0.109375));\n}\n\nvoid main() {\n vec4 color = texture2D(tex0, vTexCoord);\n float lum = luma(color.rgb);\n\n // set current color as the darkest neighbor color\n\n vec4 neighbors[4];\n neighbors[0] = texture2D(tex0, vTexCoord + vec2( texelSize.x, 0.0));\n neighbors[1] = texture2D(tex0, vTexCoord + vec2(-texelSize.x, 0.0));\n neighbors[2] = texture2D(tex0, vTexCoord + vec2(0.0, texelSize.y));\n neighbors[3] = texture2D(tex0, vTexCoord + vec2(0.0, -texelSize.y));\n\n for (int i = 0; i < 4; i++) {\n vec4 neighborColor = neighbors[i];\n float neighborLum = luma(neighborColor.rgb);\n\n if (neighborLum < lum) {\n color = neighborColor;\n lum = neighborLum;\n }\n }\n\n gl_FragColor = color;\n}\n"),j(e,l.DILATE,"// Increase the bright areas in an image\n\nprecision highp float;\n\nvarying vec2 vTexCoord;\n\nuniform sampler2D tex0;\nuniform vec2 texelSize;\n\nfloat luma(vec3 color) {\n // weighted grayscale with luminance values\n // weights 77, 151, 28 taken from src/image/filters.js\n return dot(color, vec3(0.300781, 0.589844, 0.109375));\n}\n\nvoid main() {\n vec4 color = texture2D(tex0, vTexCoord);\n float lum = luma(color.rgb);\n\n // set current color as the brightest neighbor color\n\n vec4 neighbors[4];\n neighbors[0] = texture2D(tex0, vTexCoord + vec2( texelSize.x, 0.0));\n neighbors[1] = texture2D(tex0, vTexCoord + vec2(-texelSize.x, 0.0));\n neighbors[2] = texture2D(tex0, vTexCoord + vec2(0.0, texelSize.y));\n neighbors[3] = texture2D(tex0, vTexCoord + vec2(0.0, -texelSize.y));\n\n for (int i = 0; i < 4; i++) {\n vec4 neighborColor = neighbors[i];\n float neighborLum = luma(neighborColor.rgb);\n\n if (neighborLum > lum) {\n color = neighborColor;\n lum = neighborLum;\n }\n }\n\n gl_FragColor = color;\n}\n"),j(e,l.BLUR,"precision highp float;\n\n// Two-pass blur filter, unweighted kernel.\n// See also a similar blur at Adam Ferriss' repo of shader examples:\n// https://github.com/aferriss/p5jsShaderExamples/blob/gh-pages/4_image-effects/4-9_single-pass-blur/effect.frag\n\n\nuniform sampler2D tex0;\nvarying vec2 vTexCoord;\nuniform vec2 direction;\nuniform vec2 canvasSize;\nuniform float radius;\n\nfloat random(vec2 p) {\n vec3 p3 = fract(vec3(p.xyx) * .1031);\n p3 += dot(p3, p3.yzx + 33.33);\n return fract((p3.x + p3.y) * p3.z);\n}\n\n// This isn't a real Gaussian weight, it's a quadratic weight. It's what the\n// CPU mode's blur uses though, so we also use it here to match.\nfloat quadWeight(float x, float e) {\n return pow(e-abs(x), 2.);\n}\n\nvoid main(){\n vec2 uv = vTexCoord;\n\n // A reasonable maximum number of samples\n const float maxSamples = 64.0;\n\n float numSamples = floor(7. * radius);\n if (fract(numSamples / 2.) == 0.) {\n numSamples++;\n }\n vec4 avg = vec4(0.0);\n float total = 0.0;\n\n // Calculate the spacing to avoid skewing if numSamples > maxSamples\n float spacing = 1.0;\n if (numSamples > maxSamples) {\n spacing = numSamples / maxSamples;\n numSamples = maxSamples;\n }\n\n float randomOffset = (spacing - 1.0) * mix(-0.5, 0.5, random(gl_FragCoord.xy));\n for (float i = 0.0; i < maxSamples; i++) {\n if (i >= numSamples) break;\n\n float sample = i * spacing - (numSamples - 1.0) * 0.5 * spacing + randomOffset;\n vec2 sampleCoord = uv + vec2(sample, sample) / canvasSize * direction;\n float weight = quadWeight(sample, (numSamples - 1.0) * 0.5 * spacing);\n\n avg += weight * texture2D(tex0, sampleCoord);\n total += weight;\n }\n\n avg /= total;\n gl_FragColor = avg;\n}\n"),j(e,l.POSTERIZE,"// Limit color space for a stylized cartoon / poster effect\n\nprecision highp float;\n\nvarying vec2 vTexCoord;\n\nuniform sampler2D tex0;\nuniform float filterParameter;\n\nvec3 quantize(vec3 color, float n) {\n // restrict values to N options/bins\n // and floor each channel to nearest value\n //\n // eg. when N = 5, values = 0.0, 0.25, 0.50, 0.75, 1.0\n // then quantize (0.1, 0.7, 0.9) -> (0.0, 0.5, 1.0)\n\n color = color * n;\n color = floor(color);\n color = color / (n - 1.0);\n return color;\n}\n\nvoid main() {\n vec4 color = texture2D(tex0, vTexCoord);\n\n vec3 restrictedColor = quantize(color.rgb / color.a, filterParameter);\n\n gl_FragColor = vec4(restrictedColor.rgb * color.a, color.a);\n}\n"),j(e,l.OPAQUE,"// Set alpha channel to entirely opaque\n\nprecision highp float;\n\nvarying vec2 vTexCoord;\n\nuniform sampler2D tex0;\n\nvoid main() {\n vec4 color = texture2D(tex0, vTexCoord);\n gl_FragColor = vec4(color.rgb / color.a, 1.0);\n}\n"),j(e,l.INVERT,"// Set each pixel to inverse value\n// Note that original INVERT does not change the opacity, so this follows suit\n\nprecision highp float;\n\nvarying vec2 vTexCoord;\n\nuniform sampler2D tex0;\n\nvoid main() {\nvec4 color = texture2D(tex0, vTexCoord);\nvec3 origColor = color.rgb / color.a;\nvec3 invertedColor = vec3(1.0) - origColor;\ngl_FragColor = vec4(invertedColor * color.a, color.a);\n}\n"),j(e,l.THRESHOLD,"// Convert pixels to either white or black, \n// depending on if their luma is above or below filterParameter\n\nprecision highp float;\n\nvarying vec2 vTexCoord;\n\nuniform sampler2D tex0;\nuniform float filterParameter;\n\nfloat luma(vec3 color) {\n // weighted grayscale with luminance values\n return dot(color, vec3(0.2126, 0.7152, 0.0722));\n}\n\nvoid main() {\n vec4 color = texture2D(tex0, vTexCoord);\n float gray = luma(color.rgb / color.a);\n // floor() used to match src/image/filters.js\n float threshold = floor(filterParameter * 255.0) / 255.0;\n float blackOrWhite = step(threshold, gray);\n gl_FragColor = vec4(vec3(blackOrWhite) * color.a, color.a);\n}\n");var k=e;function O(e,t,r,o,n,s,i,a,l,u){var c=t.getParameter(t.FRAMEBUFFER_BINDING),r=(t.bindFramebuffer(t.FRAMEBUFFER,r),a===t.RGBA?4:3),d=s*i*r,h=l===t.UNSIGNED_BYTE?Uint8Array:Float32Array;if(e instanceof h&&e.length===d||(e=new h(d)),t.readPixels(o,u?u-n-i:n,s,i,a,l,e),t.bindFramebuffer(t.FRAMEBUFFER,c),u)for(var f=Math.floor(i/2),p=new h(s*r),m=0;m>7,127&d,c>>7,127&c);for(var h=0;h>7,127&f,0,0)}}return{cellImageInfo:a,dimOffset:t,dimImageInfo:n}}}}]),t}();B.default.RendererGL.prototype._renderText=function(e,t,r,o,n){if(this._textFont&&"string"!=typeof this._textFont){if(!(n<=o)&&this._doFill){if(this._isOpenType()){e.push();var n=this._doStroke,s=this.drawMode,i=(this._doStroke=!1,this.drawMode=E.TEXTURE,this._textFont.font),a=(a=this._textFont._fontInfo)||(this._textFont._fontInfo=new M(i)),r=this._textFont._handleAlignment(this,t,r,o),o=this._textSize/i.unitsPerEm,l=(this.translate(r.x,r.y,0),this.scale(o,o,1),this.GL),r=!this._defaultFontShader,u=this._getFontShader(),c=(u.init(),u.bindShader(),r&&(u.setUniform("uGridImageSize",[64,64]),u.setUniform("uCellsImageSize",[64,64]),u.setUniform("uStrokeImageSize",[64,64]),u.setUniform("uGridSize",[9,9])),this._applyColorBlend(this.curFillColor),this.retainedMode.geometry.glyph),d=(c||((o=this._textGeom=new B.default.Geometry(1,1,function(){for(var e=0;e<=1;e++)for(var t=0;t<=1;t++)this.vertices.push(new B.default.Vector(t,e,0)),this.uvs.push(t,e)})).computeFaces().computeNormals(),c=this.createBuffers("glyph",o)),!0),r=!1,o=void 0;try{for(var h,f=this.retainedMode.buffers.text[Symbol.iterator]();!(d=(h=f.next()).done);d=!0)h.value._prepareBuffer(c,u)}catch(e){r=!0,o=e}finally{try{d||null==f.return||f.return()}finally{if(r)throw o}}this._bindBuffer(c.indexBuffer,l.ELEMENT_ARRAY_BUFFER),u.setUniform("uMaterialColor",this.curFillColor),l.pixelStorei(l.UNPACK_PREMULTIPLY_ALPHA_WEBGL,!1);try{var p=0,m=null,y=i.stringToGlyphs(t),g=!0,v=!1,b=void 0;try{for(var j,_=y[Symbol.iterator]();!(g=(j=_.next()).done);g=!0){var x,w,S=j.value,T=(m&&(p+=i.getKerningValue(m,S)),a.getGlyphInfo(S));T.uGlyphRect&&(x=T.rowInfo,w=T.colInfo,u.setUniform("uSamplerStrokes",T.strokeImageInfo.imageData),u.setUniform("uSamplerRowStrokes",x.cellImageInfo.imageData),u.setUniform("uSamplerRows",x.dimImageInfo.imageData),u.setUniform("uSamplerColStrokes",w.cellImageInfo.imageData),u.setUniform("uSamplerCols",w.dimImageInfo.imageData),u.setUniform("uGridOffset",T.uGridOffset),u.setUniform("uGlyphRect",T.uGlyphRect),u.setUniform("uGlyphOffset",p),u.bindTextures(),l.drawElements(l.TRIANGLES,6,this.GL.UNSIGNED_SHORT,0)),p+=S.advanceWidth,m=S}}catch(e){v=!0,b=e}finally{try{g||null==_.return||_.return()}finally{if(v)throw b}}}finally{u.unbindShader(),this._doStroke=n,this.drawMode=s,l.pixelStorei(l.UNPACK_PREMULTIPLY_ALPHA_WEBGL,!0),e.pop()}}else console.log("WEBGL: only Opentype (.otf) and Truetype (.ttf) fonts are supported");return e}}else console.log("WEBGL: you must load and set a font before drawing text. See `loadFont` and `textFont` for more details.")}},{"../core/constants":272,"../core/main":283,"./p5.RendererGL.Retained":340,"./p5.Shader":342,"core-js/modules/es.array.iterator":165,"core-js/modules/es.object.get-own-property-descriptor":186,"core-js/modules/es.object.to-string":190,"core-js/modules/es.regexp.exec":195,"core-js/modules/es.string.iterator":200,"core-js/modules/es.string.split":206,"core-js/modules/es.string.sub":208,"core-js/modules/es.symbol":212,"core-js/modules/es.symbol.description":210,"core-js/modules/es.symbol.iterator":211,"core-js/modules/es.weak-map":244,"core-js/modules/web.dom-collections.iterator":246}]},{},[267])(267)}); \ No newline at end of file diff --git a/examples/instance-mode/01-monochromatic-grain/sketch.js b/examples/instance-mode/01-monochromatic-grain/sketch.js index c570589..51953a7 100644 --- a/examples/instance-mode/01-monochromatic-grain/sketch.js +++ b/examples/instance-mode/01-monochromatic-grain/sketch.js @@ -9,6 +9,9 @@ const reusableSketch = (sketch) => { // Apply monochromatic grain sketch.applyMonochromaticGrain(42); + + sketch.textSize(28); + sketch.text('instance 1:', 14, 36); } sketch.drawArtwork = () => { @@ -51,6 +54,9 @@ let myp5_2 = new p5((sketch) => { // draw the graphics buffer to the sketch's canvas sketch.image(pg, sketch.width/2-70, sketch.height/2-70); + + sketch.textSize(28); + sketch.text('instance 2:', 14, 36); } sketch.windowResized = () => { diff --git a/examples/instance-mode/02-chromatic-grain/lib/p5.grain.min.js b/examples/instance-mode/02-chromatic-grain/lib/p5.grain.min.js index 5f132fa..bdb8a1b 100644 --- a/examples/instance-mode/02-chromatic-grain/lib/p5.grain.min.js +++ b/examples/instance-mode/02-chromatic-grain/lib/p5.grain.min.js @@ -1,8 +1,8 @@ /**! * p5.grain * - * @version 0.7.0 + * @version 0.8.0 * @license MIT * @copyright meezwhite, Gorilla Sun */ -class P5Grain{version="0.7.0";instance;#t;#i;#n;constructor(){this.#t=Math.random,this.#i={frameCount:0},this.#n={frameCount:0,tX_anchor:0,tX:0,tY:0}}setup(t){void 0===t?this.#t=random:"object"==typeof t&&("function"==typeof t.random&&(this.#t=t.random),"object"==typeof t.instance&&(this.instance=t.instance))}granulateSimple(t,i,n){this.applyMonochromaticGrain(t,i,n)}applyMonochromaticGrain(t,i,n){const e=this.instance?this.instance.round(t):round(t),a=i||!1;n?n.loadPixels():this.instance?this.instance.loadPixels():loadPixels();const s=n?n.pixelDensity():this.instance?this.instance.pixelDensity():pixelDensity(),r=(n?n.width:this.instance?this.instance.width:width)*s*4*((n?n.height:this.instance?this.instance.height:height)*s),h=n?n.pixels:this.instance?this.instance.pixels:pixels;for(let t=0;t=n){const n=i&&i.amount?this.instance?this.instance.round(i.amount):round(i.amount):this.instance?this.instance.min(this.instance.width,this.instance.height):min(width,height),e=this.#t()*n,a=this.#t()*n,s=this.instance?this.instance.floor(e):floor(e),r=this.instance?this.instance.floor(a):floor(a),h=`${s}px ${r}px`;t instanceof HTMLElement?t.style.backgroundPosition=h:t instanceof SVGElement?(t.style.top=-r+"px",t.style.left=-s+"px"):t instanceof p5.Element&&t.style("background-position",h),this.#i.frameCount=0}}textureOverlay(t,i,n){const e=n instanceof p5.Graphics,a=e?n.width:this.instance?this.instance.width:width,s=e?n.height:this.instance?this.instance.height:height,r=i&&i.mode?i.mode:this.instance?this.instance.MULTIPLY:MULTIPLY,h=!(!i||!i.reflect)&&i.reflect,o=!(!i||!i.animate)&&i.animate,c=i&&i.animate&&i.animate.atFrame?this.instance?this.instance.round(i.animate.atFrame):round(i.animate.atFrame):2,l=i&&i.animate&&i.animate.amount?this.instance?this.instance.round(i.animate.amount):round(i.animate.amount):this.instance?this.instance.min(a,s):min(a,s),p=i&&"number"==typeof i.width?i.width:t.width,u=i&&"number"==typeof i.height?i.height:t.height;if(o&&(this.#n.frameCount+=1,this.#n.frameCount>=c)){const t=this.#t()*l,i=this.#t()*l;this.#n.tX_anchor=this.instance?-this.instance.floor(t):-floor(t),this.#n.tY=this.instance?-this.instance.floor(i):-floor(i),this.#n.frameCount=0}let m=this.#n.tX_anchor,d=this.#n.tY,x=!0,g=!0;for(n?n.blendMode(r):this.instance?this.instance.blendMode(r):blendMode(r);d=a){g=!0,m=this.#n.tX_anchor,d+=u;break}g=!g}x=!x}n?n.blendMode(this.instance?this.instance.BLEND:BLEND):this.instance?this.instance.blendMode(this.instance.BLEND):blendMode(BLEND),e&&n.reset()}#e(t,i){return t=Math.ceil(t),i=Math.floor(i),Math.floor(this.#t()*(i-t+1)+t)}}const p5grain=new P5Grain;p5.prototype.granulateSimple=function(t,i){return p5grain.granulateSimple(t,i)},p5.Graphics.prototype.granulateSimple=function(t,i){return p5grain.granulateSimple(t,i,this)},p5.prototype.granulateChannels=function(t,i){return p5grain.granulateChannels(t,i)},p5.Graphics.prototype.granulateChannels=function(t,i){return p5grain.granulateChannels(t,i,this)},p5.prototype.applyMonochromaticGrain=function(t,i){return p5grain.applyMonochromaticGrain(t,i)},p5.Graphics.prototype.applyMonochromaticGrain=function(t,i){return p5grain.applyMonochromaticGrain(t,i,this)},p5.prototype.applyChromaticGrain=function(t,i){return p5grain.applyChromaticGrain(t,i)},p5.Graphics.prototype.applyChromaticGrain=function(t,i){return p5grain.applyChromaticGrain(t,i,this)},p5.prototype.tinkerPixels=function(t,i){return p5grain.tinkerPixels(t,i)},p5.Graphics.prototype.tinkerPixels=function(t,i){return p5grain.tinkerPixels(t,i,this)},p5.prototype.loopPixels=function(t,i){return p5grain.loopPixels(t,i)},p5.Graphics.prototype.loopPixels=function(t,i){return p5grain.loopPixels(t,i,this)},p5.prototype.textureAnimate=function(t,i){return p5grain.textureAnimate(t,i)},p5.prototype.textureOverlay=function(t,i){return p5grain.textureOverlay(t,i)},p5.Graphics.prototype.textureOverlay=function(t,i){return p5grain.textureOverlay(t,i,this)}; +class P5Grain{version="0.8.0";instance;#t;#i;#e;#n;#a;constructor(){this.#s("float"),this.#n={frameCount:0},this.#a={frameCount:0,tX_anchor:0,tX:0,tY:0}}setup(t){"object"==typeof t&&("function"==typeof t.random&&(this.#t=t.random),"string"==typeof t.randomMode&&this.#s(t.randomMode),"object"==typeof t.instance&&(this.instance=t.instance)),void 0===this.#t&&(this.#t=p5.prototype.random)}applyMonochromaticGrain(t,i,e){const n=i||!1;let a,s,r,o;e?(e.loadPixels(),a=e.pixelDensity(),s=e.width,r=e.height,o=e.pixels):this.instance?(this.instance.loadPixels(),a=this.instance.pixelDensity(),s=this.instance.width,r=this.instance.height,o=this.instance.pixels):(loadPixels(),a=pixelDensity(),s=width,r=height,o=pixels);const h=s*a*4*(r*a),{min:p,max:c}=this.#r(-t,t);for(let t=0;t=e){const e=i&&i.amount?Math.round(i.amount):this.instance?Math.min(this.instance.width,this.instance.height):Math.min(width,height),n=this.#t()*e,a=this.#t()*e,s=Math.floor(n),r=Math.floor(a),o=`${s}px ${r}px`;t instanceof HTMLElement?t.style.backgroundPosition=o:t instanceof SVGElement?(t.style.top=-r+"px",t.style.left=-s+"px"):t instanceof p5.Element&&t.style("background-position",o),this.#n.frameCount=0}}textureOverlay(t,i,e){const n=e instanceof p5.Graphics;let a,s;n?(a=e.width,s=e.height):this.instance?(a=this.instance.width,s=this.instance.height):(a=width,s=height);const r=i&&i.mode?i.mode:this.instance?this.instance.MULTIPLY:MULTIPLY,o=!(!i||!i.reflect)&&i.reflect,h=!(!i||!i.animate)&&i.animate,p=i&&i.animate&&i.animate.atFrame?Math.round(i.animate.atFrame):2,c=i&&i.animate&&i.animate.amount?Math.round(i.animate.amount):Math.min(a,s),l=i&&"number"==typeof i.width?i.width:t.width,m=i&&"number"==typeof i.height?i.height:t.height;if(h&&(this.#a.frameCount+=1,this.#a.frameCount>=p)){const t=this.#t()*c,i=this.#t()*c;this.#a.tX_anchor=-Math.floor(t),this.#a.tY=-Math.floor(i),this.#a.frameCount=0}let d=this.#a.tX_anchor,u=this.#a.tY,x=!0,y=!0;for(e?e.blendMode(r):this.instance?this.instance.blendMode(r):blendMode(r);u=a){y=!0,d=this.#a.tX_anchor,u+=m;break}y=!y}x=!x}e?e.blendMode(this.instance?this.instance.BLEND:BLEND):this.instance?this.instance.blendMode(this.instance.BLEND):blendMode(BLEND),n&&e.reset()}#s(t){switch(t){case"int":this.#e=1,this.#i=this.#o;break;case"float":this.#e=0,this.#i=this.#h}}#r(t,i){return 1==this.#e?{min:Math.ceil(t),max:Math.floor(i)}:{min:t,max:i}}#o(t,i){return Math.floor(this.#t()*(i-t+1)+t)}#h(t,i){return this.#t()*(i-t)+t}}const p5grain=new P5Grain;p5.prototype.applyMonochromaticGrain=function(t,i){return p5grain.applyMonochromaticGrain(t,i)},p5.Graphics.prototype.applyMonochromaticGrain=function(t,i){return p5grain.applyMonochromaticGrain(t,i,this)},p5.Image.prototype.applyMonochromaticGrain=function(t,i){return p5grain.applyMonochromaticGrain(t,i,this)},p5.prototype.applyChromaticGrain=function(t,i){return p5grain.applyChromaticGrain(t,i)},p5.Graphics.prototype.applyChromaticGrain=function(t,i){return p5grain.applyChromaticGrain(t,i,this)},p5.Image.prototype.applyChromaticGrain=function(t,i){return p5grain.applyChromaticGrain(t,i,this)},p5.prototype.tinkerPixels=function(t,i){return p5grain.tinkerPixels(t,i)},p5.Graphics.prototype.tinkerPixels=function(t,i){return p5grain.tinkerPixels(t,i,this)},p5.Image.prototype.tinkerPixels=function(t,i){return p5grain.tinkerPixels(t,i,this)},p5.prototype.loopPixels=function(t,i){return p5grain.loopPixels(t,i)},p5.Graphics.prototype.loopPixels=function(t,i){return p5grain.loopPixels(t,i,this)},p5.Image.prototype.loopPixels=function(t,i){return p5grain.loopPixels(t,i,this)},p5.prototype.textureAnimate=function(t,i){return p5grain.textureAnimate(t,i)},p5.prototype.textureOverlay=function(t,i){return p5grain.textureOverlay(t,i)},p5.Graphics.prototype.textureOverlay=function(t,i){return p5grain.textureOverlay(t,i,this)}; 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e=this.canvas.id;JSON.stringify(this.ingredients.shapes)!==this.ingredients.pShapes&&(this.ingredients.pShapes=JSON.stringify(this.ingredients.shapes),this._accessibleOutputs.text&&this._updateTextOutput(e+"textOutput"),this._accessibleOutputs.grid&&this._updateGridOutput(e+"gridOutput"),this._accessibleOutputs.textLabel&&this._updateTextOutput(e+"textOutputLabel"),this._accessibleOutputs.gridLabel&&this._updateGridOutput(e+"gridOutputLabel"))},o.default.prototype._accsBackground=function(e){this.ingredients.pShapes=JSON.stringify(this.ingredients.shapes),this.ingredients.shapes={},this.ingredients.colors.backgroundRGBA!==e&&(this.ingredients.colors.backgroundRGBA=e,this.ingredients.colors.background=this._rgbColorName(e))},o.default.prototype._accsCanvasColors=function(e,t){"fill"===e?this.ingredients.colors.fillRGBA!==t&&(this.ingredients.colors.fillRGBA=t,this.ingredients.colors.fill=this._rgbColorName(t)):"stroke"===e&&this.ingredients.colors.strokeRGBA!==t&&(this.ingredients.colors.strokeRGBA=t,this.ingredients.colors.stroke=this._rgbColorName(t))},o.default.prototype._accsOutput=function(e,t){"ellipse"===e&&t[2]===t[3]?e="circle":"rectangle"===e&&t[2]===t[3]&&(e="square");var r,o,n={},s=!0,i=function(e,t){var r;e="rectangle"===e||"ellipse"===e||"arc"===e||"circle"===e||"square"===e?(r=Math.round(t[0]+t[2]/2),Math.round(t[1]+t[3]/2)):"triangle"===e?(r=(t[0]+t[2]+t[4])/3,(t[1]+t[3]+t[5])/3):"quadrilateral"===e?(r=(t[0]+t[2]+t[4]+t[6])/4,(t[1]+t[3]+t[5]+t[7])/4):"line"===e?(r=(t[0]+t[2])/2,(t[1]+t[3])/2):(r=t[0],t[1]);return[r,e]}(e,t);if("line"===e?(n.color=this.ingredients.colors.stroke,n.length=Math.round(this.dist(t[0],t[1],t[2],t[3])),r=this._getPos(t[0],[1]),o=this._getPos(t[2],[3]),n.loc=u(i,this.width,this.height),n.pos=r===o?"at ".concat(r):"from ".concat(r," to ").concat(o)):("point"===e?n.color=this.ingredients.colors.stroke:(n.color=this.ingredients.colors.fill,n.area=this._getArea(e,t)),n.pos=this._getPos.apply(this,l(i)),n.loc=u(i,this.width,this.height)),this.ingredients.shapes[e]){if(this.ingredients.shapes[e]!==[n]){for(var a in this.ingredients.shapes[e])JSON.stringify(this.ingredients.shapes[e][a])===JSON.stringify(n)&&(s=!1);!0===s&&this.ingredients.shapes[e].push(n)}}else this.ingredients.shapes[e]=[n]},o.default.prototype._getPos=function(e,t){var e=new DOMPointReadOnly(e,t),t=this._renderer.isP3D?new DOMMatrix(this._renderer.uMVMatrix.mat4):this.drawingContext.getTransform(),e=e.matrixTransform(t),t=e.x,e=e.y,r=this.width,o=this.height;return t<.4*r?e<.4*o?"top left":.6*oMath.PI?n+=o:n-=o)):"ellipse"===e||"circle"===e?n=3.14*t[2]/2*t[3]/2:"line"===e||"point"===e?n=0:"quadrilateral"===e?n=Math.abs((t[6]+t[0])*(t[7]-t[1])+(t[0]+t[2])*(t[1]-t[3])+(t[2]+t[4])*(t[3]-t[5])+(t[4]+t[6])*(t[5]-t[7]))/2:"rectangle"===e||"square"===e?n=t[2]*t[3]:"triangle"===e&&(n=Math.abs(t[0]*(t[3]-t[5])+t[2]*(t[5]-t[1])+t[4]*(t[1]-t[3]))/2),this.width*this._pixelDensity),i=this.height*this._pixelDensity,a=[new DOMPoint(0,0),new DOMPoint(s,0),new DOMPoint(s,i),new DOMPoint(0,i)],l=(this._renderer.isP3D?new 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strict";e("core-js/modules/es.array.concat"),e("core-js/modules/es.array.concat"),Object.defineProperty(r,"__esModule",{value:!0}),r.default=void 0;e=(e=e("../core/main"))&&e.__esModule?e:{default:e};e.default.prototype._updateTextOutput=function(e){var t,r,o,n;this.dummyDOM.querySelector("#".concat(e,"_summary"))&&(t=this._accessibleOutputs[e],o=function(e,t,r,o){r="Your output is a, ".concat(r," by ").concat(o," pixels, ").concat(t," canvas containing the following");r=1===e?"".concat(r," shape:"):"".concat(r," ").concat(e," shapes:");return r}((r=function(e,t){var r,o="",n=0;for(r in t)for(var s in t[r]){var i='
              • ').concat(t[r][s].color," ").concat(r,"");"line"===r?i+=", ".concat(t[r][s].pos,", ").concat(t[r][s].length," pixels long.
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curve (after t1)?\n if (y1 ? !y2 : y0) {\n // add the coverage for t1\n coverage.x += saturate(C1.x + 0.5);\n // calculate the anti-aliasing for t1\n weight.x = min(weight.x, abs(C1.x));\n }\n\n // are we outside the curve (after t2)?\n if (y1 ? !y0 : y2) {\n // subtract the coverage for t2\n coverage.x -= saturate(C2.x + 0.5);\n // calculate the anti-aliasing for t2\n weight.x = min(weight.x, abs(C2.x));\n }\n}\n\n// this is essentially the same as coverageX, but with the axes swapped\nvoid coverageY(vec2 p0, vec2 p1, vec2 p2) {\n\n vec2 C1, C2;\n calulateCrossings(p0, p1, p2, C1, C2);\n\n bool x0 = p0.x > vTexCoord.x;\n bool x1 = p1.x > vTexCoord.x;\n bool x2 = p2.x > vTexCoord.x;\n\n if (x1 ? !x2 : x0) {\n coverage.y -= saturate(C1.y + 0.5);\n weight.y = min(weight.y, abs(C1.y));\n }\n\n if (x1 ? !x0 : x2) {\n coverage.y += saturate(C2.y + 0.5);\n weight.y = min(weight.y, abs(C2.y));\n }\n}\n\nvoid main() {\n\n // calculate the pixel scale based on screen-coordinates\n pixelScale = hardness / fwidth(vTexCoord);\n\n // which grid cell is this pixel in?\n ivec2 gridCoord = ifloor(vTexCoord * vec2(uGridSize));\n\n // intersect curves in this row\n {\n // the index into the row info bitmap\n int rowIndex = gridCoord.y + uGridOffset.y;\n // fetch the info texel\n vec4 rowInfo = getTexel(uSamplerRows, rowIndex, uGridImageSize);\n // unpack the rowInfo\n int rowStrokeIndex = getInt16(rowInfo.xy);\n int rowStrokeCount = getInt16(rowInfo.zw);\n\n for (int iRowStroke = INT(0); iRowStroke < N; iRowStroke++) {\n if (iRowStroke >= rowStrokeCount)\n break;\n\n // each stroke is made up of 3 points: the start and control point\n // and the start of the next curve.\n // fetch the indices of this pair of strokes:\n vec4 strokeIndices = getTexel(uSamplerRowStrokes, rowStrokeIndex++, uCellsImageSize);\n\n // unpack the stroke index\n int strokePos = getInt16(strokeIndices.xy);\n\n // fetch the two strokes\n vec4 stroke0 = getTexel(uSamplerStrokes, strokePos + INT(0), uStrokeImageSize);\n vec4 stroke1 = getTexel(uSamplerStrokes, strokePos + INT(1), uStrokeImageSize);\n\n // calculate the coverage\n coverageX(stroke0.xy, stroke0.zw, stroke1.xy);\n }\n }\n\n // intersect curves in this column\n {\n int colIndex = gridCoord.x + uGridOffset.x;\n vec4 colInfo = getTexel(uSamplerCols, colIndex, uGridImageSize);\n int colStrokeIndex = getInt16(colInfo.xy);\n int colStrokeCount = getInt16(colInfo.zw);\n \n for (int iColStroke = INT(0); iColStroke < N; iColStroke++) {\n if (iColStroke >= colStrokeCount)\n break;\n\n vec4 strokeIndices = getTexel(uSamplerColStrokes, colStrokeIndex++, uCellsImageSize);\n\n int strokePos = getInt16(strokeIndices.xy);\n vec4 stroke0 = getTexel(uSamplerStrokes, strokePos + INT(0), uStrokeImageSize);\n vec4 stroke1 = getTexel(uSamplerStrokes, strokePos + INT(1), uStrokeImageSize);\n coverageY(stroke0.xy, stroke0.zw, stroke1.xy);\n }\n }\n\n weight = saturate(1.0 - weight * 2.0);\n float distance = max(weight.x + weight.y, minDistance); // manhattan approx.\n float antialias = abs(dot(coverage, weight) / distance);\n float cover = min(abs(coverage.x), abs(coverage.y));\n OUT_COLOR = vec4(uMaterialColor.rgb, 1.) * uMaterialColor.a;\n OUT_COLOR *= saturate(max(antialias, cover));\n}\n",lineVert:T+"/*\n Part of the Processing project - http://processing.org\n Copyright (c) 2012-15 The Processing Foundation\n Copyright (c) 2004-12 Ben Fry and Casey Reas\n Copyright (c) 2001-04 Massachusetts Institute of Technology\n This library is free software; you can redistribute it and/or\n modify it under the terms of the GNU Lesser General Public\n License as published by the Free Software Foundation, version 2.1.\n This library is distributed in the hope that it will be useful,\n but WITHOUT ANY WARRANTY; without even the implied warranty of\n MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU\n Lesser General Public License for more details.\n You should have received a copy of the GNU Lesser General\n Public License along with this library; if not, write to the\n Free Software Foundation, Inc., 59 Temple Place, Suite 330,\n Boston, MA 02111-1307 USA\n*/\n\n#define PROCESSING_LINE_SHADER\n\nprecision mediump int;\n\nuniform mat4 uModelViewMatrix;\nuniform mat4 uProjectionMatrix;\nuniform float uStrokeWeight;\n\nuniform bool uUseLineColor;\nuniform vec4 uMaterialColor;\n\nuniform vec4 uViewport;\nuniform int uPerspective;\nuniform int uStrokeJoin;\n\nIN vec4 aPosition;\nIN vec3 aTangentIn;\nIN vec3 aTangentOut;\nIN float aSide;\nIN vec4 aVertexColor;\n\nOUT vec4 vColor;\nOUT vec2 vTangent;\nOUT vec2 vCenter;\nOUT vec2 vPosition;\nOUT float vMaxDist;\nOUT float vCap;\nOUT float vJoin;\n\nvec2 lineIntersection(vec2 aPoint, vec2 aDir, vec2 bPoint, vec2 bDir) {\n // Rotate and translate so a starts at the origin and goes out to the right\n bPoint -= aPoint;\n vec2 rotatedBFrom = vec2(\n bPoint.x*aDir.x + bPoint.y*aDir.y,\n bPoint.y*aDir.x - bPoint.x*aDir.y\n );\n vec2 bTo = bPoint + bDir;\n vec2 rotatedBTo = vec2(\n bTo.x*aDir.x + bTo.y*aDir.y,\n bTo.y*aDir.x - bTo.x*aDir.y\n );\n float intersectionDistance =\n rotatedBTo.x + (rotatedBFrom.x - rotatedBTo.x) * rotatedBTo.y /\n (rotatedBTo.y - rotatedBFrom.y);\n return aPoint + aDir * intersectionDistance;\n}\n\nvoid main() {\n // Caps have one of either the in or out tangent set to 0\n vCap = (aTangentIn == vec3(0.)) != (aTangentOut == (vec3(0.)))\n ? 1. : 0.;\n\n // Joins have two unique, defined tangents\n vJoin = (\n aTangentIn != vec3(0.) &&\n aTangentOut != vec3(0.) &&\n aTangentIn != aTangentOut\n ) ? 1. : 0.;\n\n vec4 posp = uModelViewMatrix * aPosition;\n vec4 posqIn = uModelViewMatrix * (aPosition + vec4(aTangentIn, 0));\n vec4 posqOut = uModelViewMatrix * (aPosition + vec4(aTangentOut, 0));\n\n float facingCamera = pow(\n // The word space tangent's z value is 0 if it's facing the camera\n abs(normalize(posqIn-posp).z),\n\n // Using pow() here to ramp `facingCamera` up from 0 to 1 really quickly\n // so most lines get scaled and don't get clipped\n 0.25\n );\n\n // using a scale <1 moves the lines towards the camera\n // in order to prevent popping effects due to half of\n // the line disappearing behind the geometry faces.\n float scale = mix(1., 0.995, facingCamera);\n\n // Moving vertices slightly toward the camera\n // to avoid depth-fighting with the fill triangles.\n // Discussed here:\n // http://www.opengl.org/discussion_boards/ubbthreads.php?ubb=showflat&Number=252848 \n posp.xyz = posp.xyz * scale;\n posqIn.xyz = posqIn.xyz * scale;\n posqOut.xyz = posqOut.xyz * scale;\n\n vec4 p = uProjectionMatrix * posp;\n vec4 qIn = uProjectionMatrix * posqIn;\n vec4 qOut = uProjectionMatrix * posqOut;\n vCenter = p.xy;\n\n // formula to convert from clip space (range -1..1) to screen space (range 0..[width or height])\n // screen_p = (p.xy/p.w + <1,1>) * 0.5 * uViewport.zw\n\n // prevent division by W by transforming the tangent formula (div by 0 causes\n // the line to disappear, see https://github.com/processing/processing/issues/5183)\n // t = screen_q - screen_p\n //\n // tangent is normalized and we don't care which aDirection it points to (+-)\n // t = +- normalize( screen_q - screen_p )\n // t = +- normalize( (q.xy/q.w+<1,1>)*0.5*uViewport.zw - (p.xy/p.w+<1,1>)*0.5*uViewport.zw )\n //\n // extract common factor, <1,1> - <1,1> cancels out\n // t = +- normalize( (q.xy/q.w - p.xy/p.w) * 0.5 * uViewport.zw )\n //\n // convert to common divisor\n // t = +- normalize( ((q.xy*p.w - p.xy*q.w) / (p.w*q.w)) * 0.5 * uViewport.zw )\n //\n // remove the common scalar divisor/factor, not needed due to normalize and +-\n // (keep uViewport - can't remove because it has different components for x and y\n // and corrects for aspect ratio, see https://github.com/processing/processing/issues/5181)\n // t = +- normalize( (q.xy*p.w - p.xy*q.w) * uViewport.zw )\n\n vec2 tangentIn = normalize((qIn.xy*p.w - p.xy*qIn.w) * uViewport.zw);\n vec2 tangentOut = normalize((qOut.xy*p.w - p.xy*qOut.w) * uViewport.zw);\n\n vec2 curPerspScale;\n if(uPerspective == 1) {\n // Perspective ---\n // convert from world to clip by multiplying with projection scaling factor\n // to get the right thickness (see https://github.com/processing/processing/issues/5182)\n\n // The y value of the projection matrix may be flipped if rendering to a Framebuffer.\n // Multiplying again by its sign here negates the flip to get just the scale.\n curPerspScale = (uProjectionMatrix * vec4(1, sign(uProjectionMatrix[1][1]), 0, 0)).xy;\n } else {\n // No Perspective ---\n // multiply by W (to cancel out division by W later in the pipeline) and\n // convert from screen to clip (derived from clip to screen above)\n curPerspScale = p.w / (0.5 * uViewport.zw);\n }\n\n vec2 offset;\n if (vJoin == 1.) {\n vTangent = normalize(tangentIn + tangentOut);\n vec2 normalIn = vec2(-tangentIn.y, tangentIn.x);\n vec2 normalOut = vec2(-tangentOut.y, tangentOut.x);\n float side = sign(aSide);\n float sideEnum = abs(aSide);\n\n // We generate vertices for joins on either side of the centerline, but\n // the \"elbow\" side is the only one needing a join. By not setting the\n // offset for the other side, all its vertices will end up in the same\n // spot and not render, effectively discarding it.\n if (sign(dot(tangentOut, vec2(-tangentIn.y, tangentIn.x))) != side) {\n // Side enums:\n // 1: the side going into the join\n // 2: the middle of the join\n // 3: the side going out of the join\n if (sideEnum == 2.) {\n // Calculate the position + tangent on either side of the join, and\n // find where the lines intersect to find the elbow of the join\n vec2 c = (posp.xy/posp.w + vec2(1.,1.)) * 0.5 * uViewport.zw;\n vec2 intersection = lineIntersection(\n c + (side * normalIn * uStrokeWeight / 2.),\n tangentIn,\n c + (side * normalOut * uStrokeWeight / 2.),\n tangentOut\n );\n offset = (intersection - c);\n\n // When lines are thick and the angle of the join approaches 180, the\n // elbow might be really far from the center. We'll apply a limit to\n // the magnitude to avoid lines going across the whole screen when this\n // happens.\n float mag = length(offset);\n float maxMag = 3. * uStrokeWeight;\n if (mag > maxMag) {\n offset *= maxMag / mag;\n }\n } else if (sideEnum == 1.) {\n offset = side * normalIn * uStrokeWeight / 2.;\n } else if (sideEnum == 3.) {\n offset = side * normalOut * uStrokeWeight / 2.;\n }\n }\n if (uStrokeJoin == STROKE_JOIN_BEVEL) {\n vec2 avgNormal = vec2(-vTangent.y, vTangent.x);\n vMaxDist = abs(dot(avgNormal, normalIn * uStrokeWeight / 2.));\n } else {\n vMaxDist = uStrokeWeight / 2.;\n }\n } else {\n vec2 tangent = aTangentIn == vec3(0.) ? tangentOut : tangentIn;\n vTangent = tangent;\n vec2 normal = vec2(-tangent.y, tangent.x);\n\n float normalOffset = sign(aSide);\n // Caps will have side values of -2 or 2 on the edge of the cap that\n // extends out from the line\n float tangentOffset = abs(aSide) - 1.;\n offset = (normal * normalOffset + tangent * tangentOffset) *\n uStrokeWeight * 0.5;\n vMaxDist = uStrokeWeight / 2.;\n }\n vPosition = vCenter + offset;\n\n gl_Position.xy = p.xy + offset.xy * curPerspScale;\n gl_Position.zw = p.zw;\n \n vColor = (uUseLineColor ? aVertexColor : uMaterialColor);\n}\n",lineFrag:T+"precision mediump int;\n\nuniform vec4 uMaterialColor;\nuniform int uStrokeCap;\nuniform int uStrokeJoin;\nuniform float uStrokeWeight;\n\nIN vec4 vColor;\nIN vec2 vTangent;\nIN vec2 vCenter;\nIN vec2 vPosition;\nIN float vMaxDist;\nIN float vCap;\nIN float vJoin;\n\nfloat distSquared(vec2 a, vec2 b) {\n vec2 aToB = b - a;\n return dot(aToB, aToB);\n}\n\nvoid main() {\n if (vCap > 0.) {\n if (\n uStrokeCap == STROKE_CAP_ROUND &&\n distSquared(vPosition, vCenter) > uStrokeWeight * uStrokeWeight * 0.25\n ) {\n discard;\n } else if (\n uStrokeCap == STROKE_CAP_SQUARE &&\n dot(vPosition - vCenter, vTangent) > 0.\n ) {\n discard;\n }\n // Use full area for PROJECT\n } else if (vJoin > 0.) {\n if (\n uStrokeJoin == STROKE_JOIN_ROUND &&\n distSquared(vPosition, vCenter) > uStrokeWeight * uStrokeWeight * 0.25\n ) {\n discard;\n } else if (uStrokeJoin == STROKE_JOIN_BEVEL) {\n vec2 normal = vec2(-vTangent.y, vTangent.x);\n if (abs(dot(vPosition - vCenter, normal)) > vMaxDist) {\n discard;\n }\n }\n // Use full area for MITER\n }\n OUT_COLOR = vec4(vColor.rgb, 1.) * vColor.a;\n}\n",pointVert:"IN vec3 aPosition;\nuniform float uPointSize;\nOUT float vStrokeWeight;\nuniform mat4 uModelViewMatrix;\nuniform mat4 uProjectionMatrix;\nvoid main() {\n\tvec4 positionVec4 = vec4(aPosition, 1.0);\n\tgl_Position = uProjectionMatrix * uModelViewMatrix * positionVec4;\n\tgl_PointSize = uPointSize;\n\tvStrokeWeight = uPointSize;\n}\n",pointFrag:"precision mediump int;\nuniform vec4 uMaterialColor;\nIN float vStrokeWeight;\n\nvoid main(){\n float mask = 0.0;\n\n // make a circular mask using the gl_PointCoord (goes from 0 - 1 on a point)\n // might be able to get a nicer edge on big strokeweights with smoothstep but slightly less performant\n\n mask = step(0.98, length(gl_PointCoord * 2.0 - 1.0));\n\n // if strokeWeight is 1 or less lets just draw a square\n // this prevents weird artifacting from carving circles when our points are really small\n // if strokeWeight is larger than 1, we just use it as is\n\n mask = mix(0.0, mask, clamp(floor(vStrokeWeight - 0.5),0.0,1.0));\n\n // throw away the borders of the mask\n // otherwise we get weird alpha blending issues\n\n if(mask > 0.98){\n discard;\n }\n\n OUT_COLOR = vec4(uMaterialColor.rgb, 1.) * uMaterialColor.a;\n}\n",imageLightVert:"precision highp float;\nattribute vec3 aPosition;\nattribute vec3 aNormal;\nattribute vec2 aTexCoord;\n\nvarying vec3 localPos;\nvarying vec3 vWorldNormal;\nvarying vec3 vWorldPosition;\nvarying vec2 vTexCoord;\n\nuniform mat4 uModelViewMatrix;\nuniform mat4 uProjectionMatrix;\nuniform mat3 uNormalMatrix;\n\nvoid main() {\n // Multiply the position by the matrix.\n vec4 viewModelPosition = uModelViewMatrix * vec4(aPosition, 1.0);\n gl_Position = uProjectionMatrix * viewModelPosition; \n \n // orient the normals and pass to the fragment shader\n vWorldNormal = uNormalMatrix * aNormal;\n \n // send the view position to the fragment shader\n vWorldPosition = (uModelViewMatrix * vec4(aPosition, 1.0)).xyz;\n \n localPos = vWorldPosition;\n vTexCoord = aTexCoord;\n}\n\n\n/*\nin the vertex shader we'll compute the world position and world oriented normal of the vertices and pass those to the fragment shader as varyings.\n*/\n",imageLightDiffusedFrag:"precision highp float;\nvarying vec3 localPos;\n\n// the HDR cubemap converted (can be from an equirectangular environment map.)\nuniform sampler2D environmentMap;\nvarying vec2 vTexCoord;\n\nconst float PI = 3.14159265359;\n\nvec2 nTOE( vec3 v ){\n // x = r sin(phi) cos(theta) \n // y = r cos(phi) \n // z = r sin(phi) sin(theta)\n float phi = acos( v.y );\n // if phi is 0, then there are no x, z components\n float theta = 0.0;\n // else \n theta = acos(v.x / sin(phi));\n float sinTheta = v.z / sin(phi);\n if (sinTheta < 0.0) {\n // Turn it into -theta, but in the 0-2PI range\n theta = 2.0 * PI - theta;\n }\n theta = theta / (2.0 * 3.14159);\n phi = phi / 3.14159 ;\n \n vec2 angles = vec2( phi, theta );\n return angles;\n}\n\nvoid main()\n{ \t \n\t// the sample direction equals the hemisphere's orientation\n float phi = vTexCoord.x * 2.0 * PI;\n float theta = vTexCoord.y * PI;\n float x = sin(theta) * cos(phi);\n float y = sin(theta) * sin(phi);\n float z = cos(theta);\n vec3 normal = vec3( x, y, z);\n\n\t// Discretely sampling the hemisphere given the integral's\n // spherical coordinates translates to the following fragment code:\n\tvec3 irradiance = vec3(0.0); \n\tvec3 up\t= vec3(0.0, 1.0, 0.0);\n\tvec3 right = normalize(cross(up, normal));\n\tup = normalize(cross(normal, right));\n\n\t// We specify a fixed sampleDelta delta value to traverse\n // the hemisphere; decreasing or increasing the sample delta\n // will increase or decrease the accuracy respectively.\n\tconst float sampleDelta = 0.025;\n\tfloat nrSamples = 0.0;\n \n\tfor(float phi = 0.0; phi < 2.0 * PI; phi += sampleDelta)\n\t{\n for(float theta = 0.0; theta < ( 0.5 ) * PI; theta += sampleDelta)\n {\n // spherical to cartesian (in tangent space) // tangent space to world // add each sample result to irradiance\n float x = sin(theta) * cos(phi);\n float y = sin(theta) * sin(phi);\n float z = cos(theta);\n vec3 tangentSample = vec3( x, y, z);\n \n vec3 sampleVec = tangentSample.x * right + tangentSample.y * up + tangentSample.z * normal;\n irradiance += (texture2D(environmentMap, nTOE(sampleVec)).xyz) * cos(theta) * sin(theta);\n nrSamples++;\n }\n\t}\n\t// divide by the total number of samples taken, giving us the average sampled irradiance.\n\tirradiance = PI * irradiance * (1.0 / float(nrSamples )) ;\n \n \n\tgl_FragColor = vec4(irradiance, 1.0);\n}",imageLightSpecularFrag:"precision highp float;\r\nvarying vec3 localPos;\r\nvarying vec2 vTexCoord;\r\n\r\n// our texture\r\nuniform sampler2D environmentMap;\r\nuniform float roughness;\r\n\r\nconst float PI = 3.14159265359;\r\n\r\nfloat VanDerCorput(int bits);\r\nvec2 HammersleyNoBitOps(int i, int N);\r\nvec3 ImportanceSampleGGX(vec2 Xi, vec3 N, float roughness);\r\n\r\n\r\nvec2 nTOE( vec3 v ){\r\n // x = r sin(phi) cos(theta) \r\n // y = r cos(phi) \r\n // z = r sin(phi) sin(theta)\r\n float phi = acos( v.y );\r\n // if phi is 0, then there are no x, z components\r\n float theta = 0.0;\r\n // else \r\n theta = acos(v.x / sin(phi));\r\n float sinTheta = v.z / sin(phi);\r\n if (sinTheta < 0.0) {\r\n // Turn it into -theta, but in the 0-2PI range\r\n theta = 2.0 * PI - theta;\r\n }\r\n theta = theta / (2.0 * 3.14159);\r\n phi = phi / 3.14159 ;\r\n \r\n vec2 angles = vec2( phi, theta );\r\n return angles;\r\n}\r\n\r\n\r\nvoid main(){\r\n const int SAMPLE_COUNT = 1024; // 4096\r\n float totalWeight = 0.0;\r\n vec3 prefilteredColor = vec3(0.0);\r\n float phi = vTexCoord.x * 2.0 * PI;\r\n float theta = vTexCoord.y * PI;\r\n float x = sin(theta) * cos(phi);\r\n float y = sin(theta) * sin(phi);\r\n float z = cos(theta);\r\n vec3 N = vec3(x,y,z);\r\n vec3 V = N;\r\n for (int i = 0; i < SAMPLE_COUNT; ++i)\r\n {\r\n vec2 Xi = HammersleyNoBitOps(i, SAMPLE_COUNT);\r\n vec3 H = ImportanceSampleGGX(Xi, N, roughness);\r\n vec3 L = normalize(2.0 * dot(V, H) * H - V);\r\n\r\n float NdotL = max(dot(N, L), 0.0);\r\n if (NdotL > 0.0)\r\n {\r\n prefilteredColor += texture2D(environmentMap, nTOE(L)).xyz * NdotL;\r\n totalWeight += NdotL;\r\n }\r\n }\r\n prefilteredColor = prefilteredColor / totalWeight;\r\n\r\n gl_FragColor = vec4(prefilteredColor, 1.0);\r\n}\r\n\r\nvec3 ImportanceSampleGGX(vec2 Xi, vec3 N, float roughness){\r\n float a = roughness * roughness;\r\n\r\n float phi = 2.0 * PI * Xi.x;\r\n float cosTheta = sqrt((1.0 - Xi.y) / (1.0 + (a * a - 1.0) * Xi.y));\r\n float sinTheta = sqrt(1.0 - cosTheta * cosTheta);\r\n // from spherical coordinates to cartesian coordinates\r\n vec3 H;\r\n H.x = cos(phi) * sinTheta;\r\n H.y = sin(phi) * sinTheta;\r\n H.z = cosTheta;\r\n\r\n // from tangent-space vector to world-space sample vector\r\n vec3 up = abs(N.z) < 0.999 ? vec3(0.0, 0.0, 1.0) : vec3(1.0, 0.0, 0.0);\r\n vec3 tangent = normalize(cross(up, N));\r\n vec3 bitangent = cross(N, tangent);\r\n\r\n vec3 sampleVec = tangent * H.x + bitangent * H.y + N * H.z;\r\n return normalize(sampleVec);\r\n}\r\n\r\n\r\nfloat VanDerCorput(int n, int base)\r\n{\r\n float invBase = 1.0 / float(base);\r\n float denom = 1.0;\r\n float result = 0.0;\r\n\r\n for (int i = 0; i < 32; ++i)\r\n {\r\n\tif (n > 0)\r\n\t{\r\n \tdenom = mod(float(n), 2.0);\r\n \tresult += denom * invBase;\r\n \tinvBase = invBase / 2.0;\r\n \tn = int(float(n) / 2.0);\r\n\t}\r\n }\r\n\r\n return result;\r\n}\r\n\r\nvec2 HammersleyNoBitOps(int i, int N)\r\n{\r\n return vec2(float(i) / float(N), VanDerCorput(i, 2));\r\n}\r\n"};for(x in M)M[x]="#ifdef WEBGL2\n\n#define IN in\n#define OUT out\n\n#ifdef FRAGMENT_SHADER\nout vec4 outColor;\n#define OUT_COLOR outColor\n#endif\n#define TEXTURE texture\n\n#else\n\n#ifdef FRAGMENT_SHADER\n#define IN varying\n#else\n#define IN attribute\n#endif\n#define OUT varying\n#define TEXTURE texture2D\n\n#ifdef FRAGMENT_SHADER\n#define OUT_COLOR gl_FragColor\n#endif\n\n#endif\n"+M[x];j(e={},l.GRAY,"precision highp float;\n\nvarying vec2 vTexCoord;\n\nuniform sampler2D tex0;\n\nfloat luma(vec3 color) {\n // weighted grayscale with luminance values\n return dot(color, vec3(0.2126, 0.7152, 0.0722));\n}\n\nvoid main() {\n vec4 tex = texture2D(tex0, vTexCoord);\n float gray = luma(tex.rgb);\n gl_FragColor = vec4(gray, gray, gray, tex.a);\n}\n"),j(e,l.ERODE,"// Reduces the bright areas in an image\n\nprecision highp float;\n\nvarying vec2 vTexCoord;\n\nuniform sampler2D tex0;\nuniform vec2 texelSize;\n\nfloat luma(vec3 color) {\n // weighted grayscale with luminance values\n // weights 77, 151, 28 taken from src/image/filters.js\n return dot(color, vec3(0.300781, 0.589844, 0.109375));\n}\n\nvoid main() {\n vec4 color = texture2D(tex0, vTexCoord);\n float lum = luma(color.rgb);\n\n // set current color as the darkest neighbor color\n\n vec4 neighbors[4];\n neighbors[0] = texture2D(tex0, vTexCoord + vec2( texelSize.x, 0.0));\n neighbors[1] = texture2D(tex0, vTexCoord + vec2(-texelSize.x, 0.0));\n neighbors[2] = texture2D(tex0, vTexCoord + vec2(0.0, texelSize.y));\n neighbors[3] = texture2D(tex0, vTexCoord + vec2(0.0, -texelSize.y));\n\n for (int i = 0; i < 4; i++) {\n vec4 neighborColor = neighbors[i];\n float neighborLum = luma(neighborColor.rgb);\n\n if (neighborLum < lum) {\n color = neighborColor;\n lum = neighborLum;\n }\n }\n\n gl_FragColor = color;\n}\n"),j(e,l.DILATE,"// Increase the bright areas in an image\n\nprecision highp float;\n\nvarying vec2 vTexCoord;\n\nuniform sampler2D tex0;\nuniform vec2 texelSize;\n\nfloat luma(vec3 color) {\n // weighted grayscale with luminance values\n // weights 77, 151, 28 taken from src/image/filters.js\n return dot(color, vec3(0.300781, 0.589844, 0.109375));\n}\n\nvoid main() {\n vec4 color = texture2D(tex0, vTexCoord);\n float lum = luma(color.rgb);\n\n // set current color as the brightest neighbor color\n\n vec4 neighbors[4];\n neighbors[0] = texture2D(tex0, vTexCoord + vec2( texelSize.x, 0.0));\n neighbors[1] = texture2D(tex0, vTexCoord + vec2(-texelSize.x, 0.0));\n neighbors[2] = texture2D(tex0, vTexCoord + vec2(0.0, texelSize.y));\n neighbors[3] = texture2D(tex0, vTexCoord + vec2(0.0, -texelSize.y));\n\n for (int i = 0; i < 4; i++) {\n vec4 neighborColor = neighbors[i];\n float neighborLum = luma(neighborColor.rgb);\n\n if (neighborLum > lum) {\n color = neighborColor;\n lum = neighborLum;\n }\n }\n\n gl_FragColor = color;\n}\n"),j(e,l.BLUR,"precision highp float;\n\n// Two-pass blur filter, unweighted kernel.\n// See also a similar blur at Adam Ferriss' repo of shader examples:\n// https://github.com/aferriss/p5jsShaderExamples/blob/gh-pages/4_image-effects/4-9_single-pass-blur/effect.frag\n\n\nuniform sampler2D tex0;\nvarying vec2 vTexCoord;\nuniform vec2 direction;\nuniform vec2 canvasSize;\nuniform float radius;\n\nfloat random(vec2 p) {\n vec3 p3 = fract(vec3(p.xyx) * .1031);\n p3 += dot(p3, p3.yzx + 33.33);\n return fract((p3.x + p3.y) * p3.z);\n}\n\n// This isn't a real Gaussian weight, it's a quadratic weight. It's what the\n// CPU mode's blur uses though, so we also use it here to match.\nfloat quadWeight(float x, float e) {\n return pow(e-abs(x), 2.);\n}\n\nvoid main(){\n vec2 uv = vTexCoord;\n\n // A reasonable maximum number of samples\n const float maxSamples = 64.0;\n\n float numSamples = floor(7. * radius);\n if (fract(numSamples / 2.) == 0.) {\n numSamples++;\n }\n vec4 avg = vec4(0.0);\n float total = 0.0;\n\n // Calculate the spacing to avoid skewing if numSamples > maxSamples\n float spacing = 1.0;\n if (numSamples > maxSamples) {\n spacing = numSamples / maxSamples;\n numSamples = maxSamples;\n }\n\n float randomOffset = (spacing - 1.0) * mix(-0.5, 0.5, random(gl_FragCoord.xy));\n for (float i = 0.0; i < maxSamples; i++) {\n if (i >= numSamples) break;\n\n float sample = i * spacing - (numSamples - 1.0) * 0.5 * spacing + randomOffset;\n vec2 sampleCoord = uv + vec2(sample, sample) / canvasSize * direction;\n float weight = quadWeight(sample, (numSamples - 1.0) * 0.5 * spacing);\n\n avg += weight * texture2D(tex0, sampleCoord);\n total += weight;\n }\n\n avg /= total;\n gl_FragColor = avg;\n}\n"),j(e,l.POSTERIZE,"// Limit color space for a stylized cartoon / poster effect\n\nprecision highp float;\n\nvarying vec2 vTexCoord;\n\nuniform sampler2D tex0;\nuniform float filterParameter;\n\nvec3 quantize(vec3 color, float n) {\n // restrict values to N options/bins\n // and floor each channel to nearest value\n //\n // eg. when N = 5, values = 0.0, 0.25, 0.50, 0.75, 1.0\n // then quantize (0.1, 0.7, 0.9) -> (0.0, 0.5, 1.0)\n\n color = color * n;\n color = floor(color);\n color = color / (n - 1.0);\n return color;\n}\n\nvoid main() {\n vec4 color = texture2D(tex0, vTexCoord);\n\n vec3 restrictedColor = quantize(color.rgb / color.a, filterParameter);\n\n gl_FragColor = vec4(restrictedColor.rgb * color.a, color.a);\n}\n"),j(e,l.OPAQUE,"// Set alpha channel to entirely opaque\n\nprecision highp float;\n\nvarying vec2 vTexCoord;\n\nuniform sampler2D tex0;\n\nvoid main() {\n vec4 color = texture2D(tex0, vTexCoord);\n gl_FragColor = vec4(color.rgb / color.a, 1.0);\n}\n"),j(e,l.INVERT,"// Set each pixel to inverse value\n// Note that original INVERT does not change the opacity, so this follows suit\n\nprecision highp float;\n\nvarying vec2 vTexCoord;\n\nuniform sampler2D tex0;\n\nvoid main() {\nvec4 color = texture2D(tex0, vTexCoord);\nvec3 origColor = color.rgb / color.a;\nvec3 invertedColor = vec3(1.0) - origColor;\ngl_FragColor = vec4(invertedColor * color.a, color.a);\n}\n"),j(e,l.THRESHOLD,"// Convert pixels to either white or black, \n// depending on if their luma is above or below filterParameter\n\nprecision highp float;\n\nvarying vec2 vTexCoord;\n\nuniform sampler2D tex0;\nuniform float filterParameter;\n\nfloat luma(vec3 color) {\n // weighted grayscale with luminance values\n return dot(color, vec3(0.2126, 0.7152, 0.0722));\n}\n\nvoid main() {\n vec4 color = texture2D(tex0, vTexCoord);\n float gray = luma(color.rgb / color.a);\n // floor() used to match src/image/filters.js\n float threshold = floor(filterParameter * 255.0) / 255.0;\n float blackOrWhite = step(threshold, gray);\n gl_FragColor = vec4(vec3(blackOrWhite) * color.a, color.a);\n}\n");var E=e;function k(e,t,r,o,n,s,i,a,l,u){var c=t.getParameter(t.FRAMEBUFFER_BINDING),r=(t.bindFramebuffer(t.FRAMEBUFFER,r),a===t.RGBA?4:3),d=s*i*r,h=l===t.UNSIGNED_BYTE?Uint8Array:Float32Array;if(e instanceof h&&e.length===d||(e=new h(d)),t.readPixels(o,u?u-n-i:n,s,i,a,l,e),t.bindFramebuffer(t.FRAMEBUFFER,c),u)for(var f=Math.floor(i/2),p=new h(s*r),m=0;m>7,127&d,c>>7,127&c);for(var h=0;h>7,127&f,0,0)}}return{cellImageInfo:a,dimOffset:t,dimImageInfo:n}}}}]),t}();B.default.RendererGL.prototype._renderText=function(e,t,r,o,n){if(this._textFont&&"string"!=typeof this._textFont){if(!(n<=o)&&this._doFill){if(this._isOpenType()){e.push();var n=this._doStroke,s=this.drawMode,i=(this._doStroke=!1,this.drawMode=M.TEXTURE,this._textFont.font),a=(a=this._textFont._fontInfo)||(this._textFont._fontInfo=new E(i)),r=this._textFont._handleAlignment(this,t,r,o),o=this._textSize/i.unitsPerEm,l=(this.translate(r.x,r.y,0),this.scale(o,o,1),this.GL),r=!this._defaultFontShader,u=this._getFontShader(),c=(u.init(),u.bindShader(),r&&(u.setUniform("uGridImageSize",[64,64]),u.setUniform("uCellsImageSize",[64,64]),u.setUniform("uStrokeImageSize",[64,64]),u.setUniform("uGridSize",[9,9])),this._applyColorBlend(this.curFillColor),this.retainedMode.geometry.glyph),d=(c||((o=this._textGeom=new B.default.Geometry(1,1,function(){for(var e=0;e<=1;e++)for(var t=0;t<=1;t++)this.vertices.push(new B.default.Vector(t,e,0)),this.uvs.push(t,e)})).computeFaces().computeNormals(),c=this.createBuffers("glyph",o)),!0),r=!1,o=void 0;try{for(var h,f=this.retainedMode.buffers.text[Symbol.iterator]();!(d=(h=f.next()).done);d=!0)h.value._prepareBuffer(c,u)}catch(e){r=!0,o=e}finally{try{d||null==f.return||f.return()}finally{if(r)throw o}}this._bindBuffer(c.indexBuffer,l.ELEMENT_ARRAY_BUFFER),u.setUniform("uMaterialColor",this.curFillColor),l.pixelStorei(l.UNPACK_PREMULTIPLY_ALPHA_WEBGL,!1);try{var p=0,m=null,y=i.stringToGlyphs(t),g=!0,v=!1,b=void 0;try{for(var j,_=y[Symbol.iterator]();!(g=(j=_.next()).done);g=!0){var x,w,S=j.value,T=(m&&(p+=i.getKerningValue(m,S)),a.getGlyphInfo(S));T.uGlyphRect&&(x=T.rowInfo,w=T.colInfo,u.setUniform("uSamplerStrokes",T.strokeImageInfo.imageData),u.setUniform("uSamplerRowStrokes",x.cellImageInfo.imageData),u.setUniform("uSamplerRows",x.dimImageInfo.imageData),u.setUniform("uSamplerColStrokes",w.cellImageInfo.imageData),u.setUniform("uSamplerCols",w.dimImageInfo.imageData),u.setUniform("uGridOffset",T.uGridOffset),u.setUniform("uGlyphRect",T.uGlyphRect),u.setUniform("uGlyphOffset",p),u.bindTextures(),l.drawElements(l.TRIANGLES,6,this.GL.UNSIGNED_SHORT,0)),p+=S.advanceWidth,m=S}}catch(e){v=!0,b=e}finally{try{g||null==_.return||_.return()}finally{if(v)throw b}}}finally{u.unbindShader(),this._doStroke=n,this.drawMode=s,l.pixelStorei(l.UNPACK_PREMULTIPLY_ALPHA_WEBGL,!0),e.pop()}}else console.log("WEBGL: only Opentype (.otf) and Truetype (.ttf) fonts are supported");return e}}else console.log("WEBGL: you must load and set a font before drawing text. 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r,o,n={},s=!0,i=function(e,t){var r;e="rectangle"===e||"ellipse"===e||"arc"===e||"circle"===e||"square"===e?(r=Math.round(t[0]+t[2]/2),Math.round(t[1]+t[3]/2)):"triangle"===e?(r=(t[0]+t[2]+t[4])/3,(t[1]+t[3]+t[5])/3):"quadrilateral"===e?(r=(t[0]+t[2]+t[4]+t[6])/4,(t[1]+t[3]+t[5]+t[7])/4):"line"===e?(r=(t[0]+t[2])/2,(t[1]+t[3])/2):(r=t[0],t[1]);return[r,e]}(e,t);if("line"===e?(n.color=this.ingredients.colors.stroke,n.length=Math.round(this.dist(t[0],t[1],t[2],t[3])),r=this._getPos(t[0],[1]),o=this._getPos(t[2],[3]),n.loc=u(i,this.width,this.height),n.pos=r===o?"at ".concat(r):"from ".concat(r," to ").concat(o)):("point"===e?n.color=this.ingredients.colors.stroke:(n.color=this.ingredients.colors.fill,n.area=this._getArea(e,t)),n.pos=this._getPos.apply(this,l(i)),n.loc=u(i,this.width,this.height)),this.ingredients.shapes[e]){if(this.ingredients.shapes[e]!==[n]){for(var a in this.ingredients.shapes[e])JSON.stringify(this.ingredients.shapes[e][a])===JSON.stringify(n)&&(s=!1);!0===s&&this.ingredients.shapes[e].push(n)}}else this.ingredients.shapes[e]=[n]},o.default.prototype._getPos=function(e,t){var e=new DOMPointReadOnly(e,t),t=this._renderer.isP3D?new DOMMatrix(this._renderer.uMVMatrix.mat4):this.drawingContext.getTransform(),e=e.matrixTransform(t),t=e.x,e=e.y,r=this.width*this._pixelDensity,o=this.height*this._pixelDensity;return t<.4*r?e<.4*o?"top left":.6*oMath.PI?n+=o:n-=o)):"ellipse"===e||"circle"===e?n=3.14*t[2]/2*t[3]/2:"line"===e||"point"===e?n=0:"quadrilateral"===e?n=Math.abs((t[6]+t[0])*(t[7]-t[1])+(t[0]+t[2])*(t[1]-t[3])+(t[2]+t[4])*(t[3]-t[5])+(t[4]+t[6])*(t[5]-t[7]))/2:"rectangle"===e||"square"===e?n=t[2]*t[3]:"triangle"===e&&(n=Math.abs(t[0]*(t[3]-t[5])+t[2]*(t[5]-t[1])+t[4]*(t[1]-t[3]))/2),this.width*this._pixelDensity),i=this.height*this._pixelDensity,a=[new DOMPoint(0,0),new DOMPoint(s,0),new DOMPoint(s,i),new 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curve (after t1)?\n if (y1 ? !y2 : y0) {\n // add the coverage for t1\n coverage.x += saturate(C1.x + 0.5);\n // calculate the anti-aliasing for t1\n weight.x = min(weight.x, abs(C1.x));\n }\n\n // are we outside the curve (after t2)?\n if (y1 ? !y0 : y2) {\n // subtract the coverage for t2\n coverage.x -= saturate(C2.x + 0.5);\n // calculate the anti-aliasing for t2\n weight.x = min(weight.x, abs(C2.x));\n }\n}\n\n// this is essentially the same as coverageX, but with the axes swapped\nvoid coverageY(vec2 p0, vec2 p1, vec2 p2) {\n\n vec2 C1, C2;\n calulateCrossings(p0, p1, p2, C1, C2);\n\n bool x0 = p0.x > vTexCoord.x;\n bool x1 = p1.x > vTexCoord.x;\n bool x2 = p2.x > vTexCoord.x;\n\n if (x1 ? !x2 : x0) {\n coverage.y -= saturate(C1.y + 0.5);\n weight.y = min(weight.y, abs(C1.y));\n }\n\n if (x1 ? !x0 : x2) {\n coverage.y += saturate(C2.y + 0.5);\n weight.y = min(weight.y, abs(C2.y));\n }\n}\n\nvoid main() {\n\n // calculate the pixel scale based on screen-coordinates\n pixelScale = hardness / fwidth(vTexCoord);\n\n // which grid cell is this pixel in?\n ivec2 gridCoord = ifloor(vTexCoord * vec2(uGridSize));\n\n // intersect curves in this row\n {\n // the index into the row info bitmap\n int rowIndex = gridCoord.y + uGridOffset.y;\n // fetch the info texel\n vec4 rowInfo = getTexel(uSamplerRows, rowIndex, uGridImageSize);\n // unpack the rowInfo\n int rowStrokeIndex = getInt16(rowInfo.xy);\n int rowStrokeCount = getInt16(rowInfo.zw);\n\n for (int iRowStroke = INT(0); iRowStroke < N; iRowStroke++) {\n if (iRowStroke >= rowStrokeCount)\n break;\n\n // each stroke is made up of 3 points: the start and control point\n // and the start of the next curve.\n // fetch the indices of this pair of strokes:\n vec4 strokeIndices = getTexel(uSamplerRowStrokes, rowStrokeIndex++, uCellsImageSize);\n\n // unpack the stroke index\n int strokePos = getInt16(strokeIndices.xy);\n\n // fetch the two strokes\n vec4 stroke0 = getTexel(uSamplerStrokes, strokePos + INT(0), uStrokeImageSize);\n vec4 stroke1 = getTexel(uSamplerStrokes, strokePos + INT(1), uStrokeImageSize);\n\n // calculate the coverage\n coverageX(stroke0.xy, stroke0.zw, stroke1.xy);\n }\n }\n\n // intersect curves in this column\n {\n int colIndex = gridCoord.x + uGridOffset.x;\n vec4 colInfo = getTexel(uSamplerCols, colIndex, uGridImageSize);\n int colStrokeIndex = getInt16(colInfo.xy);\n int colStrokeCount = getInt16(colInfo.zw);\n \n for (int iColStroke = INT(0); iColStroke < N; iColStroke++) {\n if (iColStroke >= colStrokeCount)\n break;\n\n vec4 strokeIndices = getTexel(uSamplerColStrokes, colStrokeIndex++, uCellsImageSize);\n\n int strokePos = getInt16(strokeIndices.xy);\n vec4 stroke0 = getTexel(uSamplerStrokes, strokePos + INT(0), uStrokeImageSize);\n vec4 stroke1 = getTexel(uSamplerStrokes, strokePos + INT(1), uStrokeImageSize);\n coverageY(stroke0.xy, stroke0.zw, stroke1.xy);\n }\n }\n\n weight = saturate(1.0 - weight * 2.0);\n float distance = max(weight.x + weight.y, minDistance); // manhattan approx.\n float antialias = abs(dot(coverage, weight) / distance);\n float cover = min(abs(coverage.x), abs(coverage.y));\n OUT_COLOR = vec4(uMaterialColor.rgb, 1.) * uMaterialColor.a;\n OUT_COLOR *= saturate(max(antialias, cover));\n}\n",lineVert:T+"/*\n Part of the Processing project - http://processing.org\n Copyright (c) 2012-15 The Processing Foundation\n Copyright (c) 2004-12 Ben Fry and Casey Reas\n Copyright (c) 2001-04 Massachusetts Institute of Technology\n This library is free software; you can redistribute it and/or\n modify it under the terms of the GNU Lesser General Public\n License as published by the Free Software Foundation, version 2.1.\n This library is distributed in the hope that it will be useful,\n but WITHOUT ANY WARRANTY; without even the implied warranty of\n MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU\n Lesser General Public License for more details.\n You should have received a copy of the GNU Lesser General\n Public License along with this library; if not, write to the\n Free Software Foundation, Inc., 59 Temple Place, Suite 330,\n Boston, MA 02111-1307 USA\n*/\n\n#define PROCESSING_LINE_SHADER\n\nprecision mediump int;\n\nuniform mat4 uModelViewMatrix;\nuniform mat4 uProjectionMatrix;\nuniform float uStrokeWeight;\n\nuniform bool uUseLineColor;\nuniform vec4 uMaterialColor;\n\nuniform vec4 uViewport;\nuniform int uPerspective;\nuniform int uStrokeJoin;\n\nIN vec4 aPosition;\nIN vec3 aTangentIn;\nIN vec3 aTangentOut;\nIN float aSide;\nIN vec4 aVertexColor;\n\nOUT vec4 vColor;\nOUT vec2 vTangent;\nOUT vec2 vCenter;\nOUT vec2 vPosition;\nOUT float vMaxDist;\nOUT float vCap;\nOUT float vJoin;\n\nvec2 lineIntersection(vec2 aPoint, vec2 aDir, vec2 bPoint, vec2 bDir) {\n // Rotate and translate so a starts at the origin and goes out to the right\n bPoint -= aPoint;\n vec2 rotatedBFrom = vec2(\n bPoint.x*aDir.x + bPoint.y*aDir.y,\n bPoint.y*aDir.x - bPoint.x*aDir.y\n );\n vec2 bTo = bPoint + bDir;\n vec2 rotatedBTo = vec2(\n bTo.x*aDir.x + bTo.y*aDir.y,\n bTo.y*aDir.x - bTo.x*aDir.y\n );\n float intersectionDistance =\n rotatedBTo.x + (rotatedBFrom.x - rotatedBTo.x) * rotatedBTo.y /\n (rotatedBTo.y - rotatedBFrom.y);\n return aPoint + aDir * intersectionDistance;\n}\n\nvoid main() {\n // Caps have one of either the in or out tangent set to 0\n vCap = (aTangentIn == vec3(0.)) != (aTangentOut == (vec3(0.)))\n ? 1. : 0.;\n\n // Joins have two unique, defined tangents\n vJoin = (\n aTangentIn != vec3(0.) &&\n aTangentOut != vec3(0.) &&\n aTangentIn != aTangentOut\n ) ? 1. : 0.;\n\n vec4 posp = uModelViewMatrix * aPosition;\n vec4 posqIn = uModelViewMatrix * (aPosition + vec4(aTangentIn, 0));\n vec4 posqOut = uModelViewMatrix * (aPosition + vec4(aTangentOut, 0));\n\n float facingCamera = pow(\n // The word space tangent's z value is 0 if it's facing the camera\n abs(normalize(posqIn-posp).z),\n\n // Using pow() here to ramp `facingCamera` up from 0 to 1 really quickly\n // so most lines get scaled and don't get clipped\n 0.25\n );\n\n // Moving vertices slightly toward the camera\n // to avoid depth-fighting with the fill triangles.\n // This prevents popping effects due to half of\n // the line disappearing behind the geometry faces.\n \n float zOffset = mix(-0.00045, -1., facingCamera);\n posp.z -= zOffset;\n posqIn.z -= zOffset;\n posqOut.z -= zOffset;\n \n vec4 p = uProjectionMatrix * posp;\n vec4 qIn = uProjectionMatrix * posqIn;\n vec4 qOut = uProjectionMatrix * posqOut;\n vCenter = p.xy;\n\n // formula to convert from clip space (range -1..1) to screen space (range 0..[width or height])\n // screen_p = (p.xy/p.w + <1,1>) * 0.5 * uViewport.zw\n\n // prevent division by W by transforming the tangent formula (div by 0 causes\n // the line to disappear, see https://github.com/processing/processing/issues/5183)\n // t = screen_q - screen_p\n //\n // tangent is normalized and we don't care which aDirection it points to (+-)\n // t = +- normalize( screen_q - screen_p )\n // t = +- normalize( (q.xy/q.w+<1,1>)*0.5*uViewport.zw - (p.xy/p.w+<1,1>)*0.5*uViewport.zw )\n //\n // extract common factor, <1,1> - <1,1> cancels out\n // t = +- normalize( (q.xy/q.w - p.xy/p.w) * 0.5 * uViewport.zw )\n //\n // convert to common divisor\n // t = +- normalize( ((q.xy*p.w - p.xy*q.w) / (p.w*q.w)) * 0.5 * uViewport.zw )\n //\n // remove the common scalar divisor/factor, not needed due to normalize and +-\n // (keep uViewport - can't remove because it has different components for x and y\n // and corrects for aspect ratio, see https://github.com/processing/processing/issues/5181)\n // t = +- normalize( (q.xy*p.w - p.xy*q.w) * uViewport.zw )\n\n vec2 tangentIn = normalize((qIn.xy*p.w - p.xy*qIn.w) * uViewport.zw);\n vec2 tangentOut = normalize((qOut.xy*p.w - p.xy*qOut.w) * uViewport.zw);\n\n vec2 curPerspScale;\n if(uPerspective == 1) {\n // Perspective ---\n // convert from world to clip by multiplying with projection scaling factor\n // to get the right thickness (see https://github.com/processing/processing/issues/5182)\n\n // The y value of the projection matrix may be flipped if rendering to a Framebuffer.\n // Multiplying again by its sign here negates the flip to get just the scale.\n curPerspScale = (uProjectionMatrix * vec4(1, sign(uProjectionMatrix[1][1]), 0, 0)).xy;\n } else {\n // No Perspective ---\n // multiply by W (to cancel out division by W later in the pipeline) and\n // convert from screen to clip (derived from clip to screen above)\n curPerspScale = p.w / (0.5 * uViewport.zw);\n }\n\n vec2 offset;\n if (vJoin == 1.) {\n vTangent = normalize(tangentIn + tangentOut);\n vec2 normalIn = vec2(-tangentIn.y, tangentIn.x);\n vec2 normalOut = vec2(-tangentOut.y, tangentOut.x);\n float side = sign(aSide);\n float sideEnum = abs(aSide);\n\n // We generate vertices for joins on either side of the centerline, but\n // the \"elbow\" side is the only one needing a join. By not setting the\n // offset for the other side, all its vertices will end up in the same\n // spot and not render, effectively discarding it.\n if (sign(dot(tangentOut, vec2(-tangentIn.y, tangentIn.x))) != side) {\n // Side enums:\n // 1: the side going into the join\n // 2: the middle of the join\n // 3: the side going out of the join\n if (sideEnum == 2.) {\n // Calculate the position + tangent on either side of the join, and\n // find where the lines intersect to find the elbow of the join\n vec2 c = (posp.xy/posp.w + vec2(1.,1.)) * 0.5 * uViewport.zw;\n vec2 intersection = lineIntersection(\n c + (side * normalIn * uStrokeWeight / 2.),\n tangentIn,\n c + (side * normalOut * uStrokeWeight / 2.),\n tangentOut\n );\n offset = (intersection - c);\n\n // When lines are thick and the angle of the join approaches 180, the\n // elbow might be really far from the center. We'll apply a limit to\n // the magnitude to avoid lines going across the whole screen when this\n // happens.\n float mag = length(offset);\n float maxMag = 3. * uStrokeWeight;\n if (mag > maxMag) {\n offset *= maxMag / mag;\n }\n } else if (sideEnum == 1.) {\n offset = side * normalIn * uStrokeWeight / 2.;\n } else if (sideEnum == 3.) {\n offset = side * normalOut * uStrokeWeight / 2.;\n }\n }\n if (uStrokeJoin == STROKE_JOIN_BEVEL) {\n vec2 avgNormal = vec2(-vTangent.y, vTangent.x);\n vMaxDist = abs(dot(avgNormal, normalIn * uStrokeWeight / 2.));\n } else {\n vMaxDist = uStrokeWeight / 2.;\n }\n } else {\n vec2 tangent = aTangentIn == vec3(0.) ? tangentOut : tangentIn;\n vTangent = tangent;\n vec2 normal = vec2(-tangent.y, tangent.x);\n\n float normalOffset = sign(aSide);\n // Caps will have side values of -2 or 2 on the edge of the cap that\n // extends out from the line\n float tangentOffset = abs(aSide) - 1.;\n offset = (normal * normalOffset + tangent * tangentOffset) *\n uStrokeWeight * 0.5;\n vMaxDist = uStrokeWeight / 2.;\n }\n vPosition = vCenter + offset;\n\n gl_Position.xy = p.xy + offset.xy * curPerspScale;\n gl_Position.zw = p.zw;\n \n vColor = (uUseLineColor ? aVertexColor : uMaterialColor);\n}\n",lineFrag:T+"precision mediump int;\n\nuniform vec4 uMaterialColor;\nuniform int uStrokeCap;\nuniform int uStrokeJoin;\nuniform float uStrokeWeight;\n\nIN vec4 vColor;\nIN vec2 vTangent;\nIN vec2 vCenter;\nIN vec2 vPosition;\nIN float vMaxDist;\nIN float vCap;\nIN float vJoin;\n\nfloat distSquared(vec2 a, vec2 b) {\n vec2 aToB = b - a;\n return dot(aToB, aToB);\n}\n\nvoid main() {\n if (vCap > 0.) {\n if (\n uStrokeCap == STROKE_CAP_ROUND &&\n distSquared(vPosition, vCenter) > uStrokeWeight * uStrokeWeight * 0.25\n ) {\n discard;\n } else if (\n uStrokeCap == STROKE_CAP_SQUARE &&\n dot(vPosition - vCenter, vTangent) > 0.\n ) {\n discard;\n }\n // Use full area for PROJECT\n } else if (vJoin > 0.) {\n if (\n uStrokeJoin == STROKE_JOIN_ROUND &&\n distSquared(vPosition, vCenter) > uStrokeWeight * uStrokeWeight * 0.25\n ) {\n discard;\n } else if (uStrokeJoin == STROKE_JOIN_BEVEL) {\n vec2 normal = vec2(-vTangent.y, vTangent.x);\n if (abs(dot(vPosition - vCenter, normal)) > vMaxDist) {\n discard;\n }\n }\n // Use full area for MITER\n }\n OUT_COLOR = vec4(vColor.rgb, 1.) * vColor.a;\n}\n",pointVert:"IN vec3 aPosition;\nuniform float uPointSize;\nOUT float vStrokeWeight;\nuniform mat4 uModelViewMatrix;\nuniform mat4 uProjectionMatrix;\nvoid main() {\n\tvec4 positionVec4 = vec4(aPosition, 1.0);\n\tgl_Position = uProjectionMatrix * uModelViewMatrix * positionVec4;\n\tgl_PointSize = uPointSize;\n\tvStrokeWeight = uPointSize;\n}\n",pointFrag:"precision mediump int;\nuniform vec4 uMaterialColor;\nIN float vStrokeWeight;\n\nvoid main(){\n float mask = 0.0;\n\n // make a circular mask using the gl_PointCoord (goes from 0 - 1 on a point)\n // might be able to get a nicer edge on big strokeweights with smoothstep but slightly less performant\n\n mask = step(0.98, length(gl_PointCoord * 2.0 - 1.0));\n\n // if strokeWeight is 1 or less lets just draw a square\n // this prevents weird artifacting from carving circles when our points are really small\n // if strokeWeight is larger than 1, we just use it as is\n\n mask = mix(0.0, mask, clamp(floor(vStrokeWeight - 0.5),0.0,1.0));\n\n // throw away the borders of the mask\n // otherwise we get weird alpha blending issues\n\n if(mask > 0.98){\n discard;\n }\n\n OUT_COLOR = vec4(uMaterialColor.rgb, 1.) * uMaterialColor.a;\n}\n",imageLightVert:"precision highp float;\nattribute vec3 aPosition;\nattribute vec3 aNormal;\nattribute vec2 aTexCoord;\n\nvarying vec3 localPos;\nvarying vec3 vWorldNormal;\nvarying vec3 vWorldPosition;\nvarying vec2 vTexCoord;\n\nuniform mat4 uModelViewMatrix;\nuniform mat4 uProjectionMatrix;\nuniform mat3 uNormalMatrix;\n\nvoid main() {\n // Multiply the position by the matrix.\n vec4 viewModelPosition = uModelViewMatrix * vec4(aPosition, 1.0);\n gl_Position = uProjectionMatrix * viewModelPosition; \n \n // orient the normals and pass to the fragment shader\n vWorldNormal = uNormalMatrix * aNormal;\n \n // send the view position to the fragment shader\n vWorldPosition = (uModelViewMatrix * vec4(aPosition, 1.0)).xyz;\n \n localPos = vWorldPosition;\n vTexCoord = aTexCoord;\n}\n\n\n/*\nin the vertex shader we'll compute the world position and world oriented normal of the vertices and pass those to the fragment shader as varyings.\n*/\n",imageLightDiffusedFrag:"precision highp float;\nvarying vec3 localPos;\n\n// the HDR cubemap converted (can be from an equirectangular environment map.)\nuniform sampler2D environmentMap;\nvarying vec2 vTexCoord;\n\nconst float PI = 3.14159265359;\n\nvec2 nTOE( vec3 v ){\n // x = r sin(phi) cos(theta) \n // y = r cos(phi) \n // z = r sin(phi) sin(theta)\n float phi = acos( v.y );\n // if phi is 0, then there are no x, z components\n float theta = 0.0;\n // else \n theta = acos(v.x / sin(phi));\n float sinTheta = v.z / sin(phi);\n if (sinTheta < 0.0) {\n // Turn it into -theta, but in the 0-2PI range\n theta = 2.0 * PI - theta;\n }\n theta = theta / (2.0 * 3.14159);\n phi = phi / 3.14159 ;\n \n vec2 angles = vec2( phi, theta );\n return angles;\n}\n\nfloat random(vec2 p) {\n vec3 p3 = fract(vec3(p.xyx) * .1031);\n p3 += dot(p3, p3.yzx + 33.33);\n return fract((p3.x + p3.y) * p3.z);\n}\n\nvoid main()\n{ \t \n\t// the sample direction equals the hemisphere's orientation\n float phi = vTexCoord.x * 2.0 * PI;\n float theta = vTexCoord.y * PI;\n float x = sin(theta) * cos(phi);\n float y = sin(theta) * sin(phi);\n float z = cos(theta);\n vec3 normal = vec3( x, y, z);\n\n\t// Discretely sampling the hemisphere given the integral's\n // spherical coordinates translates to the following fragment code:\n\tvec3 irradiance = vec3(0.0); \n\tvec3 up\t= vec3(0.0, 1.0, 0.0);\n\tvec3 right = normalize(cross(up, normal));\n\tup = normalize(cross(normal, right));\n\n\t// We specify a fixed sampleDelta delta value to traverse\n // the hemisphere; decreasing or increasing the sample delta\n // will increase or decrease the accuracy respectively.\n\tconst float sampleDelta = 0.100;\n\tfloat nrSamples = 0.0;\n float randomOffset = random(gl_FragCoord.xy) * sampleDelta;\n\tfor(float rawPhi = 0.0; rawPhi < 2.0 * PI; rawPhi += sampleDelta)\n\t{\n float phi = rawPhi + randomOffset;\n for(float rawTheta = 0.0; rawTheta < ( 0.5 ) * PI; rawTheta += sampleDelta)\n {\n float theta = rawTheta + randomOffset;\n // spherical to cartesian (in tangent space) // tangent space to world // add each sample result to irradiance\n float x = sin(theta) * cos(phi);\n float y = sin(theta) * sin(phi);\n float z = cos(theta);\n vec3 tangentSample = vec3( x, y, z);\n \n vec3 sampleVec = tangentSample.x * right + tangentSample.y * up + tangentSample.z * normal;\n irradiance += (texture2D(environmentMap, nTOE(sampleVec)).xyz) * cos(theta) * sin(theta);\n nrSamples++;\n }\n\t}\n\t// divide by the total number of samples taken, giving us the average sampled irradiance.\n\tirradiance = PI * irradiance * (1.0 / float(nrSamples )) ;\n \n \n\tgl_FragColor = vec4(irradiance, 1.0);\n}",imageLightSpecularFrag:"precision highp float;\r\nvarying vec3 localPos;\r\nvarying vec2 vTexCoord;\r\n\r\n// our texture\r\nuniform sampler2D environmentMap;\r\nuniform float roughness;\r\n\r\nconst float PI = 3.14159265359;\r\n\r\nfloat VanDerCorput(int bits);\r\nvec2 HammersleyNoBitOps(int i, int N);\r\nvec3 ImportanceSampleGGX(vec2 Xi, vec3 N, float roughness);\r\n\r\n\r\nvec2 nTOE( vec3 v ){\r\n // x = r sin(phi) cos(theta) \r\n // y = r cos(phi) \r\n // z = r sin(phi) sin(theta)\r\n float phi = acos( v.y );\r\n // if phi is 0, then there are no x, z components\r\n float theta = 0.0;\r\n // else \r\n theta = acos(v.x / sin(phi));\r\n float sinTheta = v.z / sin(phi);\r\n if (sinTheta < 0.0) {\r\n // Turn it into -theta, but in the 0-2PI range\r\n theta = 2.0 * PI - theta;\r\n }\r\n theta = theta / (2.0 * 3.14159);\r\n phi = phi / 3.14159 ;\r\n \r\n vec2 angles = vec2( phi, theta );\r\n return angles;\r\n}\r\n\r\n\r\nvoid main(){\r\n const int SAMPLE_COUNT = 400; // 4096\r\n int lowRoughnessLimit = int(pow(2.0,(roughness+0.1)*20.0));\r\n float totalWeight = 0.0;\r\n vec3 prefilteredColor = vec3(0.0);\r\n float phi = vTexCoord.x * 2.0 * PI;\r\n float theta = vTexCoord.y * PI;\r\n float x = sin(theta) * cos(phi);\r\n float y = sin(theta) * sin(phi);\r\n float z = cos(theta);\r\n vec3 N = vec3(x,y,z);\r\n vec3 V = N;\r\n for (int i = 0; i < SAMPLE_COUNT; ++i)\r\n {\r\n // break at smaller sample numbers for low roughness levels\r\n if(i == lowRoughnessLimit)\r\n {\r\n break;\r\n }\r\n vec2 Xi = HammersleyNoBitOps(i, SAMPLE_COUNT);\r\n vec3 H = ImportanceSampleGGX(Xi, N, roughness);\r\n vec3 L = normalize(2.0 * dot(V, H) * H - V);\r\n\r\n float NdotL = max(dot(N, L), 0.0);\r\n if (NdotL > 0.0)\r\n {\r\n prefilteredColor += texture2D(environmentMap, nTOE(L)).xyz * NdotL;\r\n totalWeight += NdotL;\r\n }\r\n }\r\n prefilteredColor = prefilteredColor / totalWeight;\r\n\r\n gl_FragColor = vec4(prefilteredColor, 1.0);\r\n}\r\n\r\nvec3 ImportanceSampleGGX(vec2 Xi, vec3 N, float roughness){\r\n float a = roughness * roughness;\r\n\r\n float phi = 2.0 * PI * Xi.x;\r\n float cosTheta = sqrt((1.0 - Xi.y) / (1.0 + (a * a - 1.0) * Xi.y));\r\n float sinTheta = sqrt(1.0 - cosTheta * cosTheta);\r\n // from spherical coordinates to cartesian coordinates\r\n vec3 H;\r\n H.x = cos(phi) * sinTheta;\r\n H.y = sin(phi) * sinTheta;\r\n H.z = cosTheta;\r\n\r\n // from tangent-space vector to world-space sample vector\r\n vec3 up = abs(N.z) < 0.999 ? vec3(0.0, 0.0, 1.0) : vec3(1.0, 0.0, 0.0);\r\n vec3 tangent = normalize(cross(up, N));\r\n vec3 bitangent = cross(N, tangent);\r\n\r\n vec3 sampleVec = tangent * H.x + bitangent * H.y + N * H.z;\r\n return normalize(sampleVec);\r\n}\r\n\r\n\r\nfloat VanDerCorput(int n, int base)\r\n{\r\n#ifdef WEBGL2\r\n\r\n uint bits = uint(n);\r\n bits = (bits << 16u) | (bits >> 16u);\r\n bits = ((bits & 0x55555555u) << 1u) | ((bits & 0xAAAAAAAAu) >> 1u);\r\n bits = ((bits & 0x33333333u) << 2u) | ((bits & 0xCCCCCCCCu) >> 2u);\r\n bits = ((bits & 0x0F0F0F0Fu) << 4u) | ((bits & 0xF0F0F0F0u) >> 4u);\r\n bits = ((bits & 0x00FF00FFu) << 8u) | ((bits & 0xFF00FF00u) >> 8u);\r\n return float(bits) * 2.3283064365386963e-10; // / 0x100000000\r\n\r\n#else\r\n\r\n float invBase = 1.0 / float(base);\r\n float denom = 1.0;\r\n float result = 0.0;\r\n\r\n\r\n for (int i = 0; i < 32; ++i)\r\n {\r\n if (n > 0)\r\n {\r\n denom = mod(float(n), 2.0);\r\n result += denom * invBase;\r\n invBase = invBase / 2.0;\r\n n = int(float(n) / 2.0);\r\n }\r\n }\r\n\r\n\r\n return result;\r\n\r\n#endif\r\n}\r\n\r\nvec2 HammersleyNoBitOps(int i, int N)\r\n{\r\n return vec2(float(i) / float(N), VanDerCorput(i, 2));\r\n}\r\n"},M=E.sphereMappingFrag;for(x in E)E[x]="#ifdef WEBGL2\n\n#define IN in\n#define OUT out\n\n#ifdef FRAGMENT_SHADER\nout vec4 outColor;\n#define OUT_COLOR outColor\n#endif\n#define TEXTURE texture\n\n#else\n\n#ifdef FRAGMENT_SHADER\n#define IN varying\n#else\n#define IN attribute\n#endif\n#define OUT varying\n#define TEXTURE texture2D\n\n#ifdef FRAGMENT_SHADER\n#define OUT_COLOR gl_FragColor\n#endif\n\n#endif\n"+E[x];j(e={},l.GRAY,"precision highp float;\n\nvarying vec2 vTexCoord;\n\nuniform sampler2D tex0;\n\nfloat luma(vec3 color) {\n // weighted grayscale with luminance values\n return dot(color, vec3(0.2126, 0.7152, 0.0722));\n}\n\nvoid main() {\n vec4 tex = texture2D(tex0, vTexCoord);\n float gray = luma(tex.rgb);\n gl_FragColor = vec4(gray, gray, gray, tex.a);\n}\n"),j(e,l.ERODE,"// Reduces the bright areas in an image\n\nprecision highp float;\n\nvarying vec2 vTexCoord;\n\nuniform sampler2D tex0;\nuniform vec2 texelSize;\n\nfloat luma(vec3 color) {\n // weighted grayscale with luminance values\n // weights 77, 151, 28 taken from src/image/filters.js\n return dot(color, vec3(0.300781, 0.589844, 0.109375));\n}\n\nvoid main() {\n vec4 color = texture2D(tex0, vTexCoord);\n float lum = luma(color.rgb);\n\n // set current color as the darkest neighbor color\n\n vec4 neighbors[4];\n neighbors[0] = texture2D(tex0, vTexCoord + vec2( texelSize.x, 0.0));\n neighbors[1] = texture2D(tex0, vTexCoord + vec2(-texelSize.x, 0.0));\n neighbors[2] = texture2D(tex0, vTexCoord + vec2(0.0, texelSize.y));\n neighbors[3] = texture2D(tex0, vTexCoord + vec2(0.0, -texelSize.y));\n\n for (int i = 0; i < 4; i++) {\n vec4 neighborColor = neighbors[i];\n float neighborLum = luma(neighborColor.rgb);\n\n if (neighborLum < lum) {\n color = neighborColor;\n lum = neighborLum;\n }\n }\n\n gl_FragColor = color;\n}\n"),j(e,l.DILATE,"// Increase the bright areas in an image\n\nprecision highp float;\n\nvarying vec2 vTexCoord;\n\nuniform sampler2D tex0;\nuniform vec2 texelSize;\n\nfloat luma(vec3 color) {\n // weighted grayscale with luminance values\n // weights 77, 151, 28 taken from src/image/filters.js\n return dot(color, vec3(0.300781, 0.589844, 0.109375));\n}\n\nvoid main() {\n vec4 color = texture2D(tex0, vTexCoord);\n float lum = luma(color.rgb);\n\n // set current color as the brightest neighbor color\n\n vec4 neighbors[4];\n neighbors[0] = texture2D(tex0, vTexCoord + vec2( texelSize.x, 0.0));\n neighbors[1] = texture2D(tex0, vTexCoord + vec2(-texelSize.x, 0.0));\n neighbors[2] = texture2D(tex0, vTexCoord + vec2(0.0, texelSize.y));\n neighbors[3] = texture2D(tex0, vTexCoord + vec2(0.0, -texelSize.y));\n\n for (int i = 0; i < 4; i++) {\n vec4 neighborColor = neighbors[i];\n float neighborLum = luma(neighborColor.rgb);\n\n if (neighborLum > lum) {\n color = neighborColor;\n lum = neighborLum;\n }\n }\n\n gl_FragColor = color;\n}\n"),j(e,l.BLUR,"precision highp float;\n\n// Two-pass blur filter, unweighted kernel.\n// See also a similar blur at Adam Ferriss' repo of shader examples:\n// https://github.com/aferriss/p5jsShaderExamples/blob/gh-pages/4_image-effects/4-9_single-pass-blur/effect.frag\n\n\nuniform sampler2D tex0;\nvarying vec2 vTexCoord;\nuniform vec2 direction;\nuniform vec2 canvasSize;\nuniform float radius;\n\nfloat random(vec2 p) {\n vec3 p3 = fract(vec3(p.xyx) * .1031);\n p3 += dot(p3, p3.yzx + 33.33);\n return fract((p3.x + p3.y) * p3.z);\n}\n\n// This isn't a real Gaussian weight, it's a quadratic weight. It's what the\n// CPU mode's blur uses though, so we also use it here to match.\nfloat quadWeight(float x, float e) {\n return pow(e-abs(x), 2.);\n}\n\nvoid main(){\n vec2 uv = vTexCoord;\n\n // A reasonable maximum number of samples\n const float maxSamples = 64.0;\n\n float numSamples = floor(7. * radius);\n if (fract(numSamples / 2.) == 0.) {\n numSamples++;\n }\n vec4 avg = vec4(0.0);\n float total = 0.0;\n\n // Calculate the spacing to avoid skewing if numSamples > maxSamples\n float spacing = 1.0;\n if (numSamples > maxSamples) {\n spacing = numSamples / maxSamples;\n numSamples = maxSamples;\n }\n\n float randomOffset = (spacing - 1.0) * mix(-0.5, 0.5, random(gl_FragCoord.xy));\n for (float i = 0.0; i < maxSamples; i++) {\n if (i >= numSamples) break;\n\n float sample = i * spacing - (numSamples - 1.0) * 0.5 * spacing + randomOffset;\n vec2 sampleCoord = uv + vec2(sample, sample) / canvasSize * direction;\n float weight = quadWeight(sample, (numSamples - 1.0) * 0.5 * spacing);\n\n avg += weight * texture2D(tex0, sampleCoord);\n total += weight;\n }\n\n avg /= total;\n gl_FragColor = avg;\n}\n"),j(e,l.POSTERIZE,"// Limit color space for a stylized cartoon / poster effect\n\nprecision highp float;\n\nvarying vec2 vTexCoord;\n\nuniform sampler2D tex0;\nuniform float filterParameter;\n\nvec3 quantize(vec3 color, float n) {\n // restrict values to N options/bins\n // and floor each channel to nearest value\n //\n // eg. when N = 5, values = 0.0, 0.25, 0.50, 0.75, 1.0\n // then quantize (0.1, 0.7, 0.9) -> (0.0, 0.5, 1.0)\n\n color = color * n;\n color = floor(color);\n color = color / (n - 1.0);\n return color;\n}\n\nvoid main() {\n vec4 color = texture2D(tex0, vTexCoord);\n\n vec3 restrictedColor = quantize(color.rgb / color.a, filterParameter);\n\n gl_FragColor = vec4(restrictedColor.rgb * color.a, color.a);\n}\n"),j(e,l.OPAQUE,"// Set alpha channel to entirely opaque\n\nprecision highp float;\n\nvarying vec2 vTexCoord;\n\nuniform sampler2D tex0;\n\nvoid main() {\n vec4 color = texture2D(tex0, vTexCoord);\n gl_FragColor = vec4(color.rgb / color.a, 1.0);\n}\n"),j(e,l.INVERT,"// Set each pixel to inverse value\n// Note that original INVERT does not change the opacity, so this follows suit\n\nprecision highp float;\n\nvarying vec2 vTexCoord;\n\nuniform sampler2D tex0;\n\nvoid main() {\nvec4 color = texture2D(tex0, vTexCoord);\nvec3 origColor = color.rgb / color.a;\nvec3 invertedColor = vec3(1.0) - origColor;\ngl_FragColor = vec4(invertedColor * color.a, color.a);\n}\n"),j(e,l.THRESHOLD,"// Convert pixels to either white or black, \n// depending on if their luma is above or below filterParameter\n\nprecision highp float;\n\nvarying vec2 vTexCoord;\n\nuniform sampler2D tex0;\nuniform float filterParameter;\n\nfloat luma(vec3 color) {\n // weighted grayscale with luminance values\n return dot(color, vec3(0.2126, 0.7152, 0.0722));\n}\n\nvoid main() {\n vec4 color = texture2D(tex0, vTexCoord);\n float gray = luma(color.rgb / color.a);\n // floor() used to match src/image/filters.js\n float threshold = floor(filterParameter * 255.0) / 255.0;\n float blackOrWhite = step(threshold, gray);\n gl_FragColor = vec4(vec3(blackOrWhite) * color.a, color.a);\n}\n");var k=e;function O(e,t,r,o,n,s,i,a,l,u){var c=t.getParameter(t.FRAMEBUFFER_BINDING),r=(t.bindFramebuffer(t.FRAMEBUFFER,r),a===t.RGBA?4:3),d=s*i*r,h=l===t.UNSIGNED_BYTE?Uint8Array:Float32Array;if(e instanceof h&&e.length===d||(e=new h(d)),t.readPixels(o,u?u-n-i:n,s,i,a,l,e),t.bindFramebuffer(t.FRAMEBUFFER,c),u)for(var f=Math.floor(i/2),p=new h(s*r),m=0;m>7,127&d,c>>7,127&c);for(var h=0;h>7,127&f,0,0)}}return{cellImageInfo:a,dimOffset:t,dimImageInfo:n}}}}]),t}();B.default.RendererGL.prototype._renderText=function(e,t,r,o,n){if(this._textFont&&"string"!=typeof this._textFont){if(!(n<=o)&&this._doFill){if(this._isOpenType()){e.push();var n=this._doStroke,s=this.drawMode,i=(this._doStroke=!1,this.drawMode=E.TEXTURE,this._textFont.font),a=(a=this._textFont._fontInfo)||(this._textFont._fontInfo=new M(i)),r=this._textFont._handleAlignment(this,t,r,o),o=this._textSize/i.unitsPerEm,l=(this.translate(r.x,r.y,0),this.scale(o,o,1),this.GL),r=!this._defaultFontShader,u=this._getFontShader(),c=(u.init(),u.bindShader(),r&&(u.setUniform("uGridImageSize",[64,64]),u.setUniform("uCellsImageSize",[64,64]),u.setUniform("uStrokeImageSize",[64,64]),u.setUniform("uGridSize",[9,9])),this._applyColorBlend(this.curFillColor),this.retainedMode.geometry.glyph),d=(c||((o=this._textGeom=new B.default.Geometry(1,1,function(){for(var e=0;e<=1;e++)for(var t=0;t<=1;t++)this.vertices.push(new B.default.Vector(t,e,0)),this.uvs.push(t,e)})).computeFaces().computeNormals(),c=this.createBuffers("glyph",o)),!0),r=!1,o=void 0;try{for(var h,f=this.retainedMode.buffers.text[Symbol.iterator]();!(d=(h=f.next()).done);d=!0)h.value._prepareBuffer(c,u)}catch(e){r=!0,o=e}finally{try{d||null==f.return||f.return()}finally{if(r)throw o}}this._bindBuffer(c.indexBuffer,l.ELEMENT_ARRAY_BUFFER),u.setUniform("uMaterialColor",this.curFillColor),l.pixelStorei(l.UNPACK_PREMULTIPLY_ALPHA_WEBGL,!1);try{var p=0,m=null,y=i.stringToGlyphs(t),g=!0,v=!1,b=void 0;try{for(var j,_=y[Symbol.iterator]();!(g=(j=_.next()).done);g=!0){var x,w,S=j.value,T=(m&&(p+=i.getKerningValue(m,S)),a.getGlyphInfo(S));T.uGlyphRect&&(x=T.rowInfo,w=T.colInfo,u.setUniform("uSamplerStrokes",T.strokeImageInfo.imageData),u.setUniform("uSamplerRowStrokes",x.cellImageInfo.imageData),u.setUniform("uSamplerRows",x.dimImageInfo.imageData),u.setUniform("uSamplerColStrokes",w.cellImageInfo.imageData),u.setUniform("uSamplerCols",w.dimImageInfo.imageData),u.setUniform("uGridOffset",T.uGridOffset),u.setUniform("uGlyphRect",T.uGlyphRect),u.setUniform("uGlyphOffset",p),u.bindTextures(),l.drawElements(l.TRIANGLES,6,this.GL.UNSIGNED_SHORT,0)),p+=S.advanceWidth,m=S}}catch(e){v=!0,b=e}finally{try{g||null==_.return||_.return()}finally{if(v)throw b}}}finally{u.unbindShader(),this._doStroke=n,this.drawMode=s,l.pixelStorei(l.UNPACK_PREMULTIPLY_ALPHA_WEBGL,!0),e.pop()}}else console.log("WEBGL: only Opentype (.otf) and Truetype (.ttf) fonts are supported");return e}}else console.log("WEBGL: you must load and set a font before drawing text. See `loadFont` and `textFont` for more details.")}},{"../core/constants":272,"../core/main":283,"./p5.RendererGL.Retained":340,"./p5.Shader":342,"core-js/modules/es.array.iterator":165,"core-js/modules/es.object.get-own-property-descriptor":186,"core-js/modules/es.object.to-string":190,"core-js/modules/es.regexp.exec":195,"core-js/modules/es.string.iterator":200,"core-js/modules/es.string.split":206,"core-js/modules/es.string.sub":208,"core-js/modules/es.symbol":212,"core-js/modules/es.symbol.description":210,"core-js/modules/es.symbol.iterator":211,"core-js/modules/es.weak-map":244,"core-js/modules/web.dom-collections.iterator":246}]},{},[267])(267)}); \ No newline at end of file diff --git a/examples/instance-mode/02-chromatic-grain/sketch.js b/examples/instance-mode/02-chromatic-grain/sketch.js index 4e3899e..5f38960 100644 --- a/examples/instance-mode/02-chromatic-grain/sketch.js +++ b/examples/instance-mode/02-chromatic-grain/sketch.js @@ -9,6 +9,9 @@ const reusableSketch = (sketch) => { // Apply chromatic grain sketch.applyChromaticGrain(42); + + sketch.textSize(28); + sketch.text('instance 1:', 14, 36); } sketch.drawArtwork = () => { @@ -51,6 +54,9 @@ let myp5_2 = new p5((sketch) => { // draw the graphics buffer to the sketch's canvas sketch.image(pg, sketch.width/2-70, sketch.height/2-70); + + sketch.textSize(28); + sketch.text('instance 2:', 14, 36); } sketch.windowResized = () => { diff --git a/examples/instance-mode/03-tinker-pixels/lib/p5.grain.min.js b/examples/instance-mode/03-tinker-pixels/lib/p5.grain.min.js index 5f132fa..bdb8a1b 100644 --- a/examples/instance-mode/03-tinker-pixels/lib/p5.grain.min.js +++ b/examples/instance-mode/03-tinker-pixels/lib/p5.grain.min.js @@ -1,8 +1,8 @@ /**! * p5.grain * - * @version 0.7.0 + * @version 0.8.0 * @license MIT * @copyright meezwhite, Gorilla Sun */ -class P5Grain{version="0.7.0";instance;#t;#i;#n;constructor(){this.#t=Math.random,this.#i={frameCount:0},this.#n={frameCount:0,tX_anchor:0,tX:0,tY:0}}setup(t){void 0===t?this.#t=random:"object"==typeof t&&("function"==typeof t.random&&(this.#t=t.random),"object"==typeof t.instance&&(this.instance=t.instance))}granulateSimple(t,i,n){this.applyMonochromaticGrain(t,i,n)}applyMonochromaticGrain(t,i,n){const e=this.instance?this.instance.round(t):round(t),a=i||!1;n?n.loadPixels():this.instance?this.instance.loadPixels():loadPixels();const s=n?n.pixelDensity():this.instance?this.instance.pixelDensity():pixelDensity(),r=(n?n.width:this.instance?this.instance.width:width)*s*4*((n?n.height:this.instance?this.instance.height:height)*s),h=n?n.pixels:this.instance?this.instance.pixels:pixels;for(let t=0;t=n){const n=i&&i.amount?this.instance?this.instance.round(i.amount):round(i.amount):this.instance?this.instance.min(this.instance.width,this.instance.height):min(width,height),e=this.#t()*n,a=this.#t()*n,s=this.instance?this.instance.floor(e):floor(e),r=this.instance?this.instance.floor(a):floor(a),h=`${s}px ${r}px`;t instanceof HTMLElement?t.style.backgroundPosition=h:t instanceof SVGElement?(t.style.top=-r+"px",t.style.left=-s+"px"):t instanceof p5.Element&&t.style("background-position",h),this.#i.frameCount=0}}textureOverlay(t,i,n){const e=n instanceof p5.Graphics,a=e?n.width:this.instance?this.instance.width:width,s=e?n.height:this.instance?this.instance.height:height,r=i&&i.mode?i.mode:this.instance?this.instance.MULTIPLY:MULTIPLY,h=!(!i||!i.reflect)&&i.reflect,o=!(!i||!i.animate)&&i.animate,c=i&&i.animate&&i.animate.atFrame?this.instance?this.instance.round(i.animate.atFrame):round(i.animate.atFrame):2,l=i&&i.animate&&i.animate.amount?this.instance?this.instance.round(i.animate.amount):round(i.animate.amount):this.instance?this.instance.min(a,s):min(a,s),p=i&&"number"==typeof i.width?i.width:t.width,u=i&&"number"==typeof i.height?i.height:t.height;if(o&&(this.#n.frameCount+=1,this.#n.frameCount>=c)){const t=this.#t()*l,i=this.#t()*l;this.#n.tX_anchor=this.instance?-this.instance.floor(t):-floor(t),this.#n.tY=this.instance?-this.instance.floor(i):-floor(i),this.#n.frameCount=0}let m=this.#n.tX_anchor,d=this.#n.tY,x=!0,g=!0;for(n?n.blendMode(r):this.instance?this.instance.blendMode(r):blendMode(r);d=a){g=!0,m=this.#n.tX_anchor,d+=u;break}g=!g}x=!x}n?n.blendMode(this.instance?this.instance.BLEND:BLEND):this.instance?this.instance.blendMode(this.instance.BLEND):blendMode(BLEND),e&&n.reset()}#e(t,i){return t=Math.ceil(t),i=Math.floor(i),Math.floor(this.#t()*(i-t+1)+t)}}const p5grain=new P5Grain;p5.prototype.granulateSimple=function(t,i){return p5grain.granulateSimple(t,i)},p5.Graphics.prototype.granulateSimple=function(t,i){return p5grain.granulateSimple(t,i,this)},p5.prototype.granulateChannels=function(t,i){return p5grain.granulateChannels(t,i)},p5.Graphics.prototype.granulateChannels=function(t,i){return p5grain.granulateChannels(t,i,this)},p5.prototype.applyMonochromaticGrain=function(t,i){return p5grain.applyMonochromaticGrain(t,i)},p5.Graphics.prototype.applyMonochromaticGrain=function(t,i){return p5grain.applyMonochromaticGrain(t,i,this)},p5.prototype.applyChromaticGrain=function(t,i){return p5grain.applyChromaticGrain(t,i)},p5.Graphics.prototype.applyChromaticGrain=function(t,i){return p5grain.applyChromaticGrain(t,i,this)},p5.prototype.tinkerPixels=function(t,i){return p5grain.tinkerPixels(t,i)},p5.Graphics.prototype.tinkerPixels=function(t,i){return p5grain.tinkerPixels(t,i,this)},p5.prototype.loopPixels=function(t,i){return p5grain.loopPixels(t,i)},p5.Graphics.prototype.loopPixels=function(t,i){return p5grain.loopPixels(t,i,this)},p5.prototype.textureAnimate=function(t,i){return p5grain.textureAnimate(t,i)},p5.prototype.textureOverlay=function(t,i){return p5grain.textureOverlay(t,i)},p5.Graphics.prototype.textureOverlay=function(t,i){return p5grain.textureOverlay(t,i,this)}; +class P5Grain{version="0.8.0";instance;#t;#i;#e;#n;#a;constructor(){this.#s("float"),this.#n={frameCount:0},this.#a={frameCount:0,tX_anchor:0,tX:0,tY:0}}setup(t){"object"==typeof t&&("function"==typeof t.random&&(this.#t=t.random),"string"==typeof t.randomMode&&this.#s(t.randomMode),"object"==typeof t.instance&&(this.instance=t.instance)),void 0===this.#t&&(this.#t=p5.prototype.random)}applyMonochromaticGrain(t,i,e){const n=i||!1;let a,s,r,o;e?(e.loadPixels(),a=e.pixelDensity(),s=e.width,r=e.height,o=e.pixels):this.instance?(this.instance.loadPixels(),a=this.instance.pixelDensity(),s=this.instance.width,r=this.instance.height,o=this.instance.pixels):(loadPixels(),a=pixelDensity(),s=width,r=height,o=pixels);const h=s*a*4*(r*a),{min:p,max:c}=this.#r(-t,t);for(let t=0;t=e){const e=i&&i.amount?Math.round(i.amount):this.instance?Math.min(this.instance.width,this.instance.height):Math.min(width,height),n=this.#t()*e,a=this.#t()*e,s=Math.floor(n),r=Math.floor(a),o=`${s}px ${r}px`;t instanceof HTMLElement?t.style.backgroundPosition=o:t instanceof SVGElement?(t.style.top=-r+"px",t.style.left=-s+"px"):t instanceof p5.Element&&t.style("background-position",o),this.#n.frameCount=0}}textureOverlay(t,i,e){const n=e instanceof p5.Graphics;let a,s;n?(a=e.width,s=e.height):this.instance?(a=this.instance.width,s=this.instance.height):(a=width,s=height);const r=i&&i.mode?i.mode:this.instance?this.instance.MULTIPLY:MULTIPLY,o=!(!i||!i.reflect)&&i.reflect,h=!(!i||!i.animate)&&i.animate,p=i&&i.animate&&i.animate.atFrame?Math.round(i.animate.atFrame):2,c=i&&i.animate&&i.animate.amount?Math.round(i.animate.amount):Math.min(a,s),l=i&&"number"==typeof i.width?i.width:t.width,m=i&&"number"==typeof i.height?i.height:t.height;if(h&&(this.#a.frameCount+=1,this.#a.frameCount>=p)){const t=this.#t()*c,i=this.#t()*c;this.#a.tX_anchor=-Math.floor(t),this.#a.tY=-Math.floor(i),this.#a.frameCount=0}let d=this.#a.tX_anchor,u=this.#a.tY,x=!0,y=!0;for(e?e.blendMode(r):this.instance?this.instance.blendMode(r):blendMode(r);u=a){y=!0,d=this.#a.tX_anchor,u+=m;break}y=!y}x=!x}e?e.blendMode(this.instance?this.instance.BLEND:BLEND):this.instance?this.instance.blendMode(this.instance.BLEND):blendMode(BLEND),n&&e.reset()}#s(t){switch(t){case"int":this.#e=1,this.#i=this.#o;break;case"float":this.#e=0,this.#i=this.#h}}#r(t,i){return 1==this.#e?{min:Math.ceil(t),max:Math.floor(i)}:{min:t,max:i}}#o(t,i){return Math.floor(this.#t()*(i-t+1)+t)}#h(t,i){return this.#t()*(i-t)+t}}const p5grain=new P5Grain;p5.prototype.applyMonochromaticGrain=function(t,i){return p5grain.applyMonochromaticGrain(t,i)},p5.Graphics.prototype.applyMonochromaticGrain=function(t,i){return p5grain.applyMonochromaticGrain(t,i,this)},p5.Image.prototype.applyMonochromaticGrain=function(t,i){return p5grain.applyMonochromaticGrain(t,i,this)},p5.prototype.applyChromaticGrain=function(t,i){return p5grain.applyChromaticGrain(t,i)},p5.Graphics.prototype.applyChromaticGrain=function(t,i){return p5grain.applyChromaticGrain(t,i,this)},p5.Image.prototype.applyChromaticGrain=function(t,i){return p5grain.applyChromaticGrain(t,i,this)},p5.prototype.tinkerPixels=function(t,i){return p5grain.tinkerPixels(t,i)},p5.Graphics.prototype.tinkerPixels=function(t,i){return p5grain.tinkerPixels(t,i,this)},p5.Image.prototype.tinkerPixels=function(t,i){return p5grain.tinkerPixels(t,i,this)},p5.prototype.loopPixels=function(t,i){return p5grain.loopPixels(t,i)},p5.Graphics.prototype.loopPixels=function(t,i){return p5grain.loopPixels(t,i,this)},p5.Image.prototype.loopPixels=function(t,i){return p5grain.loopPixels(t,i,this)},p5.prototype.textureAnimate=function(t,i){return p5grain.textureAnimate(t,i)},p5.prototype.textureOverlay=function(t,i){return p5grain.textureOverlay(t,i)},p5.Graphics.prototype.textureOverlay=function(t,i){return p5grain.textureOverlay(t,i,this)}; 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e=this.canvas.id;JSON.stringify(this.ingredients.shapes)!==this.ingredients.pShapes&&(this.ingredients.pShapes=JSON.stringify(this.ingredients.shapes),this._accessibleOutputs.text&&this._updateTextOutput(e+"textOutput"),this._accessibleOutputs.grid&&this._updateGridOutput(e+"gridOutput"),this._accessibleOutputs.textLabel&&this._updateTextOutput(e+"textOutputLabel"),this._accessibleOutputs.gridLabel&&this._updateGridOutput(e+"gridOutputLabel"))},o.default.prototype._accsBackground=function(e){this.ingredients.pShapes=JSON.stringify(this.ingredients.shapes),this.ingredients.shapes={},this.ingredients.colors.backgroundRGBA!==e&&(this.ingredients.colors.backgroundRGBA=e,this.ingredients.colors.background=this._rgbColorName(e))},o.default.prototype._accsCanvasColors=function(e,t){"fill"===e?this.ingredients.colors.fillRGBA!==t&&(this.ingredients.colors.fillRGBA=t,this.ingredients.colors.fill=this._rgbColorName(t)):"stroke"===e&&this.ingredients.colors.strokeRGBA!==t&&(this.ingredients.colors.strokeRGBA=t,this.ingredients.colors.stroke=this._rgbColorName(t))},o.default.prototype._accsOutput=function(e,t){"ellipse"===e&&t[2]===t[3]?e="circle":"rectangle"===e&&t[2]===t[3]&&(e="square");var r,o,n={},s=!0,i=function(e,t){var r;e="rectangle"===e||"ellipse"===e||"arc"===e||"circle"===e||"square"===e?(r=Math.round(t[0]+t[2]/2),Math.round(t[1]+t[3]/2)):"triangle"===e?(r=(t[0]+t[2]+t[4])/3,(t[1]+t[3]+t[5])/3):"quadrilateral"===e?(r=(t[0]+t[2]+t[4]+t[6])/4,(t[1]+t[3]+t[5]+t[7])/4):"line"===e?(r=(t[0]+t[2])/2,(t[1]+t[3])/2):(r=t[0],t[1]);return[r,e]}(e,t);if("line"===e?(n.color=this.ingredients.colors.stroke,n.length=Math.round(this.dist(t[0],t[1],t[2],t[3])),r=this._getPos(t[0],[1]),o=this._getPos(t[2],[3]),n.loc=u(i,this.width,this.height),n.pos=r===o?"at ".concat(r):"from ".concat(r," to ").concat(o)):("point"===e?n.color=this.ingredients.colors.stroke:(n.color=this.ingredients.colors.fill,n.area=this._getArea(e,t)),n.pos=this._getPos.apply(this,l(i)),n.loc=u(i,this.width,this.height)),this.ingredients.shapes[e]){if(this.ingredients.shapes[e]!==[n]){for(var a in this.ingredients.shapes[e])JSON.stringify(this.ingredients.shapes[e][a])===JSON.stringify(n)&&(s=!1);!0===s&&this.ingredients.shapes[e].push(n)}}else this.ingredients.shapes[e]=[n]},o.default.prototype._getPos=function(e,t){var e=new DOMPointReadOnly(e,t),t=this._renderer.isP3D?new DOMMatrix(this._renderer.uMVMatrix.mat4):this.drawingContext.getTransform(),e=e.matrixTransform(t),t=e.x,e=e.y,r=this.width,o=this.height;return t<.4*r?e<.4*o?"top left":.6*oMath.PI?n+=o:n-=o)):"ellipse"===e||"circle"===e?n=3.14*t[2]/2*t[3]/2:"line"===e||"point"===e?n=0:"quadrilateral"===e?n=Math.abs((t[6]+t[0])*(t[7]-t[1])+(t[0]+t[2])*(t[1]-t[3])+(t[2]+t[4])*(t[3]-t[5])+(t[4]+t[6])*(t[5]-t[7]))/2:"rectangle"===e||"square"===e?n=t[2]*t[3]:"triangle"===e&&(n=Math.abs(t[0]*(t[3]-t[5])+t[2]*(t[5]-t[1])+t[4]*(t[1]-t[3]))/2),this.width*this._pixelDensity),i=this.height*this._pixelDensity,a=[new DOMPoint(0,0),new DOMPoint(s,0),new DOMPoint(s,i),new DOMPoint(0,i)],l=(this._renderer.isP3D?new 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strict";e("core-js/modules/es.array.concat"),e("core-js/modules/es.array.concat"),Object.defineProperty(r,"__esModule",{value:!0}),r.default=void 0;e=(e=e("../core/main"))&&e.__esModule?e:{default:e};e.default.prototype._updateTextOutput=function(e){var t,r,o,n;this.dummyDOM.querySelector("#".concat(e,"_summary"))&&(t=this._accessibleOutputs[e],o=function(e,t,r,o){r="Your output is a, ".concat(r," by ").concat(o," pixels, ").concat(t," canvas containing the following");r=1===e?"".concat(r," shape:"):"".concat(r," ").concat(e," shapes:");return r}((r=function(e,t){var r,o="",n=0;for(r in t)for(var s in t[r]){var i='
                      • ').concat(t[r][s].color," ").concat(r,"");"line"===r?i+=", ".concat(t[r][s].pos,", ").concat(t[r][s].length," pixels long.
                        • "):(i+=", at ".concat(t[r][s].pos),"point"!==r&&(i+=", covering ".concat(t[r][s].area,"% of the canvas")),i+="."),o+=i,n++}return{numShapes:n,listShapes:o}}(e,this.ingredients.shapes)).numShapes,this.ingredients.colors.background,this.width,this.height),n=function(e,t){var r,o="",n=0;for(r in t)for(var s in t[r]){var i='').concat(t[r][s].color," ").concat(r,"");"line"===r?i+="location = ".concat(t[r][s].pos,"length = ").concat(t[r][s].length," pixels"):(i+="location = ".concat(t[r][s].pos,""),"point"!==r&&(i+=" area = ".concat(t[r][s].area,"%")),i+=""),o+=i,n++}return o}(e,this.ingredients.shapes),o!==t.summary.innerHTML&&(t.summary.innerHTML=o),r.listShapes!==t.list.innerHTML&&(t.list.innerHTML=r.listShapes),n!==t.shapeDetails.innerHTML&&(t.shapeDetails.innerHTML=n),this._accessibleOutputs[e]=t)};e=e.default;r.default=e},{"../core/main":275,"core-js/modules/es.array.concat":151}],259:[function(e,t,r){"use strict";var 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curve (after t1)?\n if (y1 ? !y2 : y0) {\n // add the coverage for t1\n coverage.x += saturate(C1.x + 0.5);\n // calculate the anti-aliasing for t1\n weight.x = min(weight.x, abs(C1.x));\n }\n\n // are we outside the curve (after t2)?\n if (y1 ? !y0 : y2) {\n // subtract the coverage for t2\n coverage.x -= saturate(C2.x + 0.5);\n // calculate the anti-aliasing for t2\n weight.x = min(weight.x, abs(C2.x));\n }\n}\n\n// this is essentially the same as coverageX, but with the axes swapped\nvoid coverageY(vec2 p0, vec2 p1, vec2 p2) {\n\n vec2 C1, C2;\n calulateCrossings(p0, p1, p2, C1, C2);\n\n bool x0 = p0.x > vTexCoord.x;\n bool x1 = p1.x > vTexCoord.x;\n bool x2 = p2.x > vTexCoord.x;\n\n if (x1 ? !x2 : x0) {\n coverage.y -= saturate(C1.y + 0.5);\n weight.y = min(weight.y, abs(C1.y));\n }\n\n if (x1 ? !x0 : x2) {\n coverage.y += saturate(C2.y + 0.5);\n weight.y = min(weight.y, abs(C2.y));\n }\n}\n\nvoid main() {\n\n // calculate the pixel scale based on screen-coordinates\n pixelScale = hardness / fwidth(vTexCoord);\n\n // which grid cell is this pixel in?\n ivec2 gridCoord = ifloor(vTexCoord * vec2(uGridSize));\n\n // intersect curves in this row\n {\n // the index into the row info bitmap\n int rowIndex = gridCoord.y + uGridOffset.y;\n // fetch the info texel\n vec4 rowInfo = getTexel(uSamplerRows, rowIndex, uGridImageSize);\n // unpack the rowInfo\n int rowStrokeIndex = getInt16(rowInfo.xy);\n int rowStrokeCount = getInt16(rowInfo.zw);\n\n for (int iRowStroke = INT(0); iRowStroke < N; iRowStroke++) {\n if (iRowStroke >= rowStrokeCount)\n break;\n\n // each stroke is made up of 3 points: the start and control point\n // and the start of the next curve.\n // fetch the indices of this pair of strokes:\n vec4 strokeIndices = getTexel(uSamplerRowStrokes, rowStrokeIndex++, uCellsImageSize);\n\n // unpack the stroke index\n int strokePos = getInt16(strokeIndices.xy);\n\n // fetch the two strokes\n vec4 stroke0 = getTexel(uSamplerStrokes, strokePos + INT(0), uStrokeImageSize);\n vec4 stroke1 = getTexel(uSamplerStrokes, strokePos + INT(1), uStrokeImageSize);\n\n // calculate the coverage\n coverageX(stroke0.xy, stroke0.zw, stroke1.xy);\n }\n }\n\n // intersect curves in this column\n {\n int colIndex = gridCoord.x + uGridOffset.x;\n vec4 colInfo = getTexel(uSamplerCols, colIndex, uGridImageSize);\n int colStrokeIndex = getInt16(colInfo.xy);\n int colStrokeCount = getInt16(colInfo.zw);\n \n for (int iColStroke = INT(0); iColStroke < N; iColStroke++) {\n if (iColStroke >= colStrokeCount)\n break;\n\n vec4 strokeIndices = getTexel(uSamplerColStrokes, colStrokeIndex++, uCellsImageSize);\n\n int strokePos = getInt16(strokeIndices.xy);\n vec4 stroke0 = getTexel(uSamplerStrokes, strokePos + INT(0), uStrokeImageSize);\n vec4 stroke1 = getTexel(uSamplerStrokes, strokePos + INT(1), uStrokeImageSize);\n coverageY(stroke0.xy, stroke0.zw, stroke1.xy);\n }\n }\n\n weight = saturate(1.0 - weight * 2.0);\n float distance = max(weight.x + weight.y, minDistance); // manhattan approx.\n float antialias = abs(dot(coverage, weight) / distance);\n float cover = min(abs(coverage.x), abs(coverage.y));\n OUT_COLOR = vec4(uMaterialColor.rgb, 1.) * uMaterialColor.a;\n OUT_COLOR *= saturate(max(antialias, cover));\n}\n",lineVert:T+"/*\n Part of the Processing project - http://processing.org\n Copyright (c) 2012-15 The Processing Foundation\n Copyright (c) 2004-12 Ben Fry and Casey Reas\n Copyright (c) 2001-04 Massachusetts Institute of Technology\n This library is free software; you can redistribute it and/or\n modify it under the terms of the GNU Lesser General Public\n License as published by the Free Software Foundation, version 2.1.\n This library is distributed in the hope that it will be useful,\n but WITHOUT ANY WARRANTY; without even the implied warranty of\n MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU\n Lesser General Public License for more details.\n You should have received a copy of the GNU Lesser General\n Public License along with this library; if not, write to the\n Free Software Foundation, Inc., 59 Temple Place, Suite 330,\n Boston, MA 02111-1307 USA\n*/\n\n#define PROCESSING_LINE_SHADER\n\nprecision mediump int;\n\nuniform mat4 uModelViewMatrix;\nuniform mat4 uProjectionMatrix;\nuniform float uStrokeWeight;\n\nuniform bool uUseLineColor;\nuniform vec4 uMaterialColor;\n\nuniform vec4 uViewport;\nuniform int uPerspective;\nuniform int uStrokeJoin;\n\nIN vec4 aPosition;\nIN vec3 aTangentIn;\nIN vec3 aTangentOut;\nIN float aSide;\nIN vec4 aVertexColor;\n\nOUT vec4 vColor;\nOUT vec2 vTangent;\nOUT vec2 vCenter;\nOUT vec2 vPosition;\nOUT float vMaxDist;\nOUT float vCap;\nOUT float vJoin;\n\nvec2 lineIntersection(vec2 aPoint, vec2 aDir, vec2 bPoint, vec2 bDir) {\n // Rotate and translate so a starts at the origin and goes out to the right\n bPoint -= aPoint;\n vec2 rotatedBFrom = vec2(\n bPoint.x*aDir.x + bPoint.y*aDir.y,\n bPoint.y*aDir.x - bPoint.x*aDir.y\n );\n vec2 bTo = bPoint + bDir;\n vec2 rotatedBTo = vec2(\n bTo.x*aDir.x + bTo.y*aDir.y,\n bTo.y*aDir.x - bTo.x*aDir.y\n );\n float intersectionDistance =\n rotatedBTo.x + (rotatedBFrom.x - rotatedBTo.x) * rotatedBTo.y /\n (rotatedBTo.y - rotatedBFrom.y);\n return aPoint + aDir * intersectionDistance;\n}\n\nvoid main() {\n // Caps have one of either the in or out tangent set to 0\n vCap = (aTangentIn == vec3(0.)) != (aTangentOut == (vec3(0.)))\n ? 1. : 0.;\n\n // Joins have two unique, defined tangents\n vJoin = (\n aTangentIn != vec3(0.) &&\n aTangentOut != vec3(0.) &&\n aTangentIn != aTangentOut\n ) ? 1. : 0.;\n\n vec4 posp = uModelViewMatrix * aPosition;\n vec4 posqIn = uModelViewMatrix * (aPosition + vec4(aTangentIn, 0));\n vec4 posqOut = uModelViewMatrix * (aPosition + vec4(aTangentOut, 0));\n\n float facingCamera = pow(\n // The word space tangent's z value is 0 if it's facing the camera\n abs(normalize(posqIn-posp).z),\n\n // Using pow() here to ramp `facingCamera` up from 0 to 1 really quickly\n // so most lines get scaled and don't get clipped\n 0.25\n );\n\n // using a scale <1 moves the lines towards the camera\n // in order to prevent popping effects due to half of\n // the line disappearing behind the geometry faces.\n float scale = mix(1., 0.995, facingCamera);\n\n // Moving vertices slightly toward the camera\n // to avoid depth-fighting with the fill triangles.\n // Discussed here:\n // http://www.opengl.org/discussion_boards/ubbthreads.php?ubb=showflat&Number=252848 \n posp.xyz = posp.xyz * scale;\n posqIn.xyz = posqIn.xyz * scale;\n posqOut.xyz = posqOut.xyz * scale;\n\n vec4 p = uProjectionMatrix * posp;\n vec4 qIn = uProjectionMatrix * posqIn;\n vec4 qOut = uProjectionMatrix * posqOut;\n vCenter = p.xy;\n\n // formula to convert from clip space (range -1..1) to screen space (range 0..[width or height])\n // screen_p = (p.xy/p.w + <1,1>) * 0.5 * uViewport.zw\n\n // prevent division by W by transforming the tangent formula (div by 0 causes\n // the line to disappear, see https://github.com/processing/processing/issues/5183)\n // t = screen_q - screen_p\n //\n // tangent is normalized and we don't care which aDirection it points to (+-)\n // t = +- normalize( screen_q - screen_p )\n // t = +- normalize( (q.xy/q.w+<1,1>)*0.5*uViewport.zw - (p.xy/p.w+<1,1>)*0.5*uViewport.zw )\n //\n // extract common factor, <1,1> - <1,1> cancels out\n // t = +- normalize( (q.xy/q.w - p.xy/p.w) * 0.5 * uViewport.zw )\n //\n // convert to common divisor\n // t = +- normalize( ((q.xy*p.w - p.xy*q.w) / (p.w*q.w)) * 0.5 * uViewport.zw )\n //\n // remove the common scalar divisor/factor, not needed due to normalize and +-\n // (keep uViewport - can't remove because it has different components for x and y\n // and corrects for aspect ratio, see https://github.com/processing/processing/issues/5181)\n // t = +- normalize( (q.xy*p.w - p.xy*q.w) * uViewport.zw )\n\n vec2 tangentIn = normalize((qIn.xy*p.w - p.xy*qIn.w) * uViewport.zw);\n vec2 tangentOut = normalize((qOut.xy*p.w - p.xy*qOut.w) * uViewport.zw);\n\n vec2 curPerspScale;\n if(uPerspective == 1) {\n // Perspective ---\n // convert from world to clip by multiplying with projection scaling factor\n // to get the right thickness (see https://github.com/processing/processing/issues/5182)\n\n // The y value of the projection matrix may be flipped if rendering to a Framebuffer.\n // Multiplying again by its sign here negates the flip to get just the scale.\n curPerspScale = (uProjectionMatrix * vec4(1, sign(uProjectionMatrix[1][1]), 0, 0)).xy;\n } else {\n // No Perspective ---\n // multiply by W (to cancel out division by W later in the pipeline) and\n // convert from screen to clip (derived from clip to screen above)\n curPerspScale = p.w / (0.5 * uViewport.zw);\n }\n\n vec2 offset;\n if (vJoin == 1.) {\n vTangent = normalize(tangentIn + tangentOut);\n vec2 normalIn = vec2(-tangentIn.y, tangentIn.x);\n vec2 normalOut = vec2(-tangentOut.y, tangentOut.x);\n float side = sign(aSide);\n float sideEnum = abs(aSide);\n\n // We generate vertices for joins on either side of the centerline, but\n // the \"elbow\" side is the only one needing a join. By not setting the\n // offset for the other side, all its vertices will end up in the same\n // spot and not render, effectively discarding it.\n if (sign(dot(tangentOut, vec2(-tangentIn.y, tangentIn.x))) != side) {\n // Side enums:\n // 1: the side going into the join\n // 2: the middle of the join\n // 3: the side going out of the join\n if (sideEnum == 2.) {\n // Calculate the position + tangent on either side of the join, and\n // find where the lines intersect to find the elbow of the join\n vec2 c = (posp.xy/posp.w + vec2(1.,1.)) * 0.5 * uViewport.zw;\n vec2 intersection = lineIntersection(\n c + (side * normalIn * uStrokeWeight / 2.),\n tangentIn,\n c + (side * normalOut * uStrokeWeight / 2.),\n tangentOut\n );\n offset = (intersection - c);\n\n // When lines are thick and the angle of the join approaches 180, the\n // elbow might be really far from the center. We'll apply a limit to\n // the magnitude to avoid lines going across the whole screen when this\n // happens.\n float mag = length(offset);\n float maxMag = 3. * uStrokeWeight;\n if (mag > maxMag) {\n offset *= maxMag / mag;\n }\n } else if (sideEnum == 1.) {\n offset = side * normalIn * uStrokeWeight / 2.;\n } else if (sideEnum == 3.) {\n offset = side * normalOut * uStrokeWeight / 2.;\n }\n }\n if (uStrokeJoin == STROKE_JOIN_BEVEL) {\n vec2 avgNormal = vec2(-vTangent.y, vTangent.x);\n vMaxDist = abs(dot(avgNormal, normalIn * uStrokeWeight / 2.));\n } else {\n vMaxDist = uStrokeWeight / 2.;\n }\n } else {\n vec2 tangent = aTangentIn == vec3(0.) ? tangentOut : tangentIn;\n vTangent = tangent;\n vec2 normal = vec2(-tangent.y, tangent.x);\n\n float normalOffset = sign(aSide);\n // Caps will have side values of -2 or 2 on the edge of the cap that\n // extends out from the line\n float tangentOffset = abs(aSide) - 1.;\n offset = (normal * normalOffset + tangent * tangentOffset) *\n uStrokeWeight * 0.5;\n vMaxDist = uStrokeWeight / 2.;\n }\n vPosition = vCenter + offset;\n\n gl_Position.xy = p.xy + offset.xy * curPerspScale;\n gl_Position.zw = p.zw;\n \n vColor = (uUseLineColor ? aVertexColor : uMaterialColor);\n}\n",lineFrag:T+"precision mediump int;\n\nuniform vec4 uMaterialColor;\nuniform int uStrokeCap;\nuniform int uStrokeJoin;\nuniform float uStrokeWeight;\n\nIN vec4 vColor;\nIN vec2 vTangent;\nIN vec2 vCenter;\nIN vec2 vPosition;\nIN float vMaxDist;\nIN float vCap;\nIN float vJoin;\n\nfloat distSquared(vec2 a, vec2 b) {\n vec2 aToB = b - a;\n return dot(aToB, aToB);\n}\n\nvoid main() {\n if (vCap > 0.) {\n if (\n uStrokeCap == STROKE_CAP_ROUND &&\n distSquared(vPosition, vCenter) > uStrokeWeight * uStrokeWeight * 0.25\n ) {\n discard;\n } else if (\n uStrokeCap == STROKE_CAP_SQUARE &&\n dot(vPosition - vCenter, vTangent) > 0.\n ) {\n discard;\n }\n // Use full area for PROJECT\n } else if (vJoin > 0.) {\n if (\n uStrokeJoin == STROKE_JOIN_ROUND &&\n distSquared(vPosition, vCenter) > uStrokeWeight * uStrokeWeight * 0.25\n ) {\n discard;\n } else if (uStrokeJoin == STROKE_JOIN_BEVEL) {\n vec2 normal = vec2(-vTangent.y, vTangent.x);\n if (abs(dot(vPosition - vCenter, normal)) > vMaxDist) {\n discard;\n }\n }\n // Use full area for MITER\n }\n OUT_COLOR = vec4(vColor.rgb, 1.) * vColor.a;\n}\n",pointVert:"IN vec3 aPosition;\nuniform float uPointSize;\nOUT float vStrokeWeight;\nuniform mat4 uModelViewMatrix;\nuniform mat4 uProjectionMatrix;\nvoid main() {\n\tvec4 positionVec4 = vec4(aPosition, 1.0);\n\tgl_Position = uProjectionMatrix * uModelViewMatrix * positionVec4;\n\tgl_PointSize = uPointSize;\n\tvStrokeWeight = uPointSize;\n}\n",pointFrag:"precision mediump int;\nuniform vec4 uMaterialColor;\nIN float vStrokeWeight;\n\nvoid main(){\n float mask = 0.0;\n\n // make a circular mask using the gl_PointCoord (goes from 0 - 1 on a point)\n // might be able to get a nicer edge on big strokeweights with smoothstep but slightly less performant\n\n mask = step(0.98, length(gl_PointCoord * 2.0 - 1.0));\n\n // if strokeWeight is 1 or less lets just draw a square\n // this prevents weird artifacting from carving circles when our points are really small\n // if strokeWeight is larger than 1, we just use it as is\n\n mask = mix(0.0, mask, clamp(floor(vStrokeWeight - 0.5),0.0,1.0));\n\n // throw away the borders of the mask\n // otherwise we get weird alpha blending issues\n\n if(mask > 0.98){\n discard;\n }\n\n OUT_COLOR = vec4(uMaterialColor.rgb, 1.) * uMaterialColor.a;\n}\n",imageLightVert:"precision highp float;\nattribute vec3 aPosition;\nattribute vec3 aNormal;\nattribute vec2 aTexCoord;\n\nvarying vec3 localPos;\nvarying vec3 vWorldNormal;\nvarying vec3 vWorldPosition;\nvarying vec2 vTexCoord;\n\nuniform mat4 uModelViewMatrix;\nuniform mat4 uProjectionMatrix;\nuniform mat3 uNormalMatrix;\n\nvoid main() {\n // Multiply the position by the matrix.\n vec4 viewModelPosition = uModelViewMatrix * vec4(aPosition, 1.0);\n gl_Position = uProjectionMatrix * viewModelPosition; \n \n // orient the normals and pass to the fragment shader\n vWorldNormal = uNormalMatrix * aNormal;\n \n // send the view position to the fragment shader\n vWorldPosition = (uModelViewMatrix * vec4(aPosition, 1.0)).xyz;\n \n localPos = vWorldPosition;\n vTexCoord = aTexCoord;\n}\n\n\n/*\nin the vertex shader we'll compute the world position and world oriented normal of the vertices and pass those to the fragment shader as varyings.\n*/\n",imageLightDiffusedFrag:"precision highp float;\nvarying vec3 localPos;\n\n// the HDR cubemap converted (can be from an equirectangular environment map.)\nuniform sampler2D environmentMap;\nvarying vec2 vTexCoord;\n\nconst float PI = 3.14159265359;\n\nvec2 nTOE( vec3 v ){\n // x = r sin(phi) cos(theta) \n // y = r cos(phi) \n // z = r sin(phi) sin(theta)\n float phi = acos( v.y );\n // if phi is 0, then there are no x, z components\n float theta = 0.0;\n // else \n theta = acos(v.x / sin(phi));\n float sinTheta = v.z / sin(phi);\n if (sinTheta < 0.0) {\n // Turn it into -theta, but in the 0-2PI range\n theta = 2.0 * PI - theta;\n }\n theta = theta / (2.0 * 3.14159);\n phi = phi / 3.14159 ;\n \n vec2 angles = vec2( phi, theta );\n return angles;\n}\n\nvoid main()\n{ \t \n\t// the sample direction equals the hemisphere's orientation\n float phi = vTexCoord.x * 2.0 * PI;\n float theta = vTexCoord.y * PI;\n float x = sin(theta) * cos(phi);\n float y = sin(theta) * sin(phi);\n float z = cos(theta);\n vec3 normal = vec3( x, y, z);\n\n\t// Discretely sampling the hemisphere given the integral's\n // spherical coordinates translates to the following fragment code:\n\tvec3 irradiance = vec3(0.0); \n\tvec3 up\t= vec3(0.0, 1.0, 0.0);\n\tvec3 right = normalize(cross(up, normal));\n\tup = normalize(cross(normal, right));\n\n\t// We specify a fixed sampleDelta delta value to traverse\n // the hemisphere; decreasing or increasing the sample delta\n // will increase or decrease the accuracy respectively.\n\tconst float sampleDelta = 0.025;\n\tfloat nrSamples = 0.0;\n \n\tfor(float phi = 0.0; phi < 2.0 * PI; phi += sampleDelta)\n\t{\n for(float theta = 0.0; theta < ( 0.5 ) * PI; theta += sampleDelta)\n {\n // spherical to cartesian (in tangent space) // tangent space to world // add each sample result to irradiance\n float x = sin(theta) * cos(phi);\n float y = sin(theta) * sin(phi);\n float z = cos(theta);\n vec3 tangentSample = vec3( x, y, z);\n \n vec3 sampleVec = tangentSample.x * right + tangentSample.y * up + tangentSample.z * normal;\n irradiance += (texture2D(environmentMap, nTOE(sampleVec)).xyz) * cos(theta) * sin(theta);\n nrSamples++;\n }\n\t}\n\t// divide by the total number of samples taken, giving us the average sampled irradiance.\n\tirradiance = PI * irradiance * (1.0 / float(nrSamples )) ;\n \n \n\tgl_FragColor = vec4(irradiance, 1.0);\n}",imageLightSpecularFrag:"precision highp float;\r\nvarying vec3 localPos;\r\nvarying vec2 vTexCoord;\r\n\r\n// our texture\r\nuniform sampler2D environmentMap;\r\nuniform float roughness;\r\n\r\nconst float PI = 3.14159265359;\r\n\r\nfloat VanDerCorput(int bits);\r\nvec2 HammersleyNoBitOps(int i, int N);\r\nvec3 ImportanceSampleGGX(vec2 Xi, vec3 N, float roughness);\r\n\r\n\r\nvec2 nTOE( vec3 v ){\r\n // x = r sin(phi) cos(theta) \r\n // y = r cos(phi) \r\n // z = r sin(phi) sin(theta)\r\n float phi = acos( v.y );\r\n // if phi is 0, then there are no x, z components\r\n float theta = 0.0;\r\n // else \r\n theta = acos(v.x / sin(phi));\r\n float sinTheta = v.z / sin(phi);\r\n if (sinTheta < 0.0) {\r\n // Turn it into -theta, but in the 0-2PI range\r\n theta = 2.0 * PI - theta;\r\n }\r\n theta = theta / (2.0 * 3.14159);\r\n phi = phi / 3.14159 ;\r\n \r\n vec2 angles = vec2( phi, theta );\r\n return angles;\r\n}\r\n\r\n\r\nvoid main(){\r\n const int SAMPLE_COUNT = 1024; // 4096\r\n float totalWeight = 0.0;\r\n vec3 prefilteredColor = vec3(0.0);\r\n float phi = vTexCoord.x * 2.0 * PI;\r\n float theta = vTexCoord.y * PI;\r\n float x = sin(theta) * cos(phi);\r\n float y = sin(theta) * sin(phi);\r\n float z = cos(theta);\r\n vec3 N = vec3(x,y,z);\r\n vec3 V = N;\r\n for (int i = 0; i < SAMPLE_COUNT; ++i)\r\n {\r\n vec2 Xi = HammersleyNoBitOps(i, SAMPLE_COUNT);\r\n vec3 H = ImportanceSampleGGX(Xi, N, roughness);\r\n vec3 L = normalize(2.0 * dot(V, H) * H - V);\r\n\r\n float NdotL = max(dot(N, L), 0.0);\r\n if (NdotL > 0.0)\r\n {\r\n prefilteredColor += texture2D(environmentMap, nTOE(L)).xyz * NdotL;\r\n totalWeight += NdotL;\r\n }\r\n }\r\n prefilteredColor = prefilteredColor / totalWeight;\r\n\r\n gl_FragColor = vec4(prefilteredColor, 1.0);\r\n}\r\n\r\nvec3 ImportanceSampleGGX(vec2 Xi, vec3 N, float roughness){\r\n float a = roughness * roughness;\r\n\r\n float phi = 2.0 * PI * Xi.x;\r\n float cosTheta = sqrt((1.0 - Xi.y) / (1.0 + (a * a - 1.0) * Xi.y));\r\n float sinTheta = sqrt(1.0 - cosTheta * cosTheta);\r\n // from spherical coordinates to cartesian coordinates\r\n vec3 H;\r\n H.x = cos(phi) * sinTheta;\r\n H.y = sin(phi) * sinTheta;\r\n H.z = cosTheta;\r\n\r\n // from tangent-space vector to world-space sample vector\r\n vec3 up = abs(N.z) < 0.999 ? vec3(0.0, 0.0, 1.0) : vec3(1.0, 0.0, 0.0);\r\n vec3 tangent = normalize(cross(up, N));\r\n vec3 bitangent = cross(N, tangent);\r\n\r\n vec3 sampleVec = tangent * H.x + bitangent * H.y + N * H.z;\r\n return normalize(sampleVec);\r\n}\r\n\r\n\r\nfloat VanDerCorput(int n, int base)\r\n{\r\n float invBase = 1.0 / float(base);\r\n float denom = 1.0;\r\n float result = 0.0;\r\n\r\n for (int i = 0; i < 32; ++i)\r\n {\r\n\tif (n > 0)\r\n\t{\r\n \tdenom = mod(float(n), 2.0);\r\n \tresult += denom * invBase;\r\n \tinvBase = invBase / 2.0;\r\n \tn = int(float(n) / 2.0);\r\n\t}\r\n }\r\n\r\n return result;\r\n}\r\n\r\nvec2 HammersleyNoBitOps(int i, int N)\r\n{\r\n return vec2(float(i) / float(N), VanDerCorput(i, 2));\r\n}\r\n"};for(x in M)M[x]="#ifdef WEBGL2\n\n#define IN in\n#define OUT out\n\n#ifdef FRAGMENT_SHADER\nout vec4 outColor;\n#define OUT_COLOR outColor\n#endif\n#define TEXTURE texture\n\n#else\n\n#ifdef FRAGMENT_SHADER\n#define IN varying\n#else\n#define IN attribute\n#endif\n#define OUT varying\n#define TEXTURE texture2D\n\n#ifdef FRAGMENT_SHADER\n#define OUT_COLOR gl_FragColor\n#endif\n\n#endif\n"+M[x];j(e={},l.GRAY,"precision highp float;\n\nvarying vec2 vTexCoord;\n\nuniform sampler2D tex0;\n\nfloat luma(vec3 color) {\n // weighted grayscale with luminance values\n return dot(color, vec3(0.2126, 0.7152, 0.0722));\n}\n\nvoid main() {\n vec4 tex = texture2D(tex0, vTexCoord);\n float gray = luma(tex.rgb);\n gl_FragColor = vec4(gray, gray, gray, tex.a);\n}\n"),j(e,l.ERODE,"// Reduces the bright areas in an image\n\nprecision highp float;\n\nvarying vec2 vTexCoord;\n\nuniform sampler2D tex0;\nuniform vec2 texelSize;\n\nfloat luma(vec3 color) {\n // weighted grayscale with luminance values\n // weights 77, 151, 28 taken from src/image/filters.js\n return dot(color, vec3(0.300781, 0.589844, 0.109375));\n}\n\nvoid main() {\n vec4 color = texture2D(tex0, vTexCoord);\n float lum = luma(color.rgb);\n\n // set current color as the darkest neighbor color\n\n vec4 neighbors[4];\n neighbors[0] = texture2D(tex0, vTexCoord + vec2( texelSize.x, 0.0));\n neighbors[1] = texture2D(tex0, vTexCoord + vec2(-texelSize.x, 0.0));\n neighbors[2] = texture2D(tex0, vTexCoord + vec2(0.0, texelSize.y));\n neighbors[3] = texture2D(tex0, vTexCoord + vec2(0.0, -texelSize.y));\n\n for (int i = 0; i < 4; i++) {\n vec4 neighborColor = neighbors[i];\n float neighborLum = luma(neighborColor.rgb);\n\n if (neighborLum < lum) {\n color = neighborColor;\n lum = neighborLum;\n }\n }\n\n gl_FragColor = color;\n}\n"),j(e,l.DILATE,"// Increase the bright areas in an image\n\nprecision highp float;\n\nvarying vec2 vTexCoord;\n\nuniform sampler2D tex0;\nuniform vec2 texelSize;\n\nfloat luma(vec3 color) {\n // weighted grayscale with luminance values\n // weights 77, 151, 28 taken from src/image/filters.js\n return dot(color, vec3(0.300781, 0.589844, 0.109375));\n}\n\nvoid main() {\n vec4 color = texture2D(tex0, vTexCoord);\n float lum = luma(color.rgb);\n\n // set current color as the brightest neighbor color\n\n vec4 neighbors[4];\n neighbors[0] = texture2D(tex0, vTexCoord + vec2( texelSize.x, 0.0));\n neighbors[1] = texture2D(tex0, vTexCoord + vec2(-texelSize.x, 0.0));\n neighbors[2] = texture2D(tex0, vTexCoord + vec2(0.0, texelSize.y));\n neighbors[3] = texture2D(tex0, vTexCoord + vec2(0.0, -texelSize.y));\n\n for (int i = 0; i < 4; i++) {\n vec4 neighborColor = neighbors[i];\n float neighborLum = luma(neighborColor.rgb);\n\n if (neighborLum > lum) {\n color = neighborColor;\n lum = neighborLum;\n }\n }\n\n gl_FragColor = color;\n}\n"),j(e,l.BLUR,"precision highp float;\n\n// Two-pass blur filter, unweighted kernel.\n// See also a similar blur at Adam Ferriss' repo of shader examples:\n// https://github.com/aferriss/p5jsShaderExamples/blob/gh-pages/4_image-effects/4-9_single-pass-blur/effect.frag\n\n\nuniform sampler2D tex0;\nvarying vec2 vTexCoord;\nuniform vec2 direction;\nuniform vec2 canvasSize;\nuniform float radius;\n\nfloat random(vec2 p) {\n vec3 p3 = fract(vec3(p.xyx) * .1031);\n p3 += dot(p3, p3.yzx + 33.33);\n return fract((p3.x + p3.y) * p3.z);\n}\n\n// This isn't a real Gaussian weight, it's a quadratic weight. It's what the\n// CPU mode's blur uses though, so we also use it here to match.\nfloat quadWeight(float x, float e) {\n return pow(e-abs(x), 2.);\n}\n\nvoid main(){\n vec2 uv = vTexCoord;\n\n // A reasonable maximum number of samples\n const float maxSamples = 64.0;\n\n float numSamples = floor(7. * radius);\n if (fract(numSamples / 2.) == 0.) {\n numSamples++;\n }\n vec4 avg = vec4(0.0);\n float total = 0.0;\n\n // Calculate the spacing to avoid skewing if numSamples > maxSamples\n float spacing = 1.0;\n if (numSamples > maxSamples) {\n spacing = numSamples / maxSamples;\n numSamples = maxSamples;\n }\n\n float randomOffset = (spacing - 1.0) * mix(-0.5, 0.5, random(gl_FragCoord.xy));\n for (float i = 0.0; i < maxSamples; i++) {\n if (i >= numSamples) break;\n\n float sample = i * spacing - (numSamples - 1.0) * 0.5 * spacing + randomOffset;\n vec2 sampleCoord = uv + vec2(sample, sample) / canvasSize * direction;\n float weight = quadWeight(sample, (numSamples - 1.0) * 0.5 * spacing);\n\n avg += weight * texture2D(tex0, sampleCoord);\n total += weight;\n }\n\n avg /= total;\n gl_FragColor = avg;\n}\n"),j(e,l.POSTERIZE,"// Limit color space for a stylized cartoon / poster effect\n\nprecision highp float;\n\nvarying vec2 vTexCoord;\n\nuniform sampler2D tex0;\nuniform float filterParameter;\n\nvec3 quantize(vec3 color, float n) {\n // restrict values to N options/bins\n // and floor each channel to nearest value\n //\n // eg. when N = 5, values = 0.0, 0.25, 0.50, 0.75, 1.0\n // then quantize (0.1, 0.7, 0.9) -> (0.0, 0.5, 1.0)\n\n color = color * n;\n color = floor(color);\n color = color / (n - 1.0);\n return color;\n}\n\nvoid main() {\n vec4 color = texture2D(tex0, vTexCoord);\n\n vec3 restrictedColor = quantize(color.rgb / color.a, filterParameter);\n\n gl_FragColor = vec4(restrictedColor.rgb * color.a, color.a);\n}\n"),j(e,l.OPAQUE,"// Set alpha channel to entirely opaque\n\nprecision highp float;\n\nvarying vec2 vTexCoord;\n\nuniform sampler2D tex0;\n\nvoid main() {\n vec4 color = texture2D(tex0, vTexCoord);\n gl_FragColor = vec4(color.rgb / color.a, 1.0);\n}\n"),j(e,l.INVERT,"// Set each pixel to inverse value\n// Note that original INVERT does not change the opacity, so this follows suit\n\nprecision highp float;\n\nvarying vec2 vTexCoord;\n\nuniform sampler2D tex0;\n\nvoid main() {\nvec4 color = texture2D(tex0, vTexCoord);\nvec3 origColor = color.rgb / color.a;\nvec3 invertedColor = vec3(1.0) - origColor;\ngl_FragColor = vec4(invertedColor * color.a, color.a);\n}\n"),j(e,l.THRESHOLD,"// Convert pixels to either white or black, \n// depending on if their luma is above or below filterParameter\n\nprecision highp float;\n\nvarying vec2 vTexCoord;\n\nuniform sampler2D tex0;\nuniform float filterParameter;\n\nfloat luma(vec3 color) {\n // weighted grayscale with luminance values\n return dot(color, vec3(0.2126, 0.7152, 0.0722));\n}\n\nvoid main() {\n vec4 color = texture2D(tex0, vTexCoord);\n float gray = luma(color.rgb / color.a);\n // floor() used to match src/image/filters.js\n float threshold = floor(filterParameter * 255.0) / 255.0;\n float blackOrWhite = step(threshold, gray);\n gl_FragColor = vec4(vec3(blackOrWhite) * color.a, color.a);\n}\n");var E=e;function k(e,t,r,o,n,s,i,a,l,u){var c=t.getParameter(t.FRAMEBUFFER_BINDING),r=(t.bindFramebuffer(t.FRAMEBUFFER,r),a===t.RGBA?4:3),d=s*i*r,h=l===t.UNSIGNED_BYTE?Uint8Array:Float32Array;if(e instanceof h&&e.length===d||(e=new h(d)),t.readPixels(o,u?u-n-i:n,s,i,a,l,e),t.bindFramebuffer(t.FRAMEBUFFER,c),u)for(var f=Math.floor(i/2),p=new h(s*r),m=0;m>7,127&d,c>>7,127&c);for(var h=0;h>7,127&f,0,0)}}return{cellImageInfo:a,dimOffset:t,dimImageInfo:n}}}}]),t}();B.default.RendererGL.prototype._renderText=function(e,t,r,o,n){if(this._textFont&&"string"!=typeof this._textFont){if(!(n<=o)&&this._doFill){if(this._isOpenType()){e.push();var n=this._doStroke,s=this.drawMode,i=(this._doStroke=!1,this.drawMode=M.TEXTURE,this._textFont.font),a=(a=this._textFont._fontInfo)||(this._textFont._fontInfo=new E(i)),r=this._textFont._handleAlignment(this,t,r,o),o=this._textSize/i.unitsPerEm,l=(this.translate(r.x,r.y,0),this.scale(o,o,1),this.GL),r=!this._defaultFontShader,u=this._getFontShader(),c=(u.init(),u.bindShader(),r&&(u.setUniform("uGridImageSize",[64,64]),u.setUniform("uCellsImageSize",[64,64]),u.setUniform("uStrokeImageSize",[64,64]),u.setUniform("uGridSize",[9,9])),this._applyColorBlend(this.curFillColor),this.retainedMode.geometry.glyph),d=(c||((o=this._textGeom=new B.default.Geometry(1,1,function(){for(var e=0;e<=1;e++)for(var t=0;t<=1;t++)this.vertices.push(new B.default.Vector(t,e,0)),this.uvs.push(t,e)})).computeFaces().computeNormals(),c=this.createBuffers("glyph",o)),!0),r=!1,o=void 0;try{for(var h,f=this.retainedMode.buffers.text[Symbol.iterator]();!(d=(h=f.next()).done);d=!0)h.value._prepareBuffer(c,u)}catch(e){r=!0,o=e}finally{try{d||null==f.return||f.return()}finally{if(r)throw o}}this._bindBuffer(c.indexBuffer,l.ELEMENT_ARRAY_BUFFER),u.setUniform("uMaterialColor",this.curFillColor),l.pixelStorei(l.UNPACK_PREMULTIPLY_ALPHA_WEBGL,!1);try{var p=0,m=null,y=i.stringToGlyphs(t),g=!0,v=!1,b=void 0;try{for(var j,_=y[Symbol.iterator]();!(g=(j=_.next()).done);g=!0){var x,w,S=j.value,T=(m&&(p+=i.getKerningValue(m,S)),a.getGlyphInfo(S));T.uGlyphRect&&(x=T.rowInfo,w=T.colInfo,u.setUniform("uSamplerStrokes",T.strokeImageInfo.imageData),u.setUniform("uSamplerRowStrokes",x.cellImageInfo.imageData),u.setUniform("uSamplerRows",x.dimImageInfo.imageData),u.setUniform("uSamplerColStrokes",w.cellImageInfo.imageData),u.setUniform("uSamplerCols",w.dimImageInfo.imageData),u.setUniform("uGridOffset",T.uGridOffset),u.setUniform("uGlyphRect",T.uGlyphRect),u.setUniform("uGlyphOffset",p),u.bindTextures(),l.drawElements(l.TRIANGLES,6,this.GL.UNSIGNED_SHORT,0)),p+=S.advanceWidth,m=S}}catch(e){v=!0,b=e}finally{try{g||null==_.return||_.return()}finally{if(v)throw b}}}finally{u.unbindShader(),this._doStroke=n,this.drawMode=s,l.pixelStorei(l.UNPACK_PREMULTIPLY_ALPHA_WEBGL,!0),e.pop()}}else console.log("WEBGL: only Opentype (.otf) and Truetype (.ttf) fonts are supported");return e}}else console.log("WEBGL: you must load and set a font before drawing text. 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                          Grid Output

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e=this.canvas.id;JSON.stringify(this.ingredients.shapes)===this.ingredients.pShapes&&this.ingredients.colors.background===this.ingredients.pBackground||(this.ingredients.pShapes=JSON.stringify(this.ingredients.shapes),this._accessibleOutputs.text&&this._updateTextOutput(e+"textOutput"),this._accessibleOutputs.grid&&this._updateGridOutput(e+"gridOutput"),this._accessibleOutputs.textLabel&&this._updateTextOutput(e+"textOutputLabel"),this._accessibleOutputs.gridLabel&&this._updateGridOutput(e+"gridOutputLabel"))},o.default.prototype._accsBackground=function(e){this.ingredients.pShapes=JSON.stringify(this.ingredients.shapes),this.ingredients.pBackground=this.ingredients.colors.background,this.ingredients.shapes={},this.ingredients.colors.backgroundRGBA!==e&&(this.ingredients.colors.backgroundRGBA=e,this.ingredients.colors.background=this._rgbColorName(e))},o.default.prototype._accsCanvasColors=function(e,t){"fill"===e?this.ingredients.colors.fillRGBA!==t&&(this.ingredients.colors.fillRGBA=t,this.ingredients.colors.fill=this._rgbColorName(t)):"stroke"===e&&this.ingredients.colors.strokeRGBA!==t&&(this.ingredients.colors.strokeRGBA=t,this.ingredients.colors.stroke=this._rgbColorName(t))},o.default.prototype._accsOutput=function(e,t){"ellipse"===e&&t[2]===t[3]?e="circle":"rectangle"===e&&t[2]===t[3]&&(e="square");var r,o,n={},s=!0,i=function(e,t){var r;e="rectangle"===e||"ellipse"===e||"arc"===e||"circle"===e||"square"===e?(r=Math.round(t[0]+t[2]/2),Math.round(t[1]+t[3]/2)):"triangle"===e?(r=(t[0]+t[2]+t[4])/3,(t[1]+t[3]+t[5])/3):"quadrilateral"===e?(r=(t[0]+t[2]+t[4]+t[6])/4,(t[1]+t[3]+t[5]+t[7])/4):"line"===e?(r=(t[0]+t[2])/2,(t[1]+t[3])/2):(r=t[0],t[1]);return[r,e]}(e,t);if("line"===e?(n.color=this.ingredients.colors.stroke,n.length=Math.round(this.dist(t[0],t[1],t[2],t[3])),r=this._getPos(t[0],[1]),o=this._getPos(t[2],[3]),n.loc=u(i,this.width,this.height),n.pos=r===o?"at ".concat(r):"from ".concat(r," to ").concat(o)):("point"===e?n.color=this.ingredients.colors.stroke:(n.color=this.ingredients.colors.fill,n.area=this._getArea(e,t)),n.pos=this._getPos.apply(this,l(i)),n.loc=u(i,this.width,this.height)),this.ingredients.shapes[e]){if(this.ingredients.shapes[e]!==[n]){for(var a in this.ingredients.shapes[e])JSON.stringify(this.ingredients.shapes[e][a])===JSON.stringify(n)&&(s=!1);!0===s&&this.ingredients.shapes[e].push(n)}}else this.ingredients.shapes[e]=[n]},o.default.prototype._getPos=function(e,t){var e=new DOMPointReadOnly(e,t),t=this._renderer.isP3D?new DOMMatrix(this._renderer.uMVMatrix.mat4):this.drawingContext.getTransform(),e=e.matrixTransform(t),t=e.x,e=e.y,r=this.width*this._pixelDensity,o=this.height*this._pixelDensity;return t<.4*r?e<.4*o?"top left":.6*oMath.PI?n+=o:n-=o)):"ellipse"===e||"circle"===e?n=3.14*t[2]/2*t[3]/2:"line"===e||"point"===e?n=0:"quadrilateral"===e?n=Math.abs((t[6]+t[0])*(t[7]-t[1])+(t[0]+t[2])*(t[1]-t[3])+(t[2]+t[4])*(t[3]-t[5])+(t[4]+t[6])*(t[5]-t[7]))/2:"rectangle"===e||"square"===e?n=t[2]*t[3]:"triangle"===e&&(n=Math.abs(t[0]*(t[3]-t[5])+t[2]*(t[5]-t[1])+t[4]*(t[1]-t[3]))/2),this.width*this._pixelDensity),i=this.height*this._pixelDensity,a=[new DOMPoint(0,0),new DOMPoint(s,0),new DOMPoint(s,i),new 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strict";e("core-js/modules/es.array.concat"),e("core-js/modules/es.array.concat"),Object.defineProperty(r,"__esModule",{value:!0}),r.default=void 0;e=(e=e("../core/main"))&&e.__esModule?e:{default:e};e.default.prototype._updateTextOutput=function(e){var t,r,o,n;this.dummyDOM.querySelector("#".concat(e,"_summary"))&&(t=this._accessibleOutputs[e],o=function(e,t,r,o){r="Your output is a, ".concat(r," by ").concat(o," pixels, ").concat(t," canvas containing the following");r=1===e?"".concat(r," shape:"):"".concat(r," ").concat(e," shapes:");return r}((r=function(e,t){var r,o="",n=0;for(r in t)for(var s in t[r]){var i='
                          • ').concat(t[r][s].color," ").concat(r,"");"line"===r?i+=", ".concat(t[r][s].pos,", ").concat(t[r][s].length," pixels long.
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curve (after t1)?\n if (y1 ? !y2 : y0) {\n // add the coverage for t1\n coverage.x += saturate(C1.x + 0.5);\n // calculate the anti-aliasing for t1\n weight.x = min(weight.x, abs(C1.x));\n }\n\n // are we outside the curve (after t2)?\n if (y1 ? !y0 : y2) {\n // subtract the coverage for t2\n coverage.x -= saturate(C2.x + 0.5);\n // calculate the anti-aliasing for t2\n weight.x = min(weight.x, abs(C2.x));\n }\n}\n\n// this is essentially the same as coverageX, but with the axes swapped\nvoid coverageY(vec2 p0, vec2 p1, vec2 p2) {\n\n vec2 C1, C2;\n calulateCrossings(p0, p1, p2, C1, C2);\n\n bool x0 = p0.x > vTexCoord.x;\n bool x1 = p1.x > vTexCoord.x;\n bool x2 = p2.x > vTexCoord.x;\n\n if (x1 ? !x2 : x0) {\n coverage.y -= saturate(C1.y + 0.5);\n weight.y = min(weight.y, abs(C1.y));\n }\n\n if (x1 ? !x0 : x2) {\n coverage.y += saturate(C2.y + 0.5);\n weight.y = min(weight.y, abs(C2.y));\n }\n}\n\nvoid main() {\n\n // calculate the pixel scale based on screen-coordinates\n pixelScale = hardness / fwidth(vTexCoord);\n\n // which grid cell is this pixel in?\n ivec2 gridCoord = ifloor(vTexCoord * vec2(uGridSize));\n\n // intersect curves in this row\n {\n // the index into the row info bitmap\n int rowIndex = gridCoord.y + uGridOffset.y;\n // fetch the info texel\n vec4 rowInfo = getTexel(uSamplerRows, rowIndex, uGridImageSize);\n // unpack the rowInfo\n int rowStrokeIndex = getInt16(rowInfo.xy);\n int rowStrokeCount = getInt16(rowInfo.zw);\n\n for (int iRowStroke = INT(0); iRowStroke < N; iRowStroke++) {\n if (iRowStroke >= rowStrokeCount)\n break;\n\n // each stroke is made up of 3 points: the start and control point\n // and the start of the next curve.\n // fetch the indices of this pair of strokes:\n vec4 strokeIndices = getTexel(uSamplerRowStrokes, rowStrokeIndex++, uCellsImageSize);\n\n // unpack the stroke index\n int strokePos = getInt16(strokeIndices.xy);\n\n // fetch the two strokes\n vec4 stroke0 = getTexel(uSamplerStrokes, strokePos + INT(0), uStrokeImageSize);\n vec4 stroke1 = getTexel(uSamplerStrokes, strokePos + INT(1), uStrokeImageSize);\n\n // calculate the coverage\n coverageX(stroke0.xy, stroke0.zw, stroke1.xy);\n }\n }\n\n // intersect curves in this column\n {\n int colIndex = gridCoord.x + uGridOffset.x;\n vec4 colInfo = getTexel(uSamplerCols, colIndex, uGridImageSize);\n int colStrokeIndex = getInt16(colInfo.xy);\n int colStrokeCount = getInt16(colInfo.zw);\n \n for (int iColStroke = INT(0); iColStroke < N; iColStroke++) {\n if (iColStroke >= colStrokeCount)\n break;\n\n vec4 strokeIndices = getTexel(uSamplerColStrokes, colStrokeIndex++, uCellsImageSize);\n\n int strokePos = getInt16(strokeIndices.xy);\n vec4 stroke0 = getTexel(uSamplerStrokes, strokePos + INT(0), uStrokeImageSize);\n vec4 stroke1 = getTexel(uSamplerStrokes, strokePos + INT(1), uStrokeImageSize);\n coverageY(stroke0.xy, stroke0.zw, stroke1.xy);\n }\n }\n\n weight = saturate(1.0 - weight * 2.0);\n float distance = max(weight.x + weight.y, minDistance); // manhattan approx.\n float antialias = abs(dot(coverage, weight) / distance);\n float cover = min(abs(coverage.x), abs(coverage.y));\n OUT_COLOR = vec4(uMaterialColor.rgb, 1.) * uMaterialColor.a;\n OUT_COLOR *= saturate(max(antialias, cover));\n}\n",lineVert:T+"/*\n Part of the Processing project - http://processing.org\n Copyright (c) 2012-15 The Processing Foundation\n Copyright (c) 2004-12 Ben Fry and Casey Reas\n Copyright (c) 2001-04 Massachusetts Institute of Technology\n This library is free software; you can redistribute it and/or\n modify it under the terms of the GNU Lesser General Public\n License as published by the Free Software Foundation, version 2.1.\n This library is distributed in the hope that it will be useful,\n but WITHOUT ANY WARRANTY; without even the implied warranty of\n MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU\n Lesser General Public License for more details.\n You should have received a copy of the GNU Lesser General\n Public License along with this library; if not, write to the\n Free Software Foundation, Inc., 59 Temple Place, Suite 330,\n Boston, MA 02111-1307 USA\n*/\n\n#define PROCESSING_LINE_SHADER\n\nprecision mediump int;\n\nuniform mat4 uModelViewMatrix;\nuniform mat4 uProjectionMatrix;\nuniform float uStrokeWeight;\n\nuniform bool uUseLineColor;\nuniform vec4 uMaterialColor;\n\nuniform vec4 uViewport;\nuniform int uPerspective;\nuniform int uStrokeJoin;\n\nIN vec4 aPosition;\nIN vec3 aTangentIn;\nIN vec3 aTangentOut;\nIN float aSide;\nIN vec4 aVertexColor;\n\nOUT vec4 vColor;\nOUT vec2 vTangent;\nOUT vec2 vCenter;\nOUT vec2 vPosition;\nOUT float vMaxDist;\nOUT float vCap;\nOUT float vJoin;\n\nvec2 lineIntersection(vec2 aPoint, vec2 aDir, vec2 bPoint, vec2 bDir) {\n // Rotate and translate so a starts at the origin and goes out to the right\n bPoint -= aPoint;\n vec2 rotatedBFrom = vec2(\n bPoint.x*aDir.x + bPoint.y*aDir.y,\n bPoint.y*aDir.x - bPoint.x*aDir.y\n );\n vec2 bTo = bPoint + bDir;\n vec2 rotatedBTo = vec2(\n bTo.x*aDir.x + bTo.y*aDir.y,\n bTo.y*aDir.x - bTo.x*aDir.y\n );\n float intersectionDistance =\n rotatedBTo.x + (rotatedBFrom.x - rotatedBTo.x) * rotatedBTo.y /\n (rotatedBTo.y - rotatedBFrom.y);\n return aPoint + aDir * intersectionDistance;\n}\n\nvoid main() {\n // Caps have one of either the in or out tangent set to 0\n vCap = (aTangentIn == vec3(0.)) != (aTangentOut == (vec3(0.)))\n ? 1. : 0.;\n\n // Joins have two unique, defined tangents\n vJoin = (\n aTangentIn != vec3(0.) &&\n aTangentOut != vec3(0.) &&\n aTangentIn != aTangentOut\n ) ? 1. : 0.;\n\n vec4 posp = uModelViewMatrix * aPosition;\n vec4 posqIn = uModelViewMatrix * (aPosition + vec4(aTangentIn, 0));\n vec4 posqOut = uModelViewMatrix * (aPosition + vec4(aTangentOut, 0));\n\n float facingCamera = pow(\n // The word space tangent's z value is 0 if it's facing the camera\n abs(normalize(posqIn-posp).z),\n\n // Using pow() here to ramp `facingCamera` up from 0 to 1 really quickly\n // so most lines get scaled and don't get clipped\n 0.25\n );\n\n // Moving vertices slightly toward the camera\n // to avoid depth-fighting with the fill triangles.\n // This prevents popping effects due to half of\n // the line disappearing behind the geometry faces.\n \n float zOffset = mix(-0.00045, -1., facingCamera);\n posp.z -= zOffset;\n posqIn.z -= zOffset;\n posqOut.z -= zOffset;\n \n vec4 p = uProjectionMatrix * posp;\n vec4 qIn = uProjectionMatrix * posqIn;\n vec4 qOut = uProjectionMatrix * posqOut;\n vCenter = p.xy;\n\n // formula to convert from clip space (range -1..1) to screen space (range 0..[width or height])\n // screen_p = (p.xy/p.w + <1,1>) * 0.5 * uViewport.zw\n\n // prevent division by W by transforming the tangent formula (div by 0 causes\n // the line to disappear, see https://github.com/processing/processing/issues/5183)\n // t = screen_q - screen_p\n //\n // tangent is normalized and we don't care which aDirection it points to (+-)\n // t = +- normalize( screen_q - screen_p )\n // t = +- normalize( (q.xy/q.w+<1,1>)*0.5*uViewport.zw - (p.xy/p.w+<1,1>)*0.5*uViewport.zw )\n //\n // extract common factor, <1,1> - <1,1> cancels out\n // t = +- normalize( (q.xy/q.w - p.xy/p.w) * 0.5 * uViewport.zw )\n //\n // convert to common divisor\n // t = +- normalize( ((q.xy*p.w - p.xy*q.w) / (p.w*q.w)) * 0.5 * uViewport.zw )\n //\n // remove the common scalar divisor/factor, not needed due to normalize and +-\n // (keep uViewport - can't remove because it has different components for x and y\n // and corrects for aspect ratio, see https://github.com/processing/processing/issues/5181)\n // t = +- normalize( (q.xy*p.w - p.xy*q.w) * uViewport.zw )\n\n vec2 tangentIn = normalize((qIn.xy*p.w - p.xy*qIn.w) * uViewport.zw);\n vec2 tangentOut = normalize((qOut.xy*p.w - p.xy*qOut.w) * uViewport.zw);\n\n vec2 curPerspScale;\n if(uPerspective == 1) {\n // Perspective ---\n // convert from world to clip by multiplying with projection scaling factor\n // to get the right thickness (see https://github.com/processing/processing/issues/5182)\n\n // The y value of the projection matrix may be flipped if rendering to a Framebuffer.\n // Multiplying again by its sign here negates the flip to get just the scale.\n curPerspScale = (uProjectionMatrix * vec4(1, sign(uProjectionMatrix[1][1]), 0, 0)).xy;\n } else {\n // No Perspective ---\n // multiply by W (to cancel out division by W later in the pipeline) and\n // convert from screen to clip (derived from clip to screen above)\n curPerspScale = p.w / (0.5 * uViewport.zw);\n }\n\n vec2 offset;\n if (vJoin == 1.) {\n vTangent = normalize(tangentIn + tangentOut);\n vec2 normalIn = vec2(-tangentIn.y, tangentIn.x);\n vec2 normalOut = vec2(-tangentOut.y, tangentOut.x);\n float side = sign(aSide);\n float sideEnum = abs(aSide);\n\n // We generate vertices for joins on either side of the centerline, but\n // the \"elbow\" side is the only one needing a join. By not setting the\n // offset for the other side, all its vertices will end up in the same\n // spot and not render, effectively discarding it.\n if (sign(dot(tangentOut, vec2(-tangentIn.y, tangentIn.x))) != side) {\n // Side enums:\n // 1: the side going into the join\n // 2: the middle of the join\n // 3: the side going out of the join\n if (sideEnum == 2.) {\n // Calculate the position + tangent on either side of the join, and\n // find where the lines intersect to find the elbow of the join\n vec2 c = (posp.xy/posp.w + vec2(1.,1.)) * 0.5 * uViewport.zw;\n vec2 intersection = lineIntersection(\n c + (side * normalIn * uStrokeWeight / 2.),\n tangentIn,\n c + (side * normalOut * uStrokeWeight / 2.),\n tangentOut\n );\n offset = (intersection - c);\n\n // When lines are thick and the angle of the join approaches 180, the\n // elbow might be really far from the center. We'll apply a limit to\n // the magnitude to avoid lines going across the whole screen when this\n // happens.\n float mag = length(offset);\n float maxMag = 3. * uStrokeWeight;\n if (mag > maxMag) {\n offset *= maxMag / mag;\n }\n } else if (sideEnum == 1.) {\n offset = side * normalIn * uStrokeWeight / 2.;\n } else if (sideEnum == 3.) {\n offset = side * normalOut * uStrokeWeight / 2.;\n }\n }\n if (uStrokeJoin == STROKE_JOIN_BEVEL) {\n vec2 avgNormal = vec2(-vTangent.y, vTangent.x);\n vMaxDist = abs(dot(avgNormal, normalIn * uStrokeWeight / 2.));\n } else {\n vMaxDist = uStrokeWeight / 2.;\n }\n } else {\n vec2 tangent = aTangentIn == vec3(0.) ? tangentOut : tangentIn;\n vTangent = tangent;\n vec2 normal = vec2(-tangent.y, tangent.x);\n\n float normalOffset = sign(aSide);\n // Caps will have side values of -2 or 2 on the edge of the cap that\n // extends out from the line\n float tangentOffset = abs(aSide) - 1.;\n offset = (normal * normalOffset + tangent * tangentOffset) *\n uStrokeWeight * 0.5;\n vMaxDist = uStrokeWeight / 2.;\n }\n vPosition = vCenter + offset;\n\n gl_Position.xy = p.xy + offset.xy * curPerspScale;\n gl_Position.zw = p.zw;\n \n vColor = (uUseLineColor ? aVertexColor : uMaterialColor);\n}\n",lineFrag:T+"precision mediump int;\n\nuniform vec4 uMaterialColor;\nuniform int uStrokeCap;\nuniform int uStrokeJoin;\nuniform float uStrokeWeight;\n\nIN vec4 vColor;\nIN vec2 vTangent;\nIN vec2 vCenter;\nIN vec2 vPosition;\nIN float vMaxDist;\nIN float vCap;\nIN float vJoin;\n\nfloat distSquared(vec2 a, vec2 b) {\n vec2 aToB = b - a;\n return dot(aToB, aToB);\n}\n\nvoid main() {\n if (vCap > 0.) {\n if (\n uStrokeCap == STROKE_CAP_ROUND &&\n distSquared(vPosition, vCenter) > uStrokeWeight * uStrokeWeight * 0.25\n ) {\n discard;\n } else if (\n uStrokeCap == STROKE_CAP_SQUARE &&\n dot(vPosition - vCenter, vTangent) > 0.\n ) {\n discard;\n }\n // Use full area for PROJECT\n } else if (vJoin > 0.) {\n if (\n uStrokeJoin == STROKE_JOIN_ROUND &&\n distSquared(vPosition, vCenter) > uStrokeWeight * uStrokeWeight * 0.25\n ) {\n discard;\n } else if (uStrokeJoin == STROKE_JOIN_BEVEL) {\n vec2 normal = vec2(-vTangent.y, vTangent.x);\n if (abs(dot(vPosition - vCenter, normal)) > vMaxDist) {\n discard;\n }\n }\n // Use full area for MITER\n }\n OUT_COLOR = vec4(vColor.rgb, 1.) * vColor.a;\n}\n",pointVert:"IN vec3 aPosition;\nuniform float uPointSize;\nOUT float vStrokeWeight;\nuniform mat4 uModelViewMatrix;\nuniform mat4 uProjectionMatrix;\nvoid main() {\n\tvec4 positionVec4 = vec4(aPosition, 1.0);\n\tgl_Position = uProjectionMatrix * uModelViewMatrix * positionVec4;\n\tgl_PointSize = uPointSize;\n\tvStrokeWeight = uPointSize;\n}\n",pointFrag:"precision mediump int;\nuniform vec4 uMaterialColor;\nIN float vStrokeWeight;\n\nvoid main(){\n float mask = 0.0;\n\n // make a circular mask using the gl_PointCoord (goes from 0 - 1 on a point)\n // might be able to get a nicer edge on big strokeweights with smoothstep but slightly less performant\n\n mask = step(0.98, length(gl_PointCoord * 2.0 - 1.0));\n\n // if strokeWeight is 1 or less lets just draw a square\n // this prevents weird artifacting from carving circles when our points are really small\n // if strokeWeight is larger than 1, we just use it as is\n\n mask = mix(0.0, mask, clamp(floor(vStrokeWeight - 0.5),0.0,1.0));\n\n // throw away the borders of the mask\n // otherwise we get weird alpha blending issues\n\n if(mask > 0.98){\n discard;\n }\n\n OUT_COLOR = vec4(uMaterialColor.rgb, 1.) * uMaterialColor.a;\n}\n",imageLightVert:"precision highp float;\nattribute vec3 aPosition;\nattribute vec3 aNormal;\nattribute vec2 aTexCoord;\n\nvarying vec3 localPos;\nvarying vec3 vWorldNormal;\nvarying vec3 vWorldPosition;\nvarying vec2 vTexCoord;\n\nuniform mat4 uModelViewMatrix;\nuniform mat4 uProjectionMatrix;\nuniform mat3 uNormalMatrix;\n\nvoid main() {\n // Multiply the position by the matrix.\n vec4 viewModelPosition = uModelViewMatrix * vec4(aPosition, 1.0);\n gl_Position = uProjectionMatrix * viewModelPosition; \n \n // orient the normals and pass to the fragment shader\n vWorldNormal = uNormalMatrix * aNormal;\n \n // send the view position to the fragment shader\n vWorldPosition = (uModelViewMatrix * vec4(aPosition, 1.0)).xyz;\n \n localPos = vWorldPosition;\n vTexCoord = aTexCoord;\n}\n\n\n/*\nin the vertex shader we'll compute the world position and world oriented normal of the vertices and pass those to the fragment shader as varyings.\n*/\n",imageLightDiffusedFrag:"precision highp float;\nvarying vec3 localPos;\n\n// the HDR cubemap converted (can be from an equirectangular environment map.)\nuniform sampler2D environmentMap;\nvarying vec2 vTexCoord;\n\nconst float PI = 3.14159265359;\n\nvec2 nTOE( vec3 v ){\n // x = r sin(phi) cos(theta) \n // y = r cos(phi) \n // z = r sin(phi) sin(theta)\n float phi = acos( v.y );\n // if phi is 0, then there are no x, z components\n float theta = 0.0;\n // else \n theta = acos(v.x / sin(phi));\n float sinTheta = v.z / sin(phi);\n if (sinTheta < 0.0) {\n // Turn it into -theta, but in the 0-2PI range\n theta = 2.0 * PI - theta;\n }\n theta = theta / (2.0 * 3.14159);\n phi = phi / 3.14159 ;\n \n vec2 angles = vec2( phi, theta );\n return angles;\n}\n\nfloat random(vec2 p) {\n vec3 p3 = fract(vec3(p.xyx) * .1031);\n p3 += dot(p3, p3.yzx + 33.33);\n return fract((p3.x + p3.y) * p3.z);\n}\n\nvoid main()\n{ \t \n\t// the sample direction equals the hemisphere's orientation\n float phi = vTexCoord.x * 2.0 * PI;\n float theta = vTexCoord.y * PI;\n float x = sin(theta) * cos(phi);\n float y = sin(theta) * sin(phi);\n float z = cos(theta);\n vec3 normal = vec3( x, y, z);\n\n\t// Discretely sampling the hemisphere given the integral's\n // spherical coordinates translates to the following fragment code:\n\tvec3 irradiance = vec3(0.0); \n\tvec3 up\t= vec3(0.0, 1.0, 0.0);\n\tvec3 right = normalize(cross(up, normal));\n\tup = normalize(cross(normal, right));\n\n\t// We specify a fixed sampleDelta delta value to traverse\n // the hemisphere; decreasing or increasing the sample delta\n // will increase or decrease the accuracy respectively.\n\tconst float sampleDelta = 0.100;\n\tfloat nrSamples = 0.0;\n float randomOffset = random(gl_FragCoord.xy) * sampleDelta;\n\tfor(float rawPhi = 0.0; rawPhi < 2.0 * PI; rawPhi += sampleDelta)\n\t{\n float phi = rawPhi + randomOffset;\n for(float rawTheta = 0.0; rawTheta < ( 0.5 ) * PI; rawTheta += sampleDelta)\n {\n float theta = rawTheta + randomOffset;\n // spherical to cartesian (in tangent space) // tangent space to world // add each sample result to irradiance\n float x = sin(theta) * cos(phi);\n float y = sin(theta) * sin(phi);\n float z = cos(theta);\n vec3 tangentSample = vec3( x, y, z);\n \n vec3 sampleVec = tangentSample.x * right + tangentSample.y * up + tangentSample.z * normal;\n irradiance += (texture2D(environmentMap, nTOE(sampleVec)).xyz) * cos(theta) * sin(theta);\n nrSamples++;\n }\n\t}\n\t// divide by the total number of samples taken, giving us the average sampled irradiance.\n\tirradiance = PI * irradiance * (1.0 / float(nrSamples )) ;\n \n \n\tgl_FragColor = vec4(irradiance, 1.0);\n}",imageLightSpecularFrag:"precision highp float;\r\nvarying vec3 localPos;\r\nvarying vec2 vTexCoord;\r\n\r\n// our texture\r\nuniform sampler2D environmentMap;\r\nuniform float roughness;\r\n\r\nconst float PI = 3.14159265359;\r\n\r\nfloat VanDerCorput(int bits);\r\nvec2 HammersleyNoBitOps(int i, int N);\r\nvec3 ImportanceSampleGGX(vec2 Xi, vec3 N, float roughness);\r\n\r\n\r\nvec2 nTOE( vec3 v ){\r\n // x = r sin(phi) cos(theta) \r\n // y = r cos(phi) \r\n // z = r sin(phi) sin(theta)\r\n float phi = acos( v.y );\r\n // if phi is 0, then there are no x, z components\r\n float theta = 0.0;\r\n // else \r\n theta = acos(v.x / sin(phi));\r\n float sinTheta = v.z / sin(phi);\r\n if (sinTheta < 0.0) {\r\n // Turn it into -theta, but in the 0-2PI range\r\n theta = 2.0 * PI - theta;\r\n }\r\n theta = theta / (2.0 * 3.14159);\r\n phi = phi / 3.14159 ;\r\n \r\n vec2 angles = vec2( phi, theta );\r\n return angles;\r\n}\r\n\r\n\r\nvoid main(){\r\n const int SAMPLE_COUNT = 400; // 4096\r\n int lowRoughnessLimit = int(pow(2.0,(roughness+0.1)*20.0));\r\n float totalWeight = 0.0;\r\n vec3 prefilteredColor = vec3(0.0);\r\n float phi = vTexCoord.x * 2.0 * PI;\r\n float theta = vTexCoord.y * PI;\r\n float x = sin(theta) * cos(phi);\r\n float y = sin(theta) * sin(phi);\r\n float z = cos(theta);\r\n vec3 N = vec3(x,y,z);\r\n vec3 V = N;\r\n for (int i = 0; i < SAMPLE_COUNT; ++i)\r\n {\r\n // break at smaller sample numbers for low roughness levels\r\n if(i == lowRoughnessLimit)\r\n {\r\n break;\r\n }\r\n vec2 Xi = HammersleyNoBitOps(i, SAMPLE_COUNT);\r\n vec3 H = ImportanceSampleGGX(Xi, N, roughness);\r\n vec3 L = normalize(2.0 * dot(V, H) * H - V);\r\n\r\n float NdotL = max(dot(N, L), 0.0);\r\n if (NdotL > 0.0)\r\n {\r\n prefilteredColor += texture2D(environmentMap, nTOE(L)).xyz * NdotL;\r\n totalWeight += NdotL;\r\n }\r\n }\r\n prefilteredColor = prefilteredColor / totalWeight;\r\n\r\n gl_FragColor = vec4(prefilteredColor, 1.0);\r\n}\r\n\r\nvec3 ImportanceSampleGGX(vec2 Xi, vec3 N, float roughness){\r\n float a = roughness * roughness;\r\n\r\n float phi = 2.0 * PI * Xi.x;\r\n float cosTheta = sqrt((1.0 - Xi.y) / (1.0 + (a * a - 1.0) * Xi.y));\r\n float sinTheta = sqrt(1.0 - cosTheta * cosTheta);\r\n // from spherical coordinates to cartesian coordinates\r\n vec3 H;\r\n H.x = cos(phi) * sinTheta;\r\n H.y = sin(phi) * sinTheta;\r\n H.z = cosTheta;\r\n\r\n // from tangent-space vector to world-space sample vector\r\n vec3 up = abs(N.z) < 0.999 ? vec3(0.0, 0.0, 1.0) : vec3(1.0, 0.0, 0.0);\r\n vec3 tangent = normalize(cross(up, N));\r\n vec3 bitangent = cross(N, tangent);\r\n\r\n vec3 sampleVec = tangent * H.x + bitangent * H.y + N * H.z;\r\n return normalize(sampleVec);\r\n}\r\n\r\n\r\nfloat VanDerCorput(int n, int base)\r\n{\r\n#ifdef WEBGL2\r\n\r\n uint bits = uint(n);\r\n bits = (bits << 16u) | (bits >> 16u);\r\n bits = ((bits & 0x55555555u) << 1u) | ((bits & 0xAAAAAAAAu) >> 1u);\r\n bits = ((bits & 0x33333333u) << 2u) | ((bits & 0xCCCCCCCCu) >> 2u);\r\n bits = ((bits & 0x0F0F0F0Fu) << 4u) | ((bits & 0xF0F0F0F0u) >> 4u);\r\n bits = ((bits & 0x00FF00FFu) << 8u) | ((bits & 0xFF00FF00u) >> 8u);\r\n return float(bits) * 2.3283064365386963e-10; // / 0x100000000\r\n\r\n#else\r\n\r\n float invBase = 1.0 / float(base);\r\n float denom = 1.0;\r\n float result = 0.0;\r\n\r\n\r\n for (int i = 0; i < 32; ++i)\r\n {\r\n if (n > 0)\r\n {\r\n denom = mod(float(n), 2.0);\r\n result += denom * invBase;\r\n invBase = invBase / 2.0;\r\n n = int(float(n) / 2.0);\r\n }\r\n }\r\n\r\n\r\n return result;\r\n\r\n#endif\r\n}\r\n\r\nvec2 HammersleyNoBitOps(int i, int N)\r\n{\r\n return vec2(float(i) / float(N), VanDerCorput(i, 2));\r\n}\r\n"},M=E.sphereMappingFrag;for(x in E)E[x]="#ifdef WEBGL2\n\n#define IN in\n#define OUT out\n\n#ifdef FRAGMENT_SHADER\nout vec4 outColor;\n#define OUT_COLOR outColor\n#endif\n#define TEXTURE texture\n\n#else\n\n#ifdef FRAGMENT_SHADER\n#define IN varying\n#else\n#define IN attribute\n#endif\n#define OUT varying\n#define TEXTURE texture2D\n\n#ifdef FRAGMENT_SHADER\n#define OUT_COLOR gl_FragColor\n#endif\n\n#endif\n"+E[x];j(e={},l.GRAY,"precision highp float;\n\nvarying vec2 vTexCoord;\n\nuniform sampler2D tex0;\n\nfloat luma(vec3 color) {\n // weighted grayscale with luminance values\n return dot(color, vec3(0.2126, 0.7152, 0.0722));\n}\n\nvoid main() {\n vec4 tex = texture2D(tex0, vTexCoord);\n float gray = luma(tex.rgb);\n gl_FragColor = vec4(gray, gray, gray, tex.a);\n}\n"),j(e,l.ERODE,"// Reduces the bright areas in an image\n\nprecision highp float;\n\nvarying vec2 vTexCoord;\n\nuniform sampler2D tex0;\nuniform vec2 texelSize;\n\nfloat luma(vec3 color) {\n // weighted grayscale with luminance values\n // weights 77, 151, 28 taken from src/image/filters.js\n return dot(color, vec3(0.300781, 0.589844, 0.109375));\n}\n\nvoid main() {\n vec4 color = texture2D(tex0, vTexCoord);\n float lum = luma(color.rgb);\n\n // set current color as the darkest neighbor color\n\n vec4 neighbors[4];\n neighbors[0] = texture2D(tex0, vTexCoord + vec2( texelSize.x, 0.0));\n neighbors[1] = texture2D(tex0, vTexCoord + vec2(-texelSize.x, 0.0));\n neighbors[2] = texture2D(tex0, vTexCoord + vec2(0.0, texelSize.y));\n neighbors[3] = texture2D(tex0, vTexCoord + vec2(0.0, -texelSize.y));\n\n for (int i = 0; i < 4; i++) {\n vec4 neighborColor = neighbors[i];\n float neighborLum = luma(neighborColor.rgb);\n\n if (neighborLum < lum) {\n color = neighborColor;\n lum = neighborLum;\n }\n }\n\n gl_FragColor = color;\n}\n"),j(e,l.DILATE,"// Increase the bright areas in an image\n\nprecision highp float;\n\nvarying vec2 vTexCoord;\n\nuniform sampler2D tex0;\nuniform vec2 texelSize;\n\nfloat luma(vec3 color) {\n // weighted grayscale with luminance values\n // weights 77, 151, 28 taken from src/image/filters.js\n return dot(color, vec3(0.300781, 0.589844, 0.109375));\n}\n\nvoid main() {\n vec4 color = texture2D(tex0, vTexCoord);\n float lum = luma(color.rgb);\n\n // set current color as the brightest neighbor color\n\n vec4 neighbors[4];\n neighbors[0] = texture2D(tex0, vTexCoord + vec2( texelSize.x, 0.0));\n neighbors[1] = texture2D(tex0, vTexCoord + vec2(-texelSize.x, 0.0));\n neighbors[2] = texture2D(tex0, vTexCoord + vec2(0.0, texelSize.y));\n neighbors[3] = texture2D(tex0, vTexCoord + vec2(0.0, -texelSize.y));\n\n for (int i = 0; i < 4; i++) {\n vec4 neighborColor = neighbors[i];\n float neighborLum = luma(neighborColor.rgb);\n\n if (neighborLum > lum) {\n color = neighborColor;\n lum = neighborLum;\n }\n }\n\n gl_FragColor = color;\n}\n"),j(e,l.BLUR,"precision highp float;\n\n// Two-pass blur filter, unweighted kernel.\n// See also a similar blur at Adam Ferriss' repo of shader examples:\n// https://github.com/aferriss/p5jsShaderExamples/blob/gh-pages/4_image-effects/4-9_single-pass-blur/effect.frag\n\n\nuniform sampler2D tex0;\nvarying vec2 vTexCoord;\nuniform vec2 direction;\nuniform vec2 canvasSize;\nuniform float radius;\n\nfloat random(vec2 p) {\n vec3 p3 = fract(vec3(p.xyx) * .1031);\n p3 += dot(p3, p3.yzx + 33.33);\n return fract((p3.x + p3.y) * p3.z);\n}\n\n// This isn't a real Gaussian weight, it's a quadratic weight. It's what the\n// CPU mode's blur uses though, so we also use it here to match.\nfloat quadWeight(float x, float e) {\n return pow(e-abs(x), 2.);\n}\n\nvoid main(){\n vec2 uv = vTexCoord;\n\n // A reasonable maximum number of samples\n const float maxSamples = 64.0;\n\n float numSamples = floor(7. * radius);\n if (fract(numSamples / 2.) == 0.) {\n numSamples++;\n }\n vec4 avg = vec4(0.0);\n float total = 0.0;\n\n // Calculate the spacing to avoid skewing if numSamples > maxSamples\n float spacing = 1.0;\n if (numSamples > maxSamples) {\n spacing = numSamples / maxSamples;\n numSamples = maxSamples;\n }\n\n float randomOffset = (spacing - 1.0) * mix(-0.5, 0.5, random(gl_FragCoord.xy));\n for (float i = 0.0; i < maxSamples; i++) {\n if (i >= numSamples) break;\n\n float sample = i * spacing - (numSamples - 1.0) * 0.5 * spacing + randomOffset;\n vec2 sampleCoord = uv + vec2(sample, sample) / canvasSize * direction;\n float weight = quadWeight(sample, (numSamples - 1.0) * 0.5 * spacing);\n\n avg += weight * texture2D(tex0, sampleCoord);\n total += weight;\n }\n\n avg /= total;\n gl_FragColor = avg;\n}\n"),j(e,l.POSTERIZE,"// Limit color space for a stylized cartoon / poster effect\n\nprecision highp float;\n\nvarying vec2 vTexCoord;\n\nuniform sampler2D tex0;\nuniform float filterParameter;\n\nvec3 quantize(vec3 color, float n) {\n // restrict values to N options/bins\n // and floor each channel to nearest value\n //\n // eg. when N = 5, values = 0.0, 0.25, 0.50, 0.75, 1.0\n // then quantize (0.1, 0.7, 0.9) -> (0.0, 0.5, 1.0)\n\n color = color * n;\n color = floor(color);\n color = color / (n - 1.0);\n return color;\n}\n\nvoid main() {\n vec4 color = texture2D(tex0, vTexCoord);\n\n vec3 restrictedColor = quantize(color.rgb / color.a, filterParameter);\n\n gl_FragColor = vec4(restrictedColor.rgb * color.a, color.a);\n}\n"),j(e,l.OPAQUE,"// Set alpha channel to entirely opaque\n\nprecision highp float;\n\nvarying vec2 vTexCoord;\n\nuniform sampler2D tex0;\n\nvoid main() {\n vec4 color = texture2D(tex0, vTexCoord);\n gl_FragColor = vec4(color.rgb / color.a, 1.0);\n}\n"),j(e,l.INVERT,"// Set each pixel to inverse value\n// Note that original INVERT does not change the opacity, so this follows suit\n\nprecision highp float;\n\nvarying vec2 vTexCoord;\n\nuniform sampler2D tex0;\n\nvoid main() {\nvec4 color = texture2D(tex0, vTexCoord);\nvec3 origColor = color.rgb / color.a;\nvec3 invertedColor = vec3(1.0) - origColor;\ngl_FragColor = vec4(invertedColor * color.a, color.a);\n}\n"),j(e,l.THRESHOLD,"// Convert pixels to either white or black, \n// depending on if their luma is above or below filterParameter\n\nprecision highp float;\n\nvarying vec2 vTexCoord;\n\nuniform sampler2D tex0;\nuniform float filterParameter;\n\nfloat luma(vec3 color) {\n // weighted grayscale with luminance values\n return dot(color, vec3(0.2126, 0.7152, 0.0722));\n}\n\nvoid main() {\n vec4 color = texture2D(tex0, vTexCoord);\n float gray = luma(color.rgb / color.a);\n // floor() used to match src/image/filters.js\n float threshold = floor(filterParameter * 255.0) / 255.0;\n float blackOrWhite = step(threshold, gray);\n gl_FragColor = vec4(vec3(blackOrWhite) * color.a, color.a);\n}\n");var k=e;function O(e,t,r,o,n,s,i,a,l,u){var c=t.getParameter(t.FRAMEBUFFER_BINDING),r=(t.bindFramebuffer(t.FRAMEBUFFER,r),a===t.RGBA?4:3),d=s*i*r,h=l===t.UNSIGNED_BYTE?Uint8Array:Float32Array;if(e instanceof h&&e.length===d||(e=new h(d)),t.readPixels(o,u?u-n-i:n,s,i,a,l,e),t.bindFramebuffer(t.FRAMEBUFFER,c),u)for(var f=Math.floor(i/2),p=new h(s*r),m=0;m>7,127&d,c>>7,127&c);for(var h=0;h>7,127&f,0,0)}}return{cellImageInfo:a,dimOffset:t,dimImageInfo:n}}}}]),t}();B.default.RendererGL.prototype._renderText=function(e,t,r,o,n){if(this._textFont&&"string"!=typeof this._textFont){if(!(n<=o)&&this._doFill){if(this._isOpenType()){e.push();var n=this._doStroke,s=this.drawMode,i=(this._doStroke=!1,this.drawMode=E.TEXTURE,this._textFont.font),a=(a=this._textFont._fontInfo)||(this._textFont._fontInfo=new M(i)),r=this._textFont._handleAlignment(this,t,r,o),o=this._textSize/i.unitsPerEm,l=(this.translate(r.x,r.y,0),this.scale(o,o,1),this.GL),r=!this._defaultFontShader,u=this._getFontShader(),c=(u.init(),u.bindShader(),r&&(u.setUniform("uGridImageSize",[64,64]),u.setUniform("uCellsImageSize",[64,64]),u.setUniform("uStrokeImageSize",[64,64]),u.setUniform("uGridSize",[9,9])),this._applyColorBlend(this.curFillColor),this.retainedMode.geometry.glyph),d=(c||((o=this._textGeom=new B.default.Geometry(1,1,function(){for(var e=0;e<=1;e++)for(var t=0;t<=1;t++)this.vertices.push(new B.default.Vector(t,e,0)),this.uvs.push(t,e)})).computeFaces().computeNormals(),c=this.createBuffers("glyph",o)),!0),r=!1,o=void 0;try{for(var h,f=this.retainedMode.buffers.text[Symbol.iterator]();!(d=(h=f.next()).done);d=!0)h.value._prepareBuffer(c,u)}catch(e){r=!0,o=e}finally{try{d||null==f.return||f.return()}finally{if(r)throw o}}this._bindBuffer(c.indexBuffer,l.ELEMENT_ARRAY_BUFFER),u.setUniform("uMaterialColor",this.curFillColor),l.pixelStorei(l.UNPACK_PREMULTIPLY_ALPHA_WEBGL,!1);try{var p=0,m=null,y=i.stringToGlyphs(t),g=!0,v=!1,b=void 0;try{for(var j,_=y[Symbol.iterator]();!(g=(j=_.next()).done);g=!0){var x,w,S=j.value,T=(m&&(p+=i.getKerningValue(m,S)),a.getGlyphInfo(S));T.uGlyphRect&&(x=T.rowInfo,w=T.colInfo,u.setUniform("uSamplerStrokes",T.strokeImageInfo.imageData),u.setUniform("uSamplerRowStrokes",x.cellImageInfo.imageData),u.setUniform("uSamplerRows",x.dimImageInfo.imageData),u.setUniform("uSamplerColStrokes",w.cellImageInfo.imageData),u.setUniform("uSamplerCols",w.dimImageInfo.imageData),u.setUniform("uGridOffset",T.uGridOffset),u.setUniform("uGlyphRect",T.uGlyphRect),u.setUniform("uGlyphOffset",p),u.bindTextures(),l.drawElements(l.TRIANGLES,6,this.GL.UNSIGNED_SHORT,0)),p+=S.advanceWidth,m=S}}catch(e){v=!0,b=e}finally{try{g||null==_.return||_.return()}finally{if(v)throw b}}}finally{u.unbindShader(),this._doStroke=n,this.drawMode=s,l.pixelStorei(l.UNPACK_PREMULTIPLY_ALPHA_WEBGL,!0),e.pop()}}else console.log("WEBGL: only Opentype (.otf) and Truetype (.ttf) fonts are supported");return e}}else console.log("WEBGL: you must load and set a font before drawing text. See `loadFont` and `textFont` for more details.")}},{"../core/constants":272,"../core/main":283,"./p5.RendererGL.Retained":340,"./p5.Shader":342,"core-js/modules/es.array.iterator":165,"core-js/modules/es.object.get-own-property-descriptor":186,"core-js/modules/es.object.to-string":190,"core-js/modules/es.regexp.exec":195,"core-js/modules/es.string.iterator":200,"core-js/modules/es.string.split":206,"core-js/modules/es.string.sub":208,"core-js/modules/es.symbol":212,"core-js/modules/es.symbol.description":210,"core-js/modules/es.symbol.iterator":211,"core-js/modules/es.weak-map":244,"core-js/modules/web.dom-collections.iterator":246}]},{},[267])(267)}); \ No newline at end of file diff --git a/examples/instance-mode/03-tinker-pixels/sketch.js b/examples/instance-mode/03-tinker-pixels/sketch.js index fe605df..74dedcd 100644 --- a/examples/instance-mode/03-tinker-pixels/sketch.js +++ b/examples/instance-mode/03-tinker-pixels/sketch.js @@ -7,18 +7,15 @@ const reusableSketch = (sketch) => { // Simulate drawing artwork sketch.drawArtwork(); - // Custom applyMonochromaticGrain implementation - const amount = 42; - const alpha = false; + // Loop over all pixels and set the red channel of each one to a random value (0-255). sketch.tinkerPixels((index, total) => { - const grainAmount = sketch.floor(sketch.random() * (amount * 2 + 1)) - amount; - sketch.pixels[index] = sketch.pixels[index] + grainAmount; - sketch.pixels[index+1] = sketch.pixels[index+1] + grainAmount; - sketch.pixels[index+2] = sketch.pixels[index+2] + grainAmount; - if (alpha) { - sketch.pixels[index+3] = sketch.pixels[index+3] + grainAmount; - } + sketch.pixels[index] = sketch.random(0, 255); // red channel + // sketch.pixels[index+1] = sketch.random(0, 255); // green channel + // sketch.pixels[index+2] = sketch.random(0, 255); // blue channel }); + + sketch.textSize(28); + sketch.text('instance 1:', 14, 36); } sketch.drawArtwork = () => { @@ -61,6 +58,9 @@ let myp5_2 = new p5((sketch) => { // draw the graphics buffer to the sketch's canvas sketch.image(pg, sketch.width/2-70, sketch.height/2-70); + + sketch.textSize(28); + sketch.text('instance 2:', 14, 36); } sketch.windowResized = () => { diff --git a/examples/instance-mode/04-loop-pixels-read-only/lib/p5.grain.min.js b/examples/instance-mode/04-loop-pixels-read-only/lib/p5.grain.min.js index 5f132fa..bdb8a1b 100644 --- a/examples/instance-mode/04-loop-pixels-read-only/lib/p5.grain.min.js +++ b/examples/instance-mode/04-loop-pixels-read-only/lib/p5.grain.min.js @@ -1,8 +1,8 @@ /**! * p5.grain * - * @version 0.7.0 + * @version 0.8.0 * @license MIT * @copyright meezwhite, Gorilla Sun */ -class P5Grain{version="0.7.0";instance;#t;#i;#n;constructor(){this.#t=Math.random,this.#i={frameCount:0},this.#n={frameCount:0,tX_anchor:0,tX:0,tY:0}}setup(t){void 0===t?this.#t=random:"object"==typeof t&&("function"==typeof t.random&&(this.#t=t.random),"object"==typeof t.instance&&(this.instance=t.instance))}granulateSimple(t,i,n){this.applyMonochromaticGrain(t,i,n)}applyMonochromaticGrain(t,i,n){const e=this.instance?this.instance.round(t):round(t),a=i||!1;n?n.loadPixels():this.instance?this.instance.loadPixels():loadPixels();const s=n?n.pixelDensity():this.instance?this.instance.pixelDensity():pixelDensity(),r=(n?n.width:this.instance?this.instance.width:width)*s*4*((n?n.height:this.instance?this.instance.height:height)*s),h=n?n.pixels:this.instance?this.instance.pixels:pixels;for(let t=0;t=n){const n=i&&i.amount?this.instance?this.instance.round(i.amount):round(i.amount):this.instance?this.instance.min(this.instance.width,this.instance.height):min(width,height),e=this.#t()*n,a=this.#t()*n,s=this.instance?this.instance.floor(e):floor(e),r=this.instance?this.instance.floor(a):floor(a),h=`${s}px ${r}px`;t instanceof HTMLElement?t.style.backgroundPosition=h:t instanceof SVGElement?(t.style.top=-r+"px",t.style.left=-s+"px"):t instanceof p5.Element&&t.style("background-position",h),this.#i.frameCount=0}}textureOverlay(t,i,n){const e=n instanceof p5.Graphics,a=e?n.width:this.instance?this.instance.width:width,s=e?n.height:this.instance?this.instance.height:height,r=i&&i.mode?i.mode:this.instance?this.instance.MULTIPLY:MULTIPLY,h=!(!i||!i.reflect)&&i.reflect,o=!(!i||!i.animate)&&i.animate,c=i&&i.animate&&i.animate.atFrame?this.instance?this.instance.round(i.animate.atFrame):round(i.animate.atFrame):2,l=i&&i.animate&&i.animate.amount?this.instance?this.instance.round(i.animate.amount):round(i.animate.amount):this.instance?this.instance.min(a,s):min(a,s),p=i&&"number"==typeof i.width?i.width:t.width,u=i&&"number"==typeof i.height?i.height:t.height;if(o&&(this.#n.frameCount+=1,this.#n.frameCount>=c)){const t=this.#t()*l,i=this.#t()*l;this.#n.tX_anchor=this.instance?-this.instance.floor(t):-floor(t),this.#n.tY=this.instance?-this.instance.floor(i):-floor(i),this.#n.frameCount=0}let m=this.#n.tX_anchor,d=this.#n.tY,x=!0,g=!0;for(n?n.blendMode(r):this.instance?this.instance.blendMode(r):blendMode(r);d=a){g=!0,m=this.#n.tX_anchor,d+=u;break}g=!g}x=!x}n?n.blendMode(this.instance?this.instance.BLEND:BLEND):this.instance?this.instance.blendMode(this.instance.BLEND):blendMode(BLEND),e&&n.reset()}#e(t,i){return t=Math.ceil(t),i=Math.floor(i),Math.floor(this.#t()*(i-t+1)+t)}}const p5grain=new P5Grain;p5.prototype.granulateSimple=function(t,i){return p5grain.granulateSimple(t,i)},p5.Graphics.prototype.granulateSimple=function(t,i){return p5grain.granulateSimple(t,i,this)},p5.prototype.granulateChannels=function(t,i){return p5grain.granulateChannels(t,i)},p5.Graphics.prototype.granulateChannels=function(t,i){return p5grain.granulateChannels(t,i,this)},p5.prototype.applyMonochromaticGrain=function(t,i){return p5grain.applyMonochromaticGrain(t,i)},p5.Graphics.prototype.applyMonochromaticGrain=function(t,i){return p5grain.applyMonochromaticGrain(t,i,this)},p5.prototype.applyChromaticGrain=function(t,i){return p5grain.applyChromaticGrain(t,i)},p5.Graphics.prototype.applyChromaticGrain=function(t,i){return p5grain.applyChromaticGrain(t,i,this)},p5.prototype.tinkerPixels=function(t,i){return p5grain.tinkerPixels(t,i)},p5.Graphics.prototype.tinkerPixels=function(t,i){return p5grain.tinkerPixels(t,i,this)},p5.prototype.loopPixels=function(t,i){return p5grain.loopPixels(t,i)},p5.Graphics.prototype.loopPixels=function(t,i){return p5grain.loopPixels(t,i,this)},p5.prototype.textureAnimate=function(t,i){return p5grain.textureAnimate(t,i)},p5.prototype.textureOverlay=function(t,i){return p5grain.textureOverlay(t,i)},p5.Graphics.prototype.textureOverlay=function(t,i){return p5grain.textureOverlay(t,i,this)}; +class P5Grain{version="0.8.0";instance;#t;#i;#e;#n;#a;constructor(){this.#s("float"),this.#n={frameCount:0},this.#a={frameCount:0,tX_anchor:0,tX:0,tY:0}}setup(t){"object"==typeof t&&("function"==typeof t.random&&(this.#t=t.random),"string"==typeof t.randomMode&&this.#s(t.randomMode),"object"==typeof t.instance&&(this.instance=t.instance)),void 0===this.#t&&(this.#t=p5.prototype.random)}applyMonochromaticGrain(t,i,e){const n=i||!1;let a,s,r,o;e?(e.loadPixels(),a=e.pixelDensity(),s=e.width,r=e.height,o=e.pixels):this.instance?(this.instance.loadPixels(),a=this.instance.pixelDensity(),s=this.instance.width,r=this.instance.height,o=this.instance.pixels):(loadPixels(),a=pixelDensity(),s=width,r=height,o=pixels);const h=s*a*4*(r*a),{min:p,max:c}=this.#r(-t,t);for(let t=0;t=e){const e=i&&i.amount?Math.round(i.amount):this.instance?Math.min(this.instance.width,this.instance.height):Math.min(width,height),n=this.#t()*e,a=this.#t()*e,s=Math.floor(n),r=Math.floor(a),o=`${s}px ${r}px`;t instanceof HTMLElement?t.style.backgroundPosition=o:t instanceof SVGElement?(t.style.top=-r+"px",t.style.left=-s+"px"):t instanceof p5.Element&&t.style("background-position",o),this.#n.frameCount=0}}textureOverlay(t,i,e){const n=e instanceof p5.Graphics;let a,s;n?(a=e.width,s=e.height):this.instance?(a=this.instance.width,s=this.instance.height):(a=width,s=height);const r=i&&i.mode?i.mode:this.instance?this.instance.MULTIPLY:MULTIPLY,o=!(!i||!i.reflect)&&i.reflect,h=!(!i||!i.animate)&&i.animate,p=i&&i.animate&&i.animate.atFrame?Math.round(i.animate.atFrame):2,c=i&&i.animate&&i.animate.amount?Math.round(i.animate.amount):Math.min(a,s),l=i&&"number"==typeof i.width?i.width:t.width,m=i&&"number"==typeof i.height?i.height:t.height;if(h&&(this.#a.frameCount+=1,this.#a.frameCount>=p)){const t=this.#t()*c,i=this.#t()*c;this.#a.tX_anchor=-Math.floor(t),this.#a.tY=-Math.floor(i),this.#a.frameCount=0}let d=this.#a.tX_anchor,u=this.#a.tY,x=!0,y=!0;for(e?e.blendMode(r):this.instance?this.instance.blendMode(r):blendMode(r);u=a){y=!0,d=this.#a.tX_anchor,u+=m;break}y=!y}x=!x}e?e.blendMode(this.instance?this.instance.BLEND:BLEND):this.instance?this.instance.blendMode(this.instance.BLEND):blendMode(BLEND),n&&e.reset()}#s(t){switch(t){case"int":this.#e=1,this.#i=this.#o;break;case"float":this.#e=0,this.#i=this.#h}}#r(t,i){return 1==this.#e?{min:Math.ceil(t),max:Math.floor(i)}:{min:t,max:i}}#o(t,i){return Math.floor(this.#t()*(i-t+1)+t)}#h(t,i){return this.#t()*(i-t)+t}}const p5grain=new P5Grain;p5.prototype.applyMonochromaticGrain=function(t,i){return p5grain.applyMonochromaticGrain(t,i)},p5.Graphics.prototype.applyMonochromaticGrain=function(t,i){return p5grain.applyMonochromaticGrain(t,i,this)},p5.Image.prototype.applyMonochromaticGrain=function(t,i){return p5grain.applyMonochromaticGrain(t,i,this)},p5.prototype.applyChromaticGrain=function(t,i){return p5grain.applyChromaticGrain(t,i)},p5.Graphics.prototype.applyChromaticGrain=function(t,i){return p5grain.applyChromaticGrain(t,i,this)},p5.Image.prototype.applyChromaticGrain=function(t,i){return p5grain.applyChromaticGrain(t,i,this)},p5.prototype.tinkerPixels=function(t,i){return p5grain.tinkerPixels(t,i)},p5.Graphics.prototype.tinkerPixels=function(t,i){return p5grain.tinkerPixels(t,i,this)},p5.Image.prototype.tinkerPixels=function(t,i){return p5grain.tinkerPixels(t,i,this)},p5.prototype.loopPixels=function(t,i){return p5grain.loopPixels(t,i)},p5.Graphics.prototype.loopPixels=function(t,i){return p5grain.loopPixels(t,i,this)},p5.Image.prototype.loopPixels=function(t,i){return p5grain.loopPixels(t,i,this)},p5.prototype.textureAnimate=function(t,i){return p5grain.textureAnimate(t,i)},p5.prototype.textureOverlay=function(t,i){return p5grain.textureOverlay(t,i)},p5.Graphics.prototype.textureOverlay=function(t,i){return p5grain.textureOverlay(t,i,this)}; 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e=this.canvas.id;JSON.stringify(this.ingredients.shapes)!==this.ingredients.pShapes&&(this.ingredients.pShapes=JSON.stringify(this.ingredients.shapes),this._accessibleOutputs.text&&this._updateTextOutput(e+"textOutput"),this._accessibleOutputs.grid&&this._updateGridOutput(e+"gridOutput"),this._accessibleOutputs.textLabel&&this._updateTextOutput(e+"textOutputLabel"),this._accessibleOutputs.gridLabel&&this._updateGridOutput(e+"gridOutputLabel"))},o.default.prototype._accsBackground=function(e){this.ingredients.pShapes=JSON.stringify(this.ingredients.shapes),this.ingredients.shapes={},this.ingredients.colors.backgroundRGBA!==e&&(this.ingredients.colors.backgroundRGBA=e,this.ingredients.colors.background=this._rgbColorName(e))},o.default.prototype._accsCanvasColors=function(e,t){"fill"===e?this.ingredients.colors.fillRGBA!==t&&(this.ingredients.colors.fillRGBA=t,this.ingredients.colors.fill=this._rgbColorName(t)):"stroke"===e&&this.ingredients.colors.strokeRGBA!==t&&(this.ingredients.colors.strokeRGBA=t,this.ingredients.colors.stroke=this._rgbColorName(t))},o.default.prototype._accsOutput=function(e,t){"ellipse"===e&&t[2]===t[3]?e="circle":"rectangle"===e&&t[2]===t[3]&&(e="square");var r,o,n={},s=!0,i=function(e,t){var r;e="rectangle"===e||"ellipse"===e||"arc"===e||"circle"===e||"square"===e?(r=Math.round(t[0]+t[2]/2),Math.round(t[1]+t[3]/2)):"triangle"===e?(r=(t[0]+t[2]+t[4])/3,(t[1]+t[3]+t[5])/3):"quadrilateral"===e?(r=(t[0]+t[2]+t[4]+t[6])/4,(t[1]+t[3]+t[5]+t[7])/4):"line"===e?(r=(t[0]+t[2])/2,(t[1]+t[3])/2):(r=t[0],t[1]);return[r,e]}(e,t);if("line"===e?(n.color=this.ingredients.colors.stroke,n.length=Math.round(this.dist(t[0],t[1],t[2],t[3])),r=this._getPos(t[0],[1]),o=this._getPos(t[2],[3]),n.loc=u(i,this.width,this.height),n.pos=r===o?"at ".concat(r):"from ".concat(r," to ").concat(o)):("point"===e?n.color=this.ingredients.colors.stroke:(n.color=this.ingredients.colors.fill,n.area=this._getArea(e,t)),n.pos=this._getPos.apply(this,l(i)),n.loc=u(i,this.width,this.height)),this.ingredients.shapes[e]){if(this.ingredients.shapes[e]!==[n]){for(var a in this.ingredients.shapes[e])JSON.stringify(this.ingredients.shapes[e][a])===JSON.stringify(n)&&(s=!1);!0===s&&this.ingredients.shapes[e].push(n)}}else this.ingredients.shapes[e]=[n]},o.default.prototype._getPos=function(e,t){var e=new DOMPointReadOnly(e,t),t=this._renderer.isP3D?new DOMMatrix(this._renderer.uMVMatrix.mat4):this.drawingContext.getTransform(),e=e.matrixTransform(t),t=e.x,e=e.y,r=this.width,o=this.height;return t<.4*r?e<.4*o?"top left":.6*oMath.PI?n+=o:n-=o)):"ellipse"===e||"circle"===e?n=3.14*t[2]/2*t[3]/2:"line"===e||"point"===e?n=0:"quadrilateral"===e?n=Math.abs((t[6]+t[0])*(t[7]-t[1])+(t[0]+t[2])*(t[1]-t[3])+(t[2]+t[4])*(t[3]-t[5])+(t[4]+t[6])*(t[5]-t[7]))/2:"rectangle"===e||"square"===e?n=t[2]*t[3]:"triangle"===e&&(n=Math.abs(t[0]*(t[3]-t[5])+t[2]*(t[5]-t[1])+t[4]*(t[1]-t[3]))/2),this.width*this._pixelDensity),i=this.height*this._pixelDensity,a=[new DOMPoint(0,0),new DOMPoint(s,0),new DOMPoint(s,i),new DOMPoint(0,i)],l=(this._renderer.isP3D?new DOMMatrix(this._renderer.uMVMatrix.mat4):this.drawingContext.getTransform()).inverse(),u=a.map(function(e){return e.matrixTransform(l)}),c=Math.abs((u[3].x+u[0].x)*(u[3].y-u[0].y)+(u[0].x+u[1].x)*(u[0].y-u[1].y)+(u[1].x+u[2].x)*(u[1].y-u[2].y)+(u[2].x+u[3].x)*(u[2].y-u[3].y))/2;return Math.round(100*n/c)};e=o.default;r.default=e},{"../core/main":275,"core-js/modules/es.array.concat":151,"core-js/modules/es.array.fill":154,"core-js/modules/es.array.from":158,"core-js/modules/es.array.iterator":161,"core-js/modules/es.array.map":164,"core-js/modules/es.number.to-fixed":175,"core-js/modules/es.object.to-string":182,"core-js/modules/es.regexp.to-string":188,"core-js/modules/es.string.iterator":192,"core-js/modules/es.symbol":204,"core-js/modules/es.symbol.description":202,"core-js/modules/es.symbol.iterator":203,"core-js/modules/web.dom-collections.iterator":238}],258:[function(e,t,r){"use strict";e("core-js/modules/es.array.concat"),e("core-js/modules/es.array.concat"),Object.defineProperty(r,"__esModule",{value:!0}),r.default=void 0;e=(e=e("../core/main"))&&e.__esModule?e:{default:e};e.default.prototype._updateTextOutput=function(e){var t,r,o,n;this.dummyDOM.querySelector("#".concat(e,"_summary"))&&(t=this._accessibleOutputs[e],o=function(e,t,r,o){r="Your output is a, ".concat(r," by ").concat(o," pixels, ").concat(t," canvas containing the following");r=1===e?"".concat(r," shape:"):"".concat(r," ").concat(e," shapes:");return r}((r=function(e,t){var r,o="",n=0;for(r in t)for(var s in t[r]){var i='
                              • ').concat(t[r][s].color," ").concat(r,"");"line"===r?i+=", ".concat(t[r][s].pos,", ").concat(t[r][s].length," pixels long.
                                • "):(i+=", at ".concat(t[r][s].pos),"point"!==r&&(i+=", covering ".concat(t[r][s].area,"% of the canvas")),i+="."),o+=i,n++}return{numShapes:n,listShapes:o}}(e,this.ingredients.shapes)).numShapes,this.ingredients.colors.background,this.width,this.height),n=function(e,t){var r,o="",n=0;for(r in t)for(var s in t[r]){var i='').concat(t[r][s].color," ").concat(r,"");"line"===r?i+="location = ".concat(t[r][s].pos,"length = ").concat(t[r][s].length," pixels"):(i+="location = ".concat(t[r][s].pos,""),"point"!==r&&(i+=" area = ".concat(t[r][s].area,"%")),i+=""),o+=i,n++}return o}(e,this.ingredients.shapes),o!==t.summary.innerHTML&&(t.summary.innerHTML=o),r.listShapes!==t.list.innerHTML&&(t.list.innerHTML=r.listShapes),n!==t.shapeDetails.innerHTML&&(t.shapeDetails.innerHTML=n),this._accessibleOutputs[e]=t)};e=e.default;r.default=e},{"../core/main":275,"core-js/modules/es.array.concat":151}],259:[function(e,t,r){"use strict";var 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curve (after t1)?\n if (y1 ? !y2 : y0) {\n // add the coverage for t1\n coverage.x += saturate(C1.x + 0.5);\n // calculate the anti-aliasing for t1\n weight.x = min(weight.x, abs(C1.x));\n }\n\n // are we outside the curve (after t2)?\n if (y1 ? !y0 : y2) {\n // subtract the coverage for t2\n coverage.x -= saturate(C2.x + 0.5);\n // calculate the anti-aliasing for t2\n weight.x = min(weight.x, abs(C2.x));\n }\n}\n\n// this is essentially the same as coverageX, but with the axes swapped\nvoid coverageY(vec2 p0, vec2 p1, vec2 p2) {\n\n vec2 C1, C2;\n calulateCrossings(p0, p1, p2, C1, C2);\n\n bool x0 = p0.x > vTexCoord.x;\n bool x1 = p1.x > vTexCoord.x;\n bool x2 = p2.x > vTexCoord.x;\n\n if (x1 ? !x2 : x0) {\n coverage.y -= saturate(C1.y + 0.5);\n weight.y = min(weight.y, abs(C1.y));\n }\n\n if (x1 ? !x0 : x2) {\n coverage.y += saturate(C2.y + 0.5);\n weight.y = min(weight.y, abs(C2.y));\n }\n}\n\nvoid main() {\n\n // calculate the pixel scale based on screen-coordinates\n pixelScale = hardness / fwidth(vTexCoord);\n\n // which grid cell is this pixel in?\n ivec2 gridCoord = ifloor(vTexCoord * vec2(uGridSize));\n\n // intersect curves in this row\n {\n // the index into the row info bitmap\n int rowIndex = gridCoord.y + uGridOffset.y;\n // fetch the info texel\n vec4 rowInfo = getTexel(uSamplerRows, rowIndex, uGridImageSize);\n // unpack the rowInfo\n int rowStrokeIndex = getInt16(rowInfo.xy);\n int rowStrokeCount = getInt16(rowInfo.zw);\n\n for (int iRowStroke = INT(0); iRowStroke < N; iRowStroke++) {\n if (iRowStroke >= rowStrokeCount)\n break;\n\n // each stroke is made up of 3 points: the start and control point\n // and the start of the next curve.\n // fetch the indices of this pair of strokes:\n vec4 strokeIndices = getTexel(uSamplerRowStrokes, rowStrokeIndex++, uCellsImageSize);\n\n // unpack the stroke index\n int strokePos = getInt16(strokeIndices.xy);\n\n // fetch the two strokes\n vec4 stroke0 = getTexel(uSamplerStrokes, strokePos + INT(0), uStrokeImageSize);\n vec4 stroke1 = getTexel(uSamplerStrokes, strokePos + INT(1), uStrokeImageSize);\n\n // calculate the coverage\n coverageX(stroke0.xy, stroke0.zw, stroke1.xy);\n }\n }\n\n // intersect curves in this column\n {\n int colIndex = gridCoord.x + uGridOffset.x;\n vec4 colInfo = getTexel(uSamplerCols, colIndex, uGridImageSize);\n int colStrokeIndex = getInt16(colInfo.xy);\n int colStrokeCount = getInt16(colInfo.zw);\n \n for (int iColStroke = INT(0); iColStroke < N; iColStroke++) {\n if (iColStroke >= colStrokeCount)\n break;\n\n vec4 strokeIndices = getTexel(uSamplerColStrokes, colStrokeIndex++, uCellsImageSize);\n\n int strokePos = getInt16(strokeIndices.xy);\n vec4 stroke0 = getTexel(uSamplerStrokes, strokePos + INT(0), uStrokeImageSize);\n vec4 stroke1 = getTexel(uSamplerStrokes, strokePos + INT(1), uStrokeImageSize);\n coverageY(stroke0.xy, stroke0.zw, stroke1.xy);\n }\n }\n\n weight = saturate(1.0 - weight * 2.0);\n float distance = max(weight.x + weight.y, minDistance); // manhattan approx.\n float antialias = abs(dot(coverage, weight) / distance);\n float cover = min(abs(coverage.x), abs(coverage.y));\n OUT_COLOR = vec4(uMaterialColor.rgb, 1.) * uMaterialColor.a;\n OUT_COLOR *= saturate(max(antialias, cover));\n}\n",lineVert:T+"/*\n Part of the Processing project - http://processing.org\n Copyright (c) 2012-15 The Processing Foundation\n Copyright (c) 2004-12 Ben Fry and Casey Reas\n Copyright (c) 2001-04 Massachusetts Institute of Technology\n This library is free software; you can redistribute it and/or\n modify it under the terms of the GNU Lesser General Public\n License as published by the Free Software Foundation, version 2.1.\n This library is distributed in the hope that it will be useful,\n but WITHOUT ANY WARRANTY; without even the implied warranty of\n MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU\n Lesser General Public License for more details.\n You should have received a copy of the GNU Lesser General\n Public License along with this library; if not, write to the\n Free Software Foundation, Inc., 59 Temple Place, Suite 330,\n Boston, MA 02111-1307 USA\n*/\n\n#define PROCESSING_LINE_SHADER\n\nprecision mediump int;\n\nuniform mat4 uModelViewMatrix;\nuniform mat4 uProjectionMatrix;\nuniform float uStrokeWeight;\n\nuniform bool uUseLineColor;\nuniform vec4 uMaterialColor;\n\nuniform vec4 uViewport;\nuniform int uPerspective;\nuniform int uStrokeJoin;\n\nIN vec4 aPosition;\nIN vec3 aTangentIn;\nIN vec3 aTangentOut;\nIN float aSide;\nIN vec4 aVertexColor;\n\nOUT vec4 vColor;\nOUT vec2 vTangent;\nOUT vec2 vCenter;\nOUT vec2 vPosition;\nOUT float vMaxDist;\nOUT float vCap;\nOUT float vJoin;\n\nvec2 lineIntersection(vec2 aPoint, vec2 aDir, vec2 bPoint, vec2 bDir) {\n // Rotate and translate so a starts at the origin and goes out to the right\n bPoint -= aPoint;\n vec2 rotatedBFrom = vec2(\n bPoint.x*aDir.x + bPoint.y*aDir.y,\n bPoint.y*aDir.x - bPoint.x*aDir.y\n );\n vec2 bTo = bPoint + bDir;\n vec2 rotatedBTo = vec2(\n bTo.x*aDir.x + bTo.y*aDir.y,\n bTo.y*aDir.x - bTo.x*aDir.y\n );\n float intersectionDistance =\n rotatedBTo.x + (rotatedBFrom.x - rotatedBTo.x) * rotatedBTo.y /\n (rotatedBTo.y - rotatedBFrom.y);\n return aPoint + aDir * intersectionDistance;\n}\n\nvoid main() {\n // Caps have one of either the in or out tangent set to 0\n vCap = (aTangentIn == vec3(0.)) != (aTangentOut == (vec3(0.)))\n ? 1. : 0.;\n\n // Joins have two unique, defined tangents\n vJoin = (\n aTangentIn != vec3(0.) &&\n aTangentOut != vec3(0.) &&\n aTangentIn != aTangentOut\n ) ? 1. : 0.;\n\n vec4 posp = uModelViewMatrix * aPosition;\n vec4 posqIn = uModelViewMatrix * (aPosition + vec4(aTangentIn, 0));\n vec4 posqOut = uModelViewMatrix * (aPosition + vec4(aTangentOut, 0));\n\n float facingCamera = pow(\n // The word space tangent's z value is 0 if it's facing the camera\n abs(normalize(posqIn-posp).z),\n\n // Using pow() here to ramp `facingCamera` up from 0 to 1 really quickly\n // so most lines get scaled and don't get clipped\n 0.25\n );\n\n // using a scale <1 moves the lines towards the camera\n // in order to prevent popping effects due to half of\n // the line disappearing behind the geometry faces.\n float scale = mix(1., 0.995, facingCamera);\n\n // Moving vertices slightly toward the camera\n // to avoid depth-fighting with the fill triangles.\n // Discussed here:\n // http://www.opengl.org/discussion_boards/ubbthreads.php?ubb=showflat&Number=252848 \n posp.xyz = posp.xyz * scale;\n posqIn.xyz = posqIn.xyz * scale;\n posqOut.xyz = posqOut.xyz * scale;\n\n vec4 p = uProjectionMatrix * posp;\n vec4 qIn = uProjectionMatrix * posqIn;\n vec4 qOut = uProjectionMatrix * posqOut;\n vCenter = p.xy;\n\n // formula to convert from clip space (range -1..1) to screen space (range 0..[width or height])\n // screen_p = (p.xy/p.w + <1,1>) * 0.5 * uViewport.zw\n\n // prevent division by W by transforming the tangent formula (div by 0 causes\n // the line to disappear, see https://github.com/processing/processing/issues/5183)\n // t = screen_q - screen_p\n //\n // tangent is normalized and we don't care which aDirection it points to (+-)\n // t = +- normalize( screen_q - screen_p )\n // t = +- normalize( (q.xy/q.w+<1,1>)*0.5*uViewport.zw - (p.xy/p.w+<1,1>)*0.5*uViewport.zw )\n //\n // extract common factor, <1,1> - <1,1> cancels out\n // t = +- normalize( (q.xy/q.w - p.xy/p.w) * 0.5 * uViewport.zw )\n //\n // convert to common divisor\n // t = +- normalize( ((q.xy*p.w - p.xy*q.w) / (p.w*q.w)) * 0.5 * uViewport.zw )\n //\n // remove the common scalar divisor/factor, not needed due to normalize and +-\n // (keep uViewport - can't remove because it has different components for x and y\n // and corrects for aspect ratio, see https://github.com/processing/processing/issues/5181)\n // t = +- normalize( (q.xy*p.w - p.xy*q.w) * uViewport.zw )\n\n vec2 tangentIn = normalize((qIn.xy*p.w - p.xy*qIn.w) * uViewport.zw);\n vec2 tangentOut = normalize((qOut.xy*p.w - p.xy*qOut.w) * uViewport.zw);\n\n vec2 curPerspScale;\n if(uPerspective == 1) {\n // Perspective ---\n // convert from world to clip by multiplying with projection scaling factor\n // to get the right thickness (see https://github.com/processing/processing/issues/5182)\n\n // The y value of the projection matrix may be flipped if rendering to a Framebuffer.\n // Multiplying again by its sign here negates the flip to get just the scale.\n curPerspScale = (uProjectionMatrix * vec4(1, sign(uProjectionMatrix[1][1]), 0, 0)).xy;\n } else {\n // No Perspective ---\n // multiply by W (to cancel out division by W later in the pipeline) and\n // convert from screen to clip (derived from clip to screen above)\n curPerspScale = p.w / (0.5 * uViewport.zw);\n }\n\n vec2 offset;\n if (vJoin == 1.) {\n vTangent = normalize(tangentIn + tangentOut);\n vec2 normalIn = vec2(-tangentIn.y, tangentIn.x);\n vec2 normalOut = vec2(-tangentOut.y, tangentOut.x);\n float side = sign(aSide);\n float sideEnum = abs(aSide);\n\n // We generate vertices for joins on either side of the centerline, but\n // the \"elbow\" side is the only one needing a join. By not setting the\n // offset for the other side, all its vertices will end up in the same\n // spot and not render, effectively discarding it.\n if (sign(dot(tangentOut, vec2(-tangentIn.y, tangentIn.x))) != side) {\n // Side enums:\n // 1: the side going into the join\n // 2: the middle of the join\n // 3: the side going out of the join\n if (sideEnum == 2.) {\n // Calculate the position + tangent on either side of the join, and\n // find where the lines intersect to find the elbow of the join\n vec2 c = (posp.xy/posp.w + vec2(1.,1.)) * 0.5 * uViewport.zw;\n vec2 intersection = lineIntersection(\n c + (side * normalIn * uStrokeWeight / 2.),\n tangentIn,\n c + (side * normalOut * uStrokeWeight / 2.),\n tangentOut\n );\n offset = (intersection - c);\n\n // When lines are thick and the angle of the join approaches 180, the\n // elbow might be really far from the center. We'll apply a limit to\n // the magnitude to avoid lines going across the whole screen when this\n // happens.\n float mag = length(offset);\n float maxMag = 3. * uStrokeWeight;\n if (mag > maxMag) {\n offset *= maxMag / mag;\n }\n } else if (sideEnum == 1.) {\n offset = side * normalIn * uStrokeWeight / 2.;\n } else if (sideEnum == 3.) {\n offset = side * normalOut * uStrokeWeight / 2.;\n }\n }\n if (uStrokeJoin == STROKE_JOIN_BEVEL) {\n vec2 avgNormal = vec2(-vTangent.y, vTangent.x);\n vMaxDist = abs(dot(avgNormal, normalIn * uStrokeWeight / 2.));\n } else {\n vMaxDist = uStrokeWeight / 2.;\n }\n } else {\n vec2 tangent = aTangentIn == vec3(0.) ? tangentOut : tangentIn;\n vTangent = tangent;\n vec2 normal = vec2(-tangent.y, tangent.x);\n\n float normalOffset = sign(aSide);\n // Caps will have side values of -2 or 2 on the edge of the cap that\n // extends out from the line\n float tangentOffset = abs(aSide) - 1.;\n offset = (normal * normalOffset + tangent * tangentOffset) *\n uStrokeWeight * 0.5;\n vMaxDist = uStrokeWeight / 2.;\n }\n vPosition = vCenter + offset;\n\n gl_Position.xy = p.xy + offset.xy * curPerspScale;\n gl_Position.zw = p.zw;\n \n vColor = (uUseLineColor ? aVertexColor : uMaterialColor);\n}\n",lineFrag:T+"precision mediump int;\n\nuniform vec4 uMaterialColor;\nuniform int uStrokeCap;\nuniform int uStrokeJoin;\nuniform float uStrokeWeight;\n\nIN vec4 vColor;\nIN vec2 vTangent;\nIN vec2 vCenter;\nIN vec2 vPosition;\nIN float vMaxDist;\nIN float vCap;\nIN float vJoin;\n\nfloat distSquared(vec2 a, vec2 b) {\n vec2 aToB = b - a;\n return dot(aToB, aToB);\n}\n\nvoid main() {\n if (vCap > 0.) {\n if (\n uStrokeCap == STROKE_CAP_ROUND &&\n distSquared(vPosition, vCenter) > uStrokeWeight * uStrokeWeight * 0.25\n ) {\n discard;\n } else if (\n uStrokeCap == STROKE_CAP_SQUARE &&\n dot(vPosition - vCenter, vTangent) > 0.\n ) {\n discard;\n }\n // Use full area for PROJECT\n } else if (vJoin > 0.) {\n if (\n uStrokeJoin == STROKE_JOIN_ROUND &&\n distSquared(vPosition, vCenter) > uStrokeWeight * uStrokeWeight * 0.25\n ) {\n discard;\n } else if (uStrokeJoin == STROKE_JOIN_BEVEL) {\n vec2 normal = vec2(-vTangent.y, vTangent.x);\n if (abs(dot(vPosition - vCenter, normal)) > vMaxDist) {\n discard;\n }\n }\n // Use full area for MITER\n }\n OUT_COLOR = vec4(vColor.rgb, 1.) * vColor.a;\n}\n",pointVert:"IN vec3 aPosition;\nuniform float uPointSize;\nOUT float vStrokeWeight;\nuniform mat4 uModelViewMatrix;\nuniform mat4 uProjectionMatrix;\nvoid main() {\n\tvec4 positionVec4 = vec4(aPosition, 1.0);\n\tgl_Position = uProjectionMatrix * uModelViewMatrix * positionVec4;\n\tgl_PointSize = uPointSize;\n\tvStrokeWeight = uPointSize;\n}\n",pointFrag:"precision mediump int;\nuniform vec4 uMaterialColor;\nIN float vStrokeWeight;\n\nvoid main(){\n float mask = 0.0;\n\n // make a circular mask using the gl_PointCoord (goes from 0 - 1 on a point)\n // might be able to get a nicer edge on big strokeweights with smoothstep but slightly less performant\n\n mask = step(0.98, length(gl_PointCoord * 2.0 - 1.0));\n\n // if strokeWeight is 1 or less lets just draw a square\n // this prevents weird artifacting from carving circles when our points are really small\n // if strokeWeight is larger than 1, we just use it as is\n\n mask = mix(0.0, mask, clamp(floor(vStrokeWeight - 0.5),0.0,1.0));\n\n // throw away the borders of the mask\n // otherwise we get weird alpha blending issues\n\n if(mask > 0.98){\n discard;\n }\n\n OUT_COLOR = vec4(uMaterialColor.rgb, 1.) * uMaterialColor.a;\n}\n",imageLightVert:"precision highp float;\nattribute vec3 aPosition;\nattribute vec3 aNormal;\nattribute vec2 aTexCoord;\n\nvarying vec3 localPos;\nvarying vec3 vWorldNormal;\nvarying vec3 vWorldPosition;\nvarying vec2 vTexCoord;\n\nuniform mat4 uModelViewMatrix;\nuniform mat4 uProjectionMatrix;\nuniform mat3 uNormalMatrix;\n\nvoid main() {\n // Multiply the position by the matrix.\n vec4 viewModelPosition = uModelViewMatrix * vec4(aPosition, 1.0);\n gl_Position = uProjectionMatrix * viewModelPosition; \n \n // orient the normals and pass to the fragment shader\n vWorldNormal = uNormalMatrix * aNormal;\n \n // send the view position to the fragment shader\n vWorldPosition = (uModelViewMatrix * vec4(aPosition, 1.0)).xyz;\n \n localPos = vWorldPosition;\n vTexCoord = aTexCoord;\n}\n\n\n/*\nin the vertex shader we'll compute the world position and world oriented normal of the vertices and pass those to the fragment shader as varyings.\n*/\n",imageLightDiffusedFrag:"precision highp float;\nvarying vec3 localPos;\n\n// the HDR cubemap converted (can be from an equirectangular environment map.)\nuniform sampler2D environmentMap;\nvarying vec2 vTexCoord;\n\nconst float PI = 3.14159265359;\n\nvec2 nTOE( vec3 v ){\n // x = r sin(phi) cos(theta) \n // y = r cos(phi) \n // z = r sin(phi) sin(theta)\n float phi = acos( v.y );\n // if phi is 0, then there are no x, z components\n float theta = 0.0;\n // else \n theta = acos(v.x / sin(phi));\n float sinTheta = v.z / sin(phi);\n if (sinTheta < 0.0) {\n // Turn it into -theta, but in the 0-2PI range\n theta = 2.0 * PI - theta;\n }\n theta = theta / (2.0 * 3.14159);\n phi = phi / 3.14159 ;\n \n vec2 angles = vec2( phi, theta );\n return angles;\n}\n\nvoid main()\n{ \t \n\t// the sample direction equals the hemisphere's orientation\n float phi = vTexCoord.x * 2.0 * PI;\n float theta = vTexCoord.y * PI;\n float x = sin(theta) * cos(phi);\n float y = sin(theta) * sin(phi);\n float z = cos(theta);\n vec3 normal = vec3( x, y, z);\n\n\t// Discretely sampling the hemisphere given the integral's\n // spherical coordinates translates to the following fragment code:\n\tvec3 irradiance = vec3(0.0); \n\tvec3 up\t= vec3(0.0, 1.0, 0.0);\n\tvec3 right = normalize(cross(up, normal));\n\tup = normalize(cross(normal, right));\n\n\t// We specify a fixed sampleDelta delta value to traverse\n // the hemisphere; decreasing or increasing the sample delta\n // will increase or decrease the accuracy respectively.\n\tconst float sampleDelta = 0.025;\n\tfloat nrSamples = 0.0;\n \n\tfor(float phi = 0.0; phi < 2.0 * PI; phi += sampleDelta)\n\t{\n for(float theta = 0.0; theta < ( 0.5 ) * PI; theta += sampleDelta)\n {\n // spherical to cartesian (in tangent space) // tangent space to world // add each sample result to irradiance\n float x = sin(theta) * cos(phi);\n float y = sin(theta) * sin(phi);\n float z = cos(theta);\n vec3 tangentSample = vec3( x, y, z);\n \n vec3 sampleVec = tangentSample.x * right + tangentSample.y * up + tangentSample.z * normal;\n irradiance += (texture2D(environmentMap, nTOE(sampleVec)).xyz) * cos(theta) * sin(theta);\n nrSamples++;\n }\n\t}\n\t// divide by the total number of samples taken, giving us the average sampled irradiance.\n\tirradiance = PI * irradiance * (1.0 / float(nrSamples )) ;\n \n \n\tgl_FragColor = vec4(irradiance, 1.0);\n}",imageLightSpecularFrag:"precision highp float;\r\nvarying vec3 localPos;\r\nvarying vec2 vTexCoord;\r\n\r\n// our texture\r\nuniform sampler2D environmentMap;\r\nuniform float roughness;\r\n\r\nconst float PI = 3.14159265359;\r\n\r\nfloat VanDerCorput(int bits);\r\nvec2 HammersleyNoBitOps(int i, int N);\r\nvec3 ImportanceSampleGGX(vec2 Xi, vec3 N, float roughness);\r\n\r\n\r\nvec2 nTOE( vec3 v ){\r\n // x = r sin(phi) cos(theta) \r\n // y = r cos(phi) \r\n // z = r sin(phi) sin(theta)\r\n float phi = acos( v.y );\r\n // if phi is 0, then there are no x, z components\r\n float theta = 0.0;\r\n // else \r\n theta = acos(v.x / sin(phi));\r\n float sinTheta = v.z / sin(phi);\r\n if (sinTheta < 0.0) {\r\n // Turn it into -theta, but in the 0-2PI range\r\n theta = 2.0 * PI - theta;\r\n }\r\n theta = theta / (2.0 * 3.14159);\r\n phi = phi / 3.14159 ;\r\n \r\n vec2 angles = vec2( phi, theta );\r\n return angles;\r\n}\r\n\r\n\r\nvoid main(){\r\n const int SAMPLE_COUNT = 1024; // 4096\r\n float totalWeight = 0.0;\r\n vec3 prefilteredColor = vec3(0.0);\r\n float phi = vTexCoord.x * 2.0 * PI;\r\n float theta = vTexCoord.y * PI;\r\n float x = sin(theta) * cos(phi);\r\n float y = sin(theta) * sin(phi);\r\n float z = cos(theta);\r\n vec3 N = vec3(x,y,z);\r\n vec3 V = N;\r\n for (int i = 0; i < SAMPLE_COUNT; ++i)\r\n {\r\n vec2 Xi = HammersleyNoBitOps(i, SAMPLE_COUNT);\r\n vec3 H = ImportanceSampleGGX(Xi, N, roughness);\r\n vec3 L = normalize(2.0 * dot(V, H) * H - V);\r\n\r\n float NdotL = max(dot(N, L), 0.0);\r\n if (NdotL > 0.0)\r\n {\r\n prefilteredColor += texture2D(environmentMap, nTOE(L)).xyz * NdotL;\r\n totalWeight += NdotL;\r\n }\r\n }\r\n prefilteredColor = prefilteredColor / totalWeight;\r\n\r\n gl_FragColor = vec4(prefilteredColor, 1.0);\r\n}\r\n\r\nvec3 ImportanceSampleGGX(vec2 Xi, vec3 N, float roughness){\r\n float a = roughness * roughness;\r\n\r\n float phi = 2.0 * PI * Xi.x;\r\n float cosTheta = sqrt((1.0 - Xi.y) / (1.0 + (a * a - 1.0) * Xi.y));\r\n float sinTheta = sqrt(1.0 - cosTheta * cosTheta);\r\n // from spherical coordinates to cartesian coordinates\r\n vec3 H;\r\n H.x = cos(phi) * sinTheta;\r\n H.y = sin(phi) * sinTheta;\r\n H.z = cosTheta;\r\n\r\n // from tangent-space vector to world-space sample vector\r\n vec3 up = abs(N.z) < 0.999 ? vec3(0.0, 0.0, 1.0) : vec3(1.0, 0.0, 0.0);\r\n vec3 tangent = normalize(cross(up, N));\r\n vec3 bitangent = cross(N, tangent);\r\n\r\n vec3 sampleVec = tangent * H.x + bitangent * H.y + N * H.z;\r\n return normalize(sampleVec);\r\n}\r\n\r\n\r\nfloat VanDerCorput(int n, int base)\r\n{\r\n float invBase = 1.0 / float(base);\r\n float denom = 1.0;\r\n float result = 0.0;\r\n\r\n for (int i = 0; i < 32; ++i)\r\n {\r\n\tif (n > 0)\r\n\t{\r\n \tdenom = mod(float(n), 2.0);\r\n \tresult += denom * invBase;\r\n \tinvBase = invBase / 2.0;\r\n \tn = int(float(n) / 2.0);\r\n\t}\r\n }\r\n\r\n return result;\r\n}\r\n\r\nvec2 HammersleyNoBitOps(int i, int N)\r\n{\r\n return vec2(float(i) / float(N), VanDerCorput(i, 2));\r\n}\r\n"};for(x in M)M[x]="#ifdef WEBGL2\n\n#define IN in\n#define OUT out\n\n#ifdef FRAGMENT_SHADER\nout vec4 outColor;\n#define OUT_COLOR outColor\n#endif\n#define TEXTURE texture\n\n#else\n\n#ifdef FRAGMENT_SHADER\n#define IN varying\n#else\n#define IN attribute\n#endif\n#define OUT varying\n#define TEXTURE texture2D\n\n#ifdef FRAGMENT_SHADER\n#define OUT_COLOR gl_FragColor\n#endif\n\n#endif\n"+M[x];j(e={},l.GRAY,"precision highp float;\n\nvarying vec2 vTexCoord;\n\nuniform sampler2D tex0;\n\nfloat luma(vec3 color) {\n // weighted grayscale with luminance values\n return dot(color, vec3(0.2126, 0.7152, 0.0722));\n}\n\nvoid main() {\n vec4 tex = texture2D(tex0, vTexCoord);\n float gray = luma(tex.rgb);\n gl_FragColor = vec4(gray, gray, gray, tex.a);\n}\n"),j(e,l.ERODE,"// Reduces the bright areas in an image\n\nprecision highp float;\n\nvarying vec2 vTexCoord;\n\nuniform sampler2D tex0;\nuniform vec2 texelSize;\n\nfloat luma(vec3 color) {\n // weighted grayscale with luminance values\n // weights 77, 151, 28 taken from src/image/filters.js\n return dot(color, vec3(0.300781, 0.589844, 0.109375));\n}\n\nvoid main() {\n vec4 color = texture2D(tex0, vTexCoord);\n float lum = luma(color.rgb);\n\n // set current color as the darkest neighbor color\n\n vec4 neighbors[4];\n neighbors[0] = texture2D(tex0, vTexCoord + vec2( texelSize.x, 0.0));\n neighbors[1] = texture2D(tex0, vTexCoord + vec2(-texelSize.x, 0.0));\n neighbors[2] = texture2D(tex0, vTexCoord + vec2(0.0, texelSize.y));\n neighbors[3] = texture2D(tex0, vTexCoord + vec2(0.0, -texelSize.y));\n\n for (int i = 0; i < 4; i++) {\n vec4 neighborColor = neighbors[i];\n float neighborLum = luma(neighborColor.rgb);\n\n if (neighborLum < lum) {\n color = neighborColor;\n lum = neighborLum;\n }\n }\n\n gl_FragColor = color;\n}\n"),j(e,l.DILATE,"// Increase the bright areas in an image\n\nprecision highp float;\n\nvarying vec2 vTexCoord;\n\nuniform sampler2D tex0;\nuniform vec2 texelSize;\n\nfloat luma(vec3 color) {\n // weighted grayscale with luminance values\n // weights 77, 151, 28 taken from src/image/filters.js\n return dot(color, vec3(0.300781, 0.589844, 0.109375));\n}\n\nvoid main() {\n vec4 color = texture2D(tex0, vTexCoord);\n float lum = luma(color.rgb);\n\n // set current color as the brightest neighbor color\n\n vec4 neighbors[4];\n neighbors[0] = texture2D(tex0, vTexCoord + vec2( texelSize.x, 0.0));\n neighbors[1] = texture2D(tex0, vTexCoord + vec2(-texelSize.x, 0.0));\n neighbors[2] = texture2D(tex0, vTexCoord + vec2(0.0, texelSize.y));\n neighbors[3] = texture2D(tex0, vTexCoord + vec2(0.0, -texelSize.y));\n\n for (int i = 0; i < 4; i++) {\n vec4 neighborColor = neighbors[i];\n float neighborLum = luma(neighborColor.rgb);\n\n if (neighborLum > lum) {\n color = neighborColor;\n lum = neighborLum;\n }\n }\n\n gl_FragColor = color;\n}\n"),j(e,l.BLUR,"precision highp float;\n\n// Two-pass blur filter, unweighted kernel.\n// See also a similar blur at Adam Ferriss' repo of shader examples:\n// https://github.com/aferriss/p5jsShaderExamples/blob/gh-pages/4_image-effects/4-9_single-pass-blur/effect.frag\n\n\nuniform sampler2D tex0;\nvarying vec2 vTexCoord;\nuniform vec2 direction;\nuniform vec2 canvasSize;\nuniform float radius;\n\nfloat random(vec2 p) {\n vec3 p3 = fract(vec3(p.xyx) * .1031);\n p3 += dot(p3, p3.yzx + 33.33);\n return fract((p3.x + p3.y) * p3.z);\n}\n\n// This isn't a real Gaussian weight, it's a quadratic weight. It's what the\n// CPU mode's blur uses though, so we also use it here to match.\nfloat quadWeight(float x, float e) {\n return pow(e-abs(x), 2.);\n}\n\nvoid main(){\n vec2 uv = vTexCoord;\n\n // A reasonable maximum number of samples\n const float maxSamples = 64.0;\n\n float numSamples = floor(7. * radius);\n if (fract(numSamples / 2.) == 0.) {\n numSamples++;\n }\n vec4 avg = vec4(0.0);\n float total = 0.0;\n\n // Calculate the spacing to avoid skewing if numSamples > maxSamples\n float spacing = 1.0;\n if (numSamples > maxSamples) {\n spacing = numSamples / maxSamples;\n numSamples = maxSamples;\n }\n\n float randomOffset = (spacing - 1.0) * mix(-0.5, 0.5, random(gl_FragCoord.xy));\n for (float i = 0.0; i < maxSamples; i++) {\n if (i >= numSamples) break;\n\n float sample = i * spacing - (numSamples - 1.0) * 0.5 * spacing + randomOffset;\n vec2 sampleCoord = uv + vec2(sample, sample) / canvasSize * direction;\n float weight = quadWeight(sample, (numSamples - 1.0) * 0.5 * spacing);\n\n avg += weight * texture2D(tex0, sampleCoord);\n total += weight;\n }\n\n avg /= total;\n gl_FragColor = avg;\n}\n"),j(e,l.POSTERIZE,"// Limit color space for a stylized cartoon / poster effect\n\nprecision highp float;\n\nvarying vec2 vTexCoord;\n\nuniform sampler2D tex0;\nuniform float filterParameter;\n\nvec3 quantize(vec3 color, float n) {\n // restrict values to N options/bins\n // and floor each channel to nearest value\n //\n // eg. when N = 5, values = 0.0, 0.25, 0.50, 0.75, 1.0\n // then quantize (0.1, 0.7, 0.9) -> (0.0, 0.5, 1.0)\n\n color = color * n;\n color = floor(color);\n color = color / (n - 1.0);\n return color;\n}\n\nvoid main() {\n vec4 color = texture2D(tex0, vTexCoord);\n\n vec3 restrictedColor = quantize(color.rgb / color.a, filterParameter);\n\n gl_FragColor = vec4(restrictedColor.rgb * color.a, color.a);\n}\n"),j(e,l.OPAQUE,"// Set alpha channel to entirely opaque\n\nprecision highp float;\n\nvarying vec2 vTexCoord;\n\nuniform sampler2D tex0;\n\nvoid main() {\n vec4 color = texture2D(tex0, vTexCoord);\n gl_FragColor = vec4(color.rgb / color.a, 1.0);\n}\n"),j(e,l.INVERT,"// Set each pixel to inverse value\n// Note that original INVERT does not change the opacity, so this follows suit\n\nprecision highp float;\n\nvarying vec2 vTexCoord;\n\nuniform sampler2D tex0;\n\nvoid main() {\nvec4 color = texture2D(tex0, vTexCoord);\nvec3 origColor = color.rgb / color.a;\nvec3 invertedColor = vec3(1.0) - origColor;\ngl_FragColor = vec4(invertedColor * color.a, color.a);\n}\n"),j(e,l.THRESHOLD,"// Convert pixels to either white or black, \n// depending on if their luma is above or below filterParameter\n\nprecision highp float;\n\nvarying vec2 vTexCoord;\n\nuniform sampler2D tex0;\nuniform float filterParameter;\n\nfloat luma(vec3 color) {\n // weighted grayscale with luminance values\n return dot(color, vec3(0.2126, 0.7152, 0.0722));\n}\n\nvoid main() {\n vec4 color = texture2D(tex0, vTexCoord);\n float gray = luma(color.rgb / color.a);\n // floor() used to match src/image/filters.js\n float threshold = floor(filterParameter * 255.0) / 255.0;\n float blackOrWhite = step(threshold, gray);\n gl_FragColor = vec4(vec3(blackOrWhite) * color.a, color.a);\n}\n");var E=e;function k(e,t,r,o,n,s,i,a,l,u){var c=t.getParameter(t.FRAMEBUFFER_BINDING),r=(t.bindFramebuffer(t.FRAMEBUFFER,r),a===t.RGBA?4:3),d=s*i*r,h=l===t.UNSIGNED_BYTE?Uint8Array:Float32Array;if(e instanceof h&&e.length===d||(e=new h(d)),t.readPixels(o,u?u-n-i:n,s,i,a,l,e),t.bindFramebuffer(t.FRAMEBUFFER,c),u)for(var f=Math.floor(i/2),p=new h(s*r),m=0;m>7,127&d,c>>7,127&c);for(var h=0;h>7,127&f,0,0)}}return{cellImageInfo:a,dimOffset:t,dimImageInfo:n}}}}]),t}();B.default.RendererGL.prototype._renderText=function(e,t,r,o,n){if(this._textFont&&"string"!=typeof this._textFont){if(!(n<=o)&&this._doFill){if(this._isOpenType()){e.push();var n=this._doStroke,s=this.drawMode,i=(this._doStroke=!1,this.drawMode=M.TEXTURE,this._textFont.font),a=(a=this._textFont._fontInfo)||(this._textFont._fontInfo=new E(i)),r=this._textFont._handleAlignment(this,t,r,o),o=this._textSize/i.unitsPerEm,l=(this.translate(r.x,r.y,0),this.scale(o,o,1),this.GL),r=!this._defaultFontShader,u=this._getFontShader(),c=(u.init(),u.bindShader(),r&&(u.setUniform("uGridImageSize",[64,64]),u.setUniform("uCellsImageSize",[64,64]),u.setUniform("uStrokeImageSize",[64,64]),u.setUniform("uGridSize",[9,9])),this._applyColorBlend(this.curFillColor),this.retainedMode.geometry.glyph),d=(c||((o=this._textGeom=new B.default.Geometry(1,1,function(){for(var e=0;e<=1;e++)for(var t=0;t<=1;t++)this.vertices.push(new B.default.Vector(t,e,0)),this.uvs.push(t,e)})).computeFaces().computeNormals(),c=this.createBuffers("glyph",o)),!0),r=!1,o=void 0;try{for(var h,f=this.retainedMode.buffers.text[Symbol.iterator]();!(d=(h=f.next()).done);d=!0)h.value._prepareBuffer(c,u)}catch(e){r=!0,o=e}finally{try{d||null==f.return||f.return()}finally{if(r)throw o}}this._bindBuffer(c.indexBuffer,l.ELEMENT_ARRAY_BUFFER),u.setUniform("uMaterialColor",this.curFillColor),l.pixelStorei(l.UNPACK_PREMULTIPLY_ALPHA_WEBGL,!1);try{var p=0,m=null,y=i.stringToGlyphs(t),g=!0,v=!1,b=void 0;try{for(var j,_=y[Symbol.iterator]();!(g=(j=_.next()).done);g=!0){var x,w,S=j.value,T=(m&&(p+=i.getKerningValue(m,S)),a.getGlyphInfo(S));T.uGlyphRect&&(x=T.rowInfo,w=T.colInfo,u.setUniform("uSamplerStrokes",T.strokeImageInfo.imageData),u.setUniform("uSamplerRowStrokes",x.cellImageInfo.imageData),u.setUniform("uSamplerRows",x.dimImageInfo.imageData),u.setUniform("uSamplerColStrokes",w.cellImageInfo.imageData),u.setUniform("uSamplerCols",w.dimImageInfo.imageData),u.setUniform("uGridOffset",T.uGridOffset),u.setUniform("uGlyphRect",T.uGlyphRect),u.setUniform("uGlyphOffset",p),u.bindTextures(),l.drawElements(l.TRIANGLES,6,this.GL.UNSIGNED_SHORT,0)),p+=S.advanceWidth,m=S}}catch(e){v=!0,b=e}finally{try{g||null==_.return||_.return()}finally{if(v)throw b}}}finally{u.unbindShader(),this._doStroke=n,this.drawMode=s,l.pixelStorei(l.UNPACK_PREMULTIPLY_ALPHA_WEBGL,!0),e.pop()}}else console.log("WEBGL: only Opentype (.otf) and Truetype (.ttf) fonts are supported");return e}}else console.log("WEBGL: you must load and set a font before drawing text. 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                                  Grid Output

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e=this.canvas.id;JSON.stringify(this.ingredients.shapes)===this.ingredients.pShapes&&this.ingredients.colors.background===this.ingredients.pBackground||(this.ingredients.pShapes=JSON.stringify(this.ingredients.shapes),this._accessibleOutputs.text&&this._updateTextOutput(e+"textOutput"),this._accessibleOutputs.grid&&this._updateGridOutput(e+"gridOutput"),this._accessibleOutputs.textLabel&&this._updateTextOutput(e+"textOutputLabel"),this._accessibleOutputs.gridLabel&&this._updateGridOutput(e+"gridOutputLabel"))},o.default.prototype._accsBackground=function(e){this.ingredients.pShapes=JSON.stringify(this.ingredients.shapes),this.ingredients.pBackground=this.ingredients.colors.background,this.ingredients.shapes={},this.ingredients.colors.backgroundRGBA!==e&&(this.ingredients.colors.backgroundRGBA=e,this.ingredients.colors.background=this._rgbColorName(e))},o.default.prototype._accsCanvasColors=function(e,t){"fill"===e?this.ingredients.colors.fillRGBA!==t&&(this.ingredients.colors.fillRGBA=t,this.ingredients.colors.fill=this._rgbColorName(t)):"stroke"===e&&this.ingredients.colors.strokeRGBA!==t&&(this.ingredients.colors.strokeRGBA=t,this.ingredients.colors.stroke=this._rgbColorName(t))},o.default.prototype._accsOutput=function(e,t){"ellipse"===e&&t[2]===t[3]?e="circle":"rectangle"===e&&t[2]===t[3]&&(e="square");var r,o,n={},s=!0,i=function(e,t){var r;e="rectangle"===e||"ellipse"===e||"arc"===e||"circle"===e||"square"===e?(r=Math.round(t[0]+t[2]/2),Math.round(t[1]+t[3]/2)):"triangle"===e?(r=(t[0]+t[2]+t[4])/3,(t[1]+t[3]+t[5])/3):"quadrilateral"===e?(r=(t[0]+t[2]+t[4]+t[6])/4,(t[1]+t[3]+t[5]+t[7])/4):"line"===e?(r=(t[0]+t[2])/2,(t[1]+t[3])/2):(r=t[0],t[1]);return[r,e]}(e,t);if("line"===e?(n.color=this.ingredients.colors.stroke,n.length=Math.round(this.dist(t[0],t[1],t[2],t[3])),r=this._getPos(t[0],[1]),o=this._getPos(t[2],[3]),n.loc=u(i,this.width,this.height),n.pos=r===o?"at ".concat(r):"from ".concat(r," to ").concat(o)):("point"===e?n.color=this.ingredients.colors.stroke:(n.color=this.ingredients.colors.fill,n.area=this._getArea(e,t)),n.pos=this._getPos.apply(this,l(i)),n.loc=u(i,this.width,this.height)),this.ingredients.shapes[e]){if(this.ingredients.shapes[e]!==[n]){for(var a in this.ingredients.shapes[e])JSON.stringify(this.ingredients.shapes[e][a])===JSON.stringify(n)&&(s=!1);!0===s&&this.ingredients.shapes[e].push(n)}}else this.ingredients.shapes[e]=[n]},o.default.prototype._getPos=function(e,t){var e=new DOMPointReadOnly(e,t),t=this._renderer.isP3D?new DOMMatrix(this._renderer.uMVMatrix.mat4):this.drawingContext.getTransform(),e=e.matrixTransform(t),t=e.x,e=e.y,r=this.width*this._pixelDensity,o=this.height*this._pixelDensity;return t<.4*r?e<.4*o?"top left":.6*oMath.PI?n+=o:n-=o)):"ellipse"===e||"circle"===e?n=3.14*t[2]/2*t[3]/2:"line"===e||"point"===e?n=0:"quadrilateral"===e?n=Math.abs((t[6]+t[0])*(t[7]-t[1])+(t[0]+t[2])*(t[1]-t[3])+(t[2]+t[4])*(t[3]-t[5])+(t[4]+t[6])*(t[5]-t[7]))/2:"rectangle"===e||"square"===e?n=t[2]*t[3]:"triangle"===e&&(n=Math.abs(t[0]*(t[3]-t[5])+t[2]*(t[5]-t[1])+t[4]*(t[1]-t[3]))/2),this.width*this._pixelDensity),i=this.height*this._pixelDensity,a=[new DOMPoint(0,0),new DOMPoint(s,0),new DOMPoint(s,i),new 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curve (after t1)?\n if (y1 ? !y2 : y0) {\n // add the coverage for t1\n coverage.x += saturate(C1.x + 0.5);\n // calculate the anti-aliasing for t1\n weight.x = min(weight.x, abs(C1.x));\n }\n\n // are we outside the curve (after t2)?\n if (y1 ? !y0 : y2) {\n // subtract the coverage for t2\n coverage.x -= saturate(C2.x + 0.5);\n // calculate the anti-aliasing for t2\n weight.x = min(weight.x, abs(C2.x));\n }\n}\n\n// this is essentially the same as coverageX, but with the axes swapped\nvoid coverageY(vec2 p0, vec2 p1, vec2 p2) {\n\n vec2 C1, C2;\n calulateCrossings(p0, p1, p2, C1, C2);\n\n bool x0 = p0.x > vTexCoord.x;\n bool x1 = p1.x > vTexCoord.x;\n bool x2 = p2.x > vTexCoord.x;\n\n if (x1 ? !x2 : x0) {\n coverage.y -= saturate(C1.y + 0.5);\n weight.y = min(weight.y, abs(C1.y));\n }\n\n if (x1 ? !x0 : x2) {\n coverage.y += saturate(C2.y + 0.5);\n weight.y = min(weight.y, abs(C2.y));\n }\n}\n\nvoid main() {\n\n // calculate the pixel scale based on screen-coordinates\n pixelScale = hardness / fwidth(vTexCoord);\n\n // which grid cell is this pixel in?\n ivec2 gridCoord = ifloor(vTexCoord * vec2(uGridSize));\n\n // intersect curves in this row\n {\n // the index into the row info bitmap\n int rowIndex = gridCoord.y + uGridOffset.y;\n // fetch the info texel\n vec4 rowInfo = getTexel(uSamplerRows, rowIndex, uGridImageSize);\n // unpack the rowInfo\n int rowStrokeIndex = getInt16(rowInfo.xy);\n int rowStrokeCount = getInt16(rowInfo.zw);\n\n for (int iRowStroke = INT(0); iRowStroke < N; iRowStroke++) {\n if (iRowStroke >= rowStrokeCount)\n break;\n\n // each stroke is made up of 3 points: the start and control point\n // and the start of the next curve.\n // fetch the indices of this pair of strokes:\n vec4 strokeIndices = getTexel(uSamplerRowStrokes, rowStrokeIndex++, uCellsImageSize);\n\n // unpack the stroke index\n int strokePos = getInt16(strokeIndices.xy);\n\n // fetch the two strokes\n vec4 stroke0 = getTexel(uSamplerStrokes, strokePos + INT(0), uStrokeImageSize);\n vec4 stroke1 = getTexel(uSamplerStrokes, strokePos + INT(1), uStrokeImageSize);\n\n // calculate the coverage\n coverageX(stroke0.xy, stroke0.zw, stroke1.xy);\n }\n }\n\n // intersect curves in this column\n {\n int colIndex = gridCoord.x + uGridOffset.x;\n vec4 colInfo = getTexel(uSamplerCols, colIndex, uGridImageSize);\n int colStrokeIndex = getInt16(colInfo.xy);\n int colStrokeCount = getInt16(colInfo.zw);\n \n for (int iColStroke = INT(0); iColStroke < N; iColStroke++) {\n if (iColStroke >= colStrokeCount)\n break;\n\n vec4 strokeIndices = getTexel(uSamplerColStrokes, colStrokeIndex++, uCellsImageSize);\n\n int strokePos = getInt16(strokeIndices.xy);\n vec4 stroke0 = getTexel(uSamplerStrokes, strokePos + INT(0), uStrokeImageSize);\n vec4 stroke1 = getTexel(uSamplerStrokes, strokePos + INT(1), uStrokeImageSize);\n coverageY(stroke0.xy, stroke0.zw, stroke1.xy);\n }\n }\n\n weight = saturate(1.0 - weight * 2.0);\n float distance = max(weight.x + weight.y, minDistance); // manhattan approx.\n float antialias = abs(dot(coverage, weight) / distance);\n float cover = min(abs(coverage.x), abs(coverage.y));\n OUT_COLOR = vec4(uMaterialColor.rgb, 1.) * uMaterialColor.a;\n OUT_COLOR *= saturate(max(antialias, cover));\n}\n",lineVert:T+"/*\n Part of the Processing project - http://processing.org\n Copyright (c) 2012-15 The Processing Foundation\n Copyright (c) 2004-12 Ben Fry and Casey Reas\n Copyright (c) 2001-04 Massachusetts Institute of Technology\n This library is free software; you can redistribute it and/or\n modify it under the terms of the GNU Lesser General Public\n License as published by the Free Software Foundation, version 2.1.\n This library is distributed in the hope that it will be useful,\n but WITHOUT ANY WARRANTY; without even the implied warranty of\n MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU\n Lesser General Public License for more details.\n You should have received a copy of the GNU Lesser General\n Public License along with this library; if not, write to the\n Free Software Foundation, Inc., 59 Temple Place, Suite 330,\n Boston, MA 02111-1307 USA\n*/\n\n#define PROCESSING_LINE_SHADER\n\nprecision mediump int;\n\nuniform mat4 uModelViewMatrix;\nuniform mat4 uProjectionMatrix;\nuniform float uStrokeWeight;\n\nuniform bool uUseLineColor;\nuniform vec4 uMaterialColor;\n\nuniform vec4 uViewport;\nuniform int uPerspective;\nuniform int uStrokeJoin;\n\nIN vec4 aPosition;\nIN vec3 aTangentIn;\nIN vec3 aTangentOut;\nIN float aSide;\nIN vec4 aVertexColor;\n\nOUT vec4 vColor;\nOUT vec2 vTangent;\nOUT vec2 vCenter;\nOUT vec2 vPosition;\nOUT float vMaxDist;\nOUT float vCap;\nOUT float vJoin;\n\nvec2 lineIntersection(vec2 aPoint, vec2 aDir, vec2 bPoint, vec2 bDir) {\n // Rotate and translate so a starts at the origin and goes out to the right\n bPoint -= aPoint;\n vec2 rotatedBFrom = vec2(\n bPoint.x*aDir.x + bPoint.y*aDir.y,\n bPoint.y*aDir.x - bPoint.x*aDir.y\n );\n vec2 bTo = bPoint + bDir;\n vec2 rotatedBTo = vec2(\n bTo.x*aDir.x + bTo.y*aDir.y,\n bTo.y*aDir.x - bTo.x*aDir.y\n );\n float intersectionDistance =\n rotatedBTo.x + (rotatedBFrom.x - rotatedBTo.x) * rotatedBTo.y /\n (rotatedBTo.y - rotatedBFrom.y);\n return aPoint + aDir * intersectionDistance;\n}\n\nvoid main() {\n // Caps have one of either the in or out tangent set to 0\n vCap = (aTangentIn == vec3(0.)) != (aTangentOut == (vec3(0.)))\n ? 1. : 0.;\n\n // Joins have two unique, defined tangents\n vJoin = (\n aTangentIn != vec3(0.) &&\n aTangentOut != vec3(0.) &&\n aTangentIn != aTangentOut\n ) ? 1. : 0.;\n\n vec4 posp = uModelViewMatrix * aPosition;\n vec4 posqIn = uModelViewMatrix * (aPosition + vec4(aTangentIn, 0));\n vec4 posqOut = uModelViewMatrix * (aPosition + vec4(aTangentOut, 0));\n\n float facingCamera = pow(\n // The word space tangent's z value is 0 if it's facing the camera\n abs(normalize(posqIn-posp).z),\n\n // Using pow() here to ramp `facingCamera` up from 0 to 1 really quickly\n // so most lines get scaled and don't get clipped\n 0.25\n );\n\n // Moving vertices slightly toward the camera\n // to avoid depth-fighting with the fill triangles.\n // This prevents popping effects due to half of\n // the line disappearing behind the geometry faces.\n \n float zOffset = mix(-0.00045, -1., facingCamera);\n posp.z -= zOffset;\n posqIn.z -= zOffset;\n posqOut.z -= zOffset;\n \n vec4 p = uProjectionMatrix * posp;\n vec4 qIn = uProjectionMatrix * posqIn;\n vec4 qOut = uProjectionMatrix * posqOut;\n vCenter = p.xy;\n\n // formula to convert from clip space (range -1..1) to screen space (range 0..[width or height])\n // screen_p = (p.xy/p.w + <1,1>) * 0.5 * uViewport.zw\n\n // prevent division by W by transforming the tangent formula (div by 0 causes\n // the line to disappear, see https://github.com/processing/processing/issues/5183)\n // t = screen_q - screen_p\n //\n // tangent is normalized and we don't care which aDirection it points to (+-)\n // t = +- normalize( screen_q - screen_p )\n // t = +- normalize( (q.xy/q.w+<1,1>)*0.5*uViewport.zw - (p.xy/p.w+<1,1>)*0.5*uViewport.zw )\n //\n // extract common factor, <1,1> - <1,1> cancels out\n // t = +- normalize( (q.xy/q.w - p.xy/p.w) * 0.5 * uViewport.zw )\n //\n // convert to common divisor\n // t = +- normalize( ((q.xy*p.w - p.xy*q.w) / (p.w*q.w)) * 0.5 * uViewport.zw )\n //\n // remove the common scalar divisor/factor, not needed due to normalize and +-\n // (keep uViewport - can't remove because it has different components for x and y\n // and corrects for aspect ratio, see https://github.com/processing/processing/issues/5181)\n // t = +- normalize( (q.xy*p.w - p.xy*q.w) * uViewport.zw )\n\n vec2 tangentIn = normalize((qIn.xy*p.w - p.xy*qIn.w) * uViewport.zw);\n vec2 tangentOut = normalize((qOut.xy*p.w - p.xy*qOut.w) * uViewport.zw);\n\n vec2 curPerspScale;\n if(uPerspective == 1) {\n // Perspective ---\n // convert from world to clip by multiplying with projection scaling factor\n // to get the right thickness (see https://github.com/processing/processing/issues/5182)\n\n // The y value of the projection matrix may be flipped if rendering to a Framebuffer.\n // Multiplying again by its sign here negates the flip to get just the scale.\n curPerspScale = (uProjectionMatrix * vec4(1, sign(uProjectionMatrix[1][1]), 0, 0)).xy;\n } else {\n // No Perspective ---\n // multiply by W (to cancel out division by W later in the pipeline) and\n // convert from screen to clip (derived from clip to screen above)\n curPerspScale = p.w / (0.5 * uViewport.zw);\n }\n\n vec2 offset;\n if (vJoin == 1.) {\n vTangent = normalize(tangentIn + tangentOut);\n vec2 normalIn = vec2(-tangentIn.y, tangentIn.x);\n vec2 normalOut = vec2(-tangentOut.y, tangentOut.x);\n float side = sign(aSide);\n float sideEnum = abs(aSide);\n\n // We generate vertices for joins on either side of the centerline, but\n // the \"elbow\" side is the only one needing a join. By not setting the\n // offset for the other side, all its vertices will end up in the same\n // spot and not render, effectively discarding it.\n if (sign(dot(tangentOut, vec2(-tangentIn.y, tangentIn.x))) != side) {\n // Side enums:\n // 1: the side going into the join\n // 2: the middle of the join\n // 3: the side going out of the join\n if (sideEnum == 2.) {\n // Calculate the position + tangent on either side of the join, and\n // find where the lines intersect to find the elbow of the join\n vec2 c = (posp.xy/posp.w + vec2(1.,1.)) * 0.5 * uViewport.zw;\n vec2 intersection = lineIntersection(\n c + (side * normalIn * uStrokeWeight / 2.),\n tangentIn,\n c + (side * normalOut * uStrokeWeight / 2.),\n tangentOut\n );\n offset = (intersection - c);\n\n // When lines are thick and the angle of the join approaches 180, the\n // elbow might be really far from the center. We'll apply a limit to\n // the magnitude to avoid lines going across the whole screen when this\n // happens.\n float mag = length(offset);\n float maxMag = 3. * uStrokeWeight;\n if (mag > maxMag) {\n offset *= maxMag / mag;\n }\n } else if (sideEnum == 1.) {\n offset = side * normalIn * uStrokeWeight / 2.;\n } else if (sideEnum == 3.) {\n offset = side * normalOut * uStrokeWeight / 2.;\n }\n }\n if (uStrokeJoin == STROKE_JOIN_BEVEL) {\n vec2 avgNormal = vec2(-vTangent.y, vTangent.x);\n vMaxDist = abs(dot(avgNormal, normalIn * uStrokeWeight / 2.));\n } else {\n vMaxDist = uStrokeWeight / 2.;\n }\n } else {\n vec2 tangent = aTangentIn == vec3(0.) ? tangentOut : tangentIn;\n vTangent = tangent;\n vec2 normal = vec2(-tangent.y, tangent.x);\n\n float normalOffset = sign(aSide);\n // Caps will have side values of -2 or 2 on the edge of the cap that\n // extends out from the line\n float tangentOffset = abs(aSide) - 1.;\n offset = (normal * normalOffset + tangent * tangentOffset) *\n uStrokeWeight * 0.5;\n vMaxDist = uStrokeWeight / 2.;\n }\n vPosition = vCenter + offset;\n\n gl_Position.xy = p.xy + offset.xy * curPerspScale;\n gl_Position.zw = p.zw;\n \n vColor = (uUseLineColor ? aVertexColor : uMaterialColor);\n}\n",lineFrag:T+"precision mediump int;\n\nuniform vec4 uMaterialColor;\nuniform int uStrokeCap;\nuniform int uStrokeJoin;\nuniform float uStrokeWeight;\n\nIN vec4 vColor;\nIN vec2 vTangent;\nIN vec2 vCenter;\nIN vec2 vPosition;\nIN float vMaxDist;\nIN float vCap;\nIN float vJoin;\n\nfloat distSquared(vec2 a, vec2 b) {\n vec2 aToB = b - a;\n return dot(aToB, aToB);\n}\n\nvoid main() {\n if (vCap > 0.) {\n if (\n uStrokeCap == STROKE_CAP_ROUND &&\n distSquared(vPosition, vCenter) > uStrokeWeight * uStrokeWeight * 0.25\n ) {\n discard;\n } else if (\n uStrokeCap == STROKE_CAP_SQUARE &&\n dot(vPosition - vCenter, vTangent) > 0.\n ) {\n discard;\n }\n // Use full area for PROJECT\n } else if (vJoin > 0.) {\n if (\n uStrokeJoin == STROKE_JOIN_ROUND &&\n distSquared(vPosition, vCenter) > uStrokeWeight * uStrokeWeight * 0.25\n ) {\n discard;\n } else if (uStrokeJoin == STROKE_JOIN_BEVEL) {\n vec2 normal = vec2(-vTangent.y, vTangent.x);\n if (abs(dot(vPosition - vCenter, normal)) > vMaxDist) {\n discard;\n }\n }\n // Use full area for MITER\n }\n OUT_COLOR = vec4(vColor.rgb, 1.) * vColor.a;\n}\n",pointVert:"IN vec3 aPosition;\nuniform float uPointSize;\nOUT float vStrokeWeight;\nuniform mat4 uModelViewMatrix;\nuniform mat4 uProjectionMatrix;\nvoid main() {\n\tvec4 positionVec4 = vec4(aPosition, 1.0);\n\tgl_Position = uProjectionMatrix * uModelViewMatrix * positionVec4;\n\tgl_PointSize = uPointSize;\n\tvStrokeWeight = uPointSize;\n}\n",pointFrag:"precision mediump int;\nuniform vec4 uMaterialColor;\nIN float vStrokeWeight;\n\nvoid main(){\n float mask = 0.0;\n\n // make a circular mask using the gl_PointCoord (goes from 0 - 1 on a point)\n // might be able to get a nicer edge on big strokeweights with smoothstep but slightly less performant\n\n mask = step(0.98, length(gl_PointCoord * 2.0 - 1.0));\n\n // if strokeWeight is 1 or less lets just draw a square\n // this prevents weird artifacting from carving circles when our points are really small\n // if strokeWeight is larger than 1, we just use it as is\n\n mask = mix(0.0, mask, clamp(floor(vStrokeWeight - 0.5),0.0,1.0));\n\n // throw away the borders of the mask\n // otherwise we get weird alpha blending issues\n\n if(mask > 0.98){\n discard;\n }\n\n OUT_COLOR = vec4(uMaterialColor.rgb, 1.) * uMaterialColor.a;\n}\n",imageLightVert:"precision highp float;\nattribute vec3 aPosition;\nattribute vec3 aNormal;\nattribute vec2 aTexCoord;\n\nvarying vec3 localPos;\nvarying vec3 vWorldNormal;\nvarying vec3 vWorldPosition;\nvarying vec2 vTexCoord;\n\nuniform mat4 uModelViewMatrix;\nuniform mat4 uProjectionMatrix;\nuniform mat3 uNormalMatrix;\n\nvoid main() {\n // Multiply the position by the matrix.\n vec4 viewModelPosition = uModelViewMatrix * vec4(aPosition, 1.0);\n gl_Position = uProjectionMatrix * viewModelPosition; \n \n // orient the normals and pass to the fragment shader\n vWorldNormal = uNormalMatrix * aNormal;\n \n // send the view position to the fragment shader\n vWorldPosition = (uModelViewMatrix * vec4(aPosition, 1.0)).xyz;\n \n localPos = vWorldPosition;\n vTexCoord = aTexCoord;\n}\n\n\n/*\nin the vertex shader we'll compute the world position and world oriented normal of the vertices and pass those to the fragment shader as varyings.\n*/\n",imageLightDiffusedFrag:"precision highp float;\nvarying vec3 localPos;\n\n// the HDR cubemap converted (can be from an equirectangular environment map.)\nuniform sampler2D environmentMap;\nvarying vec2 vTexCoord;\n\nconst float PI = 3.14159265359;\n\nvec2 nTOE( vec3 v ){\n // x = r sin(phi) cos(theta) \n // y = r cos(phi) \n // z = r sin(phi) sin(theta)\n float phi = acos( v.y );\n // if phi is 0, then there are no x, z components\n float theta = 0.0;\n // else \n theta = acos(v.x / sin(phi));\n float sinTheta = v.z / sin(phi);\n if (sinTheta < 0.0) {\n // Turn it into -theta, but in the 0-2PI range\n theta = 2.0 * PI - theta;\n }\n theta = theta / (2.0 * 3.14159);\n phi = phi / 3.14159 ;\n \n vec2 angles = vec2( phi, theta );\n return angles;\n}\n\nfloat random(vec2 p) {\n vec3 p3 = fract(vec3(p.xyx) * .1031);\n p3 += dot(p3, p3.yzx + 33.33);\n return fract((p3.x + p3.y) * p3.z);\n}\n\nvoid main()\n{ \t \n\t// the sample direction equals the hemisphere's orientation\n float phi = vTexCoord.x * 2.0 * PI;\n float theta = vTexCoord.y * PI;\n float x = sin(theta) * cos(phi);\n float y = sin(theta) * sin(phi);\n float z = cos(theta);\n vec3 normal = vec3( x, y, z);\n\n\t// Discretely sampling the hemisphere given the integral's\n // spherical coordinates translates to the following fragment code:\n\tvec3 irradiance = vec3(0.0); \n\tvec3 up\t= vec3(0.0, 1.0, 0.0);\n\tvec3 right = normalize(cross(up, normal));\n\tup = normalize(cross(normal, right));\n\n\t// We specify a fixed sampleDelta delta value to traverse\n // the hemisphere; decreasing or increasing the sample delta\n // will increase or decrease the accuracy respectively.\n\tconst float sampleDelta = 0.100;\n\tfloat nrSamples = 0.0;\n float randomOffset = random(gl_FragCoord.xy) * sampleDelta;\n\tfor(float rawPhi = 0.0; rawPhi < 2.0 * PI; rawPhi += sampleDelta)\n\t{\n float phi = rawPhi + randomOffset;\n for(float rawTheta = 0.0; rawTheta < ( 0.5 ) * PI; rawTheta += sampleDelta)\n {\n float theta = rawTheta + randomOffset;\n // spherical to cartesian (in tangent space) // tangent space to world // add each sample result to irradiance\n float x = sin(theta) * cos(phi);\n float y = sin(theta) * sin(phi);\n float z = cos(theta);\n vec3 tangentSample = vec3( x, y, z);\n \n vec3 sampleVec = tangentSample.x * right + tangentSample.y * up + tangentSample.z * normal;\n irradiance += (texture2D(environmentMap, nTOE(sampleVec)).xyz) * cos(theta) * sin(theta);\n nrSamples++;\n }\n\t}\n\t// divide by the total number of samples taken, giving us the average sampled irradiance.\n\tirradiance = PI * irradiance * (1.0 / float(nrSamples )) ;\n \n \n\tgl_FragColor = vec4(irradiance, 1.0);\n}",imageLightSpecularFrag:"precision highp float;\r\nvarying vec3 localPos;\r\nvarying vec2 vTexCoord;\r\n\r\n// our texture\r\nuniform sampler2D environmentMap;\r\nuniform float roughness;\r\n\r\nconst float PI = 3.14159265359;\r\n\r\nfloat VanDerCorput(int bits);\r\nvec2 HammersleyNoBitOps(int i, int N);\r\nvec3 ImportanceSampleGGX(vec2 Xi, vec3 N, float roughness);\r\n\r\n\r\nvec2 nTOE( vec3 v ){\r\n // x = r sin(phi) cos(theta) \r\n // y = r cos(phi) \r\n // z = r sin(phi) sin(theta)\r\n float phi = acos( v.y );\r\n // if phi is 0, then there are no x, z components\r\n float theta = 0.0;\r\n // else \r\n theta = acos(v.x / sin(phi));\r\n float sinTheta = v.z / sin(phi);\r\n if (sinTheta < 0.0) {\r\n // Turn it into -theta, but in the 0-2PI range\r\n theta = 2.0 * PI - theta;\r\n }\r\n theta = theta / (2.0 * 3.14159);\r\n phi = phi / 3.14159 ;\r\n \r\n vec2 angles = vec2( phi, theta );\r\n return angles;\r\n}\r\n\r\n\r\nvoid main(){\r\n const int SAMPLE_COUNT = 400; // 4096\r\n int lowRoughnessLimit = int(pow(2.0,(roughness+0.1)*20.0));\r\n float totalWeight = 0.0;\r\n vec3 prefilteredColor = vec3(0.0);\r\n float phi = vTexCoord.x * 2.0 * PI;\r\n float theta = vTexCoord.y * PI;\r\n float x = sin(theta) * cos(phi);\r\n float y = sin(theta) * sin(phi);\r\n float z = cos(theta);\r\n vec3 N = vec3(x,y,z);\r\n vec3 V = N;\r\n for (int i = 0; i < SAMPLE_COUNT; ++i)\r\n {\r\n // break at smaller sample numbers for low roughness levels\r\n if(i == lowRoughnessLimit)\r\n {\r\n break;\r\n }\r\n vec2 Xi = HammersleyNoBitOps(i, SAMPLE_COUNT);\r\n vec3 H = ImportanceSampleGGX(Xi, N, roughness);\r\n vec3 L = normalize(2.0 * dot(V, H) * H - V);\r\n\r\n float NdotL = max(dot(N, L), 0.0);\r\n if (NdotL > 0.0)\r\n {\r\n prefilteredColor += texture2D(environmentMap, nTOE(L)).xyz * NdotL;\r\n totalWeight += NdotL;\r\n }\r\n }\r\n prefilteredColor = prefilteredColor / totalWeight;\r\n\r\n gl_FragColor = vec4(prefilteredColor, 1.0);\r\n}\r\n\r\nvec3 ImportanceSampleGGX(vec2 Xi, vec3 N, float roughness){\r\n float a = roughness * roughness;\r\n\r\n float phi = 2.0 * PI * Xi.x;\r\n float cosTheta = sqrt((1.0 - Xi.y) / (1.0 + (a * a - 1.0) * Xi.y));\r\n float sinTheta = sqrt(1.0 - cosTheta * cosTheta);\r\n // from spherical coordinates to cartesian coordinates\r\n vec3 H;\r\n H.x = cos(phi) * sinTheta;\r\n H.y = sin(phi) * sinTheta;\r\n H.z = cosTheta;\r\n\r\n // from tangent-space vector to world-space sample vector\r\n vec3 up = abs(N.z) < 0.999 ? vec3(0.0, 0.0, 1.0) : vec3(1.0, 0.0, 0.0);\r\n vec3 tangent = normalize(cross(up, N));\r\n vec3 bitangent = cross(N, tangent);\r\n\r\n vec3 sampleVec = tangent * H.x + bitangent * H.y + N * H.z;\r\n return normalize(sampleVec);\r\n}\r\n\r\n\r\nfloat VanDerCorput(int n, int base)\r\n{\r\n#ifdef WEBGL2\r\n\r\n uint bits = uint(n);\r\n bits = (bits << 16u) | (bits >> 16u);\r\n bits = ((bits & 0x55555555u) << 1u) | ((bits & 0xAAAAAAAAu) >> 1u);\r\n bits = ((bits & 0x33333333u) << 2u) | ((bits & 0xCCCCCCCCu) >> 2u);\r\n bits = ((bits & 0x0F0F0F0Fu) << 4u) | ((bits & 0xF0F0F0F0u) >> 4u);\r\n bits = ((bits & 0x00FF00FFu) << 8u) | ((bits & 0xFF00FF00u) >> 8u);\r\n return float(bits) * 2.3283064365386963e-10; // / 0x100000000\r\n\r\n#else\r\n\r\n float invBase = 1.0 / float(base);\r\n float denom = 1.0;\r\n float result = 0.0;\r\n\r\n\r\n for (int i = 0; i < 32; ++i)\r\n {\r\n if (n > 0)\r\n {\r\n denom = mod(float(n), 2.0);\r\n result += denom * invBase;\r\n invBase = invBase / 2.0;\r\n n = int(float(n) / 2.0);\r\n }\r\n }\r\n\r\n\r\n return result;\r\n\r\n#endif\r\n}\r\n\r\nvec2 HammersleyNoBitOps(int i, int N)\r\n{\r\n return vec2(float(i) / float(N), VanDerCorput(i, 2));\r\n}\r\n"},M=E.sphereMappingFrag;for(x in E)E[x]="#ifdef WEBGL2\n\n#define IN in\n#define OUT out\n\n#ifdef FRAGMENT_SHADER\nout vec4 outColor;\n#define OUT_COLOR outColor\n#endif\n#define TEXTURE texture\n\n#else\n\n#ifdef FRAGMENT_SHADER\n#define IN varying\n#else\n#define IN attribute\n#endif\n#define OUT varying\n#define TEXTURE texture2D\n\n#ifdef FRAGMENT_SHADER\n#define OUT_COLOR gl_FragColor\n#endif\n\n#endif\n"+E[x];j(e={},l.GRAY,"precision highp float;\n\nvarying vec2 vTexCoord;\n\nuniform sampler2D tex0;\n\nfloat luma(vec3 color) {\n // weighted grayscale with luminance values\n return dot(color, vec3(0.2126, 0.7152, 0.0722));\n}\n\nvoid main() {\n vec4 tex = texture2D(tex0, vTexCoord);\n float gray = luma(tex.rgb);\n gl_FragColor = vec4(gray, gray, gray, tex.a);\n}\n"),j(e,l.ERODE,"// Reduces the bright areas in an image\n\nprecision highp float;\n\nvarying vec2 vTexCoord;\n\nuniform sampler2D tex0;\nuniform vec2 texelSize;\n\nfloat luma(vec3 color) {\n // weighted grayscale with luminance values\n // weights 77, 151, 28 taken from src/image/filters.js\n return dot(color, vec3(0.300781, 0.589844, 0.109375));\n}\n\nvoid main() {\n vec4 color = texture2D(tex0, vTexCoord);\n float lum = luma(color.rgb);\n\n // set current color as the darkest neighbor color\n\n vec4 neighbors[4];\n neighbors[0] = texture2D(tex0, vTexCoord + vec2( texelSize.x, 0.0));\n neighbors[1] = texture2D(tex0, vTexCoord + vec2(-texelSize.x, 0.0));\n neighbors[2] = texture2D(tex0, vTexCoord + vec2(0.0, texelSize.y));\n neighbors[3] = texture2D(tex0, vTexCoord + vec2(0.0, -texelSize.y));\n\n for (int i = 0; i < 4; i++) {\n vec4 neighborColor = neighbors[i];\n float neighborLum = luma(neighborColor.rgb);\n\n if (neighborLum < lum) {\n color = neighborColor;\n lum = neighborLum;\n }\n }\n\n gl_FragColor = color;\n}\n"),j(e,l.DILATE,"// Increase the bright areas in an image\n\nprecision highp float;\n\nvarying vec2 vTexCoord;\n\nuniform sampler2D tex0;\nuniform vec2 texelSize;\n\nfloat luma(vec3 color) {\n // weighted grayscale with luminance values\n // weights 77, 151, 28 taken from src/image/filters.js\n return dot(color, vec3(0.300781, 0.589844, 0.109375));\n}\n\nvoid main() {\n vec4 color = texture2D(tex0, vTexCoord);\n float lum = luma(color.rgb);\n\n // set current color as the brightest neighbor color\n\n vec4 neighbors[4];\n neighbors[0] = texture2D(tex0, vTexCoord + vec2( texelSize.x, 0.0));\n neighbors[1] = texture2D(tex0, vTexCoord + vec2(-texelSize.x, 0.0));\n neighbors[2] = texture2D(tex0, vTexCoord + vec2(0.0, texelSize.y));\n neighbors[3] = texture2D(tex0, vTexCoord + vec2(0.0, -texelSize.y));\n\n for (int i = 0; i < 4; i++) {\n vec4 neighborColor = neighbors[i];\n float neighborLum = luma(neighborColor.rgb);\n\n if (neighborLum > lum) {\n color = neighborColor;\n lum = neighborLum;\n }\n }\n\n gl_FragColor = color;\n}\n"),j(e,l.BLUR,"precision highp float;\n\n// Two-pass blur filter, unweighted kernel.\n// See also a similar blur at Adam Ferriss' repo of shader examples:\n// https://github.com/aferriss/p5jsShaderExamples/blob/gh-pages/4_image-effects/4-9_single-pass-blur/effect.frag\n\n\nuniform sampler2D tex0;\nvarying vec2 vTexCoord;\nuniform vec2 direction;\nuniform vec2 canvasSize;\nuniform float radius;\n\nfloat random(vec2 p) {\n vec3 p3 = fract(vec3(p.xyx) * .1031);\n p3 += dot(p3, p3.yzx + 33.33);\n return fract((p3.x + p3.y) * p3.z);\n}\n\n// This isn't a real Gaussian weight, it's a quadratic weight. It's what the\n// CPU mode's blur uses though, so we also use it here to match.\nfloat quadWeight(float x, float e) {\n return pow(e-abs(x), 2.);\n}\n\nvoid main(){\n vec2 uv = vTexCoord;\n\n // A reasonable maximum number of samples\n const float maxSamples = 64.0;\n\n float numSamples = floor(7. * radius);\n if (fract(numSamples / 2.) == 0.) {\n numSamples++;\n }\n vec4 avg = vec4(0.0);\n float total = 0.0;\n\n // Calculate the spacing to avoid skewing if numSamples > maxSamples\n float spacing = 1.0;\n if (numSamples > maxSamples) {\n spacing = numSamples / maxSamples;\n numSamples = maxSamples;\n }\n\n float randomOffset = (spacing - 1.0) * mix(-0.5, 0.5, random(gl_FragCoord.xy));\n for (float i = 0.0; i < maxSamples; i++) {\n if (i >= numSamples) break;\n\n float sample = i * spacing - (numSamples - 1.0) * 0.5 * spacing + randomOffset;\n vec2 sampleCoord = uv + vec2(sample, sample) / canvasSize * direction;\n float weight = quadWeight(sample, (numSamples - 1.0) * 0.5 * spacing);\n\n avg += weight * texture2D(tex0, sampleCoord);\n total += weight;\n }\n\n avg /= total;\n gl_FragColor = avg;\n}\n"),j(e,l.POSTERIZE,"// Limit color space for a stylized cartoon / poster effect\n\nprecision highp float;\n\nvarying vec2 vTexCoord;\n\nuniform sampler2D tex0;\nuniform float filterParameter;\n\nvec3 quantize(vec3 color, float n) {\n // restrict values to N options/bins\n // and floor each channel to nearest value\n //\n // eg. when N = 5, values = 0.0, 0.25, 0.50, 0.75, 1.0\n // then quantize (0.1, 0.7, 0.9) -> (0.0, 0.5, 1.0)\n\n color = color * n;\n color = floor(color);\n color = color / (n - 1.0);\n return color;\n}\n\nvoid main() {\n vec4 color = texture2D(tex0, vTexCoord);\n\n vec3 restrictedColor = quantize(color.rgb / color.a, filterParameter);\n\n gl_FragColor = vec4(restrictedColor.rgb * color.a, color.a);\n}\n"),j(e,l.OPAQUE,"// Set alpha channel to entirely opaque\n\nprecision highp float;\n\nvarying vec2 vTexCoord;\n\nuniform sampler2D tex0;\n\nvoid main() {\n vec4 color = texture2D(tex0, vTexCoord);\n gl_FragColor = vec4(color.rgb / color.a, 1.0);\n}\n"),j(e,l.INVERT,"// Set each pixel to inverse value\n// Note that original INVERT does not change the opacity, so this follows suit\n\nprecision highp float;\n\nvarying vec2 vTexCoord;\n\nuniform sampler2D tex0;\n\nvoid main() {\nvec4 color = texture2D(tex0, vTexCoord);\nvec3 origColor = color.rgb / color.a;\nvec3 invertedColor = vec3(1.0) - origColor;\ngl_FragColor = vec4(invertedColor * color.a, color.a);\n}\n"),j(e,l.THRESHOLD,"// Convert pixels to either white or black, \n// depending on if their luma is above or below filterParameter\n\nprecision highp float;\n\nvarying vec2 vTexCoord;\n\nuniform sampler2D tex0;\nuniform float filterParameter;\n\nfloat luma(vec3 color) {\n // weighted grayscale with luminance values\n return dot(color, vec3(0.2126, 0.7152, 0.0722));\n}\n\nvoid main() {\n vec4 color = texture2D(tex0, vTexCoord);\n float gray = luma(color.rgb / color.a);\n // floor() used to match src/image/filters.js\n float threshold = floor(filterParameter * 255.0) / 255.0;\n float blackOrWhite = step(threshold, gray);\n gl_FragColor = vec4(vec3(blackOrWhite) * color.a, color.a);\n}\n");var k=e;function O(e,t,r,o,n,s,i,a,l,u){var c=t.getParameter(t.FRAMEBUFFER_BINDING),r=(t.bindFramebuffer(t.FRAMEBUFFER,r),a===t.RGBA?4:3),d=s*i*r,h=l===t.UNSIGNED_BYTE?Uint8Array:Float32Array;if(e instanceof h&&e.length===d||(e=new h(d)),t.readPixels(o,u?u-n-i:n,s,i,a,l,e),t.bindFramebuffer(t.FRAMEBUFFER,c),u)for(var f=Math.floor(i/2),p=new h(s*r),m=0;m>7,127&d,c>>7,127&c);for(var h=0;h>7,127&f,0,0)}}return{cellImageInfo:a,dimOffset:t,dimImageInfo:n}}}}]),t}();B.default.RendererGL.prototype._renderText=function(e,t,r,o,n){if(this._textFont&&"string"!=typeof this._textFont){if(!(n<=o)&&this._doFill){if(this._isOpenType()){e.push();var n=this._doStroke,s=this.drawMode,i=(this._doStroke=!1,this.drawMode=E.TEXTURE,this._textFont.font),a=(a=this._textFont._fontInfo)||(this._textFont._fontInfo=new M(i)),r=this._textFont._handleAlignment(this,t,r,o),o=this._textSize/i.unitsPerEm,l=(this.translate(r.x,r.y,0),this.scale(o,o,1),this.GL),r=!this._defaultFontShader,u=this._getFontShader(),c=(u.init(),u.bindShader(),r&&(u.setUniform("uGridImageSize",[64,64]),u.setUniform("uCellsImageSize",[64,64]),u.setUniform("uStrokeImageSize",[64,64]),u.setUniform("uGridSize",[9,9])),this._applyColorBlend(this.curFillColor),this.retainedMode.geometry.glyph),d=(c||((o=this._textGeom=new B.default.Geometry(1,1,function(){for(var e=0;e<=1;e++)for(var t=0;t<=1;t++)this.vertices.push(new B.default.Vector(t,e,0)),this.uvs.push(t,e)})).computeFaces().computeNormals(),c=this.createBuffers("glyph",o)),!0),r=!1,o=void 0;try{for(var h,f=this.retainedMode.buffers.text[Symbol.iterator]();!(d=(h=f.next()).done);d=!0)h.value._prepareBuffer(c,u)}catch(e){r=!0,o=e}finally{try{d||null==f.return||f.return()}finally{if(r)throw o}}this._bindBuffer(c.indexBuffer,l.ELEMENT_ARRAY_BUFFER),u.setUniform("uMaterialColor",this.curFillColor),l.pixelStorei(l.UNPACK_PREMULTIPLY_ALPHA_WEBGL,!1);try{var p=0,m=null,y=i.stringToGlyphs(t),g=!0,v=!1,b=void 0;try{for(var j,_=y[Symbol.iterator]();!(g=(j=_.next()).done);g=!0){var x,w,S=j.value,T=(m&&(p+=i.getKerningValue(m,S)),a.getGlyphInfo(S));T.uGlyphRect&&(x=T.rowInfo,w=T.colInfo,u.setUniform("uSamplerStrokes",T.strokeImageInfo.imageData),u.setUniform("uSamplerRowStrokes",x.cellImageInfo.imageData),u.setUniform("uSamplerRows",x.dimImageInfo.imageData),u.setUniform("uSamplerColStrokes",w.cellImageInfo.imageData),u.setUniform("uSamplerCols",w.dimImageInfo.imageData),u.setUniform("uGridOffset",T.uGridOffset),u.setUniform("uGlyphRect",T.uGlyphRect),u.setUniform("uGlyphOffset",p),u.bindTextures(),l.drawElements(l.TRIANGLES,6,this.GL.UNSIGNED_SHORT,0)),p+=S.advanceWidth,m=S}}catch(e){v=!0,b=e}finally{try{g||null==_.return||_.return()}finally{if(v)throw b}}}finally{u.unbindShader(),this._doStroke=n,this.drawMode=s,l.pixelStorei(l.UNPACK_PREMULTIPLY_ALPHA_WEBGL,!0),e.pop()}}else console.log("WEBGL: only Opentype (.otf) and Truetype (.ttf) fonts are supported");return e}}else console.log("WEBGL: you must load and set a font before drawing text. See `loadFont` and `textFont` for more details.")}},{"../core/constants":272,"../core/main":283,"./p5.RendererGL.Retained":340,"./p5.Shader":342,"core-js/modules/es.array.iterator":165,"core-js/modules/es.object.get-own-property-descriptor":186,"core-js/modules/es.object.to-string":190,"core-js/modules/es.regexp.exec":195,"core-js/modules/es.string.iterator":200,"core-js/modules/es.string.split":206,"core-js/modules/es.string.sub":208,"core-js/modules/es.symbol":212,"core-js/modules/es.symbol.description":210,"core-js/modules/es.symbol.iterator":211,"core-js/modules/es.weak-map":244,"core-js/modules/web.dom-collections.iterator":246}]},{},[267])(267)}); \ No newline at end of file diff --git a/examples/instance-mode/04-loop-pixels-read-only/sketch.js b/examples/instance-mode/04-loop-pixels-read-only/sketch.js index dd83db8..cfff34b 100644 --- a/examples/instance-mode/04-loop-pixels-read-only/sketch.js +++ b/examples/instance-mode/04-loop-pixels-read-only/sketch.js @@ -18,6 +18,9 @@ const reusableSketch = (sketch) => { // read-only mode // ... }, false); // <-- shouldUpdate = false + + sketch.textSize(28); + sketch.text('instance 1: read-only mode', 14, 36); } sketch.drawArtwork = () => { @@ -25,8 +28,6 @@ const reusableSketch = (sketch) => { sketch.noStroke(); sketch.fill(100, 100, 240); sketch.circle(sketch.width/2, sketch.height/2, sketch.min(sketch.width, sketch.height)/2); - sketch.textSize(28); - sketch.text('read-only mode', 14, 36); } sketch.windowResized = () => { @@ -62,6 +63,9 @@ let myp5_2 = new p5((sketch) => { // draw the graphics buffer to the sketch's canvas sketch.image(pg, sketch.width/2-70, sketch.height/2-70); + + sketch.textSize(28); + sketch.text('instance 2:', 14, 36); } sketch.windowResized = () => { diff --git a/examples/pixel-manipulation/01-monochromatic-grain/lib/p5.grain.min.js b/examples/pixel-manipulation/01-monochromatic-grain/lib/p5.grain.min.js index 5f132fa..bdb8a1b 100644 --- a/examples/pixel-manipulation/01-monochromatic-grain/lib/p5.grain.min.js +++ b/examples/pixel-manipulation/01-monochromatic-grain/lib/p5.grain.min.js @@ -1,8 +1,8 @@ /**! * p5.grain * - * @version 0.7.0 + * @version 0.8.0 * @license MIT * @copyright meezwhite, Gorilla Sun */ -class P5Grain{version="0.7.0";instance;#t;#i;#n;constructor(){this.#t=Math.random,this.#i={frameCount:0},this.#n={frameCount:0,tX_anchor:0,tX:0,tY:0}}setup(t){void 0===t?this.#t=random:"object"==typeof t&&("function"==typeof t.random&&(this.#t=t.random),"object"==typeof t.instance&&(this.instance=t.instance))}granulateSimple(t,i,n){this.applyMonochromaticGrain(t,i,n)}applyMonochromaticGrain(t,i,n){const e=this.instance?this.instance.round(t):round(t),a=i||!1;n?n.loadPixels():this.instance?this.instance.loadPixels():loadPixels();const s=n?n.pixelDensity():this.instance?this.instance.pixelDensity():pixelDensity(),r=(n?n.width:this.instance?this.instance.width:width)*s*4*((n?n.height:this.instance?this.instance.height:height)*s),h=n?n.pixels:this.instance?this.instance.pixels:pixels;for(let t=0;t=n){const n=i&&i.amount?this.instance?this.instance.round(i.amount):round(i.amount):this.instance?this.instance.min(this.instance.width,this.instance.height):min(width,height),e=this.#t()*n,a=this.#t()*n,s=this.instance?this.instance.floor(e):floor(e),r=this.instance?this.instance.floor(a):floor(a),h=`${s}px ${r}px`;t instanceof HTMLElement?t.style.backgroundPosition=h:t instanceof SVGElement?(t.style.top=-r+"px",t.style.left=-s+"px"):t instanceof p5.Element&&t.style("background-position",h),this.#i.frameCount=0}}textureOverlay(t,i,n){const e=n instanceof p5.Graphics,a=e?n.width:this.instance?this.instance.width:width,s=e?n.height:this.instance?this.instance.height:height,r=i&&i.mode?i.mode:this.instance?this.instance.MULTIPLY:MULTIPLY,h=!(!i||!i.reflect)&&i.reflect,o=!(!i||!i.animate)&&i.animate,c=i&&i.animate&&i.animate.atFrame?this.instance?this.instance.round(i.animate.atFrame):round(i.animate.atFrame):2,l=i&&i.animate&&i.animate.amount?this.instance?this.instance.round(i.animate.amount):round(i.animate.amount):this.instance?this.instance.min(a,s):min(a,s),p=i&&"number"==typeof i.width?i.width:t.width,u=i&&"number"==typeof i.height?i.height:t.height;if(o&&(this.#n.frameCount+=1,this.#n.frameCount>=c)){const t=this.#t()*l,i=this.#t()*l;this.#n.tX_anchor=this.instance?-this.instance.floor(t):-floor(t),this.#n.tY=this.instance?-this.instance.floor(i):-floor(i),this.#n.frameCount=0}let m=this.#n.tX_anchor,d=this.#n.tY,x=!0,g=!0;for(n?n.blendMode(r):this.instance?this.instance.blendMode(r):blendMode(r);d=a){g=!0,m=this.#n.tX_anchor,d+=u;break}g=!g}x=!x}n?n.blendMode(this.instance?this.instance.BLEND:BLEND):this.instance?this.instance.blendMode(this.instance.BLEND):blendMode(BLEND),e&&n.reset()}#e(t,i){return t=Math.ceil(t),i=Math.floor(i),Math.floor(this.#t()*(i-t+1)+t)}}const p5grain=new P5Grain;p5.prototype.granulateSimple=function(t,i){return p5grain.granulateSimple(t,i)},p5.Graphics.prototype.granulateSimple=function(t,i){return p5grain.granulateSimple(t,i,this)},p5.prototype.granulateChannels=function(t,i){return p5grain.granulateChannels(t,i)},p5.Graphics.prototype.granulateChannels=function(t,i){return p5grain.granulateChannels(t,i,this)},p5.prototype.applyMonochromaticGrain=function(t,i){return p5grain.applyMonochromaticGrain(t,i)},p5.Graphics.prototype.applyMonochromaticGrain=function(t,i){return p5grain.applyMonochromaticGrain(t,i,this)},p5.prototype.applyChromaticGrain=function(t,i){return p5grain.applyChromaticGrain(t,i)},p5.Graphics.prototype.applyChromaticGrain=function(t,i){return p5grain.applyChromaticGrain(t,i,this)},p5.prototype.tinkerPixels=function(t,i){return p5grain.tinkerPixels(t,i)},p5.Graphics.prototype.tinkerPixels=function(t,i){return p5grain.tinkerPixels(t,i,this)},p5.prototype.loopPixels=function(t,i){return p5grain.loopPixels(t,i)},p5.Graphics.prototype.loopPixels=function(t,i){return p5grain.loopPixels(t,i,this)},p5.prototype.textureAnimate=function(t,i){return p5grain.textureAnimate(t,i)},p5.prototype.textureOverlay=function(t,i){return p5grain.textureOverlay(t,i)},p5.Graphics.prototype.textureOverlay=function(t,i){return p5grain.textureOverlay(t,i,this)}; +class P5Grain{version="0.8.0";instance;#t;#i;#e;#n;#a;constructor(){this.#s("float"),this.#n={frameCount:0},this.#a={frameCount:0,tX_anchor:0,tX:0,tY:0}}setup(t){"object"==typeof t&&("function"==typeof t.random&&(this.#t=t.random),"string"==typeof t.randomMode&&this.#s(t.randomMode),"object"==typeof t.instance&&(this.instance=t.instance)),void 0===this.#t&&(this.#t=p5.prototype.random)}applyMonochromaticGrain(t,i,e){const n=i||!1;let a,s,r,o;e?(e.loadPixels(),a=e.pixelDensity(),s=e.width,r=e.height,o=e.pixels):this.instance?(this.instance.loadPixels(),a=this.instance.pixelDensity(),s=this.instance.width,r=this.instance.height,o=this.instance.pixels):(loadPixels(),a=pixelDensity(),s=width,r=height,o=pixels);const h=s*a*4*(r*a),{min:p,max:c}=this.#r(-t,t);for(let t=0;t=e){const e=i&&i.amount?Math.round(i.amount):this.instance?Math.min(this.instance.width,this.instance.height):Math.min(width,height),n=this.#t()*e,a=this.#t()*e,s=Math.floor(n),r=Math.floor(a),o=`${s}px ${r}px`;t instanceof HTMLElement?t.style.backgroundPosition=o:t instanceof SVGElement?(t.style.top=-r+"px",t.style.left=-s+"px"):t instanceof p5.Element&&t.style("background-position",o),this.#n.frameCount=0}}textureOverlay(t,i,e){const n=e instanceof p5.Graphics;let a,s;n?(a=e.width,s=e.height):this.instance?(a=this.instance.width,s=this.instance.height):(a=width,s=height);const r=i&&i.mode?i.mode:this.instance?this.instance.MULTIPLY:MULTIPLY,o=!(!i||!i.reflect)&&i.reflect,h=!(!i||!i.animate)&&i.animate,p=i&&i.animate&&i.animate.atFrame?Math.round(i.animate.atFrame):2,c=i&&i.animate&&i.animate.amount?Math.round(i.animate.amount):Math.min(a,s),l=i&&"number"==typeof i.width?i.width:t.width,m=i&&"number"==typeof i.height?i.height:t.height;if(h&&(this.#a.frameCount+=1,this.#a.frameCount>=p)){const t=this.#t()*c,i=this.#t()*c;this.#a.tX_anchor=-Math.floor(t),this.#a.tY=-Math.floor(i),this.#a.frameCount=0}let d=this.#a.tX_anchor,u=this.#a.tY,x=!0,y=!0;for(e?e.blendMode(r):this.instance?this.instance.blendMode(r):blendMode(r);u=a){y=!0,d=this.#a.tX_anchor,u+=m;break}y=!y}x=!x}e?e.blendMode(this.instance?this.instance.BLEND:BLEND):this.instance?this.instance.blendMode(this.instance.BLEND):blendMode(BLEND),n&&e.reset()}#s(t){switch(t){case"int":this.#e=1,this.#i=this.#o;break;case"float":this.#e=0,this.#i=this.#h}}#r(t,i){return 1==this.#e?{min:Math.ceil(t),max:Math.floor(i)}:{min:t,max:i}}#o(t,i){return Math.floor(this.#t()*(i-t+1)+t)}#h(t,i){return this.#t()*(i-t)+t}}const p5grain=new P5Grain;p5.prototype.applyMonochromaticGrain=function(t,i){return p5grain.applyMonochromaticGrain(t,i)},p5.Graphics.prototype.applyMonochromaticGrain=function(t,i){return p5grain.applyMonochromaticGrain(t,i,this)},p5.Image.prototype.applyMonochromaticGrain=function(t,i){return p5grain.applyMonochromaticGrain(t,i,this)},p5.prototype.applyChromaticGrain=function(t,i){return p5grain.applyChromaticGrain(t,i)},p5.Graphics.prototype.applyChromaticGrain=function(t,i){return p5grain.applyChromaticGrain(t,i,this)},p5.Image.prototype.applyChromaticGrain=function(t,i){return p5grain.applyChromaticGrain(t,i,this)},p5.prototype.tinkerPixels=function(t,i){return p5grain.tinkerPixels(t,i)},p5.Graphics.prototype.tinkerPixels=function(t,i){return p5grain.tinkerPixels(t,i,this)},p5.Image.prototype.tinkerPixels=function(t,i){return p5grain.tinkerPixels(t,i,this)},p5.prototype.loopPixels=function(t,i){return p5grain.loopPixels(t,i)},p5.Graphics.prototype.loopPixels=function(t,i){return p5grain.loopPixels(t,i,this)},p5.Image.prototype.loopPixels=function(t,i){return p5grain.loopPixels(t,i,this)},p5.prototype.textureAnimate=function(t,i){return p5grain.textureAnimate(t,i)},p5.prototype.textureOverlay=function(t,i){return p5grain.textureOverlay(t,i)},p5.Graphics.prototype.textureOverlay=function(t,i){return p5grain.textureOverlay(t,i,this)}; diff --git 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                                      Grid Output

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e=this.canvas.id;JSON.stringify(this.ingredients.shapes)!==this.ingredients.pShapes&&(this.ingredients.pShapes=JSON.stringify(this.ingredients.shapes),this._accessibleOutputs.text&&this._updateTextOutput(e+"textOutput"),this._accessibleOutputs.grid&&this._updateGridOutput(e+"gridOutput"),this._accessibleOutputs.textLabel&&this._updateTextOutput(e+"textOutputLabel"),this._accessibleOutputs.gridLabel&&this._updateGridOutput(e+"gridOutputLabel"))},o.default.prototype._accsBackground=function(e){this.ingredients.pShapes=JSON.stringify(this.ingredients.shapes),this.ingredients.shapes={},this.ingredients.colors.backgroundRGBA!==e&&(this.ingredients.colors.backgroundRGBA=e,this.ingredients.colors.background=this._rgbColorName(e))},o.default.prototype._accsCanvasColors=function(e,t){"fill"===e?this.ingredients.colors.fillRGBA!==t&&(this.ingredients.colors.fillRGBA=t,this.ingredients.colors.fill=this._rgbColorName(t)):"stroke"===e&&this.ingredients.colors.strokeRGBA!==t&&(this.ingredients.colors.strokeRGBA=t,this.ingredients.colors.stroke=this._rgbColorName(t))},o.default.prototype._accsOutput=function(e,t){"ellipse"===e&&t[2]===t[3]?e="circle":"rectangle"===e&&t[2]===t[3]&&(e="square");var r,o,n={},s=!0,i=function(e,t){var r;e="rectangle"===e||"ellipse"===e||"arc"===e||"circle"===e||"square"===e?(r=Math.round(t[0]+t[2]/2),Math.round(t[1]+t[3]/2)):"triangle"===e?(r=(t[0]+t[2]+t[4])/3,(t[1]+t[3]+t[5])/3):"quadrilateral"===e?(r=(t[0]+t[2]+t[4]+t[6])/4,(t[1]+t[3]+t[5]+t[7])/4):"line"===e?(r=(t[0]+t[2])/2,(t[1]+t[3])/2):(r=t[0],t[1]);return[r,e]}(e,t);if("line"===e?(n.color=this.ingredients.colors.stroke,n.length=Math.round(this.dist(t[0],t[1],t[2],t[3])),r=this._getPos(t[0],[1]),o=this._getPos(t[2],[3]),n.loc=u(i,this.width,this.height),n.pos=r===o?"at ".concat(r):"from ".concat(r," to ").concat(o)):("point"===e?n.color=this.ingredients.colors.stroke:(n.color=this.ingredients.colors.fill,n.area=this._getArea(e,t)),n.pos=this._getPos.apply(this,l(i)),n.loc=u(i,this.width,this.height)),this.ingredients.shapes[e]){if(this.ingredients.shapes[e]!==[n]){for(var a in this.ingredients.shapes[e])JSON.stringify(this.ingredients.shapes[e][a])===JSON.stringify(n)&&(s=!1);!0===s&&this.ingredients.shapes[e].push(n)}}else this.ingredients.shapes[e]=[n]},o.default.prototype._getPos=function(e,t){var e=new DOMPointReadOnly(e,t),t=this._renderer.isP3D?new DOMMatrix(this._renderer.uMVMatrix.mat4):this.drawingContext.getTransform(),e=e.matrixTransform(t),t=e.x,e=e.y,r=this.width,o=this.height;return t<.4*r?e<.4*o?"top left":.6*oMath.PI?n+=o:n-=o)):"ellipse"===e||"circle"===e?n=3.14*t[2]/2*t[3]/2:"line"===e||"point"===e?n=0:"quadrilateral"===e?n=Math.abs((t[6]+t[0])*(t[7]-t[1])+(t[0]+t[2])*(t[1]-t[3])+(t[2]+t[4])*(t[3]-t[5])+(t[4]+t[6])*(t[5]-t[7]))/2:"rectangle"===e||"square"===e?n=t[2]*t[3]:"triangle"===e&&(n=Math.abs(t[0]*(t[3]-t[5])+t[2]*(t[5]-t[1])+t[4]*(t[1]-t[3]))/2),this.width*this._pixelDensity),i=this.height*this._pixelDensity,a=[new DOMPoint(0,0),new DOMPoint(s,0),new DOMPoint(s,i),new DOMPoint(0,i)],l=(this._renderer.isP3D?new DOMMatrix(this._renderer.uMVMatrix.mat4):this.drawingContext.getTransform()).inverse(),u=a.map(function(e){return e.matrixTransform(l)}),c=Math.abs((u[3].x+u[0].x)*(u[3].y-u[0].y)+(u[0].x+u[1].x)*(u[0].y-u[1].y)+(u[1].x+u[2].x)*(u[1].y-u[2].y)+(u[2].x+u[3].x)*(u[2].y-u[3].y))/2;return Math.round(100*n/c)};e=o.default;r.default=e},{"../core/main":275,"core-js/modules/es.array.concat":151,"core-js/modules/es.array.fill":154,"core-js/modules/es.array.from":158,"core-js/modules/es.array.iterator":161,"core-js/modules/es.array.map":164,"core-js/modules/es.number.to-fixed":175,"core-js/modules/es.object.to-string":182,"core-js/modules/es.regexp.to-string":188,"core-js/modules/es.string.iterator":192,"core-js/modules/es.symbol":204,"core-js/modules/es.symbol.description":202,"core-js/modules/es.symbol.iterator":203,"core-js/modules/web.dom-collections.iterator":238}],258:[function(e,t,r){"use strict";e("core-js/modules/es.array.concat"),e("core-js/modules/es.array.concat"),Object.defineProperty(r,"__esModule",{value:!0}),r.default=void 0;e=(e=e("../core/main"))&&e.__esModule?e:{default:e};e.default.prototype._updateTextOutput=function(e){var t,r,o,n;this.dummyDOM.querySelector("#".concat(e,"_summary"))&&(t=this._accessibleOutputs[e],o=function(e,t,r,o){r="Your output is a, ".concat(r," by ").concat(o," pixels, ").concat(t," canvas containing the following");r=1===e?"".concat(r," shape:"):"".concat(r," ").concat(e," shapes:");return r}((r=function(e,t){var r,o="",n=0;for(r in t)for(var s in t[r]){var i='
                                      • ').concat(t[r][s].color," ").concat(r,"");"line"===r?i+=", ".concat(t[r][s].pos,", ").concat(t[r][s].length," pixels long.
                                        • "):(i+=", at ".concat(t[r][s].pos),"point"!==r&&(i+=", covering ".concat(t[r][s].area,"% of the canvas")),i+="."),o+=i,n++}return{numShapes:n,listShapes:o}}(e,this.ingredients.shapes)).numShapes,this.ingredients.colors.background,this.width,this.height),n=function(e,t){var r,o="",n=0;for(r in t)for(var s in t[r]){var i='').concat(t[r][s].color," ").concat(r,"");"line"===r?i+="location = ".concat(t[r][s].pos,"length = ").concat(t[r][s].length," pixels"):(i+="location = ".concat(t[r][s].pos,""),"point"!==r&&(i+=" area = ".concat(t[r][s].area,"%")),i+=""),o+=i,n++}return o}(e,this.ingredients.shapes),o!==t.summary.innerHTML&&(t.summary.innerHTML=o),r.listShapes!==t.list.innerHTML&&(t.list.innerHTML=r.listShapes),n!==t.shapeDetails.innerHTML&&(t.shapeDetails.innerHTML=n),this._accessibleOutputs[e]=t)};e=e.default;r.default=e},{"../core/main":275,"core-js/modules/es.array.concat":151}],259:[function(e,t,r){"use strict";var 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curve (after t1)?\n if (y1 ? !y2 : y0) {\n // add the coverage for t1\n coverage.x += saturate(C1.x + 0.5);\n // calculate the anti-aliasing for t1\n weight.x = min(weight.x, abs(C1.x));\n }\n\n // are we outside the curve (after t2)?\n if (y1 ? !y0 : y2) {\n // subtract the coverage for t2\n coverage.x -= saturate(C2.x + 0.5);\n // calculate the anti-aliasing for t2\n weight.x = min(weight.x, abs(C2.x));\n }\n}\n\n// this is essentially the same as coverageX, but with the axes swapped\nvoid coverageY(vec2 p0, vec2 p1, vec2 p2) {\n\n vec2 C1, C2;\n calulateCrossings(p0, p1, p2, C1, C2);\n\n bool x0 = p0.x > vTexCoord.x;\n bool x1 = p1.x > vTexCoord.x;\n bool x2 = p2.x > vTexCoord.x;\n\n if (x1 ? !x2 : x0) {\n coverage.y -= saturate(C1.y + 0.5);\n weight.y = min(weight.y, abs(C1.y));\n }\n\n if (x1 ? !x0 : x2) {\n coverage.y += saturate(C2.y + 0.5);\n weight.y = min(weight.y, abs(C2.y));\n }\n}\n\nvoid main() {\n\n // calculate the pixel scale based on screen-coordinates\n pixelScale = hardness / fwidth(vTexCoord);\n\n // which grid cell is this pixel in?\n ivec2 gridCoord = ifloor(vTexCoord * vec2(uGridSize));\n\n // intersect curves in this row\n {\n // the index into the row info bitmap\n int rowIndex = gridCoord.y + uGridOffset.y;\n // fetch the info texel\n vec4 rowInfo = getTexel(uSamplerRows, rowIndex, uGridImageSize);\n // unpack the rowInfo\n int rowStrokeIndex = getInt16(rowInfo.xy);\n int rowStrokeCount = getInt16(rowInfo.zw);\n\n for (int iRowStroke = INT(0); iRowStroke < N; iRowStroke++) {\n if (iRowStroke >= rowStrokeCount)\n break;\n\n // each stroke is made up of 3 points: the start and control point\n // and the start of the next curve.\n // fetch the indices of this pair of strokes:\n vec4 strokeIndices = getTexel(uSamplerRowStrokes, rowStrokeIndex++, uCellsImageSize);\n\n // unpack the stroke index\n int strokePos = getInt16(strokeIndices.xy);\n\n // fetch the two strokes\n vec4 stroke0 = getTexel(uSamplerStrokes, strokePos + INT(0), uStrokeImageSize);\n vec4 stroke1 = getTexel(uSamplerStrokes, strokePos + INT(1), uStrokeImageSize);\n\n // calculate the coverage\n coverageX(stroke0.xy, stroke0.zw, stroke1.xy);\n }\n }\n\n // intersect curves in this column\n {\n int colIndex = gridCoord.x + uGridOffset.x;\n vec4 colInfo = getTexel(uSamplerCols, colIndex, uGridImageSize);\n int colStrokeIndex = getInt16(colInfo.xy);\n int colStrokeCount = getInt16(colInfo.zw);\n \n for (int iColStroke = INT(0); iColStroke < N; iColStroke++) {\n if (iColStroke >= colStrokeCount)\n break;\n\n vec4 strokeIndices = getTexel(uSamplerColStrokes, colStrokeIndex++, uCellsImageSize);\n\n int strokePos = getInt16(strokeIndices.xy);\n vec4 stroke0 = getTexel(uSamplerStrokes, strokePos + INT(0), uStrokeImageSize);\n vec4 stroke1 = getTexel(uSamplerStrokes, strokePos + INT(1), uStrokeImageSize);\n coverageY(stroke0.xy, stroke0.zw, stroke1.xy);\n }\n }\n\n weight = saturate(1.0 - weight * 2.0);\n float distance = max(weight.x + weight.y, minDistance); // manhattan approx.\n float antialias = abs(dot(coverage, weight) / distance);\n float cover = min(abs(coverage.x), abs(coverage.y));\n OUT_COLOR = vec4(uMaterialColor.rgb, 1.) * uMaterialColor.a;\n OUT_COLOR *= saturate(max(antialias, cover));\n}\n",lineVert:T+"/*\n Part of the Processing project - http://processing.org\n Copyright (c) 2012-15 The Processing Foundation\n Copyright (c) 2004-12 Ben Fry and Casey Reas\n Copyright (c) 2001-04 Massachusetts Institute of Technology\n This library is free software; you can redistribute it and/or\n modify it under the terms of the GNU Lesser General Public\n License as published by the Free Software Foundation, version 2.1.\n This library is distributed in the hope that it will be useful,\n but WITHOUT ANY WARRANTY; without even the implied warranty of\n MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU\n Lesser General Public License for more details.\n You should have received a copy of the GNU Lesser General\n Public License along with this library; if not, write to the\n Free Software Foundation, Inc., 59 Temple Place, Suite 330,\n Boston, MA 02111-1307 USA\n*/\n\n#define PROCESSING_LINE_SHADER\n\nprecision mediump int;\n\nuniform mat4 uModelViewMatrix;\nuniform mat4 uProjectionMatrix;\nuniform float uStrokeWeight;\n\nuniform bool uUseLineColor;\nuniform vec4 uMaterialColor;\n\nuniform vec4 uViewport;\nuniform int uPerspective;\nuniform int uStrokeJoin;\n\nIN vec4 aPosition;\nIN vec3 aTangentIn;\nIN vec3 aTangentOut;\nIN float aSide;\nIN vec4 aVertexColor;\n\nOUT vec4 vColor;\nOUT vec2 vTangent;\nOUT vec2 vCenter;\nOUT vec2 vPosition;\nOUT float vMaxDist;\nOUT float vCap;\nOUT float vJoin;\n\nvec2 lineIntersection(vec2 aPoint, vec2 aDir, vec2 bPoint, vec2 bDir) {\n // Rotate and translate so a starts at the origin and goes out to the right\n bPoint -= aPoint;\n vec2 rotatedBFrom = vec2(\n bPoint.x*aDir.x + bPoint.y*aDir.y,\n bPoint.y*aDir.x - bPoint.x*aDir.y\n );\n vec2 bTo = bPoint + bDir;\n vec2 rotatedBTo = vec2(\n bTo.x*aDir.x + bTo.y*aDir.y,\n bTo.y*aDir.x - bTo.x*aDir.y\n );\n float intersectionDistance =\n rotatedBTo.x + (rotatedBFrom.x - rotatedBTo.x) * rotatedBTo.y /\n (rotatedBTo.y - rotatedBFrom.y);\n return aPoint + aDir * intersectionDistance;\n}\n\nvoid main() {\n // Caps have one of either the in or out tangent set to 0\n vCap = (aTangentIn == vec3(0.)) != (aTangentOut == (vec3(0.)))\n ? 1. : 0.;\n\n // Joins have two unique, defined tangents\n vJoin = (\n aTangentIn != vec3(0.) &&\n aTangentOut != vec3(0.) &&\n aTangentIn != aTangentOut\n ) ? 1. : 0.;\n\n vec4 posp = uModelViewMatrix * aPosition;\n vec4 posqIn = uModelViewMatrix * (aPosition + vec4(aTangentIn, 0));\n vec4 posqOut = uModelViewMatrix * (aPosition + vec4(aTangentOut, 0));\n\n float facingCamera = pow(\n // The word space tangent's z value is 0 if it's facing the camera\n abs(normalize(posqIn-posp).z),\n\n // Using pow() here to ramp `facingCamera` up from 0 to 1 really quickly\n // so most lines get scaled and don't get clipped\n 0.25\n );\n\n // using a scale <1 moves the lines towards the camera\n // in order to prevent popping effects due to half of\n // the line disappearing behind the geometry faces.\n float scale = mix(1., 0.995, facingCamera);\n\n // Moving vertices slightly toward the camera\n // to avoid depth-fighting with the fill triangles.\n // Discussed here:\n // http://www.opengl.org/discussion_boards/ubbthreads.php?ubb=showflat&Number=252848 \n posp.xyz = posp.xyz * scale;\n posqIn.xyz = posqIn.xyz * scale;\n posqOut.xyz = posqOut.xyz * scale;\n\n vec4 p = uProjectionMatrix * posp;\n vec4 qIn = uProjectionMatrix * posqIn;\n vec4 qOut = uProjectionMatrix * posqOut;\n vCenter = p.xy;\n\n // formula to convert from clip space (range -1..1) to screen space (range 0..[width or height])\n // screen_p = (p.xy/p.w + <1,1>) * 0.5 * uViewport.zw\n\n // prevent division by W by transforming the tangent formula (div by 0 causes\n // the line to disappear, see https://github.com/processing/processing/issues/5183)\n // t = screen_q - screen_p\n //\n // tangent is normalized and we don't care which aDirection it points to (+-)\n // t = +- normalize( screen_q - screen_p )\n // t = +- normalize( (q.xy/q.w+<1,1>)*0.5*uViewport.zw - (p.xy/p.w+<1,1>)*0.5*uViewport.zw )\n //\n // extract common factor, <1,1> - <1,1> cancels out\n // t = +- normalize( (q.xy/q.w - p.xy/p.w) * 0.5 * uViewport.zw )\n //\n // convert to common divisor\n // t = +- normalize( ((q.xy*p.w - p.xy*q.w) / (p.w*q.w)) * 0.5 * uViewport.zw )\n //\n // remove the common scalar divisor/factor, not needed due to normalize and +-\n // (keep uViewport - can't remove because it has different components for x and y\n // and corrects for aspect ratio, see https://github.com/processing/processing/issues/5181)\n // t = +- normalize( (q.xy*p.w - p.xy*q.w) * uViewport.zw )\n\n vec2 tangentIn = normalize((qIn.xy*p.w - p.xy*qIn.w) * uViewport.zw);\n vec2 tangentOut = normalize((qOut.xy*p.w - p.xy*qOut.w) * uViewport.zw);\n\n vec2 curPerspScale;\n if(uPerspective == 1) {\n // Perspective ---\n // convert from world to clip by multiplying with projection scaling factor\n // to get the right thickness (see https://github.com/processing/processing/issues/5182)\n\n // The y value of the projection matrix may be flipped if rendering to a Framebuffer.\n // Multiplying again by its sign here negates the flip to get just the scale.\n curPerspScale = (uProjectionMatrix * vec4(1, sign(uProjectionMatrix[1][1]), 0, 0)).xy;\n } else {\n // No Perspective ---\n // multiply by W (to cancel out division by W later in the pipeline) and\n // convert from screen to clip (derived from clip to screen above)\n curPerspScale = p.w / (0.5 * uViewport.zw);\n }\n\n vec2 offset;\n if (vJoin == 1.) {\n vTangent = normalize(tangentIn + tangentOut);\n vec2 normalIn = vec2(-tangentIn.y, tangentIn.x);\n vec2 normalOut = vec2(-tangentOut.y, tangentOut.x);\n float side = sign(aSide);\n float sideEnum = abs(aSide);\n\n // We generate vertices for joins on either side of the centerline, but\n // the \"elbow\" side is the only one needing a join. By not setting the\n // offset for the other side, all its vertices will end up in the same\n // spot and not render, effectively discarding it.\n if (sign(dot(tangentOut, vec2(-tangentIn.y, tangentIn.x))) != side) {\n // Side enums:\n // 1: the side going into the join\n // 2: the middle of the join\n // 3: the side going out of the join\n if (sideEnum == 2.) {\n // Calculate the position + tangent on either side of the join, and\n // find where the lines intersect to find the elbow of the join\n vec2 c = (posp.xy/posp.w + vec2(1.,1.)) * 0.5 * uViewport.zw;\n vec2 intersection = lineIntersection(\n c + (side * normalIn * uStrokeWeight / 2.),\n tangentIn,\n c + (side * normalOut * uStrokeWeight / 2.),\n tangentOut\n );\n offset = (intersection - c);\n\n // When lines are thick and the angle of the join approaches 180, the\n // elbow might be really far from the center. We'll apply a limit to\n // the magnitude to avoid lines going across the whole screen when this\n // happens.\n float mag = length(offset);\n float maxMag = 3. * uStrokeWeight;\n if (mag > maxMag) {\n offset *= maxMag / mag;\n }\n } else if (sideEnum == 1.) {\n offset = side * normalIn * uStrokeWeight / 2.;\n } else if (sideEnum == 3.) {\n offset = side * normalOut * uStrokeWeight / 2.;\n }\n }\n if (uStrokeJoin == STROKE_JOIN_BEVEL) {\n vec2 avgNormal = vec2(-vTangent.y, vTangent.x);\n vMaxDist = abs(dot(avgNormal, normalIn * uStrokeWeight / 2.));\n } else {\n vMaxDist = uStrokeWeight / 2.;\n }\n } else {\n vec2 tangent = aTangentIn == vec3(0.) ? tangentOut : tangentIn;\n vTangent = tangent;\n vec2 normal = vec2(-tangent.y, tangent.x);\n\n float normalOffset = sign(aSide);\n // Caps will have side values of -2 or 2 on the edge of the cap that\n // extends out from the line\n float tangentOffset = abs(aSide) - 1.;\n offset = (normal * normalOffset + tangent * tangentOffset) *\n uStrokeWeight * 0.5;\n vMaxDist = uStrokeWeight / 2.;\n }\n vPosition = vCenter + offset;\n\n gl_Position.xy = p.xy + offset.xy * curPerspScale;\n gl_Position.zw = p.zw;\n \n vColor = (uUseLineColor ? aVertexColor : uMaterialColor);\n}\n",lineFrag:T+"precision mediump int;\n\nuniform vec4 uMaterialColor;\nuniform int uStrokeCap;\nuniform int uStrokeJoin;\nuniform float uStrokeWeight;\n\nIN vec4 vColor;\nIN vec2 vTangent;\nIN vec2 vCenter;\nIN vec2 vPosition;\nIN float vMaxDist;\nIN float vCap;\nIN float vJoin;\n\nfloat distSquared(vec2 a, vec2 b) {\n vec2 aToB = b - a;\n return dot(aToB, aToB);\n}\n\nvoid main() {\n if (vCap > 0.) {\n if (\n uStrokeCap == STROKE_CAP_ROUND &&\n distSquared(vPosition, vCenter) > uStrokeWeight * uStrokeWeight * 0.25\n ) {\n discard;\n } else if (\n uStrokeCap == STROKE_CAP_SQUARE &&\n dot(vPosition - vCenter, vTangent) > 0.\n ) {\n discard;\n }\n // Use full area for PROJECT\n } else if (vJoin > 0.) {\n if (\n uStrokeJoin == STROKE_JOIN_ROUND &&\n distSquared(vPosition, vCenter) > uStrokeWeight * uStrokeWeight * 0.25\n ) {\n discard;\n } else if (uStrokeJoin == STROKE_JOIN_BEVEL) {\n vec2 normal = vec2(-vTangent.y, vTangent.x);\n if (abs(dot(vPosition - vCenter, normal)) > vMaxDist) {\n discard;\n }\n }\n // Use full area for MITER\n }\n OUT_COLOR = vec4(vColor.rgb, 1.) * vColor.a;\n}\n",pointVert:"IN vec3 aPosition;\nuniform float uPointSize;\nOUT float vStrokeWeight;\nuniform mat4 uModelViewMatrix;\nuniform mat4 uProjectionMatrix;\nvoid main() {\n\tvec4 positionVec4 = vec4(aPosition, 1.0);\n\tgl_Position = uProjectionMatrix * uModelViewMatrix * positionVec4;\n\tgl_PointSize = uPointSize;\n\tvStrokeWeight = uPointSize;\n}\n",pointFrag:"precision mediump int;\nuniform vec4 uMaterialColor;\nIN float vStrokeWeight;\n\nvoid main(){\n float mask = 0.0;\n\n // make a circular mask using the gl_PointCoord (goes from 0 - 1 on a point)\n // might be able to get a nicer edge on big strokeweights with smoothstep but slightly less performant\n\n mask = step(0.98, length(gl_PointCoord * 2.0 - 1.0));\n\n // if strokeWeight is 1 or less lets just draw a square\n // this prevents weird artifacting from carving circles when our points are really small\n // if strokeWeight is larger than 1, we just use it as is\n\n mask = mix(0.0, mask, clamp(floor(vStrokeWeight - 0.5),0.0,1.0));\n\n // throw away the borders of the mask\n // otherwise we get weird alpha blending issues\n\n if(mask > 0.98){\n discard;\n }\n\n OUT_COLOR = vec4(uMaterialColor.rgb, 1.) * uMaterialColor.a;\n}\n",imageLightVert:"precision highp float;\nattribute vec3 aPosition;\nattribute vec3 aNormal;\nattribute vec2 aTexCoord;\n\nvarying vec3 localPos;\nvarying vec3 vWorldNormal;\nvarying vec3 vWorldPosition;\nvarying vec2 vTexCoord;\n\nuniform mat4 uModelViewMatrix;\nuniform mat4 uProjectionMatrix;\nuniform mat3 uNormalMatrix;\n\nvoid main() {\n // Multiply the position by the matrix.\n vec4 viewModelPosition = uModelViewMatrix * vec4(aPosition, 1.0);\n gl_Position = uProjectionMatrix * viewModelPosition; \n \n // orient the normals and pass to the fragment shader\n vWorldNormal = uNormalMatrix * aNormal;\n \n // send the view position to the fragment shader\n vWorldPosition = (uModelViewMatrix * vec4(aPosition, 1.0)).xyz;\n \n localPos = vWorldPosition;\n vTexCoord = aTexCoord;\n}\n\n\n/*\nin the vertex shader we'll compute the world position and world oriented normal of the vertices and pass those to the fragment shader as varyings.\n*/\n",imageLightDiffusedFrag:"precision highp float;\nvarying vec3 localPos;\n\n// the HDR cubemap converted (can be from an equirectangular environment map.)\nuniform sampler2D environmentMap;\nvarying vec2 vTexCoord;\n\nconst float PI = 3.14159265359;\n\nvec2 nTOE( vec3 v ){\n // x = r sin(phi) cos(theta) \n // y = r cos(phi) \n // z = r sin(phi) sin(theta)\n float phi = acos( v.y );\n // if phi is 0, then there are no x, z components\n float theta = 0.0;\n // else \n theta = acos(v.x / sin(phi));\n float sinTheta = v.z / sin(phi);\n if (sinTheta < 0.0) {\n // Turn it into -theta, but in the 0-2PI range\n theta = 2.0 * PI - theta;\n }\n theta = theta / (2.0 * 3.14159);\n phi = phi / 3.14159 ;\n \n vec2 angles = vec2( phi, theta );\n return angles;\n}\n\nvoid main()\n{ \t \n\t// the sample direction equals the hemisphere's orientation\n float phi = vTexCoord.x * 2.0 * PI;\n float theta = vTexCoord.y * PI;\n float x = sin(theta) * cos(phi);\n float y = sin(theta) * sin(phi);\n float z = cos(theta);\n vec3 normal = vec3( x, y, z);\n\n\t// Discretely sampling the hemisphere given the integral's\n // spherical coordinates translates to the following fragment code:\n\tvec3 irradiance = vec3(0.0); \n\tvec3 up\t= vec3(0.0, 1.0, 0.0);\n\tvec3 right = normalize(cross(up, normal));\n\tup = normalize(cross(normal, right));\n\n\t// We specify a fixed sampleDelta delta value to traverse\n // the hemisphere; decreasing or increasing the sample delta\n // will increase or decrease the accuracy respectively.\n\tconst float sampleDelta = 0.025;\n\tfloat nrSamples = 0.0;\n \n\tfor(float phi = 0.0; phi < 2.0 * PI; phi += sampleDelta)\n\t{\n for(float theta = 0.0; theta < ( 0.5 ) * PI; theta += sampleDelta)\n {\n // spherical to cartesian (in tangent space) // tangent space to world // add each sample result to irradiance\n float x = sin(theta) * cos(phi);\n float y = sin(theta) * sin(phi);\n float z = cos(theta);\n vec3 tangentSample = vec3( x, y, z);\n \n vec3 sampleVec = tangentSample.x * right + tangentSample.y * up + tangentSample.z * normal;\n irradiance += (texture2D(environmentMap, nTOE(sampleVec)).xyz) * cos(theta) * sin(theta);\n nrSamples++;\n }\n\t}\n\t// divide by the total number of samples taken, giving us the average sampled irradiance.\n\tirradiance = PI * irradiance * (1.0 / float(nrSamples )) ;\n \n \n\tgl_FragColor = vec4(irradiance, 1.0);\n}",imageLightSpecularFrag:"precision highp float;\r\nvarying vec3 localPos;\r\nvarying vec2 vTexCoord;\r\n\r\n// our texture\r\nuniform sampler2D environmentMap;\r\nuniform float roughness;\r\n\r\nconst float PI = 3.14159265359;\r\n\r\nfloat VanDerCorput(int bits);\r\nvec2 HammersleyNoBitOps(int i, int N);\r\nvec3 ImportanceSampleGGX(vec2 Xi, vec3 N, float roughness);\r\n\r\n\r\nvec2 nTOE( vec3 v ){\r\n // x = r sin(phi) cos(theta) \r\n // y = r cos(phi) \r\n // z = r sin(phi) sin(theta)\r\n float phi = acos( v.y );\r\n // if phi is 0, then there are no x, z components\r\n float theta = 0.0;\r\n // else \r\n theta = acos(v.x / sin(phi));\r\n float sinTheta = v.z / sin(phi);\r\n if (sinTheta < 0.0) {\r\n // Turn it into -theta, but in the 0-2PI range\r\n theta = 2.0 * PI - theta;\r\n }\r\n theta = theta / (2.0 * 3.14159);\r\n phi = phi / 3.14159 ;\r\n \r\n vec2 angles = vec2( phi, theta );\r\n return angles;\r\n}\r\n\r\n\r\nvoid main(){\r\n const int SAMPLE_COUNT = 1024; // 4096\r\n float totalWeight = 0.0;\r\n vec3 prefilteredColor = vec3(0.0);\r\n float phi = vTexCoord.x * 2.0 * PI;\r\n float theta = vTexCoord.y * PI;\r\n float x = sin(theta) * cos(phi);\r\n float y = sin(theta) * sin(phi);\r\n float z = cos(theta);\r\n vec3 N = vec3(x,y,z);\r\n vec3 V = N;\r\n for (int i = 0; i < SAMPLE_COUNT; ++i)\r\n {\r\n vec2 Xi = HammersleyNoBitOps(i, SAMPLE_COUNT);\r\n vec3 H = ImportanceSampleGGX(Xi, N, roughness);\r\n vec3 L = normalize(2.0 * dot(V, H) * H - V);\r\n\r\n float NdotL = max(dot(N, L), 0.0);\r\n if (NdotL > 0.0)\r\n {\r\n prefilteredColor += texture2D(environmentMap, nTOE(L)).xyz * NdotL;\r\n totalWeight += NdotL;\r\n }\r\n }\r\n prefilteredColor = prefilteredColor / totalWeight;\r\n\r\n gl_FragColor = vec4(prefilteredColor, 1.0);\r\n}\r\n\r\nvec3 ImportanceSampleGGX(vec2 Xi, vec3 N, float roughness){\r\n float a = roughness * roughness;\r\n\r\n float phi = 2.0 * PI * Xi.x;\r\n float cosTheta = sqrt((1.0 - Xi.y) / (1.0 + (a * a - 1.0) * Xi.y));\r\n float sinTheta = sqrt(1.0 - cosTheta * cosTheta);\r\n // from spherical coordinates to cartesian coordinates\r\n vec3 H;\r\n H.x = cos(phi) * sinTheta;\r\n H.y = sin(phi) * sinTheta;\r\n H.z = cosTheta;\r\n\r\n // from tangent-space vector to world-space sample vector\r\n vec3 up = abs(N.z) < 0.999 ? vec3(0.0, 0.0, 1.0) : vec3(1.0, 0.0, 0.0);\r\n vec3 tangent = normalize(cross(up, N));\r\n vec3 bitangent = cross(N, tangent);\r\n\r\n vec3 sampleVec = tangent * H.x + bitangent * H.y + N * H.z;\r\n return normalize(sampleVec);\r\n}\r\n\r\n\r\nfloat VanDerCorput(int n, int base)\r\n{\r\n float invBase = 1.0 / float(base);\r\n float denom = 1.0;\r\n float result = 0.0;\r\n\r\n for (int i = 0; i < 32; ++i)\r\n {\r\n\tif (n > 0)\r\n\t{\r\n \tdenom = mod(float(n), 2.0);\r\n \tresult += denom * invBase;\r\n \tinvBase = invBase / 2.0;\r\n \tn = int(float(n) / 2.0);\r\n\t}\r\n }\r\n\r\n return result;\r\n}\r\n\r\nvec2 HammersleyNoBitOps(int i, int N)\r\n{\r\n return vec2(float(i) / float(N), VanDerCorput(i, 2));\r\n}\r\n"};for(x in M)M[x]="#ifdef WEBGL2\n\n#define IN in\n#define OUT out\n\n#ifdef FRAGMENT_SHADER\nout vec4 outColor;\n#define OUT_COLOR outColor\n#endif\n#define TEXTURE texture\n\n#else\n\n#ifdef FRAGMENT_SHADER\n#define IN varying\n#else\n#define IN attribute\n#endif\n#define OUT varying\n#define TEXTURE texture2D\n\n#ifdef FRAGMENT_SHADER\n#define OUT_COLOR gl_FragColor\n#endif\n\n#endif\n"+M[x];j(e={},l.GRAY,"precision highp float;\n\nvarying vec2 vTexCoord;\n\nuniform sampler2D tex0;\n\nfloat luma(vec3 color) {\n // weighted grayscale with luminance values\n return dot(color, vec3(0.2126, 0.7152, 0.0722));\n}\n\nvoid main() {\n vec4 tex = texture2D(tex0, vTexCoord);\n float gray = luma(tex.rgb);\n gl_FragColor = vec4(gray, gray, gray, tex.a);\n}\n"),j(e,l.ERODE,"// Reduces the bright areas in an image\n\nprecision highp float;\n\nvarying vec2 vTexCoord;\n\nuniform sampler2D tex0;\nuniform vec2 texelSize;\n\nfloat luma(vec3 color) {\n // weighted grayscale with luminance values\n // weights 77, 151, 28 taken from src/image/filters.js\n return dot(color, vec3(0.300781, 0.589844, 0.109375));\n}\n\nvoid main() {\n vec4 color = texture2D(tex0, vTexCoord);\n float lum = luma(color.rgb);\n\n // set current color as the darkest neighbor color\n\n vec4 neighbors[4];\n neighbors[0] = texture2D(tex0, vTexCoord + vec2( texelSize.x, 0.0));\n neighbors[1] = texture2D(tex0, vTexCoord + vec2(-texelSize.x, 0.0));\n neighbors[2] = texture2D(tex0, vTexCoord + vec2(0.0, texelSize.y));\n neighbors[3] = texture2D(tex0, vTexCoord + vec2(0.0, -texelSize.y));\n\n for (int i = 0; i < 4; i++) {\n vec4 neighborColor = neighbors[i];\n float neighborLum = luma(neighborColor.rgb);\n\n if (neighborLum < lum) {\n color = neighborColor;\n lum = neighborLum;\n }\n }\n\n gl_FragColor = color;\n}\n"),j(e,l.DILATE,"// Increase the bright areas in an image\n\nprecision highp float;\n\nvarying vec2 vTexCoord;\n\nuniform sampler2D tex0;\nuniform vec2 texelSize;\n\nfloat luma(vec3 color) {\n // weighted grayscale with luminance values\n // weights 77, 151, 28 taken from src/image/filters.js\n return dot(color, vec3(0.300781, 0.589844, 0.109375));\n}\n\nvoid main() {\n vec4 color = texture2D(tex0, vTexCoord);\n float lum = luma(color.rgb);\n\n // set current color as the brightest neighbor color\n\n vec4 neighbors[4];\n neighbors[0] = texture2D(tex0, vTexCoord + vec2( texelSize.x, 0.0));\n neighbors[1] = texture2D(tex0, vTexCoord + vec2(-texelSize.x, 0.0));\n neighbors[2] = texture2D(tex0, vTexCoord + vec2(0.0, texelSize.y));\n neighbors[3] = texture2D(tex0, vTexCoord + vec2(0.0, -texelSize.y));\n\n for (int i = 0; i < 4; i++) {\n vec4 neighborColor = neighbors[i];\n float neighborLum = luma(neighborColor.rgb);\n\n if (neighborLum > lum) {\n color = neighborColor;\n lum = neighborLum;\n }\n }\n\n gl_FragColor = color;\n}\n"),j(e,l.BLUR,"precision highp float;\n\n// Two-pass blur filter, unweighted kernel.\n// See also a similar blur at Adam Ferriss' repo of shader examples:\n// https://github.com/aferriss/p5jsShaderExamples/blob/gh-pages/4_image-effects/4-9_single-pass-blur/effect.frag\n\n\nuniform sampler2D tex0;\nvarying vec2 vTexCoord;\nuniform vec2 direction;\nuniform vec2 canvasSize;\nuniform float radius;\n\nfloat random(vec2 p) {\n vec3 p3 = fract(vec3(p.xyx) * .1031);\n p3 += dot(p3, p3.yzx + 33.33);\n return fract((p3.x + p3.y) * p3.z);\n}\n\n// This isn't a real Gaussian weight, it's a quadratic weight. It's what the\n// CPU mode's blur uses though, so we also use it here to match.\nfloat quadWeight(float x, float e) {\n return pow(e-abs(x), 2.);\n}\n\nvoid main(){\n vec2 uv = vTexCoord;\n\n // A reasonable maximum number of samples\n const float maxSamples = 64.0;\n\n float numSamples = floor(7. * radius);\n if (fract(numSamples / 2.) == 0.) {\n numSamples++;\n }\n vec4 avg = vec4(0.0);\n float total = 0.0;\n\n // Calculate the spacing to avoid skewing if numSamples > maxSamples\n float spacing = 1.0;\n if (numSamples > maxSamples) {\n spacing = numSamples / maxSamples;\n numSamples = maxSamples;\n }\n\n float randomOffset = (spacing - 1.0) * mix(-0.5, 0.5, random(gl_FragCoord.xy));\n for (float i = 0.0; i < maxSamples; i++) {\n if (i >= numSamples) break;\n\n float sample = i * spacing - (numSamples - 1.0) * 0.5 * spacing + randomOffset;\n vec2 sampleCoord = uv + vec2(sample, sample) / canvasSize * direction;\n float weight = quadWeight(sample, (numSamples - 1.0) * 0.5 * spacing);\n\n avg += weight * texture2D(tex0, sampleCoord);\n total += weight;\n }\n\n avg /= total;\n gl_FragColor = avg;\n}\n"),j(e,l.POSTERIZE,"// Limit color space for a stylized cartoon / poster effect\n\nprecision highp float;\n\nvarying vec2 vTexCoord;\n\nuniform sampler2D tex0;\nuniform float filterParameter;\n\nvec3 quantize(vec3 color, float n) {\n // restrict values to N options/bins\n // and floor each channel to nearest value\n //\n // eg. when N = 5, values = 0.0, 0.25, 0.50, 0.75, 1.0\n // then quantize (0.1, 0.7, 0.9) -> (0.0, 0.5, 1.0)\n\n color = color * n;\n color = floor(color);\n color = color / (n - 1.0);\n return color;\n}\n\nvoid main() {\n vec4 color = texture2D(tex0, vTexCoord);\n\n vec3 restrictedColor = quantize(color.rgb / color.a, filterParameter);\n\n gl_FragColor = vec4(restrictedColor.rgb * color.a, color.a);\n}\n"),j(e,l.OPAQUE,"// Set alpha channel to entirely opaque\n\nprecision highp float;\n\nvarying vec2 vTexCoord;\n\nuniform sampler2D tex0;\n\nvoid main() {\n vec4 color = texture2D(tex0, vTexCoord);\n gl_FragColor = vec4(color.rgb / color.a, 1.0);\n}\n"),j(e,l.INVERT,"// Set each pixel to inverse value\n// Note that original INVERT does not change the opacity, so this follows suit\n\nprecision highp float;\n\nvarying vec2 vTexCoord;\n\nuniform sampler2D tex0;\n\nvoid main() {\nvec4 color = texture2D(tex0, vTexCoord);\nvec3 origColor = color.rgb / color.a;\nvec3 invertedColor = vec3(1.0) - origColor;\ngl_FragColor = vec4(invertedColor * color.a, color.a);\n}\n"),j(e,l.THRESHOLD,"// Convert pixels to either white or black, \n// depending on if their luma is above or below filterParameter\n\nprecision highp float;\n\nvarying vec2 vTexCoord;\n\nuniform sampler2D tex0;\nuniform float filterParameter;\n\nfloat luma(vec3 color) {\n // weighted grayscale with luminance values\n return dot(color, vec3(0.2126, 0.7152, 0.0722));\n}\n\nvoid main() {\n vec4 color = texture2D(tex0, vTexCoord);\n float gray = luma(color.rgb / color.a);\n // floor() used to match src/image/filters.js\n float threshold = floor(filterParameter * 255.0) / 255.0;\n float blackOrWhite = step(threshold, gray);\n gl_FragColor = vec4(vec3(blackOrWhite) * color.a, color.a);\n}\n");var E=e;function k(e,t,r,o,n,s,i,a,l,u){var c=t.getParameter(t.FRAMEBUFFER_BINDING),r=(t.bindFramebuffer(t.FRAMEBUFFER,r),a===t.RGBA?4:3),d=s*i*r,h=l===t.UNSIGNED_BYTE?Uint8Array:Float32Array;if(e instanceof h&&e.length===d||(e=new h(d)),t.readPixels(o,u?u-n-i:n,s,i,a,l,e),t.bindFramebuffer(t.FRAMEBUFFER,c),u)for(var f=Math.floor(i/2),p=new h(s*r),m=0;m>7,127&d,c>>7,127&c);for(var h=0;h>7,127&f,0,0)}}return{cellImageInfo:a,dimOffset:t,dimImageInfo:n}}}}]),t}();B.default.RendererGL.prototype._renderText=function(e,t,r,o,n){if(this._textFont&&"string"!=typeof this._textFont){if(!(n<=o)&&this._doFill){if(this._isOpenType()){e.push();var n=this._doStroke,s=this.drawMode,i=(this._doStroke=!1,this.drawMode=M.TEXTURE,this._textFont.font),a=(a=this._textFont._fontInfo)||(this._textFont._fontInfo=new E(i)),r=this._textFont._handleAlignment(this,t,r,o),o=this._textSize/i.unitsPerEm,l=(this.translate(r.x,r.y,0),this.scale(o,o,1),this.GL),r=!this._defaultFontShader,u=this._getFontShader(),c=(u.init(),u.bindShader(),r&&(u.setUniform("uGridImageSize",[64,64]),u.setUniform("uCellsImageSize",[64,64]),u.setUniform("uStrokeImageSize",[64,64]),u.setUniform("uGridSize",[9,9])),this._applyColorBlend(this.curFillColor),this.retainedMode.geometry.glyph),d=(c||((o=this._textGeom=new B.default.Geometry(1,1,function(){for(var e=0;e<=1;e++)for(var t=0;t<=1;t++)this.vertices.push(new B.default.Vector(t,e,0)),this.uvs.push(t,e)})).computeFaces().computeNormals(),c=this.createBuffers("glyph",o)),!0),r=!1,o=void 0;try{for(var h,f=this.retainedMode.buffers.text[Symbol.iterator]();!(d=(h=f.next()).done);d=!0)h.value._prepareBuffer(c,u)}catch(e){r=!0,o=e}finally{try{d||null==f.return||f.return()}finally{if(r)throw o}}this._bindBuffer(c.indexBuffer,l.ELEMENT_ARRAY_BUFFER),u.setUniform("uMaterialColor",this.curFillColor),l.pixelStorei(l.UNPACK_PREMULTIPLY_ALPHA_WEBGL,!1);try{var p=0,m=null,y=i.stringToGlyphs(t),g=!0,v=!1,b=void 0;try{for(var j,_=y[Symbol.iterator]();!(g=(j=_.next()).done);g=!0){var x,w,S=j.value,T=(m&&(p+=i.getKerningValue(m,S)),a.getGlyphInfo(S));T.uGlyphRect&&(x=T.rowInfo,w=T.colInfo,u.setUniform("uSamplerStrokes",T.strokeImageInfo.imageData),u.setUniform("uSamplerRowStrokes",x.cellImageInfo.imageData),u.setUniform("uSamplerRows",x.dimImageInfo.imageData),u.setUniform("uSamplerColStrokes",w.cellImageInfo.imageData),u.setUniform("uSamplerCols",w.dimImageInfo.imageData),u.setUniform("uGridOffset",T.uGridOffset),u.setUniform("uGlyphRect",T.uGlyphRect),u.setUniform("uGlyphOffset",p),u.bindTextures(),l.drawElements(l.TRIANGLES,6,this.GL.UNSIGNED_SHORT,0)),p+=S.advanceWidth,m=S}}catch(e){v=!0,b=e}finally{try{g||null==_.return||_.return()}finally{if(v)throw b}}}finally{u.unbindShader(),this._doStroke=n,this.drawMode=s,l.pixelStorei(l.UNPACK_PREMULTIPLY_ALPHA_WEBGL,!0),e.pop()}}else console.log("WEBGL: only Opentype (.otf) and Truetype (.ttf) fonts are supported");return e}}else console.log("WEBGL: you must load and set a font before drawing text. 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                                          Grid Output

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e=this.canvas.id;JSON.stringify(this.ingredients.shapes)===this.ingredients.pShapes&&this.ingredients.colors.background===this.ingredients.pBackground||(this.ingredients.pShapes=JSON.stringify(this.ingredients.shapes),this._accessibleOutputs.text&&this._updateTextOutput(e+"textOutput"),this._accessibleOutputs.grid&&this._updateGridOutput(e+"gridOutput"),this._accessibleOutputs.textLabel&&this._updateTextOutput(e+"textOutputLabel"),this._accessibleOutputs.gridLabel&&this._updateGridOutput(e+"gridOutputLabel"))},o.default.prototype._accsBackground=function(e){this.ingredients.pShapes=JSON.stringify(this.ingredients.shapes),this.ingredients.pBackground=this.ingredients.colors.background,this.ingredients.shapes={},this.ingredients.colors.backgroundRGBA!==e&&(this.ingredients.colors.backgroundRGBA=e,this.ingredients.colors.background=this._rgbColorName(e))},o.default.prototype._accsCanvasColors=function(e,t){"fill"===e?this.ingredients.colors.fillRGBA!==t&&(this.ingredients.colors.fillRGBA=t,this.ingredients.colors.fill=this._rgbColorName(t)):"stroke"===e&&this.ingredients.colors.strokeRGBA!==t&&(this.ingredients.colors.strokeRGBA=t,this.ingredients.colors.stroke=this._rgbColorName(t))},o.default.prototype._accsOutput=function(e,t){"ellipse"===e&&t[2]===t[3]?e="circle":"rectangle"===e&&t[2]===t[3]&&(e="square");var r,o,n={},s=!0,i=function(e,t){var r;e="rectangle"===e||"ellipse"===e||"arc"===e||"circle"===e||"square"===e?(r=Math.round(t[0]+t[2]/2),Math.round(t[1]+t[3]/2)):"triangle"===e?(r=(t[0]+t[2]+t[4])/3,(t[1]+t[3]+t[5])/3):"quadrilateral"===e?(r=(t[0]+t[2]+t[4]+t[6])/4,(t[1]+t[3]+t[5]+t[7])/4):"line"===e?(r=(t[0]+t[2])/2,(t[1]+t[3])/2):(r=t[0],t[1]);return[r,e]}(e,t);if("line"===e?(n.color=this.ingredients.colors.stroke,n.length=Math.round(this.dist(t[0],t[1],t[2],t[3])),r=this._getPos(t[0],[1]),o=this._getPos(t[2],[3]),n.loc=u(i,this.width,this.height),n.pos=r===o?"at ".concat(r):"from ".concat(r," to ").concat(o)):("point"===e?n.color=this.ingredients.colors.stroke:(n.color=this.ingredients.colors.fill,n.area=this._getArea(e,t)),n.pos=this._getPos.apply(this,l(i)),n.loc=u(i,this.width,this.height)),this.ingredients.shapes[e]){if(this.ingredients.shapes[e]!==[n]){for(var a in this.ingredients.shapes[e])JSON.stringify(this.ingredients.shapes[e][a])===JSON.stringify(n)&&(s=!1);!0===s&&this.ingredients.shapes[e].push(n)}}else this.ingredients.shapes[e]=[n]},o.default.prototype._getPos=function(e,t){var e=new DOMPointReadOnly(e,t),t=this._renderer.isP3D?new DOMMatrix(this._renderer.uMVMatrix.mat4):this.drawingContext.getTransform(),e=e.matrixTransform(t),t=e.x,e=e.y,r=this.width*this._pixelDensity,o=this.height*this._pixelDensity;return t<.4*r?e<.4*o?"top left":.6*oMath.PI?n+=o:n-=o)):"ellipse"===e||"circle"===e?n=3.14*t[2]/2*t[3]/2:"line"===e||"point"===e?n=0:"quadrilateral"===e?n=Math.abs((t[6]+t[0])*(t[7]-t[1])+(t[0]+t[2])*(t[1]-t[3])+(t[2]+t[4])*(t[3]-t[5])+(t[4]+t[6])*(t[5]-t[7]))/2:"rectangle"===e||"square"===e?n=t[2]*t[3]:"triangle"===e&&(n=Math.abs(t[0]*(t[3]-t[5])+t[2]*(t[5]-t[1])+t[4]*(t[1]-t[3]))/2),this.width*this._pixelDensity),i=this.height*this._pixelDensity,a=[new DOMPoint(0,0),new DOMPoint(s,0),new DOMPoint(s,i),new 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                                          • ').concat(t[r][s].color," ").concat(r,"");"line"===r?i+=", ".concat(t[r][s].pos,", ").concat(t[r][s].length," pixels long.
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curve (after t1)?\n if (y1 ? !y2 : y0) {\n // add the coverage for t1\n coverage.x += saturate(C1.x + 0.5);\n // calculate the anti-aliasing for t1\n weight.x = min(weight.x, abs(C1.x));\n }\n\n // are we outside the curve (after t2)?\n if (y1 ? !y0 : y2) {\n // subtract the coverage for t2\n coverage.x -= saturate(C2.x + 0.5);\n // calculate the anti-aliasing for t2\n weight.x = min(weight.x, abs(C2.x));\n }\n}\n\n// this is essentially the same as coverageX, but with the axes swapped\nvoid coverageY(vec2 p0, vec2 p1, vec2 p2) {\n\n vec2 C1, C2;\n calulateCrossings(p0, p1, p2, C1, C2);\n\n bool x0 = p0.x > vTexCoord.x;\n bool x1 = p1.x > vTexCoord.x;\n bool x2 = p2.x > vTexCoord.x;\n\n if (x1 ? !x2 : x0) {\n coverage.y -= saturate(C1.y + 0.5);\n weight.y = min(weight.y, abs(C1.y));\n }\n\n if (x1 ? !x0 : x2) {\n coverage.y += saturate(C2.y + 0.5);\n weight.y = min(weight.y, abs(C2.y));\n }\n}\n\nvoid main() {\n\n // calculate the pixel scale based on screen-coordinates\n pixelScale = hardness / fwidth(vTexCoord);\n\n // which grid cell is this pixel in?\n ivec2 gridCoord = ifloor(vTexCoord * vec2(uGridSize));\n\n // intersect curves in this row\n {\n // the index into the row info bitmap\n int rowIndex = gridCoord.y + uGridOffset.y;\n // fetch the info texel\n vec4 rowInfo = getTexel(uSamplerRows, rowIndex, uGridImageSize);\n // unpack the rowInfo\n int rowStrokeIndex = getInt16(rowInfo.xy);\n int rowStrokeCount = getInt16(rowInfo.zw);\n\n for (int iRowStroke = INT(0); iRowStroke < N; iRowStroke++) {\n if (iRowStroke >= rowStrokeCount)\n break;\n\n // each stroke is made up of 3 points: the start and control point\n // and the start of the next curve.\n // fetch the indices of this pair of strokes:\n vec4 strokeIndices = getTexel(uSamplerRowStrokes, rowStrokeIndex++, uCellsImageSize);\n\n // unpack the stroke index\n int strokePos = getInt16(strokeIndices.xy);\n\n // fetch the two strokes\n vec4 stroke0 = getTexel(uSamplerStrokes, strokePos + INT(0), uStrokeImageSize);\n vec4 stroke1 = getTexel(uSamplerStrokes, strokePos + INT(1), uStrokeImageSize);\n\n // calculate the coverage\n coverageX(stroke0.xy, stroke0.zw, stroke1.xy);\n }\n }\n\n // intersect curves in this column\n {\n int colIndex = gridCoord.x + uGridOffset.x;\n vec4 colInfo = getTexel(uSamplerCols, colIndex, uGridImageSize);\n int colStrokeIndex = getInt16(colInfo.xy);\n int colStrokeCount = getInt16(colInfo.zw);\n \n for (int iColStroke = INT(0); iColStroke < N; iColStroke++) {\n if (iColStroke >= colStrokeCount)\n break;\n\n vec4 strokeIndices = getTexel(uSamplerColStrokes, colStrokeIndex++, uCellsImageSize);\n\n int strokePos = getInt16(strokeIndices.xy);\n vec4 stroke0 = getTexel(uSamplerStrokes, strokePos + INT(0), uStrokeImageSize);\n vec4 stroke1 = getTexel(uSamplerStrokes, strokePos + INT(1), uStrokeImageSize);\n coverageY(stroke0.xy, stroke0.zw, stroke1.xy);\n }\n }\n\n weight = saturate(1.0 - weight * 2.0);\n float distance = max(weight.x + weight.y, minDistance); // manhattan approx.\n float antialias = abs(dot(coverage, weight) / distance);\n float cover = min(abs(coverage.x), abs(coverage.y));\n OUT_COLOR = vec4(uMaterialColor.rgb, 1.) * uMaterialColor.a;\n OUT_COLOR *= saturate(max(antialias, cover));\n}\n",lineVert:T+"/*\n Part of the Processing project - http://processing.org\n Copyright (c) 2012-15 The Processing Foundation\n Copyright (c) 2004-12 Ben Fry and Casey Reas\n Copyright (c) 2001-04 Massachusetts Institute of Technology\n This library is free software; you can redistribute it and/or\n modify it under the terms of the GNU Lesser General Public\n License as published by the Free Software Foundation, version 2.1.\n This library is distributed in the hope that it will be useful,\n but WITHOUT ANY WARRANTY; without even the implied warranty of\n MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU\n Lesser General Public License for more details.\n You should have received a copy of the GNU Lesser General\n Public License along with this library; if not, write to the\n Free Software Foundation, Inc., 59 Temple Place, Suite 330,\n Boston, MA 02111-1307 USA\n*/\n\n#define PROCESSING_LINE_SHADER\n\nprecision mediump int;\n\nuniform mat4 uModelViewMatrix;\nuniform mat4 uProjectionMatrix;\nuniform float uStrokeWeight;\n\nuniform bool uUseLineColor;\nuniform vec4 uMaterialColor;\n\nuniform vec4 uViewport;\nuniform int uPerspective;\nuniform int uStrokeJoin;\n\nIN vec4 aPosition;\nIN vec3 aTangentIn;\nIN vec3 aTangentOut;\nIN float aSide;\nIN vec4 aVertexColor;\n\nOUT vec4 vColor;\nOUT vec2 vTangent;\nOUT vec2 vCenter;\nOUT vec2 vPosition;\nOUT float vMaxDist;\nOUT float vCap;\nOUT float vJoin;\n\nvec2 lineIntersection(vec2 aPoint, vec2 aDir, vec2 bPoint, vec2 bDir) {\n // Rotate and translate so a starts at the origin and goes out to the right\n bPoint -= aPoint;\n vec2 rotatedBFrom = vec2(\n bPoint.x*aDir.x + bPoint.y*aDir.y,\n bPoint.y*aDir.x - bPoint.x*aDir.y\n );\n vec2 bTo = bPoint + bDir;\n vec2 rotatedBTo = vec2(\n bTo.x*aDir.x + bTo.y*aDir.y,\n bTo.y*aDir.x - bTo.x*aDir.y\n );\n float intersectionDistance =\n rotatedBTo.x + (rotatedBFrom.x - rotatedBTo.x) * rotatedBTo.y /\n (rotatedBTo.y - rotatedBFrom.y);\n return aPoint + aDir * intersectionDistance;\n}\n\nvoid main() {\n // Caps have one of either the in or out tangent set to 0\n vCap = (aTangentIn == vec3(0.)) != (aTangentOut == (vec3(0.)))\n ? 1. : 0.;\n\n // Joins have two unique, defined tangents\n vJoin = (\n aTangentIn != vec3(0.) &&\n aTangentOut != vec3(0.) &&\n aTangentIn != aTangentOut\n ) ? 1. : 0.;\n\n vec4 posp = uModelViewMatrix * aPosition;\n vec4 posqIn = uModelViewMatrix * (aPosition + vec4(aTangentIn, 0));\n vec4 posqOut = uModelViewMatrix * (aPosition + vec4(aTangentOut, 0));\n\n float facingCamera = pow(\n // The word space tangent's z value is 0 if it's facing the camera\n abs(normalize(posqIn-posp).z),\n\n // Using pow() here to ramp `facingCamera` up from 0 to 1 really quickly\n // so most lines get scaled and don't get clipped\n 0.25\n );\n\n // Moving vertices slightly toward the camera\n // to avoid depth-fighting with the fill triangles.\n // This prevents popping effects due to half of\n // the line disappearing behind the geometry faces.\n \n float zOffset = mix(-0.00045, -1., facingCamera);\n posp.z -= zOffset;\n posqIn.z -= zOffset;\n posqOut.z -= zOffset;\n \n vec4 p = uProjectionMatrix * posp;\n vec4 qIn = uProjectionMatrix * posqIn;\n vec4 qOut = uProjectionMatrix * posqOut;\n vCenter = p.xy;\n\n // formula to convert from clip space (range -1..1) to screen space (range 0..[width or height])\n // screen_p = (p.xy/p.w + <1,1>) * 0.5 * uViewport.zw\n\n // prevent division by W by transforming the tangent formula (div by 0 causes\n // the line to disappear, see https://github.com/processing/processing/issues/5183)\n // t = screen_q - screen_p\n //\n // tangent is normalized and we don't care which aDirection it points to (+-)\n // t = +- normalize( screen_q - screen_p )\n // t = +- normalize( (q.xy/q.w+<1,1>)*0.5*uViewport.zw - (p.xy/p.w+<1,1>)*0.5*uViewport.zw )\n //\n // extract common factor, <1,1> - <1,1> cancels out\n // t = +- normalize( (q.xy/q.w - p.xy/p.w) * 0.5 * uViewport.zw )\n //\n // convert to common divisor\n // t = +- normalize( ((q.xy*p.w - p.xy*q.w) / (p.w*q.w)) * 0.5 * uViewport.zw )\n //\n // remove the common scalar divisor/factor, not needed due to normalize and +-\n // (keep uViewport - can't remove because it has different components for x and y\n // and corrects for aspect ratio, see https://github.com/processing/processing/issues/5181)\n // t = +- normalize( (q.xy*p.w - p.xy*q.w) * uViewport.zw )\n\n vec2 tangentIn = normalize((qIn.xy*p.w - p.xy*qIn.w) * uViewport.zw);\n vec2 tangentOut = normalize((qOut.xy*p.w - p.xy*qOut.w) * uViewport.zw);\n\n vec2 curPerspScale;\n if(uPerspective == 1) {\n // Perspective ---\n // convert from world to clip by multiplying with projection scaling factor\n // to get the right thickness (see https://github.com/processing/processing/issues/5182)\n\n // The y value of the projection matrix may be flipped if rendering to a Framebuffer.\n // Multiplying again by its sign here negates the flip to get just the scale.\n curPerspScale = (uProjectionMatrix * vec4(1, sign(uProjectionMatrix[1][1]), 0, 0)).xy;\n } else {\n // No Perspective ---\n // multiply by W (to cancel out division by W later in the pipeline) and\n // convert from screen to clip (derived from clip to screen above)\n curPerspScale = p.w / (0.5 * uViewport.zw);\n }\n\n vec2 offset;\n if (vJoin == 1.) {\n vTangent = normalize(tangentIn + tangentOut);\n vec2 normalIn = vec2(-tangentIn.y, tangentIn.x);\n vec2 normalOut = vec2(-tangentOut.y, tangentOut.x);\n float side = sign(aSide);\n float sideEnum = abs(aSide);\n\n // We generate vertices for joins on either side of the centerline, but\n // the \"elbow\" side is the only one needing a join. By not setting the\n // offset for the other side, all its vertices will end up in the same\n // spot and not render, effectively discarding it.\n if (sign(dot(tangentOut, vec2(-tangentIn.y, tangentIn.x))) != side) {\n // Side enums:\n // 1: the side going into the join\n // 2: the middle of the join\n // 3: the side going out of the join\n if (sideEnum == 2.) {\n // Calculate the position + tangent on either side of the join, and\n // find where the lines intersect to find the elbow of the join\n vec2 c = (posp.xy/posp.w + vec2(1.,1.)) * 0.5 * uViewport.zw;\n vec2 intersection = lineIntersection(\n c + (side * normalIn * uStrokeWeight / 2.),\n tangentIn,\n c + (side * normalOut * uStrokeWeight / 2.),\n tangentOut\n );\n offset = (intersection - c);\n\n // When lines are thick and the angle of the join approaches 180, the\n // elbow might be really far from the center. We'll apply a limit to\n // the magnitude to avoid lines going across the whole screen when this\n // happens.\n float mag = length(offset);\n float maxMag = 3. * uStrokeWeight;\n if (mag > maxMag) {\n offset *= maxMag / mag;\n }\n } else if (sideEnum == 1.) {\n offset = side * normalIn * uStrokeWeight / 2.;\n } else if (sideEnum == 3.) {\n offset = side * normalOut * uStrokeWeight / 2.;\n }\n }\n if (uStrokeJoin == STROKE_JOIN_BEVEL) {\n vec2 avgNormal = vec2(-vTangent.y, vTangent.x);\n vMaxDist = abs(dot(avgNormal, normalIn * uStrokeWeight / 2.));\n } else {\n vMaxDist = uStrokeWeight / 2.;\n }\n } else {\n vec2 tangent = aTangentIn == vec3(0.) ? tangentOut : tangentIn;\n vTangent = tangent;\n vec2 normal = vec2(-tangent.y, tangent.x);\n\n float normalOffset = sign(aSide);\n // Caps will have side values of -2 or 2 on the edge of the cap that\n // extends out from the line\n float tangentOffset = abs(aSide) - 1.;\n offset = (normal * normalOffset + tangent * tangentOffset) *\n uStrokeWeight * 0.5;\n vMaxDist = uStrokeWeight / 2.;\n }\n vPosition = vCenter + offset;\n\n gl_Position.xy = p.xy + offset.xy * curPerspScale;\n gl_Position.zw = p.zw;\n \n vColor = (uUseLineColor ? aVertexColor : uMaterialColor);\n}\n",lineFrag:T+"precision mediump int;\n\nuniform vec4 uMaterialColor;\nuniform int uStrokeCap;\nuniform int uStrokeJoin;\nuniform float uStrokeWeight;\n\nIN vec4 vColor;\nIN vec2 vTangent;\nIN vec2 vCenter;\nIN vec2 vPosition;\nIN float vMaxDist;\nIN float vCap;\nIN float vJoin;\n\nfloat distSquared(vec2 a, vec2 b) {\n vec2 aToB = b - a;\n return dot(aToB, aToB);\n}\n\nvoid main() {\n if (vCap > 0.) {\n if (\n uStrokeCap == STROKE_CAP_ROUND &&\n distSquared(vPosition, vCenter) > uStrokeWeight * uStrokeWeight * 0.25\n ) {\n discard;\n } else if (\n uStrokeCap == STROKE_CAP_SQUARE &&\n dot(vPosition - vCenter, vTangent) > 0.\n ) {\n discard;\n }\n // Use full area for PROJECT\n } else if (vJoin > 0.) {\n if (\n uStrokeJoin == STROKE_JOIN_ROUND &&\n distSquared(vPosition, vCenter) > uStrokeWeight * uStrokeWeight * 0.25\n ) {\n discard;\n } else if (uStrokeJoin == STROKE_JOIN_BEVEL) {\n vec2 normal = vec2(-vTangent.y, vTangent.x);\n if (abs(dot(vPosition - vCenter, normal)) > vMaxDist) {\n discard;\n }\n }\n // Use full area for MITER\n }\n OUT_COLOR = vec4(vColor.rgb, 1.) * vColor.a;\n}\n",pointVert:"IN vec3 aPosition;\nuniform float uPointSize;\nOUT float vStrokeWeight;\nuniform mat4 uModelViewMatrix;\nuniform mat4 uProjectionMatrix;\nvoid main() {\n\tvec4 positionVec4 = vec4(aPosition, 1.0);\n\tgl_Position = uProjectionMatrix * uModelViewMatrix * positionVec4;\n\tgl_PointSize = uPointSize;\n\tvStrokeWeight = uPointSize;\n}\n",pointFrag:"precision mediump int;\nuniform vec4 uMaterialColor;\nIN float vStrokeWeight;\n\nvoid main(){\n float mask = 0.0;\n\n // make a circular mask using the gl_PointCoord (goes from 0 - 1 on a point)\n // might be able to get a nicer edge on big strokeweights with smoothstep but slightly less performant\n\n mask = step(0.98, length(gl_PointCoord * 2.0 - 1.0));\n\n // if strokeWeight is 1 or less lets just draw a square\n // this prevents weird artifacting from carving circles when our points are really small\n // if strokeWeight is larger than 1, we just use it as is\n\n mask = mix(0.0, mask, clamp(floor(vStrokeWeight - 0.5),0.0,1.0));\n\n // throw away the borders of the mask\n // otherwise we get weird alpha blending issues\n\n if(mask > 0.98){\n discard;\n }\n\n OUT_COLOR = vec4(uMaterialColor.rgb, 1.) * uMaterialColor.a;\n}\n",imageLightVert:"precision highp float;\nattribute vec3 aPosition;\nattribute vec3 aNormal;\nattribute vec2 aTexCoord;\n\nvarying vec3 localPos;\nvarying vec3 vWorldNormal;\nvarying vec3 vWorldPosition;\nvarying vec2 vTexCoord;\n\nuniform mat4 uModelViewMatrix;\nuniform mat4 uProjectionMatrix;\nuniform mat3 uNormalMatrix;\n\nvoid main() {\n // Multiply the position by the matrix.\n vec4 viewModelPosition = uModelViewMatrix * vec4(aPosition, 1.0);\n gl_Position = uProjectionMatrix * viewModelPosition; \n \n // orient the normals and pass to the fragment shader\n vWorldNormal = uNormalMatrix * aNormal;\n \n // send the view position to the fragment shader\n vWorldPosition = (uModelViewMatrix * vec4(aPosition, 1.0)).xyz;\n \n localPos = vWorldPosition;\n vTexCoord = aTexCoord;\n}\n\n\n/*\nin the vertex shader we'll compute the world position and world oriented normal of the vertices and pass those to the fragment shader as varyings.\n*/\n",imageLightDiffusedFrag:"precision highp float;\nvarying vec3 localPos;\n\n// the HDR cubemap converted (can be from an equirectangular environment map.)\nuniform sampler2D environmentMap;\nvarying vec2 vTexCoord;\n\nconst float PI = 3.14159265359;\n\nvec2 nTOE( vec3 v ){\n // x = r sin(phi) cos(theta) \n // y = r cos(phi) \n // z = r sin(phi) sin(theta)\n float phi = acos( v.y );\n // if phi is 0, then there are no x, z components\n float theta = 0.0;\n // else \n theta = acos(v.x / sin(phi));\n float sinTheta = v.z / sin(phi);\n if (sinTheta < 0.0) {\n // Turn it into -theta, but in the 0-2PI range\n theta = 2.0 * PI - theta;\n }\n theta = theta / (2.0 * 3.14159);\n phi = phi / 3.14159 ;\n \n vec2 angles = vec2( phi, theta );\n return angles;\n}\n\nfloat random(vec2 p) {\n vec3 p3 = fract(vec3(p.xyx) * .1031);\n p3 += dot(p3, p3.yzx + 33.33);\n return fract((p3.x + p3.y) * p3.z);\n}\n\nvoid main()\n{ \t \n\t// the sample direction equals the hemisphere's orientation\n float phi = vTexCoord.x * 2.0 * PI;\n float theta = vTexCoord.y * PI;\n float x = sin(theta) * cos(phi);\n float y = sin(theta) * sin(phi);\n float z = cos(theta);\n vec3 normal = vec3( x, y, z);\n\n\t// Discretely sampling the hemisphere given the integral's\n // spherical coordinates translates to the following fragment code:\n\tvec3 irradiance = vec3(0.0); \n\tvec3 up\t= vec3(0.0, 1.0, 0.0);\n\tvec3 right = normalize(cross(up, normal));\n\tup = normalize(cross(normal, right));\n\n\t// We specify a fixed sampleDelta delta value to traverse\n // the hemisphere; decreasing or increasing the sample delta\n // will increase or decrease the accuracy respectively.\n\tconst float sampleDelta = 0.100;\n\tfloat nrSamples = 0.0;\n float randomOffset = random(gl_FragCoord.xy) * sampleDelta;\n\tfor(float rawPhi = 0.0; rawPhi < 2.0 * PI; rawPhi += sampleDelta)\n\t{\n float phi = rawPhi + randomOffset;\n for(float rawTheta = 0.0; rawTheta < ( 0.5 ) * PI; rawTheta += sampleDelta)\n {\n float theta = rawTheta + randomOffset;\n // spherical to cartesian (in tangent space) // tangent space to world // add each sample result to irradiance\n float x = sin(theta) * cos(phi);\n float y = sin(theta) * sin(phi);\n float z = cos(theta);\n vec3 tangentSample = vec3( x, y, z);\n \n vec3 sampleVec = tangentSample.x * right + tangentSample.y * up + tangentSample.z * normal;\n irradiance += (texture2D(environmentMap, nTOE(sampleVec)).xyz) * cos(theta) * sin(theta);\n nrSamples++;\n }\n\t}\n\t// divide by the total number of samples taken, giving us the average sampled irradiance.\n\tirradiance = PI * irradiance * (1.0 / float(nrSamples )) ;\n \n \n\tgl_FragColor = vec4(irradiance, 1.0);\n}",imageLightSpecularFrag:"precision highp float;\r\nvarying vec3 localPos;\r\nvarying vec2 vTexCoord;\r\n\r\n// our texture\r\nuniform sampler2D environmentMap;\r\nuniform float roughness;\r\n\r\nconst float PI = 3.14159265359;\r\n\r\nfloat VanDerCorput(int bits);\r\nvec2 HammersleyNoBitOps(int i, int N);\r\nvec3 ImportanceSampleGGX(vec2 Xi, vec3 N, float roughness);\r\n\r\n\r\nvec2 nTOE( vec3 v ){\r\n // x = r sin(phi) cos(theta) \r\n // y = r cos(phi) \r\n // z = r sin(phi) sin(theta)\r\n float phi = acos( v.y );\r\n // if phi is 0, then there are no x, z components\r\n float theta = 0.0;\r\n // else \r\n theta = acos(v.x / sin(phi));\r\n float sinTheta = v.z / sin(phi);\r\n if (sinTheta < 0.0) {\r\n // Turn it into -theta, but in the 0-2PI range\r\n theta = 2.0 * PI - theta;\r\n }\r\n theta = theta / (2.0 * 3.14159);\r\n phi = phi / 3.14159 ;\r\n \r\n vec2 angles = vec2( phi, theta );\r\n return angles;\r\n}\r\n\r\n\r\nvoid main(){\r\n const int SAMPLE_COUNT = 400; // 4096\r\n int lowRoughnessLimit = int(pow(2.0,(roughness+0.1)*20.0));\r\n float totalWeight = 0.0;\r\n vec3 prefilteredColor = vec3(0.0);\r\n float phi = vTexCoord.x * 2.0 * PI;\r\n float theta = vTexCoord.y * PI;\r\n float x = sin(theta) * cos(phi);\r\n float y = sin(theta) * sin(phi);\r\n float z = cos(theta);\r\n vec3 N = vec3(x,y,z);\r\n vec3 V = N;\r\n for (int i = 0; i < SAMPLE_COUNT; ++i)\r\n {\r\n // break at smaller sample numbers for low roughness levels\r\n if(i == lowRoughnessLimit)\r\n {\r\n break;\r\n }\r\n vec2 Xi = HammersleyNoBitOps(i, SAMPLE_COUNT);\r\n vec3 H = ImportanceSampleGGX(Xi, N, roughness);\r\n vec3 L = normalize(2.0 * dot(V, H) * H - V);\r\n\r\n float NdotL = max(dot(N, L), 0.0);\r\n if (NdotL > 0.0)\r\n {\r\n prefilteredColor += texture2D(environmentMap, nTOE(L)).xyz * NdotL;\r\n totalWeight += NdotL;\r\n }\r\n }\r\n prefilteredColor = prefilteredColor / totalWeight;\r\n\r\n gl_FragColor = vec4(prefilteredColor, 1.0);\r\n}\r\n\r\nvec3 ImportanceSampleGGX(vec2 Xi, vec3 N, float roughness){\r\n float a = roughness * roughness;\r\n\r\n float phi = 2.0 * PI * Xi.x;\r\n float cosTheta = sqrt((1.0 - Xi.y) / (1.0 + (a * a - 1.0) * Xi.y));\r\n float sinTheta = sqrt(1.0 - cosTheta * cosTheta);\r\n // from spherical coordinates to cartesian coordinates\r\n vec3 H;\r\n H.x = cos(phi) * sinTheta;\r\n H.y = sin(phi) * sinTheta;\r\n H.z = cosTheta;\r\n\r\n // from tangent-space vector to world-space sample vector\r\n vec3 up = abs(N.z) < 0.999 ? vec3(0.0, 0.0, 1.0) : vec3(1.0, 0.0, 0.0);\r\n vec3 tangent = normalize(cross(up, N));\r\n vec3 bitangent = cross(N, tangent);\r\n\r\n vec3 sampleVec = tangent * H.x + bitangent * H.y + N * H.z;\r\n return normalize(sampleVec);\r\n}\r\n\r\n\r\nfloat VanDerCorput(int n, int base)\r\n{\r\n#ifdef WEBGL2\r\n\r\n uint bits = uint(n);\r\n bits = (bits << 16u) | (bits >> 16u);\r\n bits = ((bits & 0x55555555u) << 1u) | ((bits & 0xAAAAAAAAu) >> 1u);\r\n bits = ((bits & 0x33333333u) << 2u) | ((bits & 0xCCCCCCCCu) >> 2u);\r\n bits = ((bits & 0x0F0F0F0Fu) << 4u) | ((bits & 0xF0F0F0F0u) >> 4u);\r\n bits = ((bits & 0x00FF00FFu) << 8u) | ((bits & 0xFF00FF00u) >> 8u);\r\n return float(bits) * 2.3283064365386963e-10; // / 0x100000000\r\n\r\n#else\r\n\r\n float invBase = 1.0 / float(base);\r\n float denom = 1.0;\r\n float result = 0.0;\r\n\r\n\r\n for (int i = 0; i < 32; ++i)\r\n {\r\n if (n > 0)\r\n {\r\n denom = mod(float(n), 2.0);\r\n result += denom * invBase;\r\n invBase = invBase / 2.0;\r\n n = int(float(n) / 2.0);\r\n }\r\n }\r\n\r\n\r\n return result;\r\n\r\n#endif\r\n}\r\n\r\nvec2 HammersleyNoBitOps(int i, int N)\r\n{\r\n return vec2(float(i) / float(N), VanDerCorput(i, 2));\r\n}\r\n"},M=E.sphereMappingFrag;for(x in E)E[x]="#ifdef WEBGL2\n\n#define IN in\n#define OUT out\n\n#ifdef FRAGMENT_SHADER\nout vec4 outColor;\n#define OUT_COLOR outColor\n#endif\n#define TEXTURE texture\n\n#else\n\n#ifdef FRAGMENT_SHADER\n#define IN varying\n#else\n#define IN attribute\n#endif\n#define OUT varying\n#define TEXTURE texture2D\n\n#ifdef FRAGMENT_SHADER\n#define OUT_COLOR gl_FragColor\n#endif\n\n#endif\n"+E[x];j(e={},l.GRAY,"precision highp float;\n\nvarying vec2 vTexCoord;\n\nuniform sampler2D tex0;\n\nfloat luma(vec3 color) {\n // weighted grayscale with luminance values\n return dot(color, vec3(0.2126, 0.7152, 0.0722));\n}\n\nvoid main() {\n vec4 tex = texture2D(tex0, vTexCoord);\n float gray = luma(tex.rgb);\n gl_FragColor = vec4(gray, gray, gray, tex.a);\n}\n"),j(e,l.ERODE,"// Reduces the bright areas in an image\n\nprecision highp float;\n\nvarying vec2 vTexCoord;\n\nuniform sampler2D tex0;\nuniform vec2 texelSize;\n\nfloat luma(vec3 color) {\n // weighted grayscale with luminance values\n // weights 77, 151, 28 taken from src/image/filters.js\n return dot(color, vec3(0.300781, 0.589844, 0.109375));\n}\n\nvoid main() {\n vec4 color = texture2D(tex0, vTexCoord);\n float lum = luma(color.rgb);\n\n // set current color as the darkest neighbor color\n\n vec4 neighbors[4];\n neighbors[0] = texture2D(tex0, vTexCoord + vec2( texelSize.x, 0.0));\n neighbors[1] = texture2D(tex0, vTexCoord + vec2(-texelSize.x, 0.0));\n neighbors[2] = texture2D(tex0, vTexCoord + vec2(0.0, texelSize.y));\n neighbors[3] = texture2D(tex0, vTexCoord + vec2(0.0, -texelSize.y));\n\n for (int i = 0; i < 4; i++) {\n vec4 neighborColor = neighbors[i];\n float neighborLum = luma(neighborColor.rgb);\n\n if (neighborLum < lum) {\n color = neighborColor;\n lum = neighborLum;\n }\n }\n\n gl_FragColor = color;\n}\n"),j(e,l.DILATE,"// Increase the bright areas in an image\n\nprecision highp float;\n\nvarying vec2 vTexCoord;\n\nuniform sampler2D tex0;\nuniform vec2 texelSize;\n\nfloat luma(vec3 color) {\n // weighted grayscale with luminance values\n // weights 77, 151, 28 taken from src/image/filters.js\n return dot(color, vec3(0.300781, 0.589844, 0.109375));\n}\n\nvoid main() {\n vec4 color = texture2D(tex0, vTexCoord);\n float lum = luma(color.rgb);\n\n // set current color as the brightest neighbor color\n\n vec4 neighbors[4];\n neighbors[0] = texture2D(tex0, vTexCoord + vec2( texelSize.x, 0.0));\n neighbors[1] = texture2D(tex0, vTexCoord + vec2(-texelSize.x, 0.0));\n neighbors[2] = texture2D(tex0, vTexCoord + vec2(0.0, texelSize.y));\n neighbors[3] = texture2D(tex0, vTexCoord + vec2(0.0, -texelSize.y));\n\n for (int i = 0; i < 4; i++) {\n vec4 neighborColor = neighbors[i];\n float neighborLum = luma(neighborColor.rgb);\n\n if (neighborLum > lum) {\n color = neighborColor;\n lum = neighborLum;\n }\n }\n\n gl_FragColor = color;\n}\n"),j(e,l.BLUR,"precision highp float;\n\n// Two-pass blur filter, unweighted kernel.\n// See also a similar blur at Adam Ferriss' repo of shader examples:\n// https://github.com/aferriss/p5jsShaderExamples/blob/gh-pages/4_image-effects/4-9_single-pass-blur/effect.frag\n\n\nuniform sampler2D tex0;\nvarying vec2 vTexCoord;\nuniform vec2 direction;\nuniform vec2 canvasSize;\nuniform float radius;\n\nfloat random(vec2 p) {\n vec3 p3 = fract(vec3(p.xyx) * .1031);\n p3 += dot(p3, p3.yzx + 33.33);\n return fract((p3.x + p3.y) * p3.z);\n}\n\n// This isn't a real Gaussian weight, it's a quadratic weight. It's what the\n// CPU mode's blur uses though, so we also use it here to match.\nfloat quadWeight(float x, float e) {\n return pow(e-abs(x), 2.);\n}\n\nvoid main(){\n vec2 uv = vTexCoord;\n\n // A reasonable maximum number of samples\n const float maxSamples = 64.0;\n\n float numSamples = floor(7. * radius);\n if (fract(numSamples / 2.) == 0.) {\n numSamples++;\n }\n vec4 avg = vec4(0.0);\n float total = 0.0;\n\n // Calculate the spacing to avoid skewing if numSamples > maxSamples\n float spacing = 1.0;\n if (numSamples > maxSamples) {\n spacing = numSamples / maxSamples;\n numSamples = maxSamples;\n }\n\n float randomOffset = (spacing - 1.0) * mix(-0.5, 0.5, random(gl_FragCoord.xy));\n for (float i = 0.0; i < maxSamples; i++) {\n if (i >= numSamples) break;\n\n float sample = i * spacing - (numSamples - 1.0) * 0.5 * spacing + randomOffset;\n vec2 sampleCoord = uv + vec2(sample, sample) / canvasSize * direction;\n float weight = quadWeight(sample, (numSamples - 1.0) * 0.5 * spacing);\n\n avg += weight * texture2D(tex0, sampleCoord);\n total += weight;\n }\n\n avg /= total;\n gl_FragColor = avg;\n}\n"),j(e,l.POSTERIZE,"// Limit color space for a stylized cartoon / poster effect\n\nprecision highp float;\n\nvarying vec2 vTexCoord;\n\nuniform sampler2D tex0;\nuniform float filterParameter;\n\nvec3 quantize(vec3 color, float n) {\n // restrict values to N options/bins\n // and floor each channel to nearest value\n //\n // eg. when N = 5, values = 0.0, 0.25, 0.50, 0.75, 1.0\n // then quantize (0.1, 0.7, 0.9) -> (0.0, 0.5, 1.0)\n\n color = color * n;\n color = floor(color);\n color = color / (n - 1.0);\n return color;\n}\n\nvoid main() {\n vec4 color = texture2D(tex0, vTexCoord);\n\n vec3 restrictedColor = quantize(color.rgb / color.a, filterParameter);\n\n gl_FragColor = vec4(restrictedColor.rgb * color.a, color.a);\n}\n"),j(e,l.OPAQUE,"// Set alpha channel to entirely opaque\n\nprecision highp float;\n\nvarying vec2 vTexCoord;\n\nuniform sampler2D tex0;\n\nvoid main() {\n vec4 color = texture2D(tex0, vTexCoord);\n gl_FragColor = vec4(color.rgb / color.a, 1.0);\n}\n"),j(e,l.INVERT,"// Set each pixel to inverse value\n// Note that original INVERT does not change the opacity, so this follows suit\n\nprecision highp float;\n\nvarying vec2 vTexCoord;\n\nuniform sampler2D tex0;\n\nvoid main() {\nvec4 color = texture2D(tex0, vTexCoord);\nvec3 origColor = color.rgb / color.a;\nvec3 invertedColor = vec3(1.0) - origColor;\ngl_FragColor = vec4(invertedColor * color.a, color.a);\n}\n"),j(e,l.THRESHOLD,"// Convert pixels to either white or black, \n// depending on if their luma is above or below filterParameter\n\nprecision highp float;\n\nvarying vec2 vTexCoord;\n\nuniform sampler2D tex0;\nuniform float filterParameter;\n\nfloat luma(vec3 color) {\n // weighted grayscale with luminance values\n return dot(color, vec3(0.2126, 0.7152, 0.0722));\n}\n\nvoid main() {\n vec4 color = texture2D(tex0, vTexCoord);\n float gray = luma(color.rgb / color.a);\n // floor() used to match src/image/filters.js\n float threshold = floor(filterParameter * 255.0) / 255.0;\n float blackOrWhite = step(threshold, gray);\n gl_FragColor = vec4(vec3(blackOrWhite) * color.a, color.a);\n}\n");var k=e;function O(e,t,r,o,n,s,i,a,l,u){var c=t.getParameter(t.FRAMEBUFFER_BINDING),r=(t.bindFramebuffer(t.FRAMEBUFFER,r),a===t.RGBA?4:3),d=s*i*r,h=l===t.UNSIGNED_BYTE?Uint8Array:Float32Array;if(e instanceof h&&e.length===d||(e=new h(d)),t.readPixels(o,u?u-n-i:n,s,i,a,l,e),t.bindFramebuffer(t.FRAMEBUFFER,c),u)for(var f=Math.floor(i/2),p=new h(s*r),m=0;m>7,127&d,c>>7,127&c);for(var h=0;h>7,127&f,0,0)}}return{cellImageInfo:a,dimOffset:t,dimImageInfo:n}}}}]),t}();B.default.RendererGL.prototype._renderText=function(e,t,r,o,n){if(this._textFont&&"string"!=typeof this._textFont){if(!(n<=o)&&this._doFill){if(this._isOpenType()){e.push();var n=this._doStroke,s=this.drawMode,i=(this._doStroke=!1,this.drawMode=E.TEXTURE,this._textFont.font),a=(a=this._textFont._fontInfo)||(this._textFont._fontInfo=new M(i)),r=this._textFont._handleAlignment(this,t,r,o),o=this._textSize/i.unitsPerEm,l=(this.translate(r.x,r.y,0),this.scale(o,o,1),this.GL),r=!this._defaultFontShader,u=this._getFontShader(),c=(u.init(),u.bindShader(),r&&(u.setUniform("uGridImageSize",[64,64]),u.setUniform("uCellsImageSize",[64,64]),u.setUniform("uStrokeImageSize",[64,64]),u.setUniform("uGridSize",[9,9])),this._applyColorBlend(this.curFillColor),this.retainedMode.geometry.glyph),d=(c||((o=this._textGeom=new B.default.Geometry(1,1,function(){for(var e=0;e<=1;e++)for(var t=0;t<=1;t++)this.vertices.push(new B.default.Vector(t,e,0)),this.uvs.push(t,e)})).computeFaces().computeNormals(),c=this.createBuffers("glyph",o)),!0),r=!1,o=void 0;try{for(var h,f=this.retainedMode.buffers.text[Symbol.iterator]();!(d=(h=f.next()).done);d=!0)h.value._prepareBuffer(c,u)}catch(e){r=!0,o=e}finally{try{d||null==f.return||f.return()}finally{if(r)throw o}}this._bindBuffer(c.indexBuffer,l.ELEMENT_ARRAY_BUFFER),u.setUniform("uMaterialColor",this.curFillColor),l.pixelStorei(l.UNPACK_PREMULTIPLY_ALPHA_WEBGL,!1);try{var p=0,m=null,y=i.stringToGlyphs(t),g=!0,v=!1,b=void 0;try{for(var j,_=y[Symbol.iterator]();!(g=(j=_.next()).done);g=!0){var x,w,S=j.value,T=(m&&(p+=i.getKerningValue(m,S)),a.getGlyphInfo(S));T.uGlyphRect&&(x=T.rowInfo,w=T.colInfo,u.setUniform("uSamplerStrokes",T.strokeImageInfo.imageData),u.setUniform("uSamplerRowStrokes",x.cellImageInfo.imageData),u.setUniform("uSamplerRows",x.dimImageInfo.imageData),u.setUniform("uSamplerColStrokes",w.cellImageInfo.imageData),u.setUniform("uSamplerCols",w.dimImageInfo.imageData),u.setUniform("uGridOffset",T.uGridOffset),u.setUniform("uGlyphRect",T.uGlyphRect),u.setUniform("uGlyphOffset",p),u.bindTextures(),l.drawElements(l.TRIANGLES,6,this.GL.UNSIGNED_SHORT,0)),p+=S.advanceWidth,m=S}}catch(e){v=!0,b=e}finally{try{g||null==_.return||_.return()}finally{if(v)throw b}}}finally{u.unbindShader(),this._doStroke=n,this.drawMode=s,l.pixelStorei(l.UNPACK_PREMULTIPLY_ALPHA_WEBGL,!0),e.pop()}}else console.log("WEBGL: only Opentype (.otf) and Truetype (.ttf) fonts are supported");return e}}else console.log("WEBGL: you must load and set a font before drawing text. See `loadFont` and `textFont` for more details.")}},{"../core/constants":272,"../core/main":283,"./p5.RendererGL.Retained":340,"./p5.Shader":342,"core-js/modules/es.array.iterator":165,"core-js/modules/es.object.get-own-property-descriptor":186,"core-js/modules/es.object.to-string":190,"core-js/modules/es.regexp.exec":195,"core-js/modules/es.string.iterator":200,"core-js/modules/es.string.split":206,"core-js/modules/es.string.sub":208,"core-js/modules/es.symbol":212,"core-js/modules/es.symbol.description":210,"core-js/modules/es.symbol.iterator":211,"core-js/modules/es.weak-map":244,"core-js/modules/web.dom-collections.iterator":246}]},{},[267])(267)}); \ No newline at end of file diff --git a/examples/pixel-manipulation/02-chromatic-grain/lib/p5.grain.min.js b/examples/pixel-manipulation/02-chromatic-grain/lib/p5.grain.min.js index 5f132fa..bdb8a1b 100644 --- a/examples/pixel-manipulation/02-chromatic-grain/lib/p5.grain.min.js +++ b/examples/pixel-manipulation/02-chromatic-grain/lib/p5.grain.min.js @@ -1,8 +1,8 @@ /**! * p5.grain * - * @version 0.7.0 + * @version 0.8.0 * @license MIT * @copyright meezwhite, Gorilla Sun */ -class P5Grain{version="0.7.0";instance;#t;#i;#n;constructor(){this.#t=Math.random,this.#i={frameCount:0},this.#n={frameCount:0,tX_anchor:0,tX:0,tY:0}}setup(t){void 0===t?this.#t=random:"object"==typeof t&&("function"==typeof t.random&&(this.#t=t.random),"object"==typeof t.instance&&(this.instance=t.instance))}granulateSimple(t,i,n){this.applyMonochromaticGrain(t,i,n)}applyMonochromaticGrain(t,i,n){const e=this.instance?this.instance.round(t):round(t),a=i||!1;n?n.loadPixels():this.instance?this.instance.loadPixels():loadPixels();const s=n?n.pixelDensity():this.instance?this.instance.pixelDensity():pixelDensity(),r=(n?n.width:this.instance?this.instance.width:width)*s*4*((n?n.height:this.instance?this.instance.height:height)*s),h=n?n.pixels:this.instance?this.instance.pixels:pixels;for(let t=0;t=n){const n=i&&i.amount?this.instance?this.instance.round(i.amount):round(i.amount):this.instance?this.instance.min(this.instance.width,this.instance.height):min(width,height),e=this.#t()*n,a=this.#t()*n,s=this.instance?this.instance.floor(e):floor(e),r=this.instance?this.instance.floor(a):floor(a),h=`${s}px ${r}px`;t instanceof HTMLElement?t.style.backgroundPosition=h:t instanceof SVGElement?(t.style.top=-r+"px",t.style.left=-s+"px"):t instanceof p5.Element&&t.style("background-position",h),this.#i.frameCount=0}}textureOverlay(t,i,n){const e=n instanceof p5.Graphics,a=e?n.width:this.instance?this.instance.width:width,s=e?n.height:this.instance?this.instance.height:height,r=i&&i.mode?i.mode:this.instance?this.instance.MULTIPLY:MULTIPLY,h=!(!i||!i.reflect)&&i.reflect,o=!(!i||!i.animate)&&i.animate,c=i&&i.animate&&i.animate.atFrame?this.instance?this.instance.round(i.animate.atFrame):round(i.animate.atFrame):2,l=i&&i.animate&&i.animate.amount?this.instance?this.instance.round(i.animate.amount):round(i.animate.amount):this.instance?this.instance.min(a,s):min(a,s),p=i&&"number"==typeof i.width?i.width:t.width,u=i&&"number"==typeof i.height?i.height:t.height;if(o&&(this.#n.frameCount+=1,this.#n.frameCount>=c)){const t=this.#t()*l,i=this.#t()*l;this.#n.tX_anchor=this.instance?-this.instance.floor(t):-floor(t),this.#n.tY=this.instance?-this.instance.floor(i):-floor(i),this.#n.frameCount=0}let m=this.#n.tX_anchor,d=this.#n.tY,x=!0,g=!0;for(n?n.blendMode(r):this.instance?this.instance.blendMode(r):blendMode(r);d=a){g=!0,m=this.#n.tX_anchor,d+=u;break}g=!g}x=!x}n?n.blendMode(this.instance?this.instance.BLEND:BLEND):this.instance?this.instance.blendMode(this.instance.BLEND):blendMode(BLEND),e&&n.reset()}#e(t,i){return t=Math.ceil(t),i=Math.floor(i),Math.floor(this.#t()*(i-t+1)+t)}}const p5grain=new P5Grain;p5.prototype.granulateSimple=function(t,i){return p5grain.granulateSimple(t,i)},p5.Graphics.prototype.granulateSimple=function(t,i){return p5grain.granulateSimple(t,i,this)},p5.prototype.granulateChannels=function(t,i){return p5grain.granulateChannels(t,i)},p5.Graphics.prototype.granulateChannels=function(t,i){return p5grain.granulateChannels(t,i,this)},p5.prototype.applyMonochromaticGrain=function(t,i){return p5grain.applyMonochromaticGrain(t,i)},p5.Graphics.prototype.applyMonochromaticGrain=function(t,i){return p5grain.applyMonochromaticGrain(t,i,this)},p5.prototype.applyChromaticGrain=function(t,i){return p5grain.applyChromaticGrain(t,i)},p5.Graphics.prototype.applyChromaticGrain=function(t,i){return p5grain.applyChromaticGrain(t,i,this)},p5.prototype.tinkerPixels=function(t,i){return p5grain.tinkerPixels(t,i)},p5.Graphics.prototype.tinkerPixels=function(t,i){return p5grain.tinkerPixels(t,i,this)},p5.prototype.loopPixels=function(t,i){return p5grain.loopPixels(t,i)},p5.Graphics.prototype.loopPixels=function(t,i){return p5grain.loopPixels(t,i,this)},p5.prototype.textureAnimate=function(t,i){return p5grain.textureAnimate(t,i)},p5.prototype.textureOverlay=function(t,i){return p5grain.textureOverlay(t,i)},p5.Graphics.prototype.textureOverlay=function(t,i){return p5grain.textureOverlay(t,i,this)}; +class P5Grain{version="0.8.0";instance;#t;#i;#e;#n;#a;constructor(){this.#s("float"),this.#n={frameCount:0},this.#a={frameCount:0,tX_anchor:0,tX:0,tY:0}}setup(t){"object"==typeof t&&("function"==typeof t.random&&(this.#t=t.random),"string"==typeof t.randomMode&&this.#s(t.randomMode),"object"==typeof t.instance&&(this.instance=t.instance)),void 0===this.#t&&(this.#t=p5.prototype.random)}applyMonochromaticGrain(t,i,e){const n=i||!1;let a,s,r,o;e?(e.loadPixels(),a=e.pixelDensity(),s=e.width,r=e.height,o=e.pixels):this.instance?(this.instance.loadPixels(),a=this.instance.pixelDensity(),s=this.instance.width,r=this.instance.height,o=this.instance.pixels):(loadPixels(),a=pixelDensity(),s=width,r=height,o=pixels);const h=s*a*4*(r*a),{min:p,max:c}=this.#r(-t,t);for(let t=0;t=e){const e=i&&i.amount?Math.round(i.amount):this.instance?Math.min(this.instance.width,this.instance.height):Math.min(width,height),n=this.#t()*e,a=this.#t()*e,s=Math.floor(n),r=Math.floor(a),o=`${s}px ${r}px`;t instanceof HTMLElement?t.style.backgroundPosition=o:t instanceof SVGElement?(t.style.top=-r+"px",t.style.left=-s+"px"):t instanceof p5.Element&&t.style("background-position",o),this.#n.frameCount=0}}textureOverlay(t,i,e){const n=e instanceof p5.Graphics;let a,s;n?(a=e.width,s=e.height):this.instance?(a=this.instance.width,s=this.instance.height):(a=width,s=height);const r=i&&i.mode?i.mode:this.instance?this.instance.MULTIPLY:MULTIPLY,o=!(!i||!i.reflect)&&i.reflect,h=!(!i||!i.animate)&&i.animate,p=i&&i.animate&&i.animate.atFrame?Math.round(i.animate.atFrame):2,c=i&&i.animate&&i.animate.amount?Math.round(i.animate.amount):Math.min(a,s),l=i&&"number"==typeof i.width?i.width:t.width,m=i&&"number"==typeof i.height?i.height:t.height;if(h&&(this.#a.frameCount+=1,this.#a.frameCount>=p)){const t=this.#t()*c,i=this.#t()*c;this.#a.tX_anchor=-Math.floor(t),this.#a.tY=-Math.floor(i),this.#a.frameCount=0}let d=this.#a.tX_anchor,u=this.#a.tY,x=!0,y=!0;for(e?e.blendMode(r):this.instance?this.instance.blendMode(r):blendMode(r);u=a){y=!0,d=this.#a.tX_anchor,u+=m;break}y=!y}x=!x}e?e.blendMode(this.instance?this.instance.BLEND:BLEND):this.instance?this.instance.blendMode(this.instance.BLEND):blendMode(BLEND),n&&e.reset()}#s(t){switch(t){case"int":this.#e=1,this.#i=this.#o;break;case"float":this.#e=0,this.#i=this.#h}}#r(t,i){return 1==this.#e?{min:Math.ceil(t),max:Math.floor(i)}:{min:t,max:i}}#o(t,i){return Math.floor(this.#t()*(i-t+1)+t)}#h(t,i){return this.#t()*(i-t)+t}}const p5grain=new P5Grain;p5.prototype.applyMonochromaticGrain=function(t,i){return p5grain.applyMonochromaticGrain(t,i)},p5.Graphics.prototype.applyMonochromaticGrain=function(t,i){return p5grain.applyMonochromaticGrain(t,i,this)},p5.Image.prototype.applyMonochromaticGrain=function(t,i){return p5grain.applyMonochromaticGrain(t,i,this)},p5.prototype.applyChromaticGrain=function(t,i){return p5grain.applyChromaticGrain(t,i)},p5.Graphics.prototype.applyChromaticGrain=function(t,i){return p5grain.applyChromaticGrain(t,i,this)},p5.Image.prototype.applyChromaticGrain=function(t,i){return p5grain.applyChromaticGrain(t,i,this)},p5.prototype.tinkerPixels=function(t,i){return p5grain.tinkerPixels(t,i)},p5.Graphics.prototype.tinkerPixels=function(t,i){return p5grain.tinkerPixels(t,i,this)},p5.Image.prototype.tinkerPixels=function(t,i){return p5grain.tinkerPixels(t,i,this)},p5.prototype.loopPixels=function(t,i){return p5grain.loopPixels(t,i)},p5.Graphics.prototype.loopPixels=function(t,i){return p5grain.loopPixels(t,i,this)},p5.Image.prototype.loopPixels=function(t,i){return p5grain.loopPixels(t,i,this)},p5.prototype.textureAnimate=function(t,i){return p5grain.textureAnimate(t,i)},p5.prototype.textureOverlay=function(t,i){return p5grain.textureOverlay(t,i)},p5.Graphics.prototype.textureOverlay=function(t,i){return p5grain.textureOverlay(t,i,this)}; diff --git 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                                              Grid Output

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e=this.canvas.id;JSON.stringify(this.ingredients.shapes)!==this.ingredients.pShapes&&(this.ingredients.pShapes=JSON.stringify(this.ingredients.shapes),this._accessibleOutputs.text&&this._updateTextOutput(e+"textOutput"),this._accessibleOutputs.grid&&this._updateGridOutput(e+"gridOutput"),this._accessibleOutputs.textLabel&&this._updateTextOutput(e+"textOutputLabel"),this._accessibleOutputs.gridLabel&&this._updateGridOutput(e+"gridOutputLabel"))},o.default.prototype._accsBackground=function(e){this.ingredients.pShapes=JSON.stringify(this.ingredients.shapes),this.ingredients.shapes={},this.ingredients.colors.backgroundRGBA!==e&&(this.ingredients.colors.backgroundRGBA=e,this.ingredients.colors.background=this._rgbColorName(e))},o.default.prototype._accsCanvasColors=function(e,t){"fill"===e?this.ingredients.colors.fillRGBA!==t&&(this.ingredients.colors.fillRGBA=t,this.ingredients.colors.fill=this._rgbColorName(t)):"stroke"===e&&this.ingredients.colors.strokeRGBA!==t&&(this.ingredients.colors.strokeRGBA=t,this.ingredients.colors.stroke=this._rgbColorName(t))},o.default.prototype._accsOutput=function(e,t){"ellipse"===e&&t[2]===t[3]?e="circle":"rectangle"===e&&t[2]===t[3]&&(e="square");var r,o,n={},s=!0,i=function(e,t){var r;e="rectangle"===e||"ellipse"===e||"arc"===e||"circle"===e||"square"===e?(r=Math.round(t[0]+t[2]/2),Math.round(t[1]+t[3]/2)):"triangle"===e?(r=(t[0]+t[2]+t[4])/3,(t[1]+t[3]+t[5])/3):"quadrilateral"===e?(r=(t[0]+t[2]+t[4]+t[6])/4,(t[1]+t[3]+t[5]+t[7])/4):"line"===e?(r=(t[0]+t[2])/2,(t[1]+t[3])/2):(r=t[0],t[1]);return[r,e]}(e,t);if("line"===e?(n.color=this.ingredients.colors.stroke,n.length=Math.round(this.dist(t[0],t[1],t[2],t[3])),r=this._getPos(t[0],[1]),o=this._getPos(t[2],[3]),n.loc=u(i,this.width,this.height),n.pos=r===o?"at ".concat(r):"from ".concat(r," to ").concat(o)):("point"===e?n.color=this.ingredients.colors.stroke:(n.color=this.ingredients.colors.fill,n.area=this._getArea(e,t)),n.pos=this._getPos.apply(this,l(i)),n.loc=u(i,this.width,this.height)),this.ingredients.shapes[e]){if(this.ingredients.shapes[e]!==[n]){for(var a in this.ingredients.shapes[e])JSON.stringify(this.ingredients.shapes[e][a])===JSON.stringify(n)&&(s=!1);!0===s&&this.ingredients.shapes[e].push(n)}}else this.ingredients.shapes[e]=[n]},o.default.prototype._getPos=function(e,t){var e=new DOMPointReadOnly(e,t),t=this._renderer.isP3D?new DOMMatrix(this._renderer.uMVMatrix.mat4):this.drawingContext.getTransform(),e=e.matrixTransform(t),t=e.x,e=e.y,r=this.width,o=this.height;return t<.4*r?e<.4*o?"top left":.6*oMath.PI?n+=o:n-=o)):"ellipse"===e||"circle"===e?n=3.14*t[2]/2*t[3]/2:"line"===e||"point"===e?n=0:"quadrilateral"===e?n=Math.abs((t[6]+t[0])*(t[7]-t[1])+(t[0]+t[2])*(t[1]-t[3])+(t[2]+t[4])*(t[3]-t[5])+(t[4]+t[6])*(t[5]-t[7]))/2:"rectangle"===e||"square"===e?n=t[2]*t[3]:"triangle"===e&&(n=Math.abs(t[0]*(t[3]-t[5])+t[2]*(t[5]-t[1])+t[4]*(t[1]-t[3]))/2),this.width*this._pixelDensity),i=this.height*this._pixelDensity,a=[new DOMPoint(0,0),new DOMPoint(s,0),new DOMPoint(s,i),new DOMPoint(0,i)],l=(this._renderer.isP3D?new 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strict";e("core-js/modules/es.array.concat"),e("core-js/modules/es.array.concat"),Object.defineProperty(r,"__esModule",{value:!0}),r.default=void 0;e=(e=e("../core/main"))&&e.__esModule?e:{default:e};e.default.prototype._updateTextOutput=function(e){var t,r,o,n;this.dummyDOM.querySelector("#".concat(e,"_summary"))&&(t=this._accessibleOutputs[e],o=function(e,t,r,o){r="Your output is a, ".concat(r," by ").concat(o," pixels, ").concat(t," canvas containing the following");r=1===e?"".concat(r," shape:"):"".concat(r," ").concat(e," shapes:");return r}((r=function(e,t){var r,o="",n=0;for(r in t)for(var s in t[r]){var i='
                                              • ').concat(t[r][s].color," ").concat(r,"");"line"===r?i+=", ".concat(t[r][s].pos,", ").concat(t[r][s].length," pixels long.
                                                • "):(i+=", at ".concat(t[r][s].pos),"point"!==r&&(i+=", covering ".concat(t[r][s].area,"% of the canvas")),i+="."),o+=i,n++}return{numShapes:n,listShapes:o}}(e,this.ingredients.shapes)).numShapes,this.ingredients.colors.background,this.width,this.height),n=function(e,t){var r,o="",n=0;for(r in t)for(var s in t[r]){var i='').concat(t[r][s].color," ").concat(r,"");"line"===r?i+="location = ".concat(t[r][s].pos,"length = ").concat(t[r][s].length," pixels"):(i+="location = ".concat(t[r][s].pos,""),"point"!==r&&(i+=" area = ".concat(t[r][s].area,"%")),i+=""),o+=i,n++}return o}(e,this.ingredients.shapes),o!==t.summary.innerHTML&&(t.summary.innerHTML=o),r.listShapes!==t.list.innerHTML&&(t.list.innerHTML=r.listShapes),n!==t.shapeDetails.innerHTML&&(t.shapeDetails.innerHTML=n),this._accessibleOutputs[e]=t)};e=e.default;r.default=e},{"../core/main":275,"core-js/modules/es.array.concat":151}],259:[function(e,t,r){"use strict";var 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curve (after t1)?\n if (y1 ? !y2 : y0) {\n // add the coverage for t1\n coverage.x += saturate(C1.x + 0.5);\n // calculate the anti-aliasing for t1\n weight.x = min(weight.x, abs(C1.x));\n }\n\n // are we outside the curve (after t2)?\n if (y1 ? !y0 : y2) {\n // subtract the coverage for t2\n coverage.x -= saturate(C2.x + 0.5);\n // calculate the anti-aliasing for t2\n weight.x = min(weight.x, abs(C2.x));\n }\n}\n\n// this is essentially the same as coverageX, but with the axes swapped\nvoid coverageY(vec2 p0, vec2 p1, vec2 p2) {\n\n vec2 C1, C2;\n calulateCrossings(p0, p1, p2, C1, C2);\n\n bool x0 = p0.x > vTexCoord.x;\n bool x1 = p1.x > vTexCoord.x;\n bool x2 = p2.x > vTexCoord.x;\n\n if (x1 ? !x2 : x0) {\n coverage.y -= saturate(C1.y + 0.5);\n weight.y = min(weight.y, abs(C1.y));\n }\n\n if (x1 ? !x0 : x2) {\n coverage.y += saturate(C2.y + 0.5);\n weight.y = min(weight.y, abs(C2.y));\n }\n}\n\nvoid main() {\n\n // calculate the pixel scale based on screen-coordinates\n pixelScale = hardness / fwidth(vTexCoord);\n\n // which grid cell is this pixel in?\n ivec2 gridCoord = ifloor(vTexCoord * vec2(uGridSize));\n\n // intersect curves in this row\n {\n // the index into the row info bitmap\n int rowIndex = gridCoord.y + uGridOffset.y;\n // fetch the info texel\n vec4 rowInfo = getTexel(uSamplerRows, rowIndex, uGridImageSize);\n // unpack the rowInfo\n int rowStrokeIndex = getInt16(rowInfo.xy);\n int rowStrokeCount = getInt16(rowInfo.zw);\n\n for (int iRowStroke = INT(0); iRowStroke < N; iRowStroke++) {\n if (iRowStroke >= rowStrokeCount)\n break;\n\n // each stroke is made up of 3 points: the start and control point\n // and the start of the next curve.\n // fetch the indices of this pair of strokes:\n vec4 strokeIndices = getTexel(uSamplerRowStrokes, rowStrokeIndex++, uCellsImageSize);\n\n // unpack the stroke index\n int strokePos = getInt16(strokeIndices.xy);\n\n // fetch the two strokes\n vec4 stroke0 = getTexel(uSamplerStrokes, strokePos + INT(0), uStrokeImageSize);\n vec4 stroke1 = getTexel(uSamplerStrokes, strokePos + INT(1), uStrokeImageSize);\n\n // calculate the coverage\n coverageX(stroke0.xy, stroke0.zw, stroke1.xy);\n }\n }\n\n // intersect curves in this column\n {\n int colIndex = gridCoord.x + uGridOffset.x;\n vec4 colInfo = getTexel(uSamplerCols, colIndex, uGridImageSize);\n int colStrokeIndex = getInt16(colInfo.xy);\n int colStrokeCount = getInt16(colInfo.zw);\n \n for (int iColStroke = INT(0); iColStroke < N; iColStroke++) {\n if (iColStroke >= colStrokeCount)\n break;\n\n vec4 strokeIndices = getTexel(uSamplerColStrokes, colStrokeIndex++, uCellsImageSize);\n\n int strokePos = getInt16(strokeIndices.xy);\n vec4 stroke0 = getTexel(uSamplerStrokes, strokePos + INT(0), uStrokeImageSize);\n vec4 stroke1 = getTexel(uSamplerStrokes, strokePos + INT(1), uStrokeImageSize);\n coverageY(stroke0.xy, stroke0.zw, stroke1.xy);\n }\n }\n\n weight = saturate(1.0 - weight * 2.0);\n float distance = max(weight.x + weight.y, minDistance); // manhattan approx.\n float antialias = abs(dot(coverage, weight) / distance);\n float cover = min(abs(coverage.x), abs(coverage.y));\n OUT_COLOR = vec4(uMaterialColor.rgb, 1.) * uMaterialColor.a;\n OUT_COLOR *= saturate(max(antialias, cover));\n}\n",lineVert:T+"/*\n Part of the Processing project - http://processing.org\n Copyright (c) 2012-15 The Processing Foundation\n Copyright (c) 2004-12 Ben Fry and Casey Reas\n Copyright (c) 2001-04 Massachusetts Institute of Technology\n This library is free software; you can redistribute it and/or\n modify it under the terms of the GNU Lesser General Public\n License as published by the Free Software Foundation, version 2.1.\n This library is distributed in the hope that it will be useful,\n but WITHOUT ANY WARRANTY; without even the implied warranty of\n MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU\n Lesser General Public License for more details.\n You should have received a copy of the GNU Lesser General\n Public License along with this library; if not, write to the\n Free Software Foundation, Inc., 59 Temple Place, Suite 330,\n Boston, MA 02111-1307 USA\n*/\n\n#define PROCESSING_LINE_SHADER\n\nprecision mediump int;\n\nuniform mat4 uModelViewMatrix;\nuniform mat4 uProjectionMatrix;\nuniform float uStrokeWeight;\n\nuniform bool uUseLineColor;\nuniform vec4 uMaterialColor;\n\nuniform vec4 uViewport;\nuniform int uPerspective;\nuniform int uStrokeJoin;\n\nIN vec4 aPosition;\nIN vec3 aTangentIn;\nIN vec3 aTangentOut;\nIN float aSide;\nIN vec4 aVertexColor;\n\nOUT vec4 vColor;\nOUT vec2 vTangent;\nOUT vec2 vCenter;\nOUT vec2 vPosition;\nOUT float vMaxDist;\nOUT float vCap;\nOUT float vJoin;\n\nvec2 lineIntersection(vec2 aPoint, vec2 aDir, vec2 bPoint, vec2 bDir) {\n // Rotate and translate so a starts at the origin and goes out to the right\n bPoint -= aPoint;\n vec2 rotatedBFrom = vec2(\n bPoint.x*aDir.x + bPoint.y*aDir.y,\n bPoint.y*aDir.x - bPoint.x*aDir.y\n );\n vec2 bTo = bPoint + bDir;\n vec2 rotatedBTo = vec2(\n bTo.x*aDir.x + bTo.y*aDir.y,\n bTo.y*aDir.x - bTo.x*aDir.y\n );\n float intersectionDistance =\n rotatedBTo.x + (rotatedBFrom.x - rotatedBTo.x) * rotatedBTo.y /\n (rotatedBTo.y - rotatedBFrom.y);\n return aPoint + aDir * intersectionDistance;\n}\n\nvoid main() {\n // Caps have one of either the in or out tangent set to 0\n vCap = (aTangentIn == vec3(0.)) != (aTangentOut == (vec3(0.)))\n ? 1. : 0.;\n\n // Joins have two unique, defined tangents\n vJoin = (\n aTangentIn != vec3(0.) &&\n aTangentOut != vec3(0.) &&\n aTangentIn != aTangentOut\n ) ? 1. : 0.;\n\n vec4 posp = uModelViewMatrix * aPosition;\n vec4 posqIn = uModelViewMatrix * (aPosition + vec4(aTangentIn, 0));\n vec4 posqOut = uModelViewMatrix * (aPosition + vec4(aTangentOut, 0));\n\n float facingCamera = pow(\n // The word space tangent's z value is 0 if it's facing the camera\n abs(normalize(posqIn-posp).z),\n\n // Using pow() here to ramp `facingCamera` up from 0 to 1 really quickly\n // so most lines get scaled and don't get clipped\n 0.25\n );\n\n // using a scale <1 moves the lines towards the camera\n // in order to prevent popping effects due to half of\n // the line disappearing behind the geometry faces.\n float scale = mix(1., 0.995, facingCamera);\n\n // Moving vertices slightly toward the camera\n // to avoid depth-fighting with the fill triangles.\n // Discussed here:\n // http://www.opengl.org/discussion_boards/ubbthreads.php?ubb=showflat&Number=252848 \n posp.xyz = posp.xyz * scale;\n posqIn.xyz = posqIn.xyz * scale;\n posqOut.xyz = posqOut.xyz * scale;\n\n vec4 p = uProjectionMatrix * posp;\n vec4 qIn = uProjectionMatrix * posqIn;\n vec4 qOut = uProjectionMatrix * posqOut;\n vCenter = p.xy;\n\n // formula to convert from clip space (range -1..1) to screen space (range 0..[width or height])\n // screen_p = (p.xy/p.w + <1,1>) * 0.5 * uViewport.zw\n\n // prevent division by W by transforming the tangent formula (div by 0 causes\n // the line to disappear, see https://github.com/processing/processing/issues/5183)\n // t = screen_q - screen_p\n //\n // tangent is normalized and we don't care which aDirection it points to (+-)\n // t = +- normalize( screen_q - screen_p )\n // t = +- normalize( (q.xy/q.w+<1,1>)*0.5*uViewport.zw - (p.xy/p.w+<1,1>)*0.5*uViewport.zw )\n //\n // extract common factor, <1,1> - <1,1> cancels out\n // t = +- normalize( (q.xy/q.w - p.xy/p.w) * 0.5 * uViewport.zw )\n //\n // convert to common divisor\n // t = +- normalize( ((q.xy*p.w - p.xy*q.w) / (p.w*q.w)) * 0.5 * uViewport.zw )\n //\n // remove the common scalar divisor/factor, not needed due to normalize and +-\n // (keep uViewport - can't remove because it has different components for x and y\n // and corrects for aspect ratio, see https://github.com/processing/processing/issues/5181)\n // t = +- normalize( (q.xy*p.w - p.xy*q.w) * uViewport.zw )\n\n vec2 tangentIn = normalize((qIn.xy*p.w - p.xy*qIn.w) * uViewport.zw);\n vec2 tangentOut = normalize((qOut.xy*p.w - p.xy*qOut.w) * uViewport.zw);\n\n vec2 curPerspScale;\n if(uPerspective == 1) {\n // Perspective ---\n // convert from world to clip by multiplying with projection scaling factor\n // to get the right thickness (see https://github.com/processing/processing/issues/5182)\n\n // The y value of the projection matrix may be flipped if rendering to a Framebuffer.\n // Multiplying again by its sign here negates the flip to get just the scale.\n curPerspScale = (uProjectionMatrix * vec4(1, sign(uProjectionMatrix[1][1]), 0, 0)).xy;\n } else {\n // No Perspective ---\n // multiply by W (to cancel out division by W later in the pipeline) and\n // convert from screen to clip (derived from clip to screen above)\n curPerspScale = p.w / (0.5 * uViewport.zw);\n }\n\n vec2 offset;\n if (vJoin == 1.) {\n vTangent = normalize(tangentIn + tangentOut);\n vec2 normalIn = vec2(-tangentIn.y, tangentIn.x);\n vec2 normalOut = vec2(-tangentOut.y, tangentOut.x);\n float side = sign(aSide);\n float sideEnum = abs(aSide);\n\n // We generate vertices for joins on either side of the centerline, but\n // the \"elbow\" side is the only one needing a join. By not setting the\n // offset for the other side, all its vertices will end up in the same\n // spot and not render, effectively discarding it.\n if (sign(dot(tangentOut, vec2(-tangentIn.y, tangentIn.x))) != side) {\n // Side enums:\n // 1: the side going into the join\n // 2: the middle of the join\n // 3: the side going out of the join\n if (sideEnum == 2.) {\n // Calculate the position + tangent on either side of the join, and\n // find where the lines intersect to find the elbow of the join\n vec2 c = (posp.xy/posp.w + vec2(1.,1.)) * 0.5 * uViewport.zw;\n vec2 intersection = lineIntersection(\n c + (side * normalIn * uStrokeWeight / 2.),\n tangentIn,\n c + (side * normalOut * uStrokeWeight / 2.),\n tangentOut\n );\n offset = (intersection - c);\n\n // When lines are thick and the angle of the join approaches 180, the\n // elbow might be really far from the center. We'll apply a limit to\n // the magnitude to avoid lines going across the whole screen when this\n // happens.\n float mag = length(offset);\n float maxMag = 3. * uStrokeWeight;\n if (mag > maxMag) {\n offset *= maxMag / mag;\n }\n } else if (sideEnum == 1.) {\n offset = side * normalIn * uStrokeWeight / 2.;\n } else if (sideEnum == 3.) {\n offset = side * normalOut * uStrokeWeight / 2.;\n }\n }\n if (uStrokeJoin == STROKE_JOIN_BEVEL) {\n vec2 avgNormal = vec2(-vTangent.y, vTangent.x);\n vMaxDist = abs(dot(avgNormal, normalIn * uStrokeWeight / 2.));\n } else {\n vMaxDist = uStrokeWeight / 2.;\n }\n } else {\n vec2 tangent = aTangentIn == vec3(0.) ? tangentOut : tangentIn;\n vTangent = tangent;\n vec2 normal = vec2(-tangent.y, tangent.x);\n\n float normalOffset = sign(aSide);\n // Caps will have side values of -2 or 2 on the edge of the cap that\n // extends out from the line\n float tangentOffset = abs(aSide) - 1.;\n offset = (normal * normalOffset + tangent * tangentOffset) *\n uStrokeWeight * 0.5;\n vMaxDist = uStrokeWeight / 2.;\n }\n vPosition = vCenter + offset;\n\n gl_Position.xy = p.xy + offset.xy * curPerspScale;\n gl_Position.zw = p.zw;\n \n vColor = (uUseLineColor ? aVertexColor : uMaterialColor);\n}\n",lineFrag:T+"precision mediump int;\n\nuniform vec4 uMaterialColor;\nuniform int uStrokeCap;\nuniform int uStrokeJoin;\nuniform float uStrokeWeight;\n\nIN vec4 vColor;\nIN vec2 vTangent;\nIN vec2 vCenter;\nIN vec2 vPosition;\nIN float vMaxDist;\nIN float vCap;\nIN float vJoin;\n\nfloat distSquared(vec2 a, vec2 b) {\n vec2 aToB = b - a;\n return dot(aToB, aToB);\n}\n\nvoid main() {\n if (vCap > 0.) {\n if (\n uStrokeCap == STROKE_CAP_ROUND &&\n distSquared(vPosition, vCenter) > uStrokeWeight * uStrokeWeight * 0.25\n ) {\n discard;\n } else if (\n uStrokeCap == STROKE_CAP_SQUARE &&\n dot(vPosition - vCenter, vTangent) > 0.\n ) {\n discard;\n }\n // Use full area for PROJECT\n } else if (vJoin > 0.) {\n if (\n uStrokeJoin == STROKE_JOIN_ROUND &&\n distSquared(vPosition, vCenter) > uStrokeWeight * uStrokeWeight * 0.25\n ) {\n discard;\n } else if (uStrokeJoin == STROKE_JOIN_BEVEL) {\n vec2 normal = vec2(-vTangent.y, vTangent.x);\n if (abs(dot(vPosition - vCenter, normal)) > vMaxDist) {\n discard;\n }\n }\n // Use full area for MITER\n }\n OUT_COLOR = vec4(vColor.rgb, 1.) * vColor.a;\n}\n",pointVert:"IN vec3 aPosition;\nuniform float uPointSize;\nOUT float vStrokeWeight;\nuniform mat4 uModelViewMatrix;\nuniform mat4 uProjectionMatrix;\nvoid main() {\n\tvec4 positionVec4 = vec4(aPosition, 1.0);\n\tgl_Position = uProjectionMatrix * uModelViewMatrix * positionVec4;\n\tgl_PointSize = uPointSize;\n\tvStrokeWeight = uPointSize;\n}\n",pointFrag:"precision mediump int;\nuniform vec4 uMaterialColor;\nIN float vStrokeWeight;\n\nvoid main(){\n float mask = 0.0;\n\n // make a circular mask using the gl_PointCoord (goes from 0 - 1 on a point)\n // might be able to get a nicer edge on big strokeweights with smoothstep but slightly less performant\n\n mask = step(0.98, length(gl_PointCoord * 2.0 - 1.0));\n\n // if strokeWeight is 1 or less lets just draw a square\n // this prevents weird artifacting from carving circles when our points are really small\n // if strokeWeight is larger than 1, we just use it as is\n\n mask = mix(0.0, mask, clamp(floor(vStrokeWeight - 0.5),0.0,1.0));\n\n // throw away the borders of the mask\n // otherwise we get weird alpha blending issues\n\n if(mask > 0.98){\n discard;\n }\n\n OUT_COLOR = vec4(uMaterialColor.rgb, 1.) * uMaterialColor.a;\n}\n",imageLightVert:"precision highp float;\nattribute vec3 aPosition;\nattribute vec3 aNormal;\nattribute vec2 aTexCoord;\n\nvarying vec3 localPos;\nvarying vec3 vWorldNormal;\nvarying vec3 vWorldPosition;\nvarying vec2 vTexCoord;\n\nuniform mat4 uModelViewMatrix;\nuniform mat4 uProjectionMatrix;\nuniform mat3 uNormalMatrix;\n\nvoid main() {\n // Multiply the position by the matrix.\n vec4 viewModelPosition = uModelViewMatrix * vec4(aPosition, 1.0);\n gl_Position = uProjectionMatrix * viewModelPosition; \n \n // orient the normals and pass to the fragment shader\n vWorldNormal = uNormalMatrix * aNormal;\n \n // send the view position to the fragment shader\n vWorldPosition = (uModelViewMatrix * vec4(aPosition, 1.0)).xyz;\n \n localPos = vWorldPosition;\n vTexCoord = aTexCoord;\n}\n\n\n/*\nin the vertex shader we'll compute the world position and world oriented normal of the vertices and pass those to the fragment shader as varyings.\n*/\n",imageLightDiffusedFrag:"precision highp float;\nvarying vec3 localPos;\n\n// the HDR cubemap converted (can be from an equirectangular environment map.)\nuniform sampler2D environmentMap;\nvarying vec2 vTexCoord;\n\nconst float PI = 3.14159265359;\n\nvec2 nTOE( vec3 v ){\n // x = r sin(phi) cos(theta) \n // y = r cos(phi) \n // z = r sin(phi) sin(theta)\n float phi = acos( v.y );\n // if phi is 0, then there are no x, z components\n float theta = 0.0;\n // else \n theta = acos(v.x / sin(phi));\n float sinTheta = v.z / sin(phi);\n if (sinTheta < 0.0) {\n // Turn it into -theta, but in the 0-2PI range\n theta = 2.0 * PI - theta;\n }\n theta = theta / (2.0 * 3.14159);\n phi = phi / 3.14159 ;\n \n vec2 angles = vec2( phi, theta );\n return angles;\n}\n\nvoid main()\n{ \t \n\t// the sample direction equals the hemisphere's orientation\n float phi = vTexCoord.x * 2.0 * PI;\n float theta = vTexCoord.y * PI;\n float x = sin(theta) * cos(phi);\n float y = sin(theta) * sin(phi);\n float z = cos(theta);\n vec3 normal = vec3( x, y, z);\n\n\t// Discretely sampling the hemisphere given the integral's\n // spherical coordinates translates to the following fragment code:\n\tvec3 irradiance = vec3(0.0); \n\tvec3 up\t= vec3(0.0, 1.0, 0.0);\n\tvec3 right = normalize(cross(up, normal));\n\tup = normalize(cross(normal, right));\n\n\t// We specify a fixed sampleDelta delta value to traverse\n // the hemisphere; decreasing or increasing the sample delta\n // will increase or decrease the accuracy respectively.\n\tconst float sampleDelta = 0.025;\n\tfloat nrSamples = 0.0;\n \n\tfor(float phi = 0.0; phi < 2.0 * PI; phi += sampleDelta)\n\t{\n for(float theta = 0.0; theta < ( 0.5 ) * PI; theta += sampleDelta)\n {\n // spherical to cartesian (in tangent space) // tangent space to world // add each sample result to irradiance\n float x = sin(theta) * cos(phi);\n float y = sin(theta) * sin(phi);\n float z = cos(theta);\n vec3 tangentSample = vec3( x, y, z);\n \n vec3 sampleVec = tangentSample.x * right + tangentSample.y * up + tangentSample.z * normal;\n irradiance += (texture2D(environmentMap, nTOE(sampleVec)).xyz) * cos(theta) * sin(theta);\n nrSamples++;\n }\n\t}\n\t// divide by the total number of samples taken, giving us the average sampled irradiance.\n\tirradiance = PI * irradiance * (1.0 / float(nrSamples )) ;\n \n \n\tgl_FragColor = vec4(irradiance, 1.0);\n}",imageLightSpecularFrag:"precision highp float;\r\nvarying vec3 localPos;\r\nvarying vec2 vTexCoord;\r\n\r\n// our texture\r\nuniform sampler2D environmentMap;\r\nuniform float roughness;\r\n\r\nconst float PI = 3.14159265359;\r\n\r\nfloat VanDerCorput(int bits);\r\nvec2 HammersleyNoBitOps(int i, int N);\r\nvec3 ImportanceSampleGGX(vec2 Xi, vec3 N, float roughness);\r\n\r\n\r\nvec2 nTOE( vec3 v ){\r\n // x = r sin(phi) cos(theta) \r\n // y = r cos(phi) \r\n // z = r sin(phi) sin(theta)\r\n float phi = acos( v.y );\r\n // if phi is 0, then there are no x, z components\r\n float theta = 0.0;\r\n // else \r\n theta = acos(v.x / sin(phi));\r\n float sinTheta = v.z / sin(phi);\r\n if (sinTheta < 0.0) {\r\n // Turn it into -theta, but in the 0-2PI range\r\n theta = 2.0 * PI - theta;\r\n }\r\n theta = theta / (2.0 * 3.14159);\r\n phi = phi / 3.14159 ;\r\n \r\n vec2 angles = vec2( phi, theta );\r\n return angles;\r\n}\r\n\r\n\r\nvoid main(){\r\n const int SAMPLE_COUNT = 1024; // 4096\r\n float totalWeight = 0.0;\r\n vec3 prefilteredColor = vec3(0.0);\r\n float phi = vTexCoord.x * 2.0 * PI;\r\n float theta = vTexCoord.y * PI;\r\n float x = sin(theta) * cos(phi);\r\n float y = sin(theta) * sin(phi);\r\n float z = cos(theta);\r\n vec3 N = vec3(x,y,z);\r\n vec3 V = N;\r\n for (int i = 0; i < SAMPLE_COUNT; ++i)\r\n {\r\n vec2 Xi = HammersleyNoBitOps(i, SAMPLE_COUNT);\r\n vec3 H = ImportanceSampleGGX(Xi, N, roughness);\r\n vec3 L = normalize(2.0 * dot(V, H) * H - V);\r\n\r\n float NdotL = max(dot(N, L), 0.0);\r\n if (NdotL > 0.0)\r\n {\r\n prefilteredColor += texture2D(environmentMap, nTOE(L)).xyz * NdotL;\r\n totalWeight += NdotL;\r\n }\r\n }\r\n prefilteredColor = prefilteredColor / totalWeight;\r\n\r\n gl_FragColor = vec4(prefilteredColor, 1.0);\r\n}\r\n\r\nvec3 ImportanceSampleGGX(vec2 Xi, vec3 N, float roughness){\r\n float a = roughness * roughness;\r\n\r\n float phi = 2.0 * PI * Xi.x;\r\n float cosTheta = sqrt((1.0 - Xi.y) / (1.0 + (a * a - 1.0) * Xi.y));\r\n float sinTheta = sqrt(1.0 - cosTheta * cosTheta);\r\n // from spherical coordinates to cartesian coordinates\r\n vec3 H;\r\n H.x = cos(phi) * sinTheta;\r\n H.y = sin(phi) * sinTheta;\r\n H.z = cosTheta;\r\n\r\n // from tangent-space vector to world-space sample vector\r\n vec3 up = abs(N.z) < 0.999 ? vec3(0.0, 0.0, 1.0) : vec3(1.0, 0.0, 0.0);\r\n vec3 tangent = normalize(cross(up, N));\r\n vec3 bitangent = cross(N, tangent);\r\n\r\n vec3 sampleVec = tangent * H.x + bitangent * H.y + N * H.z;\r\n return normalize(sampleVec);\r\n}\r\n\r\n\r\nfloat VanDerCorput(int n, int base)\r\n{\r\n float invBase = 1.0 / float(base);\r\n float denom = 1.0;\r\n float result = 0.0;\r\n\r\n for (int i = 0; i < 32; ++i)\r\n {\r\n\tif (n > 0)\r\n\t{\r\n \tdenom = mod(float(n), 2.0);\r\n \tresult += denom * invBase;\r\n \tinvBase = invBase / 2.0;\r\n \tn = int(float(n) / 2.0);\r\n\t}\r\n }\r\n\r\n return result;\r\n}\r\n\r\nvec2 HammersleyNoBitOps(int i, int N)\r\n{\r\n return vec2(float(i) / float(N), VanDerCorput(i, 2));\r\n}\r\n"};for(x in M)M[x]="#ifdef WEBGL2\n\n#define IN in\n#define OUT out\n\n#ifdef FRAGMENT_SHADER\nout vec4 outColor;\n#define OUT_COLOR outColor\n#endif\n#define TEXTURE texture\n\n#else\n\n#ifdef FRAGMENT_SHADER\n#define IN varying\n#else\n#define IN attribute\n#endif\n#define OUT varying\n#define TEXTURE texture2D\n\n#ifdef FRAGMENT_SHADER\n#define OUT_COLOR gl_FragColor\n#endif\n\n#endif\n"+M[x];j(e={},l.GRAY,"precision highp float;\n\nvarying vec2 vTexCoord;\n\nuniform sampler2D tex0;\n\nfloat luma(vec3 color) {\n // weighted grayscale with luminance values\n return dot(color, vec3(0.2126, 0.7152, 0.0722));\n}\n\nvoid main() {\n vec4 tex = texture2D(tex0, vTexCoord);\n float gray = luma(tex.rgb);\n gl_FragColor = vec4(gray, gray, gray, tex.a);\n}\n"),j(e,l.ERODE,"// Reduces the bright areas in an image\n\nprecision highp float;\n\nvarying vec2 vTexCoord;\n\nuniform sampler2D tex0;\nuniform vec2 texelSize;\n\nfloat luma(vec3 color) {\n // weighted grayscale with luminance values\n // weights 77, 151, 28 taken from src/image/filters.js\n return dot(color, vec3(0.300781, 0.589844, 0.109375));\n}\n\nvoid main() {\n vec4 color = texture2D(tex0, vTexCoord);\n float lum = luma(color.rgb);\n\n // set current color as the darkest neighbor color\n\n vec4 neighbors[4];\n neighbors[0] = texture2D(tex0, vTexCoord + vec2( texelSize.x, 0.0));\n neighbors[1] = texture2D(tex0, vTexCoord + vec2(-texelSize.x, 0.0));\n neighbors[2] = texture2D(tex0, vTexCoord + vec2(0.0, texelSize.y));\n neighbors[3] = texture2D(tex0, vTexCoord + vec2(0.0, -texelSize.y));\n\n for (int i = 0; i < 4; i++) {\n vec4 neighborColor = neighbors[i];\n float neighborLum = luma(neighborColor.rgb);\n\n if (neighborLum < lum) {\n color = neighborColor;\n lum = neighborLum;\n }\n }\n\n gl_FragColor = color;\n}\n"),j(e,l.DILATE,"// Increase the bright areas in an image\n\nprecision highp float;\n\nvarying vec2 vTexCoord;\n\nuniform sampler2D tex0;\nuniform vec2 texelSize;\n\nfloat luma(vec3 color) {\n // weighted grayscale with luminance values\n // weights 77, 151, 28 taken from src/image/filters.js\n return dot(color, vec3(0.300781, 0.589844, 0.109375));\n}\n\nvoid main() {\n vec4 color = texture2D(tex0, vTexCoord);\n float lum = luma(color.rgb);\n\n // set current color as the brightest neighbor color\n\n vec4 neighbors[4];\n neighbors[0] = texture2D(tex0, vTexCoord + vec2( texelSize.x, 0.0));\n neighbors[1] = texture2D(tex0, vTexCoord + vec2(-texelSize.x, 0.0));\n neighbors[2] = texture2D(tex0, vTexCoord + vec2(0.0, texelSize.y));\n neighbors[3] = texture2D(tex0, vTexCoord + vec2(0.0, -texelSize.y));\n\n for (int i = 0; i < 4; i++) {\n vec4 neighborColor = neighbors[i];\n float neighborLum = luma(neighborColor.rgb);\n\n if (neighborLum > lum) {\n color = neighborColor;\n lum = neighborLum;\n }\n }\n\n gl_FragColor = color;\n}\n"),j(e,l.BLUR,"precision highp float;\n\n// Two-pass blur filter, unweighted kernel.\n// See also a similar blur at Adam Ferriss' repo of shader examples:\n// https://github.com/aferriss/p5jsShaderExamples/blob/gh-pages/4_image-effects/4-9_single-pass-blur/effect.frag\n\n\nuniform sampler2D tex0;\nvarying vec2 vTexCoord;\nuniform vec2 direction;\nuniform vec2 canvasSize;\nuniform float radius;\n\nfloat random(vec2 p) {\n vec3 p3 = fract(vec3(p.xyx) * .1031);\n p3 += dot(p3, p3.yzx + 33.33);\n return fract((p3.x + p3.y) * p3.z);\n}\n\n// This isn't a real Gaussian weight, it's a quadratic weight. It's what the\n// CPU mode's blur uses though, so we also use it here to match.\nfloat quadWeight(float x, float e) {\n return pow(e-abs(x), 2.);\n}\n\nvoid main(){\n vec2 uv = vTexCoord;\n\n // A reasonable maximum number of samples\n const float maxSamples = 64.0;\n\n float numSamples = floor(7. * radius);\n if (fract(numSamples / 2.) == 0.) {\n numSamples++;\n }\n vec4 avg = vec4(0.0);\n float total = 0.0;\n\n // Calculate the spacing to avoid skewing if numSamples > maxSamples\n float spacing = 1.0;\n if (numSamples > maxSamples) {\n spacing = numSamples / maxSamples;\n numSamples = maxSamples;\n }\n\n float randomOffset = (spacing - 1.0) * mix(-0.5, 0.5, random(gl_FragCoord.xy));\n for (float i = 0.0; i < maxSamples; i++) {\n if (i >= numSamples) break;\n\n float sample = i * spacing - (numSamples - 1.0) * 0.5 * spacing + randomOffset;\n vec2 sampleCoord = uv + vec2(sample, sample) / canvasSize * direction;\n float weight = quadWeight(sample, (numSamples - 1.0) * 0.5 * spacing);\n\n avg += weight * texture2D(tex0, sampleCoord);\n total += weight;\n }\n\n avg /= total;\n gl_FragColor = avg;\n}\n"),j(e,l.POSTERIZE,"// Limit color space for a stylized cartoon / poster effect\n\nprecision highp float;\n\nvarying vec2 vTexCoord;\n\nuniform sampler2D tex0;\nuniform float filterParameter;\n\nvec3 quantize(vec3 color, float n) {\n // restrict values to N options/bins\n // and floor each channel to nearest value\n //\n // eg. when N = 5, values = 0.0, 0.25, 0.50, 0.75, 1.0\n // then quantize (0.1, 0.7, 0.9) -> (0.0, 0.5, 1.0)\n\n color = color * n;\n color = floor(color);\n color = color / (n - 1.0);\n return color;\n}\n\nvoid main() {\n vec4 color = texture2D(tex0, vTexCoord);\n\n vec3 restrictedColor = quantize(color.rgb / color.a, filterParameter);\n\n gl_FragColor = vec4(restrictedColor.rgb * color.a, color.a);\n}\n"),j(e,l.OPAQUE,"// Set alpha channel to entirely opaque\n\nprecision highp float;\n\nvarying vec2 vTexCoord;\n\nuniform sampler2D tex0;\n\nvoid main() {\n vec4 color = texture2D(tex0, vTexCoord);\n gl_FragColor = vec4(color.rgb / color.a, 1.0);\n}\n"),j(e,l.INVERT,"// Set each pixel to inverse value\n// Note that original INVERT does not change the opacity, so this follows suit\n\nprecision highp float;\n\nvarying vec2 vTexCoord;\n\nuniform sampler2D tex0;\n\nvoid main() {\nvec4 color = texture2D(tex0, vTexCoord);\nvec3 origColor = color.rgb / color.a;\nvec3 invertedColor = vec3(1.0) - origColor;\ngl_FragColor = vec4(invertedColor * color.a, color.a);\n}\n"),j(e,l.THRESHOLD,"// Convert pixels to either white or black, \n// depending on if their luma is above or below filterParameter\n\nprecision highp float;\n\nvarying vec2 vTexCoord;\n\nuniform sampler2D tex0;\nuniform float filterParameter;\n\nfloat luma(vec3 color) {\n // weighted grayscale with luminance values\n return dot(color, vec3(0.2126, 0.7152, 0.0722));\n}\n\nvoid main() {\n vec4 color = texture2D(tex0, vTexCoord);\n float gray = luma(color.rgb / color.a);\n // floor() used to match src/image/filters.js\n float threshold = floor(filterParameter * 255.0) / 255.0;\n float blackOrWhite = step(threshold, gray);\n gl_FragColor = vec4(vec3(blackOrWhite) * color.a, color.a);\n}\n");var E=e;function k(e,t,r,o,n,s,i,a,l,u){var c=t.getParameter(t.FRAMEBUFFER_BINDING),r=(t.bindFramebuffer(t.FRAMEBUFFER,r),a===t.RGBA?4:3),d=s*i*r,h=l===t.UNSIGNED_BYTE?Uint8Array:Float32Array;if(e instanceof h&&e.length===d||(e=new h(d)),t.readPixels(o,u?u-n-i:n,s,i,a,l,e),t.bindFramebuffer(t.FRAMEBUFFER,c),u)for(var f=Math.floor(i/2),p=new h(s*r),m=0;m>7,127&d,c>>7,127&c);for(var h=0;h>7,127&f,0,0)}}return{cellImageInfo:a,dimOffset:t,dimImageInfo:n}}}}]),t}();B.default.RendererGL.prototype._renderText=function(e,t,r,o,n){if(this._textFont&&"string"!=typeof this._textFont){if(!(n<=o)&&this._doFill){if(this._isOpenType()){e.push();var n=this._doStroke,s=this.drawMode,i=(this._doStroke=!1,this.drawMode=M.TEXTURE,this._textFont.font),a=(a=this._textFont._fontInfo)||(this._textFont._fontInfo=new E(i)),r=this._textFont._handleAlignment(this,t,r,o),o=this._textSize/i.unitsPerEm,l=(this.translate(r.x,r.y,0),this.scale(o,o,1),this.GL),r=!this._defaultFontShader,u=this._getFontShader(),c=(u.init(),u.bindShader(),r&&(u.setUniform("uGridImageSize",[64,64]),u.setUniform("uCellsImageSize",[64,64]),u.setUniform("uStrokeImageSize",[64,64]),u.setUniform("uGridSize",[9,9])),this._applyColorBlend(this.curFillColor),this.retainedMode.geometry.glyph),d=(c||((o=this._textGeom=new B.default.Geometry(1,1,function(){for(var e=0;e<=1;e++)for(var t=0;t<=1;t++)this.vertices.push(new B.default.Vector(t,e,0)),this.uvs.push(t,e)})).computeFaces().computeNormals(),c=this.createBuffers("glyph",o)),!0),r=!1,o=void 0;try{for(var h,f=this.retainedMode.buffers.text[Symbol.iterator]();!(d=(h=f.next()).done);d=!0)h.value._prepareBuffer(c,u)}catch(e){r=!0,o=e}finally{try{d||null==f.return||f.return()}finally{if(r)throw o}}this._bindBuffer(c.indexBuffer,l.ELEMENT_ARRAY_BUFFER),u.setUniform("uMaterialColor",this.curFillColor),l.pixelStorei(l.UNPACK_PREMULTIPLY_ALPHA_WEBGL,!1);try{var p=0,m=null,y=i.stringToGlyphs(t),g=!0,v=!1,b=void 0;try{for(var j,_=y[Symbol.iterator]();!(g=(j=_.next()).done);g=!0){var x,w,S=j.value,T=(m&&(p+=i.getKerningValue(m,S)),a.getGlyphInfo(S));T.uGlyphRect&&(x=T.rowInfo,w=T.colInfo,u.setUniform("uSamplerStrokes",T.strokeImageInfo.imageData),u.setUniform("uSamplerRowStrokes",x.cellImageInfo.imageData),u.setUniform("uSamplerRows",x.dimImageInfo.imageData),u.setUniform("uSamplerColStrokes",w.cellImageInfo.imageData),u.setUniform("uSamplerCols",w.dimImageInfo.imageData),u.setUniform("uGridOffset",T.uGridOffset),u.setUniform("uGlyphRect",T.uGlyphRect),u.setUniform("uGlyphOffset",p),u.bindTextures(),l.drawElements(l.TRIANGLES,6,this.GL.UNSIGNED_SHORT,0)),p+=S.advanceWidth,m=S}}catch(e){v=!0,b=e}finally{try{g||null==_.return||_.return()}finally{if(v)throw b}}}finally{u.unbindShader(),this._doStroke=n,this.drawMode=s,l.pixelStorei(l.UNPACK_PREMULTIPLY_ALPHA_WEBGL,!0),e.pop()}}else console.log("WEBGL: only Opentype (.otf) and Truetype (.ttf) fonts are supported");return e}}else console.log("WEBGL: you must load and set a font before drawing text. 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                                                  '),this.dummyDOM.querySelector(i)?this.dummyDOM.querySelector(i).insertAdjacentHTML("beforebegin",n):this.dummyDOM.querySelector("#".concat(o)).innerHTML=n,this._accessibleOutputs[r].list=this.dummyDOM.querySelector("#".concat(r,"_list"))):"gridOutput"===e&&(i="#".concat(s,"textOutput").concat(i),n='
                                                  Grid Output

                                                    '),this.dummyDOM.querySelector(i)?this.dummyDOM.querySelector(i).insertAdjacentHTML("afterend",n):this.dummyDOM.querySelector("#".concat(o)).innerHTML=n,this._accessibleOutputs[r].map=this.dummyDOM.querySelector("#".concat(r,"_map"))),this._accessibleOutputs[r].shapeDetails=this.dummyDOM.querySelector("#".concat(r,"_shapeDetails")),this._accessibleOutputs[r].summary=this.dummyDOM.querySelector("#".concat(r,"_summary"))},o.default.prototype._updateAccsOutput=function(){var e=this.canvas.id;JSON.stringify(this.ingredients.shapes)===this.ingredients.pShapes&&this.ingredients.colors.background===this.ingredients.pBackground||(this.ingredients.pShapes=JSON.stringify(this.ingredients.shapes),this._accessibleOutputs.text&&this._updateTextOutput(e+"textOutput"),this._accessibleOutputs.grid&&this._updateGridOutput(e+"gridOutput"),this._accessibleOutputs.textLabel&&this._updateTextOutput(e+"textOutputLabel"),this._accessibleOutputs.gridLabel&&this._updateGridOutput(e+"gridOutputLabel"))},o.default.prototype._accsBackground=function(e){this.ingredients.pShapes=JSON.stringify(this.ingredients.shapes),this.ingredients.pBackground=this.ingredients.colors.background,this.ingredients.shapes={},this.ingredients.colors.backgroundRGBA!==e&&(this.ingredients.colors.backgroundRGBA=e,this.ingredients.colors.background=this._rgbColorName(e))},o.default.prototype._accsCanvasColors=function(e,t){"fill"===e?this.ingredients.colors.fillRGBA!==t&&(this.ingredients.colors.fillRGBA=t,this.ingredients.colors.fill=this._rgbColorName(t)):"stroke"===e&&this.ingredients.colors.strokeRGBA!==t&&(this.ingredients.colors.strokeRGBA=t,this.ingredients.colors.stroke=this._rgbColorName(t))},o.default.prototype._accsOutput=function(e,t){"ellipse"===e&&t[2]===t[3]?e="circle":"rectangle"===e&&t[2]===t[3]&&(e="square");var r,o,n={},s=!0,i=function(e,t){var r;e="rectangle"===e||"ellipse"===e||"arc"===e||"circle"===e||"square"===e?(r=Math.round(t[0]+t[2]/2),Math.round(t[1]+t[3]/2)):"triangle"===e?(r=(t[0]+t[2]+t[4])/3,(t[1]+t[3]+t[5])/3):"quadrilateral"===e?(r=(t[0]+t[2]+t[4]+t[6])/4,(t[1]+t[3]+t[5]+t[7])/4):"line"===e?(r=(t[0]+t[2])/2,(t[1]+t[3])/2):(r=t[0],t[1]);return[r,e]}(e,t);if("line"===e?(n.color=this.ingredients.colors.stroke,n.length=Math.round(this.dist(t[0],t[1],t[2],t[3])),r=this._getPos(t[0],[1]),o=this._getPos(t[2],[3]),n.loc=u(i,this.width,this.height),n.pos=r===o?"at ".concat(r):"from ".concat(r," to ").concat(o)):("point"===e?n.color=this.ingredients.colors.stroke:(n.color=this.ingredients.colors.fill,n.area=this._getArea(e,t)),n.pos=this._getPos.apply(this,l(i)),n.loc=u(i,this.width,this.height)),this.ingredients.shapes[e]){if(this.ingredients.shapes[e]!==[n]){for(var a in this.ingredients.shapes[e])JSON.stringify(this.ingredients.shapes[e][a])===JSON.stringify(n)&&(s=!1);!0===s&&this.ingredients.shapes[e].push(n)}}else this.ingredients.shapes[e]=[n]},o.default.prototype._getPos=function(e,t){var e=new DOMPointReadOnly(e,t),t=this._renderer.isP3D?new DOMMatrix(this._renderer.uMVMatrix.mat4):this.drawingContext.getTransform(),e=e.matrixTransform(t),t=e.x,e=e.y,r=this.width*this._pixelDensity,o=this.height*this._pixelDensity;return t<.4*r?e<.4*o?"top left":.6*oMath.PI?n+=o:n-=o)):"ellipse"===e||"circle"===e?n=3.14*t[2]/2*t[3]/2:"line"===e||"point"===e?n=0:"quadrilateral"===e?n=Math.abs((t[6]+t[0])*(t[7]-t[1])+(t[0]+t[2])*(t[1]-t[3])+(t[2]+t[4])*(t[3]-t[5])+(t[4]+t[6])*(t[5]-t[7]))/2:"rectangle"===e||"square"===e?n=t[2]*t[3]:"triangle"===e&&(n=Math.abs(t[0]*(t[3]-t[5])+t[2]*(t[5]-t[1])+t[4]*(t[1]-t[3]))/2),this.width*this._pixelDensity),i=this.height*this._pixelDensity,a=[new DOMPoint(0,0),new DOMPoint(s,0),new DOMPoint(s,i),new 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strict";e("core-js/modules/es.array.concat"),e("core-js/modules/es.array.concat"),Object.defineProperty(r,"__esModule",{value:!0}),r.default=void 0;e=(e=e("../core/main"))&&e.__esModule?e:{default:e};e.default.prototype._updateTextOutput=function(e){var t,r,o,n;this.dummyDOM.querySelector("#".concat(e,"_summary"))&&(t=this._accessibleOutputs[e],o=function(e,t,r,o){r="Your output is a, ".concat(r," by ").concat(o," pixels, ").concat(t," canvas containing the following");r=1===e?"".concat(r," shape:"):"".concat(r," ").concat(e," shapes:");return r}((r=function(e,t){var r,o="",n=0;for(r in t)for(var s in t[r]){var i='
                                                  • ').concat(t[r][s].color," ").concat(r,"");"line"===r?i+=", ".concat(t[r][s].pos,", ").concat(t[r][s].length," pixels long.
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curve (after t1)?\n if (y1 ? !y2 : y0) {\n // add the coverage for t1\n coverage.x += saturate(C1.x + 0.5);\n // calculate the anti-aliasing for t1\n weight.x = min(weight.x, abs(C1.x));\n }\n\n // are we outside the curve (after t2)?\n if (y1 ? !y0 : y2) {\n // subtract the coverage for t2\n coverage.x -= saturate(C2.x + 0.5);\n // calculate the anti-aliasing for t2\n weight.x = min(weight.x, abs(C2.x));\n }\n}\n\n// this is essentially the same as coverageX, but with the axes swapped\nvoid coverageY(vec2 p0, vec2 p1, vec2 p2) {\n\n vec2 C1, C2;\n calulateCrossings(p0, p1, p2, C1, C2);\n\n bool x0 = p0.x > vTexCoord.x;\n bool x1 = p1.x > vTexCoord.x;\n bool x2 = p2.x > vTexCoord.x;\n\n if (x1 ? !x2 : x0) {\n coverage.y -= saturate(C1.y + 0.5);\n weight.y = min(weight.y, abs(C1.y));\n }\n\n if (x1 ? !x0 : x2) {\n coverage.y += saturate(C2.y + 0.5);\n weight.y = min(weight.y, abs(C2.y));\n }\n}\n\nvoid main() {\n\n // calculate the pixel scale based on screen-coordinates\n pixelScale = hardness / fwidth(vTexCoord);\n\n // which grid cell is this pixel in?\n ivec2 gridCoord = ifloor(vTexCoord * vec2(uGridSize));\n\n // intersect curves in this row\n {\n // the index into the row info bitmap\n int rowIndex = gridCoord.y + uGridOffset.y;\n // fetch the info texel\n vec4 rowInfo = getTexel(uSamplerRows, rowIndex, uGridImageSize);\n // unpack the rowInfo\n int rowStrokeIndex = getInt16(rowInfo.xy);\n int rowStrokeCount = getInt16(rowInfo.zw);\n\n for (int iRowStroke = INT(0); iRowStroke < N; iRowStroke++) {\n if (iRowStroke >= rowStrokeCount)\n break;\n\n // each stroke is made up of 3 points: the start and control point\n // and the start of the next curve.\n // fetch the indices of this pair of strokes:\n vec4 strokeIndices = getTexel(uSamplerRowStrokes, rowStrokeIndex++, uCellsImageSize);\n\n // unpack the stroke index\n int strokePos = getInt16(strokeIndices.xy);\n\n // fetch the two strokes\n vec4 stroke0 = getTexel(uSamplerStrokes, strokePos + INT(0), uStrokeImageSize);\n vec4 stroke1 = getTexel(uSamplerStrokes, strokePos + INT(1), uStrokeImageSize);\n\n // calculate the coverage\n coverageX(stroke0.xy, stroke0.zw, stroke1.xy);\n }\n }\n\n // intersect curves in this column\n {\n int colIndex = gridCoord.x + uGridOffset.x;\n vec4 colInfo = getTexel(uSamplerCols, colIndex, uGridImageSize);\n int colStrokeIndex = getInt16(colInfo.xy);\n int colStrokeCount = getInt16(colInfo.zw);\n \n for (int iColStroke = INT(0); iColStroke < N; iColStroke++) {\n if (iColStroke >= colStrokeCount)\n break;\n\n vec4 strokeIndices = getTexel(uSamplerColStrokes, colStrokeIndex++, uCellsImageSize);\n\n int strokePos = getInt16(strokeIndices.xy);\n vec4 stroke0 = getTexel(uSamplerStrokes, strokePos + INT(0), uStrokeImageSize);\n vec4 stroke1 = getTexel(uSamplerStrokes, strokePos + INT(1), uStrokeImageSize);\n coverageY(stroke0.xy, stroke0.zw, stroke1.xy);\n }\n }\n\n weight = saturate(1.0 - weight * 2.0);\n float distance = max(weight.x + weight.y, minDistance); // manhattan approx.\n float antialias = abs(dot(coverage, weight) / distance);\n float cover = min(abs(coverage.x), abs(coverage.y));\n OUT_COLOR = vec4(uMaterialColor.rgb, 1.) * uMaterialColor.a;\n OUT_COLOR *= saturate(max(antialias, cover));\n}\n",lineVert:T+"/*\n Part of the Processing project - http://processing.org\n Copyright (c) 2012-15 The Processing Foundation\n Copyright (c) 2004-12 Ben Fry and Casey Reas\n Copyright (c) 2001-04 Massachusetts Institute of Technology\n This library is free software; you can redistribute it and/or\n modify it under the terms of the GNU Lesser General Public\n License as published by the Free Software Foundation, version 2.1.\n This library is distributed in the hope that it will be useful,\n but WITHOUT ANY WARRANTY; without even the implied warranty of\n MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU\n Lesser General Public License for more details.\n You should have received a copy of the GNU Lesser General\n Public License along with this library; if not, write to the\n Free Software Foundation, Inc., 59 Temple Place, Suite 330,\n Boston, MA 02111-1307 USA\n*/\n\n#define PROCESSING_LINE_SHADER\n\nprecision mediump int;\n\nuniform mat4 uModelViewMatrix;\nuniform mat4 uProjectionMatrix;\nuniform float uStrokeWeight;\n\nuniform bool uUseLineColor;\nuniform vec4 uMaterialColor;\n\nuniform vec4 uViewport;\nuniform int uPerspective;\nuniform int uStrokeJoin;\n\nIN vec4 aPosition;\nIN vec3 aTangentIn;\nIN vec3 aTangentOut;\nIN float aSide;\nIN vec4 aVertexColor;\n\nOUT vec4 vColor;\nOUT vec2 vTangent;\nOUT vec2 vCenter;\nOUT vec2 vPosition;\nOUT float vMaxDist;\nOUT float vCap;\nOUT float vJoin;\n\nvec2 lineIntersection(vec2 aPoint, vec2 aDir, vec2 bPoint, vec2 bDir) {\n // Rotate and translate so a starts at the origin and goes out to the right\n bPoint -= aPoint;\n vec2 rotatedBFrom = vec2(\n bPoint.x*aDir.x + bPoint.y*aDir.y,\n bPoint.y*aDir.x - bPoint.x*aDir.y\n );\n vec2 bTo = bPoint + bDir;\n vec2 rotatedBTo = vec2(\n bTo.x*aDir.x + bTo.y*aDir.y,\n bTo.y*aDir.x - bTo.x*aDir.y\n );\n float intersectionDistance =\n rotatedBTo.x + (rotatedBFrom.x - rotatedBTo.x) * rotatedBTo.y /\n (rotatedBTo.y - rotatedBFrom.y);\n return aPoint + aDir * intersectionDistance;\n}\n\nvoid main() {\n // Caps have one of either the in or out tangent set to 0\n vCap = (aTangentIn == vec3(0.)) != (aTangentOut == (vec3(0.)))\n ? 1. : 0.;\n\n // Joins have two unique, defined tangents\n vJoin = (\n aTangentIn != vec3(0.) &&\n aTangentOut != vec3(0.) &&\n aTangentIn != aTangentOut\n ) ? 1. : 0.;\n\n vec4 posp = uModelViewMatrix * aPosition;\n vec4 posqIn = uModelViewMatrix * (aPosition + vec4(aTangentIn, 0));\n vec4 posqOut = uModelViewMatrix * (aPosition + vec4(aTangentOut, 0));\n\n float facingCamera = pow(\n // The word space tangent's z value is 0 if it's facing the camera\n abs(normalize(posqIn-posp).z),\n\n // Using pow() here to ramp `facingCamera` up from 0 to 1 really quickly\n // so most lines get scaled and don't get clipped\n 0.25\n );\n\n // Moving vertices slightly toward the camera\n // to avoid depth-fighting with the fill triangles.\n // This prevents popping effects due to half of\n // the line disappearing behind the geometry faces.\n \n float zOffset = mix(-0.00045, -1., facingCamera);\n posp.z -= zOffset;\n posqIn.z -= zOffset;\n posqOut.z -= zOffset;\n \n vec4 p = uProjectionMatrix * posp;\n vec4 qIn = uProjectionMatrix * posqIn;\n vec4 qOut = uProjectionMatrix * posqOut;\n vCenter = p.xy;\n\n // formula to convert from clip space (range -1..1) to screen space (range 0..[width or height])\n // screen_p = (p.xy/p.w + <1,1>) * 0.5 * uViewport.zw\n\n // prevent division by W by transforming the tangent formula (div by 0 causes\n // the line to disappear, see https://github.com/processing/processing/issues/5183)\n // t = screen_q - screen_p\n //\n // tangent is normalized and we don't care which aDirection it points to (+-)\n // t = +- normalize( screen_q - screen_p )\n // t = +- normalize( (q.xy/q.w+<1,1>)*0.5*uViewport.zw - (p.xy/p.w+<1,1>)*0.5*uViewport.zw )\n //\n // extract common factor, <1,1> - <1,1> cancels out\n // t = +- normalize( (q.xy/q.w - p.xy/p.w) * 0.5 * uViewport.zw )\n //\n // convert to common divisor\n // t = +- normalize( ((q.xy*p.w - p.xy*q.w) / (p.w*q.w)) * 0.5 * uViewport.zw )\n //\n // remove the common scalar divisor/factor, not needed due to normalize and +-\n // (keep uViewport - can't remove because it has different components for x and y\n // and corrects for aspect ratio, see https://github.com/processing/processing/issues/5181)\n // t = +- normalize( (q.xy*p.w - p.xy*q.w) * uViewport.zw )\n\n vec2 tangentIn = normalize((qIn.xy*p.w - p.xy*qIn.w) * uViewport.zw);\n vec2 tangentOut = normalize((qOut.xy*p.w - p.xy*qOut.w) * uViewport.zw);\n\n vec2 curPerspScale;\n if(uPerspective == 1) {\n // Perspective ---\n // convert from world to clip by multiplying with projection scaling factor\n // to get the right thickness (see https://github.com/processing/processing/issues/5182)\n\n // The y value of the projection matrix may be flipped if rendering to a Framebuffer.\n // Multiplying again by its sign here negates the flip to get just the scale.\n curPerspScale = (uProjectionMatrix * vec4(1, sign(uProjectionMatrix[1][1]), 0, 0)).xy;\n } else {\n // No Perspective ---\n // multiply by W (to cancel out division by W later in the pipeline) and\n // convert from screen to clip (derived from clip to screen above)\n curPerspScale = p.w / (0.5 * uViewport.zw);\n }\n\n vec2 offset;\n if (vJoin == 1.) {\n vTangent = normalize(tangentIn + tangentOut);\n vec2 normalIn = vec2(-tangentIn.y, tangentIn.x);\n vec2 normalOut = vec2(-tangentOut.y, tangentOut.x);\n float side = sign(aSide);\n float sideEnum = abs(aSide);\n\n // We generate vertices for joins on either side of the centerline, but\n // the \"elbow\" side is the only one needing a join. By not setting the\n // offset for the other side, all its vertices will end up in the same\n // spot and not render, effectively discarding it.\n if (sign(dot(tangentOut, vec2(-tangentIn.y, tangentIn.x))) != side) {\n // Side enums:\n // 1: the side going into the join\n // 2: the middle of the join\n // 3: the side going out of the join\n if (sideEnum == 2.) {\n // Calculate the position + tangent on either side of the join, and\n // find where the lines intersect to find the elbow of the join\n vec2 c = (posp.xy/posp.w + vec2(1.,1.)) * 0.5 * uViewport.zw;\n vec2 intersection = lineIntersection(\n c + (side * normalIn * uStrokeWeight / 2.),\n tangentIn,\n c + (side * normalOut * uStrokeWeight / 2.),\n tangentOut\n );\n offset = (intersection - c);\n\n // When lines are thick and the angle of the join approaches 180, the\n // elbow might be really far from the center. We'll apply a limit to\n // the magnitude to avoid lines going across the whole screen when this\n // happens.\n float mag = length(offset);\n float maxMag = 3. * uStrokeWeight;\n if (mag > maxMag) {\n offset *= maxMag / mag;\n }\n } else if (sideEnum == 1.) {\n offset = side * normalIn * uStrokeWeight / 2.;\n } else if (sideEnum == 3.) {\n offset = side * normalOut * uStrokeWeight / 2.;\n }\n }\n if (uStrokeJoin == STROKE_JOIN_BEVEL) {\n vec2 avgNormal = vec2(-vTangent.y, vTangent.x);\n vMaxDist = abs(dot(avgNormal, normalIn * uStrokeWeight / 2.));\n } else {\n vMaxDist = uStrokeWeight / 2.;\n }\n } else {\n vec2 tangent = aTangentIn == vec3(0.) ? tangentOut : tangentIn;\n vTangent = tangent;\n vec2 normal = vec2(-tangent.y, tangent.x);\n\n float normalOffset = sign(aSide);\n // Caps will have side values of -2 or 2 on the edge of the cap that\n // extends out from the line\n float tangentOffset = abs(aSide) - 1.;\n offset = (normal * normalOffset + tangent * tangentOffset) *\n uStrokeWeight * 0.5;\n vMaxDist = uStrokeWeight / 2.;\n }\n vPosition = vCenter + offset;\n\n gl_Position.xy = p.xy + offset.xy * curPerspScale;\n gl_Position.zw = p.zw;\n \n vColor = (uUseLineColor ? aVertexColor : uMaterialColor);\n}\n",lineFrag:T+"precision mediump int;\n\nuniform vec4 uMaterialColor;\nuniform int uStrokeCap;\nuniform int uStrokeJoin;\nuniform float uStrokeWeight;\n\nIN vec4 vColor;\nIN vec2 vTangent;\nIN vec2 vCenter;\nIN vec2 vPosition;\nIN float vMaxDist;\nIN float vCap;\nIN float vJoin;\n\nfloat distSquared(vec2 a, vec2 b) {\n vec2 aToB = b - a;\n return dot(aToB, aToB);\n}\n\nvoid main() {\n if (vCap > 0.) {\n if (\n uStrokeCap == STROKE_CAP_ROUND &&\n distSquared(vPosition, vCenter) > uStrokeWeight * uStrokeWeight * 0.25\n ) {\n discard;\n } else if (\n uStrokeCap == STROKE_CAP_SQUARE &&\n dot(vPosition - vCenter, vTangent) > 0.\n ) {\n discard;\n }\n // Use full area for PROJECT\n } else if (vJoin > 0.) {\n if (\n uStrokeJoin == STROKE_JOIN_ROUND &&\n distSquared(vPosition, vCenter) > uStrokeWeight * uStrokeWeight * 0.25\n ) {\n discard;\n } else if (uStrokeJoin == STROKE_JOIN_BEVEL) {\n vec2 normal = vec2(-vTangent.y, vTangent.x);\n if (abs(dot(vPosition - vCenter, normal)) > vMaxDist) {\n discard;\n }\n }\n // Use full area for MITER\n }\n OUT_COLOR = vec4(vColor.rgb, 1.) * vColor.a;\n}\n",pointVert:"IN vec3 aPosition;\nuniform float uPointSize;\nOUT float vStrokeWeight;\nuniform mat4 uModelViewMatrix;\nuniform mat4 uProjectionMatrix;\nvoid main() {\n\tvec4 positionVec4 = vec4(aPosition, 1.0);\n\tgl_Position = uProjectionMatrix * uModelViewMatrix * positionVec4;\n\tgl_PointSize = uPointSize;\n\tvStrokeWeight = uPointSize;\n}\n",pointFrag:"precision mediump int;\nuniform vec4 uMaterialColor;\nIN float vStrokeWeight;\n\nvoid main(){\n float mask = 0.0;\n\n // make a circular mask using the gl_PointCoord (goes from 0 - 1 on a point)\n // might be able to get a nicer edge on big strokeweights with smoothstep but slightly less performant\n\n mask = step(0.98, length(gl_PointCoord * 2.0 - 1.0));\n\n // if strokeWeight is 1 or less lets just draw a square\n // this prevents weird artifacting from carving circles when our points are really small\n // if strokeWeight is larger than 1, we just use it as is\n\n mask = mix(0.0, mask, clamp(floor(vStrokeWeight - 0.5),0.0,1.0));\n\n // throw away the borders of the mask\n // otherwise we get weird alpha blending issues\n\n if(mask > 0.98){\n discard;\n }\n\n OUT_COLOR = vec4(uMaterialColor.rgb, 1.) * uMaterialColor.a;\n}\n",imageLightVert:"precision highp float;\nattribute vec3 aPosition;\nattribute vec3 aNormal;\nattribute vec2 aTexCoord;\n\nvarying vec3 localPos;\nvarying vec3 vWorldNormal;\nvarying vec3 vWorldPosition;\nvarying vec2 vTexCoord;\n\nuniform mat4 uModelViewMatrix;\nuniform mat4 uProjectionMatrix;\nuniform mat3 uNormalMatrix;\n\nvoid main() {\n // Multiply the position by the matrix.\n vec4 viewModelPosition = uModelViewMatrix * vec4(aPosition, 1.0);\n gl_Position = uProjectionMatrix * viewModelPosition; \n \n // orient the normals and pass to the fragment shader\n vWorldNormal = uNormalMatrix * aNormal;\n \n // send the view position to the fragment shader\n vWorldPosition = (uModelViewMatrix * vec4(aPosition, 1.0)).xyz;\n \n localPos = vWorldPosition;\n vTexCoord = aTexCoord;\n}\n\n\n/*\nin the vertex shader we'll compute the world position and world oriented normal of the vertices and pass those to the fragment shader as varyings.\n*/\n",imageLightDiffusedFrag:"precision highp float;\nvarying vec3 localPos;\n\n// the HDR cubemap converted (can be from an equirectangular environment map.)\nuniform sampler2D environmentMap;\nvarying vec2 vTexCoord;\n\nconst float PI = 3.14159265359;\n\nvec2 nTOE( vec3 v ){\n // x = r sin(phi) cos(theta) \n // y = r cos(phi) \n // z = r sin(phi) sin(theta)\n float phi = acos( v.y );\n // if phi is 0, then there are no x, z components\n float theta = 0.0;\n // else \n theta = acos(v.x / sin(phi));\n float sinTheta = v.z / sin(phi);\n if (sinTheta < 0.0) {\n // Turn it into -theta, but in the 0-2PI range\n theta = 2.0 * PI - theta;\n }\n theta = theta / (2.0 * 3.14159);\n phi = phi / 3.14159 ;\n \n vec2 angles = vec2( phi, theta );\n return angles;\n}\n\nfloat random(vec2 p) {\n vec3 p3 = fract(vec3(p.xyx) * .1031);\n p3 += dot(p3, p3.yzx + 33.33);\n return fract((p3.x + p3.y) * p3.z);\n}\n\nvoid main()\n{ \t \n\t// the sample direction equals the hemisphere's orientation\n float phi = vTexCoord.x * 2.0 * PI;\n float theta = vTexCoord.y * PI;\n float x = sin(theta) * cos(phi);\n float y = sin(theta) * sin(phi);\n float z = cos(theta);\n vec3 normal = vec3( x, y, z);\n\n\t// Discretely sampling the hemisphere given the integral's\n // spherical coordinates translates to the following fragment code:\n\tvec3 irradiance = vec3(0.0); \n\tvec3 up\t= vec3(0.0, 1.0, 0.0);\n\tvec3 right = normalize(cross(up, normal));\n\tup = normalize(cross(normal, right));\n\n\t// We specify a fixed sampleDelta delta value to traverse\n // the hemisphere; decreasing or increasing the sample delta\n // will increase or decrease the accuracy respectively.\n\tconst float sampleDelta = 0.100;\n\tfloat nrSamples = 0.0;\n float randomOffset = random(gl_FragCoord.xy) * sampleDelta;\n\tfor(float rawPhi = 0.0; rawPhi < 2.0 * PI; rawPhi += sampleDelta)\n\t{\n float phi = rawPhi + randomOffset;\n for(float rawTheta = 0.0; rawTheta < ( 0.5 ) * PI; rawTheta += sampleDelta)\n {\n float theta = rawTheta + randomOffset;\n // spherical to cartesian (in tangent space) // tangent space to world // add each sample result to irradiance\n float x = sin(theta) * cos(phi);\n float y = sin(theta) * sin(phi);\n float z = cos(theta);\n vec3 tangentSample = vec3( x, y, z);\n \n vec3 sampleVec = tangentSample.x * right + tangentSample.y * up + tangentSample.z * normal;\n irradiance += (texture2D(environmentMap, nTOE(sampleVec)).xyz) * cos(theta) * sin(theta);\n nrSamples++;\n }\n\t}\n\t// divide by the total number of samples taken, giving us the average sampled irradiance.\n\tirradiance = PI * irradiance * (1.0 / float(nrSamples )) ;\n \n \n\tgl_FragColor = vec4(irradiance, 1.0);\n}",imageLightSpecularFrag:"precision highp float;\r\nvarying vec3 localPos;\r\nvarying vec2 vTexCoord;\r\n\r\n// our texture\r\nuniform sampler2D environmentMap;\r\nuniform float roughness;\r\n\r\nconst float PI = 3.14159265359;\r\n\r\nfloat VanDerCorput(int bits);\r\nvec2 HammersleyNoBitOps(int i, int N);\r\nvec3 ImportanceSampleGGX(vec2 Xi, vec3 N, float roughness);\r\n\r\n\r\nvec2 nTOE( vec3 v ){\r\n // x = r sin(phi) cos(theta) \r\n // y = r cos(phi) \r\n // z = r sin(phi) sin(theta)\r\n float phi = acos( v.y );\r\n // if phi is 0, then there are no x, z components\r\n float theta = 0.0;\r\n // else \r\n theta = acos(v.x / sin(phi));\r\n float sinTheta = v.z / sin(phi);\r\n if (sinTheta < 0.0) {\r\n // Turn it into -theta, but in the 0-2PI range\r\n theta = 2.0 * PI - theta;\r\n }\r\n theta = theta / (2.0 * 3.14159);\r\n phi = phi / 3.14159 ;\r\n \r\n vec2 angles = vec2( phi, theta );\r\n return angles;\r\n}\r\n\r\n\r\nvoid main(){\r\n const int SAMPLE_COUNT = 400; // 4096\r\n int lowRoughnessLimit = int(pow(2.0,(roughness+0.1)*20.0));\r\n float totalWeight = 0.0;\r\n vec3 prefilteredColor = vec3(0.0);\r\n float phi = vTexCoord.x * 2.0 * PI;\r\n float theta = vTexCoord.y * PI;\r\n float x = sin(theta) * cos(phi);\r\n float y = sin(theta) * sin(phi);\r\n float z = cos(theta);\r\n vec3 N = vec3(x,y,z);\r\n vec3 V = N;\r\n for (int i = 0; i < SAMPLE_COUNT; ++i)\r\n {\r\n // break at smaller sample numbers for low roughness levels\r\n if(i == lowRoughnessLimit)\r\n {\r\n break;\r\n }\r\n vec2 Xi = HammersleyNoBitOps(i, SAMPLE_COUNT);\r\n vec3 H = ImportanceSampleGGX(Xi, N, roughness);\r\n vec3 L = normalize(2.0 * dot(V, H) * H - V);\r\n\r\n float NdotL = max(dot(N, L), 0.0);\r\n if (NdotL > 0.0)\r\n {\r\n prefilteredColor += texture2D(environmentMap, nTOE(L)).xyz * NdotL;\r\n totalWeight += NdotL;\r\n }\r\n }\r\n prefilteredColor = prefilteredColor / totalWeight;\r\n\r\n gl_FragColor = vec4(prefilteredColor, 1.0);\r\n}\r\n\r\nvec3 ImportanceSampleGGX(vec2 Xi, vec3 N, float roughness){\r\n float a = roughness * roughness;\r\n\r\n float phi = 2.0 * PI * Xi.x;\r\n float cosTheta = sqrt((1.0 - Xi.y) / (1.0 + (a * a - 1.0) * Xi.y));\r\n float sinTheta = sqrt(1.0 - cosTheta * cosTheta);\r\n // from spherical coordinates to cartesian coordinates\r\n vec3 H;\r\n H.x = cos(phi) * sinTheta;\r\n H.y = sin(phi) * sinTheta;\r\n H.z = cosTheta;\r\n\r\n // from tangent-space vector to world-space sample vector\r\n vec3 up = abs(N.z) < 0.999 ? vec3(0.0, 0.0, 1.0) : vec3(1.0, 0.0, 0.0);\r\n vec3 tangent = normalize(cross(up, N));\r\n vec3 bitangent = cross(N, tangent);\r\n\r\n vec3 sampleVec = tangent * H.x + bitangent * H.y + N * H.z;\r\n return normalize(sampleVec);\r\n}\r\n\r\n\r\nfloat VanDerCorput(int n, int base)\r\n{\r\n#ifdef WEBGL2\r\n\r\n uint bits = uint(n);\r\n bits = (bits << 16u) | (bits >> 16u);\r\n bits = ((bits & 0x55555555u) << 1u) | ((bits & 0xAAAAAAAAu) >> 1u);\r\n bits = ((bits & 0x33333333u) << 2u) | ((bits & 0xCCCCCCCCu) >> 2u);\r\n bits = ((bits & 0x0F0F0F0Fu) << 4u) | ((bits & 0xF0F0F0F0u) >> 4u);\r\n bits = ((bits & 0x00FF00FFu) << 8u) | ((bits & 0xFF00FF00u) >> 8u);\r\n return float(bits) * 2.3283064365386963e-10; // / 0x100000000\r\n\r\n#else\r\n\r\n float invBase = 1.0 / float(base);\r\n float denom = 1.0;\r\n float result = 0.0;\r\n\r\n\r\n for (int i = 0; i < 32; ++i)\r\n {\r\n if (n > 0)\r\n {\r\n denom = mod(float(n), 2.0);\r\n result += denom * invBase;\r\n invBase = invBase / 2.0;\r\n n = int(float(n) / 2.0);\r\n }\r\n }\r\n\r\n\r\n return result;\r\n\r\n#endif\r\n}\r\n\r\nvec2 HammersleyNoBitOps(int i, int N)\r\n{\r\n return vec2(float(i) / float(N), VanDerCorput(i, 2));\r\n}\r\n"},M=E.sphereMappingFrag;for(x in E)E[x]="#ifdef WEBGL2\n\n#define IN in\n#define OUT out\n\n#ifdef FRAGMENT_SHADER\nout vec4 outColor;\n#define OUT_COLOR outColor\n#endif\n#define TEXTURE texture\n\n#else\n\n#ifdef FRAGMENT_SHADER\n#define IN varying\n#else\n#define IN attribute\n#endif\n#define OUT varying\n#define TEXTURE texture2D\n\n#ifdef FRAGMENT_SHADER\n#define OUT_COLOR gl_FragColor\n#endif\n\n#endif\n"+E[x];j(e={},l.GRAY,"precision highp float;\n\nvarying vec2 vTexCoord;\n\nuniform sampler2D tex0;\n\nfloat luma(vec3 color) {\n // weighted grayscale with luminance values\n return dot(color, vec3(0.2126, 0.7152, 0.0722));\n}\n\nvoid main() {\n vec4 tex = texture2D(tex0, vTexCoord);\n float gray = luma(tex.rgb);\n gl_FragColor = vec4(gray, gray, gray, tex.a);\n}\n"),j(e,l.ERODE,"// Reduces the bright areas in an image\n\nprecision highp float;\n\nvarying vec2 vTexCoord;\n\nuniform sampler2D tex0;\nuniform vec2 texelSize;\n\nfloat luma(vec3 color) {\n // weighted grayscale with luminance values\n // weights 77, 151, 28 taken from src/image/filters.js\n return dot(color, vec3(0.300781, 0.589844, 0.109375));\n}\n\nvoid main() {\n vec4 color = texture2D(tex0, vTexCoord);\n float lum = luma(color.rgb);\n\n // set current color as the darkest neighbor color\n\n vec4 neighbors[4];\n neighbors[0] = texture2D(tex0, vTexCoord + vec2( texelSize.x, 0.0));\n neighbors[1] = texture2D(tex0, vTexCoord + vec2(-texelSize.x, 0.0));\n neighbors[2] = texture2D(tex0, vTexCoord + vec2(0.0, texelSize.y));\n neighbors[3] = texture2D(tex0, vTexCoord + vec2(0.0, -texelSize.y));\n\n for (int i = 0; i < 4; i++) {\n vec4 neighborColor = neighbors[i];\n float neighborLum = luma(neighborColor.rgb);\n\n if (neighborLum < lum) {\n color = neighborColor;\n lum = neighborLum;\n }\n }\n\n gl_FragColor = color;\n}\n"),j(e,l.DILATE,"// Increase the bright areas in an image\n\nprecision highp float;\n\nvarying vec2 vTexCoord;\n\nuniform sampler2D tex0;\nuniform vec2 texelSize;\n\nfloat luma(vec3 color) {\n // weighted grayscale with luminance values\n // weights 77, 151, 28 taken from src/image/filters.js\n return dot(color, vec3(0.300781, 0.589844, 0.109375));\n}\n\nvoid main() {\n vec4 color = texture2D(tex0, vTexCoord);\n float lum = luma(color.rgb);\n\n // set current color as the brightest neighbor color\n\n vec4 neighbors[4];\n neighbors[0] = texture2D(tex0, vTexCoord + vec2( texelSize.x, 0.0));\n neighbors[1] = texture2D(tex0, vTexCoord + vec2(-texelSize.x, 0.0));\n neighbors[2] = texture2D(tex0, vTexCoord + vec2(0.0, texelSize.y));\n neighbors[3] = texture2D(tex0, vTexCoord + vec2(0.0, -texelSize.y));\n\n for (int i = 0; i < 4; i++) {\n vec4 neighborColor = neighbors[i];\n float neighborLum = luma(neighborColor.rgb);\n\n if (neighborLum > lum) {\n color = neighborColor;\n lum = neighborLum;\n }\n }\n\n gl_FragColor = color;\n}\n"),j(e,l.BLUR,"precision highp float;\n\n// Two-pass blur filter, unweighted kernel.\n// See also a similar blur at Adam Ferriss' repo of shader examples:\n// https://github.com/aferriss/p5jsShaderExamples/blob/gh-pages/4_image-effects/4-9_single-pass-blur/effect.frag\n\n\nuniform sampler2D tex0;\nvarying vec2 vTexCoord;\nuniform vec2 direction;\nuniform vec2 canvasSize;\nuniform float radius;\n\nfloat random(vec2 p) {\n vec3 p3 = fract(vec3(p.xyx) * .1031);\n p3 += dot(p3, p3.yzx + 33.33);\n return fract((p3.x + p3.y) * p3.z);\n}\n\n// This isn't a real Gaussian weight, it's a quadratic weight. It's what the\n// CPU mode's blur uses though, so we also use it here to match.\nfloat quadWeight(float x, float e) {\n return pow(e-abs(x), 2.);\n}\n\nvoid main(){\n vec2 uv = vTexCoord;\n\n // A reasonable maximum number of samples\n const float maxSamples = 64.0;\n\n float numSamples = floor(7. * radius);\n if (fract(numSamples / 2.) == 0.) {\n numSamples++;\n }\n vec4 avg = vec4(0.0);\n float total = 0.0;\n\n // Calculate the spacing to avoid skewing if numSamples > maxSamples\n float spacing = 1.0;\n if (numSamples > maxSamples) {\n spacing = numSamples / maxSamples;\n numSamples = maxSamples;\n }\n\n float randomOffset = (spacing - 1.0) * mix(-0.5, 0.5, random(gl_FragCoord.xy));\n for (float i = 0.0; i < maxSamples; i++) {\n if (i >= numSamples) break;\n\n float sample = i * spacing - (numSamples - 1.0) * 0.5 * spacing + randomOffset;\n vec2 sampleCoord = uv + vec2(sample, sample) / canvasSize * direction;\n float weight = quadWeight(sample, (numSamples - 1.0) * 0.5 * spacing);\n\n avg += weight * texture2D(tex0, sampleCoord);\n total += weight;\n }\n\n avg /= total;\n gl_FragColor = avg;\n}\n"),j(e,l.POSTERIZE,"// Limit color space for a stylized cartoon / poster effect\n\nprecision highp float;\n\nvarying vec2 vTexCoord;\n\nuniform sampler2D tex0;\nuniform float filterParameter;\n\nvec3 quantize(vec3 color, float n) {\n // restrict values to N options/bins\n // and floor each channel to nearest value\n //\n // eg. when N = 5, values = 0.0, 0.25, 0.50, 0.75, 1.0\n // then quantize (0.1, 0.7, 0.9) -> (0.0, 0.5, 1.0)\n\n color = color * n;\n color = floor(color);\n color = color / (n - 1.0);\n return color;\n}\n\nvoid main() {\n vec4 color = texture2D(tex0, vTexCoord);\n\n vec3 restrictedColor = quantize(color.rgb / color.a, filterParameter);\n\n gl_FragColor = vec4(restrictedColor.rgb * color.a, color.a);\n}\n"),j(e,l.OPAQUE,"// Set alpha channel to entirely opaque\n\nprecision highp float;\n\nvarying vec2 vTexCoord;\n\nuniform sampler2D tex0;\n\nvoid main() {\n vec4 color = texture2D(tex0, vTexCoord);\n gl_FragColor = vec4(color.rgb / color.a, 1.0);\n}\n"),j(e,l.INVERT,"// Set each pixel to inverse value\n// Note that original INVERT does not change the opacity, so this follows suit\n\nprecision highp float;\n\nvarying vec2 vTexCoord;\n\nuniform sampler2D tex0;\n\nvoid main() {\nvec4 color = texture2D(tex0, vTexCoord);\nvec3 origColor = color.rgb / color.a;\nvec3 invertedColor = vec3(1.0) - origColor;\ngl_FragColor = vec4(invertedColor * color.a, color.a);\n}\n"),j(e,l.THRESHOLD,"// Convert pixels to either white or black, \n// depending on if their luma is above or below filterParameter\n\nprecision highp float;\n\nvarying vec2 vTexCoord;\n\nuniform sampler2D tex0;\nuniform float filterParameter;\n\nfloat luma(vec3 color) {\n // weighted grayscale with luminance values\n return dot(color, vec3(0.2126, 0.7152, 0.0722));\n}\n\nvoid main() {\n vec4 color = texture2D(tex0, vTexCoord);\n float gray = luma(color.rgb / color.a);\n // floor() used to match src/image/filters.js\n float threshold = floor(filterParameter * 255.0) / 255.0;\n float blackOrWhite = step(threshold, gray);\n gl_FragColor = vec4(vec3(blackOrWhite) * color.a, color.a);\n}\n");var k=e;function O(e,t,r,o,n,s,i,a,l,u){var c=t.getParameter(t.FRAMEBUFFER_BINDING),r=(t.bindFramebuffer(t.FRAMEBUFFER,r),a===t.RGBA?4:3),d=s*i*r,h=l===t.UNSIGNED_BYTE?Uint8Array:Float32Array;if(e instanceof h&&e.length===d||(e=new h(d)),t.readPixels(o,u?u-n-i:n,s,i,a,l,e),t.bindFramebuffer(t.FRAMEBUFFER,c),u)for(var f=Math.floor(i/2),p=new h(s*r),m=0;m>7,127&d,c>>7,127&c);for(var h=0;h>7,127&f,0,0)}}return{cellImageInfo:a,dimOffset:t,dimImageInfo:n}}}}]),t}();B.default.RendererGL.prototype._renderText=function(e,t,r,o,n){if(this._textFont&&"string"!=typeof this._textFont){if(!(n<=o)&&this._doFill){if(this._isOpenType()){e.push();var n=this._doStroke,s=this.drawMode,i=(this._doStroke=!1,this.drawMode=E.TEXTURE,this._textFont.font),a=(a=this._textFont._fontInfo)||(this._textFont._fontInfo=new M(i)),r=this._textFont._handleAlignment(this,t,r,o),o=this._textSize/i.unitsPerEm,l=(this.translate(r.x,r.y,0),this.scale(o,o,1),this.GL),r=!this._defaultFontShader,u=this._getFontShader(),c=(u.init(),u.bindShader(),r&&(u.setUniform("uGridImageSize",[64,64]),u.setUniform("uCellsImageSize",[64,64]),u.setUniform("uStrokeImageSize",[64,64]),u.setUniform("uGridSize",[9,9])),this._applyColorBlend(this.curFillColor),this.retainedMode.geometry.glyph),d=(c||((o=this._textGeom=new B.default.Geometry(1,1,function(){for(var e=0;e<=1;e++)for(var t=0;t<=1;t++)this.vertices.push(new B.default.Vector(t,e,0)),this.uvs.push(t,e)})).computeFaces().computeNormals(),c=this.createBuffers("glyph",o)),!0),r=!1,o=void 0;try{for(var h,f=this.retainedMode.buffers.text[Symbol.iterator]();!(d=(h=f.next()).done);d=!0)h.value._prepareBuffer(c,u)}catch(e){r=!0,o=e}finally{try{d||null==f.return||f.return()}finally{if(r)throw o}}this._bindBuffer(c.indexBuffer,l.ELEMENT_ARRAY_BUFFER),u.setUniform("uMaterialColor",this.curFillColor),l.pixelStorei(l.UNPACK_PREMULTIPLY_ALPHA_WEBGL,!1);try{var p=0,m=null,y=i.stringToGlyphs(t),g=!0,v=!1,b=void 0;try{for(var j,_=y[Symbol.iterator]();!(g=(j=_.next()).done);g=!0){var x,w,S=j.value,T=(m&&(p+=i.getKerningValue(m,S)),a.getGlyphInfo(S));T.uGlyphRect&&(x=T.rowInfo,w=T.colInfo,u.setUniform("uSamplerStrokes",T.strokeImageInfo.imageData),u.setUniform("uSamplerRowStrokes",x.cellImageInfo.imageData),u.setUniform("uSamplerRows",x.dimImageInfo.imageData),u.setUniform("uSamplerColStrokes",w.cellImageInfo.imageData),u.setUniform("uSamplerCols",w.dimImageInfo.imageData),u.setUniform("uGridOffset",T.uGridOffset),u.setUniform("uGlyphRect",T.uGlyphRect),u.setUniform("uGlyphOffset",p),u.bindTextures(),l.drawElements(l.TRIANGLES,6,this.GL.UNSIGNED_SHORT,0)),p+=S.advanceWidth,m=S}}catch(e){v=!0,b=e}finally{try{g||null==_.return||_.return()}finally{if(v)throw b}}}finally{u.unbindShader(),this._doStroke=n,this.drawMode=s,l.pixelStorei(l.UNPACK_PREMULTIPLY_ALPHA_WEBGL,!0),e.pop()}}else console.log("WEBGL: only Opentype (.otf) and Truetype (.ttf) fonts are supported");return e}}else console.log("WEBGL: you must load and set a font before drawing text. See `loadFont` and `textFont` for more details.")}},{"../core/constants":272,"../core/main":283,"./p5.RendererGL.Retained":340,"./p5.Shader":342,"core-js/modules/es.array.iterator":165,"core-js/modules/es.object.get-own-property-descriptor":186,"core-js/modules/es.object.to-string":190,"core-js/modules/es.regexp.exec":195,"core-js/modules/es.string.iterator":200,"core-js/modules/es.string.split":206,"core-js/modules/es.string.sub":208,"core-js/modules/es.symbol":212,"core-js/modules/es.symbol.description":210,"core-js/modules/es.symbol.iterator":211,"core-js/modules/es.weak-map":244,"core-js/modules/web.dom-collections.iterator":246}]},{},[267])(267)}); \ No newline at end of file diff --git a/examples/pixel-manipulation/03-tinker-pixels/lib/p5.grain.min.js b/examples/pixel-manipulation/03-tinker-pixels/lib/p5.grain.min.js index 5f132fa..bdb8a1b 100644 --- a/examples/pixel-manipulation/03-tinker-pixels/lib/p5.grain.min.js +++ b/examples/pixel-manipulation/03-tinker-pixels/lib/p5.grain.min.js @@ -1,8 +1,8 @@ /**! * p5.grain * - * @version 0.7.0 + * @version 0.8.0 * @license MIT * @copyright meezwhite, Gorilla Sun */ -class P5Grain{version="0.7.0";instance;#t;#i;#n;constructor(){this.#t=Math.random,this.#i={frameCount:0},this.#n={frameCount:0,tX_anchor:0,tX:0,tY:0}}setup(t){void 0===t?this.#t=random:"object"==typeof t&&("function"==typeof t.random&&(this.#t=t.random),"object"==typeof t.instance&&(this.instance=t.instance))}granulateSimple(t,i,n){this.applyMonochromaticGrain(t,i,n)}applyMonochromaticGrain(t,i,n){const e=this.instance?this.instance.round(t):round(t),a=i||!1;n?n.loadPixels():this.instance?this.instance.loadPixels():loadPixels();const s=n?n.pixelDensity():this.instance?this.instance.pixelDensity():pixelDensity(),r=(n?n.width:this.instance?this.instance.width:width)*s*4*((n?n.height:this.instance?this.instance.height:height)*s),h=n?n.pixels:this.instance?this.instance.pixels:pixels;for(let t=0;t=n){const n=i&&i.amount?this.instance?this.instance.round(i.amount):round(i.amount):this.instance?this.instance.min(this.instance.width,this.instance.height):min(width,height),e=this.#t()*n,a=this.#t()*n,s=this.instance?this.instance.floor(e):floor(e),r=this.instance?this.instance.floor(a):floor(a),h=`${s}px ${r}px`;t instanceof HTMLElement?t.style.backgroundPosition=h:t instanceof SVGElement?(t.style.top=-r+"px",t.style.left=-s+"px"):t instanceof p5.Element&&t.style("background-position",h),this.#i.frameCount=0}}textureOverlay(t,i,n){const e=n instanceof p5.Graphics,a=e?n.width:this.instance?this.instance.width:width,s=e?n.height:this.instance?this.instance.height:height,r=i&&i.mode?i.mode:this.instance?this.instance.MULTIPLY:MULTIPLY,h=!(!i||!i.reflect)&&i.reflect,o=!(!i||!i.animate)&&i.animate,c=i&&i.animate&&i.animate.atFrame?this.instance?this.instance.round(i.animate.atFrame):round(i.animate.atFrame):2,l=i&&i.animate&&i.animate.amount?this.instance?this.instance.round(i.animate.amount):round(i.animate.amount):this.instance?this.instance.min(a,s):min(a,s),p=i&&"number"==typeof i.width?i.width:t.width,u=i&&"number"==typeof i.height?i.height:t.height;if(o&&(this.#n.frameCount+=1,this.#n.frameCount>=c)){const t=this.#t()*l,i=this.#t()*l;this.#n.tX_anchor=this.instance?-this.instance.floor(t):-floor(t),this.#n.tY=this.instance?-this.instance.floor(i):-floor(i),this.#n.frameCount=0}let m=this.#n.tX_anchor,d=this.#n.tY,x=!0,g=!0;for(n?n.blendMode(r):this.instance?this.instance.blendMode(r):blendMode(r);d=a){g=!0,m=this.#n.tX_anchor,d+=u;break}g=!g}x=!x}n?n.blendMode(this.instance?this.instance.BLEND:BLEND):this.instance?this.instance.blendMode(this.instance.BLEND):blendMode(BLEND),e&&n.reset()}#e(t,i){return t=Math.ceil(t),i=Math.floor(i),Math.floor(this.#t()*(i-t+1)+t)}}const p5grain=new P5Grain;p5.prototype.granulateSimple=function(t,i){return p5grain.granulateSimple(t,i)},p5.Graphics.prototype.granulateSimple=function(t,i){return p5grain.granulateSimple(t,i,this)},p5.prototype.granulateChannels=function(t,i){return p5grain.granulateChannels(t,i)},p5.Graphics.prototype.granulateChannels=function(t,i){return p5grain.granulateChannels(t,i,this)},p5.prototype.applyMonochromaticGrain=function(t,i){return p5grain.applyMonochromaticGrain(t,i)},p5.Graphics.prototype.applyMonochromaticGrain=function(t,i){return p5grain.applyMonochromaticGrain(t,i,this)},p5.prototype.applyChromaticGrain=function(t,i){return p5grain.applyChromaticGrain(t,i)},p5.Graphics.prototype.applyChromaticGrain=function(t,i){return p5grain.applyChromaticGrain(t,i,this)},p5.prototype.tinkerPixels=function(t,i){return p5grain.tinkerPixels(t,i)},p5.Graphics.prototype.tinkerPixels=function(t,i){return p5grain.tinkerPixels(t,i,this)},p5.prototype.loopPixels=function(t,i){return p5grain.loopPixels(t,i)},p5.Graphics.prototype.loopPixels=function(t,i){return p5grain.loopPixels(t,i,this)},p5.prototype.textureAnimate=function(t,i){return p5grain.textureAnimate(t,i)},p5.prototype.textureOverlay=function(t,i){return p5grain.textureOverlay(t,i)},p5.Graphics.prototype.textureOverlay=function(t,i){return p5grain.textureOverlay(t,i,this)}; +class P5Grain{version="0.8.0";instance;#t;#i;#e;#n;#a;constructor(){this.#s("float"),this.#n={frameCount:0},this.#a={frameCount:0,tX_anchor:0,tX:0,tY:0}}setup(t){"object"==typeof t&&("function"==typeof t.random&&(this.#t=t.random),"string"==typeof t.randomMode&&this.#s(t.randomMode),"object"==typeof t.instance&&(this.instance=t.instance)),void 0===this.#t&&(this.#t=p5.prototype.random)}applyMonochromaticGrain(t,i,e){const n=i||!1;let a,s,r,o;e?(e.loadPixels(),a=e.pixelDensity(),s=e.width,r=e.height,o=e.pixels):this.instance?(this.instance.loadPixels(),a=this.instance.pixelDensity(),s=this.instance.width,r=this.instance.height,o=this.instance.pixels):(loadPixels(),a=pixelDensity(),s=width,r=height,o=pixels);const h=s*a*4*(r*a),{min:p,max:c}=this.#r(-t,t);for(let t=0;t=e){const e=i&&i.amount?Math.round(i.amount):this.instance?Math.min(this.instance.width,this.instance.height):Math.min(width,height),n=this.#t()*e,a=this.#t()*e,s=Math.floor(n),r=Math.floor(a),o=`${s}px ${r}px`;t instanceof HTMLElement?t.style.backgroundPosition=o:t instanceof SVGElement?(t.style.top=-r+"px",t.style.left=-s+"px"):t instanceof p5.Element&&t.style("background-position",o),this.#n.frameCount=0}}textureOverlay(t,i,e){const n=e instanceof p5.Graphics;let a,s;n?(a=e.width,s=e.height):this.instance?(a=this.instance.width,s=this.instance.height):(a=width,s=height);const r=i&&i.mode?i.mode:this.instance?this.instance.MULTIPLY:MULTIPLY,o=!(!i||!i.reflect)&&i.reflect,h=!(!i||!i.animate)&&i.animate,p=i&&i.animate&&i.animate.atFrame?Math.round(i.animate.atFrame):2,c=i&&i.animate&&i.animate.amount?Math.round(i.animate.amount):Math.min(a,s),l=i&&"number"==typeof i.width?i.width:t.width,m=i&&"number"==typeof i.height?i.height:t.height;if(h&&(this.#a.frameCount+=1,this.#a.frameCount>=p)){const t=this.#t()*c,i=this.#t()*c;this.#a.tX_anchor=-Math.floor(t),this.#a.tY=-Math.floor(i),this.#a.frameCount=0}let d=this.#a.tX_anchor,u=this.#a.tY,x=!0,y=!0;for(e?e.blendMode(r):this.instance?this.instance.blendMode(r):blendMode(r);u=a){y=!0,d=this.#a.tX_anchor,u+=m;break}y=!y}x=!x}e?e.blendMode(this.instance?this.instance.BLEND:BLEND):this.instance?this.instance.blendMode(this.instance.BLEND):blendMode(BLEND),n&&e.reset()}#s(t){switch(t){case"int":this.#e=1,this.#i=this.#o;break;case"float":this.#e=0,this.#i=this.#h}}#r(t,i){return 1==this.#e?{min:Math.ceil(t),max:Math.floor(i)}:{min:t,max:i}}#o(t,i){return Math.floor(this.#t()*(i-t+1)+t)}#h(t,i){return this.#t()*(i-t)+t}}const p5grain=new P5Grain;p5.prototype.applyMonochromaticGrain=function(t,i){return p5grain.applyMonochromaticGrain(t,i)},p5.Graphics.prototype.applyMonochromaticGrain=function(t,i){return p5grain.applyMonochromaticGrain(t,i,this)},p5.Image.prototype.applyMonochromaticGrain=function(t,i){return p5grain.applyMonochromaticGrain(t,i,this)},p5.prototype.applyChromaticGrain=function(t,i){return p5grain.applyChromaticGrain(t,i)},p5.Graphics.prototype.applyChromaticGrain=function(t,i){return p5grain.applyChromaticGrain(t,i,this)},p5.Image.prototype.applyChromaticGrain=function(t,i){return p5grain.applyChromaticGrain(t,i,this)},p5.prototype.tinkerPixels=function(t,i){return p5grain.tinkerPixels(t,i)},p5.Graphics.prototype.tinkerPixels=function(t,i){return p5grain.tinkerPixels(t,i,this)},p5.Image.prototype.tinkerPixels=function(t,i){return p5grain.tinkerPixels(t,i,this)},p5.prototype.loopPixels=function(t,i){return p5grain.loopPixels(t,i)},p5.Graphics.prototype.loopPixels=function(t,i){return p5grain.loopPixels(t,i,this)},p5.Image.prototype.loopPixels=function(t,i){return p5grain.loopPixels(t,i,this)},p5.prototype.textureAnimate=function(t,i){return p5grain.textureAnimate(t,i)},p5.prototype.textureOverlay=function(t,i){return p5grain.textureOverlay(t,i)},p5.Graphics.prototype.textureOverlay=function(t,i){return p5grain.textureOverlay(t,i,this)}; diff --git 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                                                      Grid Output

                                                        '),this.dummyDOM.querySelector(i)?this.dummyDOM.querySelector(i).insertAdjacentHTML("afterend",n):this.dummyDOM.querySelector("#".concat(o)).innerHTML=n,this._accessibleOutputs[r].map=this.dummyDOM.querySelector("#".concat(r,"_map"))),this._accessibleOutputs[r].shapeDetails=this.dummyDOM.querySelector("#".concat(r,"_shapeDetails")),this._accessibleOutputs[r].summary=this.dummyDOM.querySelector("#".concat(r,"_summary"))},o.default.prototype._updateAccsOutput=function(){var e=this.canvas.id;JSON.stringify(this.ingredients.shapes)!==this.ingredients.pShapes&&(this.ingredients.pShapes=JSON.stringify(this.ingredients.shapes),this._accessibleOutputs.text&&this._updateTextOutput(e+"textOutput"),this._accessibleOutputs.grid&&this._updateGridOutput(e+"gridOutput"),this._accessibleOutputs.textLabel&&this._updateTextOutput(e+"textOutputLabel"),this._accessibleOutputs.gridLabel&&this._updateGridOutput(e+"gridOutputLabel"))},o.default.prototype._accsBackground=function(e){this.ingredients.pShapes=JSON.stringify(this.ingredients.shapes),this.ingredients.shapes={},this.ingredients.colors.backgroundRGBA!==e&&(this.ingredients.colors.backgroundRGBA=e,this.ingredients.colors.background=this._rgbColorName(e))},o.default.prototype._accsCanvasColors=function(e,t){"fill"===e?this.ingredients.colors.fillRGBA!==t&&(this.ingredients.colors.fillRGBA=t,this.ingredients.colors.fill=this._rgbColorName(t)):"stroke"===e&&this.ingredients.colors.strokeRGBA!==t&&(this.ingredients.colors.strokeRGBA=t,this.ingredients.colors.stroke=this._rgbColorName(t))},o.default.prototype._accsOutput=function(e,t){"ellipse"===e&&t[2]===t[3]?e="circle":"rectangle"===e&&t[2]===t[3]&&(e="square");var r,o,n={},s=!0,i=function(e,t){var r;e="rectangle"===e||"ellipse"===e||"arc"===e||"circle"===e||"square"===e?(r=Math.round(t[0]+t[2]/2),Math.round(t[1]+t[3]/2)):"triangle"===e?(r=(t[0]+t[2]+t[4])/3,(t[1]+t[3]+t[5])/3):"quadrilateral"===e?(r=(t[0]+t[2]+t[4]+t[6])/4,(t[1]+t[3]+t[5]+t[7])/4):"line"===e?(r=(t[0]+t[2])/2,(t[1]+t[3])/2):(r=t[0],t[1]);return[r,e]}(e,t);if("line"===e?(n.color=this.ingredients.colors.stroke,n.length=Math.round(this.dist(t[0],t[1],t[2],t[3])),r=this._getPos(t[0],[1]),o=this._getPos(t[2],[3]),n.loc=u(i,this.width,this.height),n.pos=r===o?"at ".concat(r):"from ".concat(r," to ").concat(o)):("point"===e?n.color=this.ingredients.colors.stroke:(n.color=this.ingredients.colors.fill,n.area=this._getArea(e,t)),n.pos=this._getPos.apply(this,l(i)),n.loc=u(i,this.width,this.height)),this.ingredients.shapes[e]){if(this.ingredients.shapes[e]!==[n]){for(var a in this.ingredients.shapes[e])JSON.stringify(this.ingredients.shapes[e][a])===JSON.stringify(n)&&(s=!1);!0===s&&this.ingredients.shapes[e].push(n)}}else this.ingredients.shapes[e]=[n]},o.default.prototype._getPos=function(e,t){var e=new DOMPointReadOnly(e,t),t=this._renderer.isP3D?new DOMMatrix(this._renderer.uMVMatrix.mat4):this.drawingContext.getTransform(),e=e.matrixTransform(t),t=e.x,e=e.y,r=this.width,o=this.height;return t<.4*r?e<.4*o?"top left":.6*oMath.PI?n+=o:n-=o)):"ellipse"===e||"circle"===e?n=3.14*t[2]/2*t[3]/2:"line"===e||"point"===e?n=0:"quadrilateral"===e?n=Math.abs((t[6]+t[0])*(t[7]-t[1])+(t[0]+t[2])*(t[1]-t[3])+(t[2]+t[4])*(t[3]-t[5])+(t[4]+t[6])*(t[5]-t[7]))/2:"rectangle"===e||"square"===e?n=t[2]*t[3]:"triangle"===e&&(n=Math.abs(t[0]*(t[3]-t[5])+t[2]*(t[5]-t[1])+t[4]*(t[1]-t[3]))/2),this.width*this._pixelDensity),i=this.height*this._pixelDensity,a=[new DOMPoint(0,0),new DOMPoint(s,0),new DOMPoint(s,i),new DOMPoint(0,i)],l=(this._renderer.isP3D?new DOMMatrix(this._renderer.uMVMatrix.mat4):this.drawingContext.getTransform()).inverse(),u=a.map(function(e){return e.matrixTransform(l)}),c=Math.abs((u[3].x+u[0].x)*(u[3].y-u[0].y)+(u[0].x+u[1].x)*(u[0].y-u[1].y)+(u[1].x+u[2].x)*(u[1].y-u[2].y)+(u[2].x+u[3].x)*(u[2].y-u[3].y))/2;return Math.round(100*n/c)};e=o.default;r.default=e},{"../core/main":275,"core-js/modules/es.array.concat":151,"core-js/modules/es.array.fill":154,"core-js/modules/es.array.from":158,"core-js/modules/es.array.iterator":161,"core-js/modules/es.array.map":164,"core-js/modules/es.number.to-fixed":175,"core-js/modules/es.object.to-string":182,"core-js/modules/es.regexp.to-string":188,"core-js/modules/es.string.iterator":192,"core-js/modules/es.symbol":204,"core-js/modules/es.symbol.description":202,"core-js/modules/es.symbol.iterator":203,"core-js/modules/web.dom-collections.iterator":238}],258:[function(e,t,r){"use strict";e("core-js/modules/es.array.concat"),e("core-js/modules/es.array.concat"),Object.defineProperty(r,"__esModule",{value:!0}),r.default=void 0;e=(e=e("../core/main"))&&e.__esModule?e:{default:e};e.default.prototype._updateTextOutput=function(e){var t,r,o,n;this.dummyDOM.querySelector("#".concat(e,"_summary"))&&(t=this._accessibleOutputs[e],o=function(e,t,r,o){r="Your output is a, ".concat(r," by ").concat(o," pixels, ").concat(t," canvas containing the following");r=1===e?"".concat(r," shape:"):"".concat(r," ").concat(e," shapes:");return r}((r=function(e,t){var r,o="",n=0;for(r in t)for(var s in t[r]){var i='
                                                      • ').concat(t[r][s].color," ").concat(r,"");"line"===r?i+=", ".concat(t[r][s].pos,", ").concat(t[r][s].length," pixels long.
                                                        • "):(i+=", at ".concat(t[r][s].pos),"point"!==r&&(i+=", covering ".concat(t[r][s].area,"% of the canvas")),i+="."),o+=i,n++}return{numShapes:n,listShapes:o}}(e,this.ingredients.shapes)).numShapes,this.ingredients.colors.background,this.width,this.height),n=function(e,t){var r,o="",n=0;for(r in t)for(var s in t[r]){var i='').concat(t[r][s].color," ").concat(r,"");"line"===r?i+="location = ".concat(t[r][s].pos,"length = ").concat(t[r][s].length," pixels"):(i+="location = ".concat(t[r][s].pos,""),"point"!==r&&(i+=" area = ".concat(t[r][s].area,"%")),i+=""),o+=i,n++}return o}(e,this.ingredients.shapes),o!==t.summary.innerHTML&&(t.summary.innerHTML=o),r.listShapes!==t.list.innerHTML&&(t.list.innerHTML=r.listShapes),n!==t.shapeDetails.innerHTML&&(t.shapeDetails.innerHTML=n),this._accessibleOutputs[e]=t)};e=e.default;r.default=e},{"../core/main":275,"core-js/modules/es.array.concat":151}],259:[function(e,t,r){"use strict";var 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s;Object.prototype.hasOwnProperty.call(e,r)&&((s=n?Object.getOwnPropertyDescriptor(e,r):null)&&(s.get||s.set)?Object.defineProperty(o,r,s):o[r]=e[r])}o.default=e,t&&t.set(e,o);return o}(e("../core/constants"));function a(){var e;return"function"!=typeof WeakMap?null:(e=new WeakMap,a=function(){return e},e)}e("./p5.Color"),e("../core/friendly_errors/validate_params"),e("../core/friendly_errors/file_errors"),e("../core/friendly_errors/fes_core"),l.default.prototype.alpha=function(e){return l.default._validateParameters("alpha",arguments),this.color(e)._getAlpha()},l.default.prototype.blue=function(e){return l.default._validateParameters("blue",arguments),this.color(e)._getBlue()},l.default.prototype.brightness=function(e){return l.default._validateParameters("brightness",arguments),this.color(e)._getBrightness()},l.default.prototype.color=function(){var e;return l.default._validateParameters("color",arguments),arguments[0]instanceof l.default.Color?arguments[0]:(e=arguments[0]instanceof 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curve (after t1)?\n if (y1 ? !y2 : y0) {\n // add the coverage for t1\n coverage.x += saturate(C1.x + 0.5);\n // calculate the anti-aliasing for t1\n weight.x = min(weight.x, abs(C1.x));\n }\n\n // are we outside the curve (after t2)?\n if (y1 ? !y0 : y2) {\n // subtract the coverage for t2\n coverage.x -= saturate(C2.x + 0.5);\n // calculate the anti-aliasing for t2\n weight.x = min(weight.x, abs(C2.x));\n }\n}\n\n// this is essentially the same as coverageX, but with the axes swapped\nvoid coverageY(vec2 p0, vec2 p1, vec2 p2) {\n\n vec2 C1, C2;\n calulateCrossings(p0, p1, p2, C1, C2);\n\n bool x0 = p0.x > vTexCoord.x;\n bool x1 = p1.x > vTexCoord.x;\n bool x2 = p2.x > vTexCoord.x;\n\n if (x1 ? !x2 : x0) {\n coverage.y -= saturate(C1.y + 0.5);\n weight.y = min(weight.y, abs(C1.y));\n }\n\n if (x1 ? !x0 : x2) {\n coverage.y += saturate(C2.y + 0.5);\n weight.y = min(weight.y, abs(C2.y));\n }\n}\n\nvoid main() {\n\n // calculate the pixel scale based on screen-coordinates\n pixelScale = hardness / fwidth(vTexCoord);\n\n // which grid cell is this pixel in?\n ivec2 gridCoord = ifloor(vTexCoord * vec2(uGridSize));\n\n // intersect curves in this row\n {\n // the index into the row info bitmap\n int rowIndex = gridCoord.y + uGridOffset.y;\n // fetch the info texel\n vec4 rowInfo = getTexel(uSamplerRows, rowIndex, uGridImageSize);\n // unpack the rowInfo\n int rowStrokeIndex = getInt16(rowInfo.xy);\n int rowStrokeCount = getInt16(rowInfo.zw);\n\n for (int iRowStroke = INT(0); iRowStroke < N; iRowStroke++) {\n if (iRowStroke >= rowStrokeCount)\n break;\n\n // each stroke is made up of 3 points: the start and control point\n // and the start of the next curve.\n // fetch the indices of this pair of strokes:\n vec4 strokeIndices = getTexel(uSamplerRowStrokes, rowStrokeIndex++, uCellsImageSize);\n\n // unpack the stroke index\n int strokePos = getInt16(strokeIndices.xy);\n\n // fetch the two strokes\n vec4 stroke0 = getTexel(uSamplerStrokes, strokePos + INT(0), uStrokeImageSize);\n vec4 stroke1 = getTexel(uSamplerStrokes, strokePos + INT(1), uStrokeImageSize);\n\n // calculate the coverage\n coverageX(stroke0.xy, stroke0.zw, stroke1.xy);\n }\n }\n\n // intersect curves in this column\n {\n int colIndex = gridCoord.x + uGridOffset.x;\n vec4 colInfo = getTexel(uSamplerCols, colIndex, uGridImageSize);\n int colStrokeIndex = getInt16(colInfo.xy);\n int colStrokeCount = getInt16(colInfo.zw);\n \n for (int iColStroke = INT(0); iColStroke < N; iColStroke++) {\n if (iColStroke >= colStrokeCount)\n break;\n\n vec4 strokeIndices = getTexel(uSamplerColStrokes, colStrokeIndex++, uCellsImageSize);\n\n int strokePos = getInt16(strokeIndices.xy);\n vec4 stroke0 = getTexel(uSamplerStrokes, strokePos + INT(0), uStrokeImageSize);\n vec4 stroke1 = getTexel(uSamplerStrokes, strokePos + INT(1), uStrokeImageSize);\n coverageY(stroke0.xy, stroke0.zw, stroke1.xy);\n }\n }\n\n weight = saturate(1.0 - weight * 2.0);\n float distance = max(weight.x + weight.y, minDistance); // manhattan approx.\n float antialias = abs(dot(coverage, weight) / distance);\n float cover = min(abs(coverage.x), abs(coverage.y));\n OUT_COLOR = vec4(uMaterialColor.rgb, 1.) * uMaterialColor.a;\n OUT_COLOR *= saturate(max(antialias, cover));\n}\n",lineVert:T+"/*\n Part of the Processing project - http://processing.org\n Copyright (c) 2012-15 The Processing Foundation\n Copyright (c) 2004-12 Ben Fry and Casey Reas\n Copyright (c) 2001-04 Massachusetts Institute of Technology\n This library is free software; you can redistribute it and/or\n modify it under the terms of the GNU Lesser General Public\n License as published by the Free Software Foundation, version 2.1.\n This library is distributed in the hope that it will be useful,\n but WITHOUT ANY WARRANTY; without even the implied warranty of\n MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU\n Lesser General Public License for more details.\n You should have received a copy of the GNU Lesser General\n Public License along with this library; if not, write to the\n Free Software Foundation, Inc., 59 Temple Place, Suite 330,\n Boston, MA 02111-1307 USA\n*/\n\n#define PROCESSING_LINE_SHADER\n\nprecision mediump int;\n\nuniform mat4 uModelViewMatrix;\nuniform mat4 uProjectionMatrix;\nuniform float uStrokeWeight;\n\nuniform bool uUseLineColor;\nuniform vec4 uMaterialColor;\n\nuniform vec4 uViewport;\nuniform int uPerspective;\nuniform int uStrokeJoin;\n\nIN vec4 aPosition;\nIN vec3 aTangentIn;\nIN vec3 aTangentOut;\nIN float aSide;\nIN vec4 aVertexColor;\n\nOUT vec4 vColor;\nOUT vec2 vTangent;\nOUT vec2 vCenter;\nOUT vec2 vPosition;\nOUT float vMaxDist;\nOUT float vCap;\nOUT float vJoin;\n\nvec2 lineIntersection(vec2 aPoint, vec2 aDir, vec2 bPoint, vec2 bDir) {\n // Rotate and translate so a starts at the origin and goes out to the right\n bPoint -= aPoint;\n vec2 rotatedBFrom = vec2(\n bPoint.x*aDir.x + bPoint.y*aDir.y,\n bPoint.y*aDir.x - bPoint.x*aDir.y\n );\n vec2 bTo = bPoint + bDir;\n vec2 rotatedBTo = vec2(\n bTo.x*aDir.x + bTo.y*aDir.y,\n bTo.y*aDir.x - bTo.x*aDir.y\n );\n float intersectionDistance =\n rotatedBTo.x + (rotatedBFrom.x - rotatedBTo.x) * rotatedBTo.y /\n (rotatedBTo.y - rotatedBFrom.y);\n return aPoint + aDir * intersectionDistance;\n}\n\nvoid main() {\n // Caps have one of either the in or out tangent set to 0\n vCap = (aTangentIn == vec3(0.)) != (aTangentOut == (vec3(0.)))\n ? 1. : 0.;\n\n // Joins have two unique, defined tangents\n vJoin = (\n aTangentIn != vec3(0.) &&\n aTangentOut != vec3(0.) &&\n aTangentIn != aTangentOut\n ) ? 1. : 0.;\n\n vec4 posp = uModelViewMatrix * aPosition;\n vec4 posqIn = uModelViewMatrix * (aPosition + vec4(aTangentIn, 0));\n vec4 posqOut = uModelViewMatrix * (aPosition + vec4(aTangentOut, 0));\n\n float facingCamera = pow(\n // The word space tangent's z value is 0 if it's facing the camera\n abs(normalize(posqIn-posp).z),\n\n // Using pow() here to ramp `facingCamera` up from 0 to 1 really quickly\n // so most lines get scaled and don't get clipped\n 0.25\n );\n\n // using a scale <1 moves the lines towards the camera\n // in order to prevent popping effects due to half of\n // the line disappearing behind the geometry faces.\n float scale = mix(1., 0.995, facingCamera);\n\n // Moving vertices slightly toward the camera\n // to avoid depth-fighting with the fill triangles.\n // Discussed here:\n // http://www.opengl.org/discussion_boards/ubbthreads.php?ubb=showflat&Number=252848 \n posp.xyz = posp.xyz * scale;\n posqIn.xyz = posqIn.xyz * scale;\n posqOut.xyz = posqOut.xyz * scale;\n\n vec4 p = uProjectionMatrix * posp;\n vec4 qIn = uProjectionMatrix * posqIn;\n vec4 qOut = uProjectionMatrix * posqOut;\n vCenter = p.xy;\n\n // formula to convert from clip space (range -1..1) to screen space (range 0..[width or height])\n // screen_p = (p.xy/p.w + <1,1>) * 0.5 * uViewport.zw\n\n // prevent division by W by transforming the tangent formula (div by 0 causes\n // the line to disappear, see https://github.com/processing/processing/issues/5183)\n // t = screen_q - screen_p\n //\n // tangent is normalized and we don't care which aDirection it points to (+-)\n // t = +- normalize( screen_q - screen_p )\n // t = +- normalize( (q.xy/q.w+<1,1>)*0.5*uViewport.zw - (p.xy/p.w+<1,1>)*0.5*uViewport.zw )\n //\n // extract common factor, <1,1> - <1,1> cancels out\n // t = +- normalize( (q.xy/q.w - p.xy/p.w) * 0.5 * uViewport.zw )\n //\n // convert to common divisor\n // t = +- normalize( ((q.xy*p.w - p.xy*q.w) / (p.w*q.w)) * 0.5 * uViewport.zw )\n //\n // remove the common scalar divisor/factor, not needed due to normalize and +-\n // (keep uViewport - can't remove because it has different components for x and y\n // and corrects for aspect ratio, see https://github.com/processing/processing/issues/5181)\n // t = +- normalize( (q.xy*p.w - p.xy*q.w) * uViewport.zw )\n\n vec2 tangentIn = normalize((qIn.xy*p.w - p.xy*qIn.w) * uViewport.zw);\n vec2 tangentOut = normalize((qOut.xy*p.w - p.xy*qOut.w) * uViewport.zw);\n\n vec2 curPerspScale;\n if(uPerspective == 1) {\n // Perspective ---\n // convert from world to clip by multiplying with projection scaling factor\n // to get the right thickness (see https://github.com/processing/processing/issues/5182)\n\n // The y value of the projection matrix may be flipped if rendering to a Framebuffer.\n // Multiplying again by its sign here negates the flip to get just the scale.\n curPerspScale = (uProjectionMatrix * vec4(1, sign(uProjectionMatrix[1][1]), 0, 0)).xy;\n } else {\n // No Perspective ---\n // multiply by W (to cancel out division by W later in the pipeline) and\n // convert from screen to clip (derived from clip to screen above)\n curPerspScale = p.w / (0.5 * uViewport.zw);\n }\n\n vec2 offset;\n if (vJoin == 1.) {\n vTangent = normalize(tangentIn + tangentOut);\n vec2 normalIn = vec2(-tangentIn.y, tangentIn.x);\n vec2 normalOut = vec2(-tangentOut.y, tangentOut.x);\n float side = sign(aSide);\n float sideEnum = abs(aSide);\n\n // We generate vertices for joins on either side of the centerline, but\n // the \"elbow\" side is the only one needing a join. By not setting the\n // offset for the other side, all its vertices will end up in the same\n // spot and not render, effectively discarding it.\n if (sign(dot(tangentOut, vec2(-tangentIn.y, tangentIn.x))) != side) {\n // Side enums:\n // 1: the side going into the join\n // 2: the middle of the join\n // 3: the side going out of the join\n if (sideEnum == 2.) {\n // Calculate the position + tangent on either side of the join, and\n // find where the lines intersect to find the elbow of the join\n vec2 c = (posp.xy/posp.w + vec2(1.,1.)) * 0.5 * uViewport.zw;\n vec2 intersection = lineIntersection(\n c + (side * normalIn * uStrokeWeight / 2.),\n tangentIn,\n c + (side * normalOut * uStrokeWeight / 2.),\n tangentOut\n );\n offset = (intersection - c);\n\n // When lines are thick and the angle of the join approaches 180, the\n // elbow might be really far from the center. We'll apply a limit to\n // the magnitude to avoid lines going across the whole screen when this\n // happens.\n float mag = length(offset);\n float maxMag = 3. * uStrokeWeight;\n if (mag > maxMag) {\n offset *= maxMag / mag;\n }\n } else if (sideEnum == 1.) {\n offset = side * normalIn * uStrokeWeight / 2.;\n } else if (sideEnum == 3.) {\n offset = side * normalOut * uStrokeWeight / 2.;\n }\n }\n if (uStrokeJoin == STROKE_JOIN_BEVEL) {\n vec2 avgNormal = vec2(-vTangent.y, vTangent.x);\n vMaxDist = abs(dot(avgNormal, normalIn * uStrokeWeight / 2.));\n } else {\n vMaxDist = uStrokeWeight / 2.;\n }\n } else {\n vec2 tangent = aTangentIn == vec3(0.) ? tangentOut : tangentIn;\n vTangent = tangent;\n vec2 normal = vec2(-tangent.y, tangent.x);\n\n float normalOffset = sign(aSide);\n // Caps will have side values of -2 or 2 on the edge of the cap that\n // extends out from the line\n float tangentOffset = abs(aSide) - 1.;\n offset = (normal * normalOffset + tangent * tangentOffset) *\n uStrokeWeight * 0.5;\n vMaxDist = uStrokeWeight / 2.;\n }\n vPosition = vCenter + offset;\n\n gl_Position.xy = p.xy + offset.xy * curPerspScale;\n gl_Position.zw = p.zw;\n \n vColor = (uUseLineColor ? aVertexColor : uMaterialColor);\n}\n",lineFrag:T+"precision mediump int;\n\nuniform vec4 uMaterialColor;\nuniform int uStrokeCap;\nuniform int uStrokeJoin;\nuniform float uStrokeWeight;\n\nIN vec4 vColor;\nIN vec2 vTangent;\nIN vec2 vCenter;\nIN vec2 vPosition;\nIN float vMaxDist;\nIN float vCap;\nIN float vJoin;\n\nfloat distSquared(vec2 a, vec2 b) {\n vec2 aToB = b - a;\n return dot(aToB, aToB);\n}\n\nvoid main() {\n if (vCap > 0.) {\n if (\n uStrokeCap == STROKE_CAP_ROUND &&\n distSquared(vPosition, vCenter) > uStrokeWeight * uStrokeWeight * 0.25\n ) {\n discard;\n } else if (\n uStrokeCap == STROKE_CAP_SQUARE &&\n dot(vPosition - vCenter, vTangent) > 0.\n ) {\n discard;\n }\n // Use full area for PROJECT\n } else if (vJoin > 0.) {\n if (\n uStrokeJoin == STROKE_JOIN_ROUND &&\n distSquared(vPosition, vCenter) > uStrokeWeight * uStrokeWeight * 0.25\n ) {\n discard;\n } else if (uStrokeJoin == STROKE_JOIN_BEVEL) {\n vec2 normal = vec2(-vTangent.y, vTangent.x);\n if (abs(dot(vPosition - vCenter, normal)) > vMaxDist) {\n discard;\n }\n }\n // Use full area for MITER\n }\n OUT_COLOR = vec4(vColor.rgb, 1.) * vColor.a;\n}\n",pointVert:"IN vec3 aPosition;\nuniform float uPointSize;\nOUT float vStrokeWeight;\nuniform mat4 uModelViewMatrix;\nuniform mat4 uProjectionMatrix;\nvoid main() {\n\tvec4 positionVec4 = vec4(aPosition, 1.0);\n\tgl_Position = uProjectionMatrix * uModelViewMatrix * positionVec4;\n\tgl_PointSize = uPointSize;\n\tvStrokeWeight = uPointSize;\n}\n",pointFrag:"precision mediump int;\nuniform vec4 uMaterialColor;\nIN float vStrokeWeight;\n\nvoid main(){\n float mask = 0.0;\n\n // make a circular mask using the gl_PointCoord (goes from 0 - 1 on a point)\n // might be able to get a nicer edge on big strokeweights with smoothstep but slightly less performant\n\n mask = step(0.98, length(gl_PointCoord * 2.0 - 1.0));\n\n // if strokeWeight is 1 or less lets just draw a square\n // this prevents weird artifacting from carving circles when our points are really small\n // if strokeWeight is larger than 1, we just use it as is\n\n mask = mix(0.0, mask, clamp(floor(vStrokeWeight - 0.5),0.0,1.0));\n\n // throw away the borders of the mask\n // otherwise we get weird alpha blending issues\n\n if(mask > 0.98){\n discard;\n }\n\n OUT_COLOR = vec4(uMaterialColor.rgb, 1.) * uMaterialColor.a;\n}\n",imageLightVert:"precision highp float;\nattribute vec3 aPosition;\nattribute vec3 aNormal;\nattribute vec2 aTexCoord;\n\nvarying vec3 localPos;\nvarying vec3 vWorldNormal;\nvarying vec3 vWorldPosition;\nvarying vec2 vTexCoord;\n\nuniform mat4 uModelViewMatrix;\nuniform mat4 uProjectionMatrix;\nuniform mat3 uNormalMatrix;\n\nvoid main() {\n // Multiply the position by the matrix.\n vec4 viewModelPosition = uModelViewMatrix * vec4(aPosition, 1.0);\n gl_Position = uProjectionMatrix * viewModelPosition; \n \n // orient the normals and pass to the fragment shader\n vWorldNormal = uNormalMatrix * aNormal;\n \n // send the view position to the fragment shader\n vWorldPosition = (uModelViewMatrix * vec4(aPosition, 1.0)).xyz;\n \n localPos = vWorldPosition;\n vTexCoord = aTexCoord;\n}\n\n\n/*\nin the vertex shader we'll compute the world position and world oriented normal of the vertices and pass those to the fragment shader as varyings.\n*/\n",imageLightDiffusedFrag:"precision highp float;\nvarying vec3 localPos;\n\n// the HDR cubemap converted (can be from an equirectangular environment map.)\nuniform sampler2D environmentMap;\nvarying vec2 vTexCoord;\n\nconst float PI = 3.14159265359;\n\nvec2 nTOE( vec3 v ){\n // x = r sin(phi) cos(theta) \n // y = r cos(phi) \n // z = r sin(phi) sin(theta)\n float phi = acos( v.y );\n // if phi is 0, then there are no x, z components\n float theta = 0.0;\n // else \n theta = acos(v.x / sin(phi));\n float sinTheta = v.z / sin(phi);\n if (sinTheta < 0.0) {\n // Turn it into -theta, but in the 0-2PI range\n theta = 2.0 * PI - theta;\n }\n theta = theta / (2.0 * 3.14159);\n phi = phi / 3.14159 ;\n \n vec2 angles = vec2( phi, theta );\n return angles;\n}\n\nvoid main()\n{ \t \n\t// the sample direction equals the hemisphere's orientation\n float phi = vTexCoord.x * 2.0 * PI;\n float theta = vTexCoord.y * PI;\n float x = sin(theta) * cos(phi);\n float y = sin(theta) * sin(phi);\n float z = cos(theta);\n vec3 normal = vec3( x, y, z);\n\n\t// Discretely sampling the hemisphere given the integral's\n // spherical coordinates translates to the following fragment code:\n\tvec3 irradiance = vec3(0.0); \n\tvec3 up\t= vec3(0.0, 1.0, 0.0);\n\tvec3 right = normalize(cross(up, normal));\n\tup = normalize(cross(normal, right));\n\n\t// We specify a fixed sampleDelta delta value to traverse\n // the hemisphere; decreasing or increasing the sample delta\n // will increase or decrease the accuracy respectively.\n\tconst float sampleDelta = 0.025;\n\tfloat nrSamples = 0.0;\n \n\tfor(float phi = 0.0; phi < 2.0 * PI; phi += sampleDelta)\n\t{\n for(float theta = 0.0; theta < ( 0.5 ) * PI; theta += sampleDelta)\n {\n // spherical to cartesian (in tangent space) // tangent space to world // add each sample result to irradiance\n float x = sin(theta) * cos(phi);\n float y = sin(theta) * sin(phi);\n float z = cos(theta);\n vec3 tangentSample = vec3( x, y, z);\n \n vec3 sampleVec = tangentSample.x * right + tangentSample.y * up + tangentSample.z * normal;\n irradiance += (texture2D(environmentMap, nTOE(sampleVec)).xyz) * cos(theta) * sin(theta);\n nrSamples++;\n }\n\t}\n\t// divide by the total number of samples taken, giving us the average sampled irradiance.\n\tirradiance = PI * irradiance * (1.0 / float(nrSamples )) ;\n \n \n\tgl_FragColor = vec4(irradiance, 1.0);\n}",imageLightSpecularFrag:"precision highp float;\r\nvarying vec3 localPos;\r\nvarying vec2 vTexCoord;\r\n\r\n// our texture\r\nuniform sampler2D environmentMap;\r\nuniform float roughness;\r\n\r\nconst float PI = 3.14159265359;\r\n\r\nfloat VanDerCorput(int bits);\r\nvec2 HammersleyNoBitOps(int i, int N);\r\nvec3 ImportanceSampleGGX(vec2 Xi, vec3 N, float roughness);\r\n\r\n\r\nvec2 nTOE( vec3 v ){\r\n // x = r sin(phi) cos(theta) \r\n // y = r cos(phi) \r\n // z = r sin(phi) sin(theta)\r\n float phi = acos( v.y );\r\n // if phi is 0, then there are no x, z components\r\n float theta = 0.0;\r\n // else \r\n theta = acos(v.x / sin(phi));\r\n float sinTheta = v.z / sin(phi);\r\n if (sinTheta < 0.0) {\r\n // Turn it into -theta, but in the 0-2PI range\r\n theta = 2.0 * PI - theta;\r\n }\r\n theta = theta / (2.0 * 3.14159);\r\n phi = phi / 3.14159 ;\r\n \r\n vec2 angles = vec2( phi, theta );\r\n return angles;\r\n}\r\n\r\n\r\nvoid main(){\r\n const int SAMPLE_COUNT = 1024; // 4096\r\n float totalWeight = 0.0;\r\n vec3 prefilteredColor = vec3(0.0);\r\n float phi = vTexCoord.x * 2.0 * PI;\r\n float theta = vTexCoord.y * PI;\r\n float x = sin(theta) * cos(phi);\r\n float y = sin(theta) * sin(phi);\r\n float z = cos(theta);\r\n vec3 N = vec3(x,y,z);\r\n vec3 V = N;\r\n for (int i = 0; i < SAMPLE_COUNT; ++i)\r\n {\r\n vec2 Xi = HammersleyNoBitOps(i, SAMPLE_COUNT);\r\n vec3 H = ImportanceSampleGGX(Xi, N, roughness);\r\n vec3 L = normalize(2.0 * dot(V, H) * H - V);\r\n\r\n float NdotL = max(dot(N, L), 0.0);\r\n if (NdotL > 0.0)\r\n {\r\n prefilteredColor += texture2D(environmentMap, nTOE(L)).xyz * NdotL;\r\n totalWeight += NdotL;\r\n }\r\n }\r\n prefilteredColor = prefilteredColor / totalWeight;\r\n\r\n gl_FragColor = vec4(prefilteredColor, 1.0);\r\n}\r\n\r\nvec3 ImportanceSampleGGX(vec2 Xi, vec3 N, float roughness){\r\n float a = roughness * roughness;\r\n\r\n float phi = 2.0 * PI * Xi.x;\r\n float cosTheta = sqrt((1.0 - Xi.y) / (1.0 + (a * a - 1.0) * Xi.y));\r\n float sinTheta = sqrt(1.0 - cosTheta * cosTheta);\r\n // from spherical coordinates to cartesian coordinates\r\n vec3 H;\r\n H.x = cos(phi) * sinTheta;\r\n H.y = sin(phi) * sinTheta;\r\n H.z = cosTheta;\r\n\r\n // from tangent-space vector to world-space sample vector\r\n vec3 up = abs(N.z) < 0.999 ? vec3(0.0, 0.0, 1.0) : vec3(1.0, 0.0, 0.0);\r\n vec3 tangent = normalize(cross(up, N));\r\n vec3 bitangent = cross(N, tangent);\r\n\r\n vec3 sampleVec = tangent * H.x + bitangent * H.y + N * H.z;\r\n return normalize(sampleVec);\r\n}\r\n\r\n\r\nfloat VanDerCorput(int n, int base)\r\n{\r\n float invBase = 1.0 / float(base);\r\n float denom = 1.0;\r\n float result = 0.0;\r\n\r\n for (int i = 0; i < 32; ++i)\r\n {\r\n\tif (n > 0)\r\n\t{\r\n \tdenom = mod(float(n), 2.0);\r\n \tresult += denom * invBase;\r\n \tinvBase = invBase / 2.0;\r\n \tn = int(float(n) / 2.0);\r\n\t}\r\n }\r\n\r\n return result;\r\n}\r\n\r\nvec2 HammersleyNoBitOps(int i, int N)\r\n{\r\n return vec2(float(i) / float(N), VanDerCorput(i, 2));\r\n}\r\n"};for(x in M)M[x]="#ifdef WEBGL2\n\n#define IN in\n#define OUT out\n\n#ifdef FRAGMENT_SHADER\nout vec4 outColor;\n#define OUT_COLOR outColor\n#endif\n#define TEXTURE texture\n\n#else\n\n#ifdef FRAGMENT_SHADER\n#define IN varying\n#else\n#define IN attribute\n#endif\n#define OUT varying\n#define TEXTURE texture2D\n\n#ifdef FRAGMENT_SHADER\n#define OUT_COLOR gl_FragColor\n#endif\n\n#endif\n"+M[x];j(e={},l.GRAY,"precision highp float;\n\nvarying vec2 vTexCoord;\n\nuniform sampler2D tex0;\n\nfloat luma(vec3 color) {\n // weighted grayscale with luminance values\n return dot(color, vec3(0.2126, 0.7152, 0.0722));\n}\n\nvoid main() {\n vec4 tex = texture2D(tex0, vTexCoord);\n float gray = luma(tex.rgb);\n gl_FragColor = vec4(gray, gray, gray, tex.a);\n}\n"),j(e,l.ERODE,"// Reduces the bright areas in an image\n\nprecision highp float;\n\nvarying vec2 vTexCoord;\n\nuniform sampler2D tex0;\nuniform vec2 texelSize;\n\nfloat luma(vec3 color) {\n // weighted grayscale with luminance values\n // weights 77, 151, 28 taken from src/image/filters.js\n return dot(color, vec3(0.300781, 0.589844, 0.109375));\n}\n\nvoid main() {\n vec4 color = texture2D(tex0, vTexCoord);\n float lum = luma(color.rgb);\n\n // set current color as the darkest neighbor color\n\n vec4 neighbors[4];\n neighbors[0] = texture2D(tex0, vTexCoord + vec2( texelSize.x, 0.0));\n neighbors[1] = texture2D(tex0, vTexCoord + vec2(-texelSize.x, 0.0));\n neighbors[2] = texture2D(tex0, vTexCoord + vec2(0.0, texelSize.y));\n neighbors[3] = texture2D(tex0, vTexCoord + vec2(0.0, -texelSize.y));\n\n for (int i = 0; i < 4; i++) {\n vec4 neighborColor = neighbors[i];\n float neighborLum = luma(neighborColor.rgb);\n\n if (neighborLum < lum) {\n color = neighborColor;\n lum = neighborLum;\n }\n }\n\n gl_FragColor = color;\n}\n"),j(e,l.DILATE,"// Increase the bright areas in an image\n\nprecision highp float;\n\nvarying vec2 vTexCoord;\n\nuniform sampler2D tex0;\nuniform vec2 texelSize;\n\nfloat luma(vec3 color) {\n // weighted grayscale with luminance values\n // weights 77, 151, 28 taken from src/image/filters.js\n return dot(color, vec3(0.300781, 0.589844, 0.109375));\n}\n\nvoid main() {\n vec4 color = texture2D(tex0, vTexCoord);\n float lum = luma(color.rgb);\n\n // set current color as the brightest neighbor color\n\n vec4 neighbors[4];\n neighbors[0] = texture2D(tex0, vTexCoord + vec2( texelSize.x, 0.0));\n neighbors[1] = texture2D(tex0, vTexCoord + vec2(-texelSize.x, 0.0));\n neighbors[2] = texture2D(tex0, vTexCoord + vec2(0.0, texelSize.y));\n neighbors[3] = texture2D(tex0, vTexCoord + vec2(0.0, -texelSize.y));\n\n for (int i = 0; i < 4; i++) {\n vec4 neighborColor = neighbors[i];\n float neighborLum = luma(neighborColor.rgb);\n\n if (neighborLum > lum) {\n color = neighborColor;\n lum = neighborLum;\n }\n }\n\n gl_FragColor = color;\n}\n"),j(e,l.BLUR,"precision highp float;\n\n// Two-pass blur filter, unweighted kernel.\n// See also a similar blur at Adam Ferriss' repo of shader examples:\n// https://github.com/aferriss/p5jsShaderExamples/blob/gh-pages/4_image-effects/4-9_single-pass-blur/effect.frag\n\n\nuniform sampler2D tex0;\nvarying vec2 vTexCoord;\nuniform vec2 direction;\nuniform vec2 canvasSize;\nuniform float radius;\n\nfloat random(vec2 p) {\n vec3 p3 = fract(vec3(p.xyx) * .1031);\n p3 += dot(p3, p3.yzx + 33.33);\n return fract((p3.x + p3.y) * p3.z);\n}\n\n// This isn't a real Gaussian weight, it's a quadratic weight. It's what the\n// CPU mode's blur uses though, so we also use it here to match.\nfloat quadWeight(float x, float e) {\n return pow(e-abs(x), 2.);\n}\n\nvoid main(){\n vec2 uv = vTexCoord;\n\n // A reasonable maximum number of samples\n const float maxSamples = 64.0;\n\n float numSamples = floor(7. * radius);\n if (fract(numSamples / 2.) == 0.) {\n numSamples++;\n }\n vec4 avg = vec4(0.0);\n float total = 0.0;\n\n // Calculate the spacing to avoid skewing if numSamples > maxSamples\n float spacing = 1.0;\n if (numSamples > maxSamples) {\n spacing = numSamples / maxSamples;\n numSamples = maxSamples;\n }\n\n float randomOffset = (spacing - 1.0) * mix(-0.5, 0.5, random(gl_FragCoord.xy));\n for (float i = 0.0; i < maxSamples; i++) {\n if (i >= numSamples) break;\n\n float sample = i * spacing - (numSamples - 1.0) * 0.5 * spacing + randomOffset;\n vec2 sampleCoord = uv + vec2(sample, sample) / canvasSize * direction;\n float weight = quadWeight(sample, (numSamples - 1.0) * 0.5 * spacing);\n\n avg += weight * texture2D(tex0, sampleCoord);\n total += weight;\n }\n\n avg /= total;\n gl_FragColor = avg;\n}\n"),j(e,l.POSTERIZE,"// Limit color space for a stylized cartoon / poster effect\n\nprecision highp float;\n\nvarying vec2 vTexCoord;\n\nuniform sampler2D tex0;\nuniform float filterParameter;\n\nvec3 quantize(vec3 color, float n) {\n // restrict values to N options/bins\n // and floor each channel to nearest value\n //\n // eg. when N = 5, values = 0.0, 0.25, 0.50, 0.75, 1.0\n // then quantize (0.1, 0.7, 0.9) -> (0.0, 0.5, 1.0)\n\n color = color * n;\n color = floor(color);\n color = color / (n - 1.0);\n return color;\n}\n\nvoid main() {\n vec4 color = texture2D(tex0, vTexCoord);\n\n vec3 restrictedColor = quantize(color.rgb / color.a, filterParameter);\n\n gl_FragColor = vec4(restrictedColor.rgb * color.a, color.a);\n}\n"),j(e,l.OPAQUE,"// Set alpha channel to entirely opaque\n\nprecision highp float;\n\nvarying vec2 vTexCoord;\n\nuniform sampler2D tex0;\n\nvoid main() {\n vec4 color = texture2D(tex0, vTexCoord);\n gl_FragColor = vec4(color.rgb / color.a, 1.0);\n}\n"),j(e,l.INVERT,"// Set each pixel to inverse value\n// Note that original INVERT does not change the opacity, so this follows suit\n\nprecision highp float;\n\nvarying vec2 vTexCoord;\n\nuniform sampler2D tex0;\n\nvoid main() {\nvec4 color = texture2D(tex0, vTexCoord);\nvec3 origColor = color.rgb / color.a;\nvec3 invertedColor = vec3(1.0) - origColor;\ngl_FragColor = vec4(invertedColor * color.a, color.a);\n}\n"),j(e,l.THRESHOLD,"// Convert pixels to either white or black, \n// depending on if their luma is above or below filterParameter\n\nprecision highp float;\n\nvarying vec2 vTexCoord;\n\nuniform sampler2D tex0;\nuniform float filterParameter;\n\nfloat luma(vec3 color) {\n // weighted grayscale with luminance values\n return dot(color, vec3(0.2126, 0.7152, 0.0722));\n}\n\nvoid main() {\n vec4 color = texture2D(tex0, vTexCoord);\n float gray = luma(color.rgb / color.a);\n // floor() used to match src/image/filters.js\n float threshold = floor(filterParameter * 255.0) / 255.0;\n float blackOrWhite = step(threshold, gray);\n gl_FragColor = vec4(vec3(blackOrWhite) * color.a, color.a);\n}\n");var E=e;function k(e,t,r,o,n,s,i,a,l,u){var c=t.getParameter(t.FRAMEBUFFER_BINDING),r=(t.bindFramebuffer(t.FRAMEBUFFER,r),a===t.RGBA?4:3),d=s*i*r,h=l===t.UNSIGNED_BYTE?Uint8Array:Float32Array;if(e instanceof h&&e.length===d||(e=new h(d)),t.readPixels(o,u?u-n-i:n,s,i,a,l,e),t.bindFramebuffer(t.FRAMEBUFFER,c),u)for(var f=Math.floor(i/2),p=new h(s*r),m=0;m>7,127&d,c>>7,127&c);for(var h=0;h>7,127&f,0,0)}}return{cellImageInfo:a,dimOffset:t,dimImageInfo:n}}}}]),t}();B.default.RendererGL.prototype._renderText=function(e,t,r,o,n){if(this._textFont&&"string"!=typeof this._textFont){if(!(n<=o)&&this._doFill){if(this._isOpenType()){e.push();var n=this._doStroke,s=this.drawMode,i=(this._doStroke=!1,this.drawMode=M.TEXTURE,this._textFont.font),a=(a=this._textFont._fontInfo)||(this._textFont._fontInfo=new E(i)),r=this._textFont._handleAlignment(this,t,r,o),o=this._textSize/i.unitsPerEm,l=(this.translate(r.x,r.y,0),this.scale(o,o,1),this.GL),r=!this._defaultFontShader,u=this._getFontShader(),c=(u.init(),u.bindShader(),r&&(u.setUniform("uGridImageSize",[64,64]),u.setUniform("uCellsImageSize",[64,64]),u.setUniform("uStrokeImageSize",[64,64]),u.setUniform("uGridSize",[9,9])),this._applyColorBlend(this.curFillColor),this.retainedMode.geometry.glyph),d=(c||((o=this._textGeom=new B.default.Geometry(1,1,function(){for(var e=0;e<=1;e++)for(var t=0;t<=1;t++)this.vertices.push(new B.default.Vector(t,e,0)),this.uvs.push(t,e)})).computeFaces().computeNormals(),c=this.createBuffers("glyph",o)),!0),r=!1,o=void 0;try{for(var h,f=this.retainedMode.buffers.text[Symbol.iterator]();!(d=(h=f.next()).done);d=!0)h.value._prepareBuffer(c,u)}catch(e){r=!0,o=e}finally{try{d||null==f.return||f.return()}finally{if(r)throw o}}this._bindBuffer(c.indexBuffer,l.ELEMENT_ARRAY_BUFFER),u.setUniform("uMaterialColor",this.curFillColor),l.pixelStorei(l.UNPACK_PREMULTIPLY_ALPHA_WEBGL,!1);try{var p=0,m=null,y=i.stringToGlyphs(t),g=!0,v=!1,b=void 0;try{for(var j,_=y[Symbol.iterator]();!(g=(j=_.next()).done);g=!0){var x,w,S=j.value,T=(m&&(p+=i.getKerningValue(m,S)),a.getGlyphInfo(S));T.uGlyphRect&&(x=T.rowInfo,w=T.colInfo,u.setUniform("uSamplerStrokes",T.strokeImageInfo.imageData),u.setUniform("uSamplerRowStrokes",x.cellImageInfo.imageData),u.setUniform("uSamplerRows",x.dimImageInfo.imageData),u.setUniform("uSamplerColStrokes",w.cellImageInfo.imageData),u.setUniform("uSamplerCols",w.dimImageInfo.imageData),u.setUniform("uGridOffset",T.uGridOffset),u.setUniform("uGlyphRect",T.uGlyphRect),u.setUniform("uGlyphOffset",p),u.bindTextures(),l.drawElements(l.TRIANGLES,6,this.GL.UNSIGNED_SHORT,0)),p+=S.advanceWidth,m=S}}catch(e){v=!0,b=e}finally{try{g||null==_.return||_.return()}finally{if(v)throw b}}}finally{u.unbindShader(),this._doStroke=n,this.drawMode=s,l.pixelStorei(l.UNPACK_PREMULTIPLY_ALPHA_WEBGL,!0),e.pop()}}else console.log("WEBGL: only Opentype (.otf) and Truetype (.ttf) fonts are supported");return e}}else console.log("WEBGL: you must load and set a font before drawing text. 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                                                        '))),this._accessibleOutputs[r]={},"textOutput"===e?(i="#".concat(s,"gridOutput").concat(i),n='
                                                        Text Output

                                                          '),this.dummyDOM.querySelector(i)?this.dummyDOM.querySelector(i).insertAdjacentHTML("beforebegin",n):this.dummyDOM.querySelector("#".concat(o)).innerHTML=n,this._accessibleOutputs[r].list=this.dummyDOM.querySelector("#".concat(r,"_list"))):"gridOutput"===e&&(i="#".concat(s,"textOutput").concat(i),n='
                                                          Grid Output

                                                            '),this.dummyDOM.querySelector(i)?this.dummyDOM.querySelector(i).insertAdjacentHTML("afterend",n):this.dummyDOM.querySelector("#".concat(o)).innerHTML=n,this._accessibleOutputs[r].map=this.dummyDOM.querySelector("#".concat(r,"_map"))),this._accessibleOutputs[r].shapeDetails=this.dummyDOM.querySelector("#".concat(r,"_shapeDetails")),this._accessibleOutputs[r].summary=this.dummyDOM.querySelector("#".concat(r,"_summary"))},o.default.prototype._updateAccsOutput=function(){var e=this.canvas.id;JSON.stringify(this.ingredients.shapes)===this.ingredients.pShapes&&this.ingredients.colors.background===this.ingredients.pBackground||(this.ingredients.pShapes=JSON.stringify(this.ingredients.shapes),this._accessibleOutputs.text&&this._updateTextOutput(e+"textOutput"),this._accessibleOutputs.grid&&this._updateGridOutput(e+"gridOutput"),this._accessibleOutputs.textLabel&&this._updateTextOutput(e+"textOutputLabel"),this._accessibleOutputs.gridLabel&&this._updateGridOutput(e+"gridOutputLabel"))},o.default.prototype._accsBackground=function(e){this.ingredients.pShapes=JSON.stringify(this.ingredients.shapes),this.ingredients.pBackground=this.ingredients.colors.background,this.ingredients.shapes={},this.ingredients.colors.backgroundRGBA!==e&&(this.ingredients.colors.backgroundRGBA=e,this.ingredients.colors.background=this._rgbColorName(e))},o.default.prototype._accsCanvasColors=function(e,t){"fill"===e?this.ingredients.colors.fillRGBA!==t&&(this.ingredients.colors.fillRGBA=t,this.ingredients.colors.fill=this._rgbColorName(t)):"stroke"===e&&this.ingredients.colors.strokeRGBA!==t&&(this.ingredients.colors.strokeRGBA=t,this.ingredients.colors.stroke=this._rgbColorName(t))},o.default.prototype._accsOutput=function(e,t){"ellipse"===e&&t[2]===t[3]?e="circle":"rectangle"===e&&t[2]===t[3]&&(e="square");var r,o,n={},s=!0,i=function(e,t){var r;e="rectangle"===e||"ellipse"===e||"arc"===e||"circle"===e||"square"===e?(r=Math.round(t[0]+t[2]/2),Math.round(t[1]+t[3]/2)):"triangle"===e?(r=(t[0]+t[2]+t[4])/3,(t[1]+t[3]+t[5])/3):"quadrilateral"===e?(r=(t[0]+t[2]+t[4]+t[6])/4,(t[1]+t[3]+t[5]+t[7])/4):"line"===e?(r=(t[0]+t[2])/2,(t[1]+t[3])/2):(r=t[0],t[1]);return[r,e]}(e,t);if("line"===e?(n.color=this.ingredients.colors.stroke,n.length=Math.round(this.dist(t[0],t[1],t[2],t[3])),r=this._getPos(t[0],[1]),o=this._getPos(t[2],[3]),n.loc=u(i,this.width,this.height),n.pos=r===o?"at ".concat(r):"from ".concat(r," to ").concat(o)):("point"===e?n.color=this.ingredients.colors.stroke:(n.color=this.ingredients.colors.fill,n.area=this._getArea(e,t)),n.pos=this._getPos.apply(this,l(i)),n.loc=u(i,this.width,this.height)),this.ingredients.shapes[e]){if(this.ingredients.shapes[e]!==[n]){for(var a in this.ingredients.shapes[e])JSON.stringify(this.ingredients.shapes[e][a])===JSON.stringify(n)&&(s=!1);!0===s&&this.ingredients.shapes[e].push(n)}}else this.ingredients.shapes[e]=[n]},o.default.prototype._getPos=function(e,t){var e=new DOMPointReadOnly(e,t),t=this._renderer.isP3D?new DOMMatrix(this._renderer.uMVMatrix.mat4):this.drawingContext.getTransform(),e=e.matrixTransform(t),t=e.x,e=e.y,r=this.width*this._pixelDensity,o=this.height*this._pixelDensity;return t<.4*r?e<.4*o?"top left":.6*oMath.PI?n+=o:n-=o)):"ellipse"===e||"circle"===e?n=3.14*t[2]/2*t[3]/2:"line"===e||"point"===e?n=0:"quadrilateral"===e?n=Math.abs((t[6]+t[0])*(t[7]-t[1])+(t[0]+t[2])*(t[1]-t[3])+(t[2]+t[4])*(t[3]-t[5])+(t[4]+t[6])*(t[5]-t[7]))/2:"rectangle"===e||"square"===e?n=t[2]*t[3]:"triangle"===e&&(n=Math.abs(t[0]*(t[3]-t[5])+t[2]*(t[5]-t[1])+t[4]*(t[1]-t[3]))/2),this.width*this._pixelDensity),i=this.height*this._pixelDensity,a=[new DOMPoint(0,0),new DOMPoint(s,0),new DOMPoint(s,i),new 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strict";e("core-js/modules/es.array.concat"),e("core-js/modules/es.array.concat"),Object.defineProperty(r,"__esModule",{value:!0}),r.default=void 0;e=(e=e("../core/main"))&&e.__esModule?e:{default:e};e.default.prototype._updateTextOutput=function(e){var t,r,o,n;this.dummyDOM.querySelector("#".concat(e,"_summary"))&&(t=this._accessibleOutputs[e],o=function(e,t,r,o){r="Your output is a, ".concat(r," by ").concat(o," pixels, ").concat(t," canvas containing the following");r=1===e?"".concat(r," shape:"):"".concat(r," ").concat(e," shapes:");return r}((r=function(e,t){var r,o="",n=0;for(r in t)for(var s in t[r]){var i='
                                                          • ').concat(t[r][s].color," ").concat(r,"");"line"===r?i+=", ".concat(t[r][s].pos,", ").concat(t[r][s].length," pixels long.
                                                            • "):(i+=", at ".concat(t[r][s].pos),"point"!==r&&(i+=", covering ".concat(t[r][s].area,"% of the canvas")),i+="."),o+=i,n++}return{numShapes:n,listShapes:o}}(e,this.ingredients.shapes)).numShapes,this.ingredients.colors.background,this.width,this.height),n=function(e,t){var r,o="",n=0;for(r in t)for(var s in t[r]){var i='').concat(t[r][s].color," ").concat(r,"");"line"===r?i+="location = ".concat(t[r][s].pos,"length = ").concat(t[r][s].length," pixels"):(i+="location = ".concat(t[r][s].pos,""),"point"!==r&&(i+=" area = ".concat(t[r][s].area,"%")),i+=""),o+=i,n++}return o}(e,this.ingredients.shapes),o!==t.summary.innerHTML&&(t.summary.innerHTML=o),r.listShapes!==t.list.innerHTML&&(t.list.innerHTML=r.listShapes),n!==t.shapeDetails.innerHTML&&(t.shapeDetails.innerHTML=n),this._accessibleOutputs[e]=t)};e=e.default;r.default=e},{"../core/main":283,"core-js/modules/es.array.concat":153}],267:[function(e,t,r){"use strict";var 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s;Object.prototype.hasOwnProperty.call(e,r)&&((s=n?Object.getOwnPropertyDescriptor(e,r):null)&&(s.get||s.set)?Object.defineProperty(o,r,s):o[r]=e[r])}o.default=e,t&&t.set(e,o);return o}(e("../core/constants"));function a(){var e;return"function"!=typeof WeakMap?null:(e=new WeakMap,a=function(){return e},e)}e("./p5.Color"),e("../core/friendly_errors/validate_params"),e("../core/friendly_errors/file_errors"),e("../core/friendly_errors/fes_core"),l.default.prototype.alpha=function(e){return l.default._validateParameters("alpha",arguments),this.color(e)._getAlpha()},l.default.prototype.blue=function(e){return l.default._validateParameters("blue",arguments),this.color(e)._getBlue()},l.default.prototype.brightness=function(e){return l.default._validateParameters("brightness",arguments),this.color(e)._getBrightness()},l.default.prototype.color=function(){for(var e,t=arguments.length,r=new 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curve (after t1)?\n if (y1 ? !y2 : y0) {\n // add the coverage for t1\n coverage.x += saturate(C1.x + 0.5);\n // calculate the anti-aliasing for t1\n weight.x = min(weight.x, abs(C1.x));\n }\n\n // are we outside the curve (after t2)?\n if (y1 ? !y0 : y2) {\n // subtract the coverage for t2\n coverage.x -= saturate(C2.x + 0.5);\n // calculate the anti-aliasing for t2\n weight.x = min(weight.x, abs(C2.x));\n }\n}\n\n// this is essentially the same as coverageX, but with the axes swapped\nvoid coverageY(vec2 p0, vec2 p1, vec2 p2) {\n\n vec2 C1, C2;\n calulateCrossings(p0, p1, p2, C1, C2);\n\n bool x0 = p0.x > vTexCoord.x;\n bool x1 = p1.x > vTexCoord.x;\n bool x2 = p2.x > vTexCoord.x;\n\n if (x1 ? !x2 : x0) {\n coverage.y -= saturate(C1.y + 0.5);\n weight.y = min(weight.y, abs(C1.y));\n }\n\n if (x1 ? !x0 : x2) {\n coverage.y += saturate(C2.y + 0.5);\n weight.y = min(weight.y, abs(C2.y));\n }\n}\n\nvoid main() {\n\n // calculate the pixel scale based on screen-coordinates\n pixelScale = hardness / fwidth(vTexCoord);\n\n // which grid cell is this pixel in?\n ivec2 gridCoord = ifloor(vTexCoord * vec2(uGridSize));\n\n // intersect curves in this row\n {\n // the index into the row info bitmap\n int rowIndex = gridCoord.y + uGridOffset.y;\n // fetch the info texel\n vec4 rowInfo = getTexel(uSamplerRows, rowIndex, uGridImageSize);\n // unpack the rowInfo\n int rowStrokeIndex = getInt16(rowInfo.xy);\n int rowStrokeCount = getInt16(rowInfo.zw);\n\n for (int iRowStroke = INT(0); iRowStroke < N; iRowStroke++) {\n if (iRowStroke >= rowStrokeCount)\n break;\n\n // each stroke is made up of 3 points: the start and control point\n // and the start of the next curve.\n // fetch the indices of this pair of strokes:\n vec4 strokeIndices = getTexel(uSamplerRowStrokes, rowStrokeIndex++, uCellsImageSize);\n\n // unpack the stroke index\n int strokePos = getInt16(strokeIndices.xy);\n\n // fetch the two strokes\n vec4 stroke0 = getTexel(uSamplerStrokes, strokePos + INT(0), uStrokeImageSize);\n vec4 stroke1 = getTexel(uSamplerStrokes, strokePos + INT(1), uStrokeImageSize);\n\n // calculate the coverage\n coverageX(stroke0.xy, stroke0.zw, stroke1.xy);\n }\n }\n\n // intersect curves in this column\n {\n int colIndex = gridCoord.x + uGridOffset.x;\n vec4 colInfo = getTexel(uSamplerCols, colIndex, uGridImageSize);\n int colStrokeIndex = getInt16(colInfo.xy);\n int colStrokeCount = getInt16(colInfo.zw);\n \n for (int iColStroke = INT(0); iColStroke < N; iColStroke++) {\n if (iColStroke >= colStrokeCount)\n break;\n\n vec4 strokeIndices = getTexel(uSamplerColStrokes, colStrokeIndex++, uCellsImageSize);\n\n int strokePos = getInt16(strokeIndices.xy);\n vec4 stroke0 = getTexel(uSamplerStrokes, strokePos + INT(0), uStrokeImageSize);\n vec4 stroke1 = getTexel(uSamplerStrokes, strokePos + INT(1), uStrokeImageSize);\n coverageY(stroke0.xy, stroke0.zw, stroke1.xy);\n }\n }\n\n weight = saturate(1.0 - weight * 2.0);\n float distance = max(weight.x + weight.y, minDistance); // manhattan approx.\n float antialias = abs(dot(coverage, weight) / distance);\n float cover = min(abs(coverage.x), abs(coverage.y));\n OUT_COLOR = vec4(uMaterialColor.rgb, 1.) * uMaterialColor.a;\n OUT_COLOR *= saturate(max(antialias, cover));\n}\n",lineVert:T+"/*\n Part of the Processing project - http://processing.org\n Copyright (c) 2012-15 The Processing Foundation\n Copyright (c) 2004-12 Ben Fry and Casey Reas\n Copyright (c) 2001-04 Massachusetts Institute of Technology\n This library is free software; you can redistribute it and/or\n modify it under the terms of the GNU Lesser General Public\n License as published by the Free Software Foundation, version 2.1.\n This library is distributed in the hope that it will be useful,\n but WITHOUT ANY WARRANTY; without even the implied warranty of\n MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU\n Lesser General Public License for more details.\n You should have received a copy of the GNU Lesser General\n Public License along with this library; if not, write to the\n Free Software Foundation, Inc., 59 Temple Place, Suite 330,\n Boston, MA 02111-1307 USA\n*/\n\n#define PROCESSING_LINE_SHADER\n\nprecision mediump int;\n\nuniform mat4 uModelViewMatrix;\nuniform mat4 uProjectionMatrix;\nuniform float uStrokeWeight;\n\nuniform bool uUseLineColor;\nuniform vec4 uMaterialColor;\n\nuniform vec4 uViewport;\nuniform int uPerspective;\nuniform int uStrokeJoin;\n\nIN vec4 aPosition;\nIN vec3 aTangentIn;\nIN vec3 aTangentOut;\nIN float aSide;\nIN vec4 aVertexColor;\n\nOUT vec4 vColor;\nOUT vec2 vTangent;\nOUT vec2 vCenter;\nOUT vec2 vPosition;\nOUT float vMaxDist;\nOUT float vCap;\nOUT float vJoin;\n\nvec2 lineIntersection(vec2 aPoint, vec2 aDir, vec2 bPoint, vec2 bDir) {\n // Rotate and translate so a starts at the origin and goes out to the right\n bPoint -= aPoint;\n vec2 rotatedBFrom = vec2(\n bPoint.x*aDir.x + bPoint.y*aDir.y,\n bPoint.y*aDir.x - bPoint.x*aDir.y\n );\n vec2 bTo = bPoint + bDir;\n vec2 rotatedBTo = vec2(\n bTo.x*aDir.x + bTo.y*aDir.y,\n bTo.y*aDir.x - bTo.x*aDir.y\n );\n float intersectionDistance =\n rotatedBTo.x + (rotatedBFrom.x - rotatedBTo.x) * rotatedBTo.y /\n (rotatedBTo.y - rotatedBFrom.y);\n return aPoint + aDir * intersectionDistance;\n}\n\nvoid main() {\n // Caps have one of either the in or out tangent set to 0\n vCap = (aTangentIn == vec3(0.)) != (aTangentOut == (vec3(0.)))\n ? 1. : 0.;\n\n // Joins have two unique, defined tangents\n vJoin = (\n aTangentIn != vec3(0.) &&\n aTangentOut != vec3(0.) &&\n aTangentIn != aTangentOut\n ) ? 1. : 0.;\n\n vec4 posp = uModelViewMatrix * aPosition;\n vec4 posqIn = uModelViewMatrix * (aPosition + vec4(aTangentIn, 0));\n vec4 posqOut = uModelViewMatrix * (aPosition + vec4(aTangentOut, 0));\n\n float facingCamera = pow(\n // The word space tangent's z value is 0 if it's facing the camera\n abs(normalize(posqIn-posp).z),\n\n // Using pow() here to ramp `facingCamera` up from 0 to 1 really quickly\n // so most lines get scaled and don't get clipped\n 0.25\n );\n\n // Moving vertices slightly toward the camera\n // to avoid depth-fighting with the fill triangles.\n // This prevents popping effects due to half of\n // the line disappearing behind the geometry faces.\n \n float zOffset = mix(-0.00045, -1., facingCamera);\n posp.z -= zOffset;\n posqIn.z -= zOffset;\n posqOut.z -= zOffset;\n \n vec4 p = uProjectionMatrix * posp;\n vec4 qIn = uProjectionMatrix * posqIn;\n vec4 qOut = uProjectionMatrix * posqOut;\n vCenter = p.xy;\n\n // formula to convert from clip space (range -1..1) to screen space (range 0..[width or height])\n // screen_p = (p.xy/p.w + <1,1>) * 0.5 * uViewport.zw\n\n // prevent division by W by transforming the tangent formula (div by 0 causes\n // the line to disappear, see https://github.com/processing/processing/issues/5183)\n // t = screen_q - screen_p\n //\n // tangent is normalized and we don't care which aDirection it points to (+-)\n // t = +- normalize( screen_q - screen_p )\n // t = +- normalize( (q.xy/q.w+<1,1>)*0.5*uViewport.zw - (p.xy/p.w+<1,1>)*0.5*uViewport.zw )\n //\n // extract common factor, <1,1> - <1,1> cancels out\n // t = +- normalize( (q.xy/q.w - p.xy/p.w) * 0.5 * uViewport.zw )\n //\n // convert to common divisor\n // t = +- normalize( ((q.xy*p.w - p.xy*q.w) / (p.w*q.w)) * 0.5 * uViewport.zw )\n //\n // remove the common scalar divisor/factor, not needed due to normalize and +-\n // (keep uViewport - can't remove because it has different components for x and y\n // and corrects for aspect ratio, see https://github.com/processing/processing/issues/5181)\n // t = +- normalize( (q.xy*p.w - p.xy*q.w) * uViewport.zw )\n\n vec2 tangentIn = normalize((qIn.xy*p.w - p.xy*qIn.w) * uViewport.zw);\n vec2 tangentOut = normalize((qOut.xy*p.w - p.xy*qOut.w) * uViewport.zw);\n\n vec2 curPerspScale;\n if(uPerspective == 1) {\n // Perspective ---\n // convert from world to clip by multiplying with projection scaling factor\n // to get the right thickness (see https://github.com/processing/processing/issues/5182)\n\n // The y value of the projection matrix may be flipped if rendering to a Framebuffer.\n // Multiplying again by its sign here negates the flip to get just the scale.\n curPerspScale = (uProjectionMatrix * vec4(1, sign(uProjectionMatrix[1][1]), 0, 0)).xy;\n } else {\n // No Perspective ---\n // multiply by W (to cancel out division by W later in the pipeline) and\n // convert from screen to clip (derived from clip to screen above)\n curPerspScale = p.w / (0.5 * uViewport.zw);\n }\n\n vec2 offset;\n if (vJoin == 1.) {\n vTangent = normalize(tangentIn + tangentOut);\n vec2 normalIn = vec2(-tangentIn.y, tangentIn.x);\n vec2 normalOut = vec2(-tangentOut.y, tangentOut.x);\n float side = sign(aSide);\n float sideEnum = abs(aSide);\n\n // We generate vertices for joins on either side of the centerline, but\n // the \"elbow\" side is the only one needing a join. By not setting the\n // offset for the other side, all its vertices will end up in the same\n // spot and not render, effectively discarding it.\n if (sign(dot(tangentOut, vec2(-tangentIn.y, tangentIn.x))) != side) {\n // Side enums:\n // 1: the side going into the join\n // 2: the middle of the join\n // 3: the side going out of the join\n if (sideEnum == 2.) {\n // Calculate the position + tangent on either side of the join, and\n // find where the lines intersect to find the elbow of the join\n vec2 c = (posp.xy/posp.w + vec2(1.,1.)) * 0.5 * uViewport.zw;\n vec2 intersection = lineIntersection(\n c + (side * normalIn * uStrokeWeight / 2.),\n tangentIn,\n c + (side * normalOut * uStrokeWeight / 2.),\n tangentOut\n );\n offset = (intersection - c);\n\n // When lines are thick and the angle of the join approaches 180, the\n // elbow might be really far from the center. We'll apply a limit to\n // the magnitude to avoid lines going across the whole screen when this\n // happens.\n float mag = length(offset);\n float maxMag = 3. * uStrokeWeight;\n if (mag > maxMag) {\n offset *= maxMag / mag;\n }\n } else if (sideEnum == 1.) {\n offset = side * normalIn * uStrokeWeight / 2.;\n } else if (sideEnum == 3.) {\n offset = side * normalOut * uStrokeWeight / 2.;\n }\n }\n if (uStrokeJoin == STROKE_JOIN_BEVEL) {\n vec2 avgNormal = vec2(-vTangent.y, vTangent.x);\n vMaxDist = abs(dot(avgNormal, normalIn * uStrokeWeight / 2.));\n } else {\n vMaxDist = uStrokeWeight / 2.;\n }\n } else {\n vec2 tangent = aTangentIn == vec3(0.) ? tangentOut : tangentIn;\n vTangent = tangent;\n vec2 normal = vec2(-tangent.y, tangent.x);\n\n float normalOffset = sign(aSide);\n // Caps will have side values of -2 or 2 on the edge of the cap that\n // extends out from the line\n float tangentOffset = abs(aSide) - 1.;\n offset = (normal * normalOffset + tangent * tangentOffset) *\n uStrokeWeight * 0.5;\n vMaxDist = uStrokeWeight / 2.;\n }\n vPosition = vCenter + offset;\n\n gl_Position.xy = p.xy + offset.xy * curPerspScale;\n gl_Position.zw = p.zw;\n \n vColor = (uUseLineColor ? aVertexColor : uMaterialColor);\n}\n",lineFrag:T+"precision mediump int;\n\nuniform vec4 uMaterialColor;\nuniform int uStrokeCap;\nuniform int uStrokeJoin;\nuniform float uStrokeWeight;\n\nIN vec4 vColor;\nIN vec2 vTangent;\nIN vec2 vCenter;\nIN vec2 vPosition;\nIN float vMaxDist;\nIN float vCap;\nIN float vJoin;\n\nfloat distSquared(vec2 a, vec2 b) {\n vec2 aToB = b - a;\n return dot(aToB, aToB);\n}\n\nvoid main() {\n if (vCap > 0.) {\n if (\n uStrokeCap == STROKE_CAP_ROUND &&\n distSquared(vPosition, vCenter) > uStrokeWeight * uStrokeWeight * 0.25\n ) {\n discard;\n } else if (\n uStrokeCap == STROKE_CAP_SQUARE &&\n dot(vPosition - vCenter, vTangent) > 0.\n ) {\n discard;\n }\n // Use full area for PROJECT\n } else if (vJoin > 0.) {\n if (\n uStrokeJoin == STROKE_JOIN_ROUND &&\n distSquared(vPosition, vCenter) > uStrokeWeight * uStrokeWeight * 0.25\n ) {\n discard;\n } else if (uStrokeJoin == STROKE_JOIN_BEVEL) {\n vec2 normal = vec2(-vTangent.y, vTangent.x);\n if (abs(dot(vPosition - vCenter, normal)) > vMaxDist) {\n discard;\n }\n }\n // Use full area for MITER\n }\n OUT_COLOR = vec4(vColor.rgb, 1.) * vColor.a;\n}\n",pointVert:"IN vec3 aPosition;\nuniform float uPointSize;\nOUT float vStrokeWeight;\nuniform mat4 uModelViewMatrix;\nuniform mat4 uProjectionMatrix;\nvoid main() {\n\tvec4 positionVec4 = vec4(aPosition, 1.0);\n\tgl_Position = uProjectionMatrix * uModelViewMatrix * positionVec4;\n\tgl_PointSize = uPointSize;\n\tvStrokeWeight = uPointSize;\n}\n",pointFrag:"precision mediump int;\nuniform vec4 uMaterialColor;\nIN float vStrokeWeight;\n\nvoid main(){\n float mask = 0.0;\n\n // make a circular mask using the gl_PointCoord (goes from 0 - 1 on a point)\n // might be able to get a nicer edge on big strokeweights with smoothstep but slightly less performant\n\n mask = step(0.98, length(gl_PointCoord * 2.0 - 1.0));\n\n // if strokeWeight is 1 or less lets just draw a square\n // this prevents weird artifacting from carving circles when our points are really small\n // if strokeWeight is larger than 1, we just use it as is\n\n mask = mix(0.0, mask, clamp(floor(vStrokeWeight - 0.5),0.0,1.0));\n\n // throw away the borders of the mask\n // otherwise we get weird alpha blending issues\n\n if(mask > 0.98){\n discard;\n }\n\n OUT_COLOR = vec4(uMaterialColor.rgb, 1.) * uMaterialColor.a;\n}\n",imageLightVert:"precision highp float;\nattribute vec3 aPosition;\nattribute vec3 aNormal;\nattribute vec2 aTexCoord;\n\nvarying vec3 localPos;\nvarying vec3 vWorldNormal;\nvarying vec3 vWorldPosition;\nvarying vec2 vTexCoord;\n\nuniform mat4 uModelViewMatrix;\nuniform mat4 uProjectionMatrix;\nuniform mat3 uNormalMatrix;\n\nvoid main() {\n // Multiply the position by the matrix.\n vec4 viewModelPosition = uModelViewMatrix * vec4(aPosition, 1.0);\n gl_Position = uProjectionMatrix * viewModelPosition; \n \n // orient the normals and pass to the fragment shader\n vWorldNormal = uNormalMatrix * aNormal;\n \n // send the view position to the fragment shader\n vWorldPosition = (uModelViewMatrix * vec4(aPosition, 1.0)).xyz;\n \n localPos = vWorldPosition;\n vTexCoord = aTexCoord;\n}\n\n\n/*\nin the vertex shader we'll compute the world position and world oriented normal of the vertices and pass those to the fragment shader as varyings.\n*/\n",imageLightDiffusedFrag:"precision highp float;\nvarying vec3 localPos;\n\n// the HDR cubemap converted (can be from an equirectangular environment map.)\nuniform sampler2D environmentMap;\nvarying vec2 vTexCoord;\n\nconst float PI = 3.14159265359;\n\nvec2 nTOE( vec3 v ){\n // x = r sin(phi) cos(theta) \n // y = r cos(phi) \n // z = r sin(phi) sin(theta)\n float phi = acos( v.y );\n // if phi is 0, then there are no x, z components\n float theta = 0.0;\n // else \n theta = acos(v.x / sin(phi));\n float sinTheta = v.z / sin(phi);\n if (sinTheta < 0.0) {\n // Turn it into -theta, but in the 0-2PI range\n theta = 2.0 * PI - theta;\n }\n theta = theta / (2.0 * 3.14159);\n phi = phi / 3.14159 ;\n \n vec2 angles = vec2( phi, theta );\n return angles;\n}\n\nfloat random(vec2 p) {\n vec3 p3 = fract(vec3(p.xyx) * .1031);\n p3 += dot(p3, p3.yzx + 33.33);\n return fract((p3.x + p3.y) * p3.z);\n}\n\nvoid main()\n{ \t \n\t// the sample direction equals the hemisphere's orientation\n float phi = vTexCoord.x * 2.0 * PI;\n float theta = vTexCoord.y * PI;\n float x = sin(theta) * cos(phi);\n float y = sin(theta) * sin(phi);\n float z = cos(theta);\n vec3 normal = vec3( x, y, z);\n\n\t// Discretely sampling the hemisphere given the integral's\n // spherical coordinates translates to the following fragment code:\n\tvec3 irradiance = vec3(0.0); \n\tvec3 up\t= vec3(0.0, 1.0, 0.0);\n\tvec3 right = normalize(cross(up, normal));\n\tup = normalize(cross(normal, right));\n\n\t// We specify a fixed sampleDelta delta value to traverse\n // the hemisphere; decreasing or increasing the sample delta\n // will increase or decrease the accuracy respectively.\n\tconst float sampleDelta = 0.100;\n\tfloat nrSamples = 0.0;\n float randomOffset = random(gl_FragCoord.xy) * sampleDelta;\n\tfor(float rawPhi = 0.0; rawPhi < 2.0 * PI; rawPhi += sampleDelta)\n\t{\n float phi = rawPhi + randomOffset;\n for(float rawTheta = 0.0; rawTheta < ( 0.5 ) * PI; rawTheta += sampleDelta)\n {\n float theta = rawTheta + randomOffset;\n // spherical to cartesian (in tangent space) // tangent space to world // add each sample result to irradiance\n float x = sin(theta) * cos(phi);\n float y = sin(theta) * sin(phi);\n float z = cos(theta);\n vec3 tangentSample = vec3( x, y, z);\n \n vec3 sampleVec = tangentSample.x * right + tangentSample.y * up + tangentSample.z * normal;\n irradiance += (texture2D(environmentMap, nTOE(sampleVec)).xyz) * cos(theta) * sin(theta);\n nrSamples++;\n }\n\t}\n\t// divide by the total number of samples taken, giving us the average sampled irradiance.\n\tirradiance = PI * irradiance * (1.0 / float(nrSamples )) ;\n \n \n\tgl_FragColor = vec4(irradiance, 1.0);\n}",imageLightSpecularFrag:"precision highp float;\r\nvarying vec3 localPos;\r\nvarying vec2 vTexCoord;\r\n\r\n// our texture\r\nuniform sampler2D environmentMap;\r\nuniform float roughness;\r\n\r\nconst float PI = 3.14159265359;\r\n\r\nfloat VanDerCorput(int bits);\r\nvec2 HammersleyNoBitOps(int i, int N);\r\nvec3 ImportanceSampleGGX(vec2 Xi, vec3 N, float roughness);\r\n\r\n\r\nvec2 nTOE( vec3 v ){\r\n // x = r sin(phi) cos(theta) \r\n // y = r cos(phi) \r\n // z = r sin(phi) sin(theta)\r\n float phi = acos( v.y );\r\n // if phi is 0, then there are no x, z components\r\n float theta = 0.0;\r\n // else \r\n theta = acos(v.x / sin(phi));\r\n float sinTheta = v.z / sin(phi);\r\n if (sinTheta < 0.0) {\r\n // Turn it into -theta, but in the 0-2PI range\r\n theta = 2.0 * PI - theta;\r\n }\r\n theta = theta / (2.0 * 3.14159);\r\n phi = phi / 3.14159 ;\r\n \r\n vec2 angles = vec2( phi, theta );\r\n return angles;\r\n}\r\n\r\n\r\nvoid main(){\r\n const int SAMPLE_COUNT = 400; // 4096\r\n int lowRoughnessLimit = int(pow(2.0,(roughness+0.1)*20.0));\r\n float totalWeight = 0.0;\r\n vec3 prefilteredColor = vec3(0.0);\r\n float phi = vTexCoord.x * 2.0 * PI;\r\n float theta = vTexCoord.y * PI;\r\n float x = sin(theta) * cos(phi);\r\n float y = sin(theta) * sin(phi);\r\n float z = cos(theta);\r\n vec3 N = vec3(x,y,z);\r\n vec3 V = N;\r\n for (int i = 0; i < SAMPLE_COUNT; ++i)\r\n {\r\n // break at smaller sample numbers for low roughness levels\r\n if(i == lowRoughnessLimit)\r\n {\r\n break;\r\n }\r\n vec2 Xi = HammersleyNoBitOps(i, SAMPLE_COUNT);\r\n vec3 H = ImportanceSampleGGX(Xi, N, roughness);\r\n vec3 L = normalize(2.0 * dot(V, H) * H - V);\r\n\r\n float NdotL = max(dot(N, L), 0.0);\r\n if (NdotL > 0.0)\r\n {\r\n prefilteredColor += texture2D(environmentMap, nTOE(L)).xyz * NdotL;\r\n totalWeight += NdotL;\r\n }\r\n }\r\n prefilteredColor = prefilteredColor / totalWeight;\r\n\r\n gl_FragColor = vec4(prefilteredColor, 1.0);\r\n}\r\n\r\nvec3 ImportanceSampleGGX(vec2 Xi, vec3 N, float roughness){\r\n float a = roughness * roughness;\r\n\r\n float phi = 2.0 * PI * Xi.x;\r\n float cosTheta = sqrt((1.0 - Xi.y) / (1.0 + (a * a - 1.0) * Xi.y));\r\n float sinTheta = sqrt(1.0 - cosTheta * cosTheta);\r\n // from spherical coordinates to cartesian coordinates\r\n vec3 H;\r\n H.x = cos(phi) * sinTheta;\r\n H.y = sin(phi) * sinTheta;\r\n H.z = cosTheta;\r\n\r\n // from tangent-space vector to world-space sample vector\r\n vec3 up = abs(N.z) < 0.999 ? vec3(0.0, 0.0, 1.0) : vec3(1.0, 0.0, 0.0);\r\n vec3 tangent = normalize(cross(up, N));\r\n vec3 bitangent = cross(N, tangent);\r\n\r\n vec3 sampleVec = tangent * H.x + bitangent * H.y + N * H.z;\r\n return normalize(sampleVec);\r\n}\r\n\r\n\r\nfloat VanDerCorput(int n, int base)\r\n{\r\n#ifdef WEBGL2\r\n\r\n uint bits = uint(n);\r\n bits = (bits << 16u) | (bits >> 16u);\r\n bits = ((bits & 0x55555555u) << 1u) | ((bits & 0xAAAAAAAAu) >> 1u);\r\n bits = ((bits & 0x33333333u) << 2u) | ((bits & 0xCCCCCCCCu) >> 2u);\r\n bits = ((bits & 0x0F0F0F0Fu) << 4u) | ((bits & 0xF0F0F0F0u) >> 4u);\r\n bits = ((bits & 0x00FF00FFu) << 8u) | ((bits & 0xFF00FF00u) >> 8u);\r\n return float(bits) * 2.3283064365386963e-10; // / 0x100000000\r\n\r\n#else\r\n\r\n float invBase = 1.0 / float(base);\r\n float denom = 1.0;\r\n float result = 0.0;\r\n\r\n\r\n for (int i = 0; i < 32; ++i)\r\n {\r\n if (n > 0)\r\n {\r\n denom = mod(float(n), 2.0);\r\n result += denom * invBase;\r\n invBase = invBase / 2.0;\r\n n = int(float(n) / 2.0);\r\n }\r\n }\r\n\r\n\r\n return result;\r\n\r\n#endif\r\n}\r\n\r\nvec2 HammersleyNoBitOps(int i, int N)\r\n{\r\n return vec2(float(i) / float(N), VanDerCorput(i, 2));\r\n}\r\n"},M=E.sphereMappingFrag;for(x in E)E[x]="#ifdef WEBGL2\n\n#define IN in\n#define OUT out\n\n#ifdef FRAGMENT_SHADER\nout vec4 outColor;\n#define OUT_COLOR outColor\n#endif\n#define TEXTURE texture\n\n#else\n\n#ifdef FRAGMENT_SHADER\n#define IN varying\n#else\n#define IN attribute\n#endif\n#define OUT varying\n#define TEXTURE texture2D\n\n#ifdef FRAGMENT_SHADER\n#define OUT_COLOR gl_FragColor\n#endif\n\n#endif\n"+E[x];j(e={},l.GRAY,"precision highp float;\n\nvarying vec2 vTexCoord;\n\nuniform sampler2D tex0;\n\nfloat luma(vec3 color) {\n // weighted grayscale with luminance values\n return dot(color, vec3(0.2126, 0.7152, 0.0722));\n}\n\nvoid main() {\n vec4 tex = texture2D(tex0, vTexCoord);\n float gray = luma(tex.rgb);\n gl_FragColor = vec4(gray, gray, gray, tex.a);\n}\n"),j(e,l.ERODE,"// Reduces the bright areas in an image\n\nprecision highp float;\n\nvarying vec2 vTexCoord;\n\nuniform sampler2D tex0;\nuniform vec2 texelSize;\n\nfloat luma(vec3 color) {\n // weighted grayscale with luminance values\n // weights 77, 151, 28 taken from src/image/filters.js\n return dot(color, vec3(0.300781, 0.589844, 0.109375));\n}\n\nvoid main() {\n vec4 color = texture2D(tex0, vTexCoord);\n float lum = luma(color.rgb);\n\n // set current color as the darkest neighbor color\n\n vec4 neighbors[4];\n neighbors[0] = texture2D(tex0, vTexCoord + vec2( texelSize.x, 0.0));\n neighbors[1] = texture2D(tex0, vTexCoord + vec2(-texelSize.x, 0.0));\n neighbors[2] = texture2D(tex0, vTexCoord + vec2(0.0, texelSize.y));\n neighbors[3] = texture2D(tex0, vTexCoord + vec2(0.0, -texelSize.y));\n\n for (int i = 0; i < 4; i++) {\n vec4 neighborColor = neighbors[i];\n float neighborLum = luma(neighborColor.rgb);\n\n if (neighborLum < lum) {\n color = neighborColor;\n lum = neighborLum;\n }\n }\n\n gl_FragColor = color;\n}\n"),j(e,l.DILATE,"// Increase the bright areas in an image\n\nprecision highp float;\n\nvarying vec2 vTexCoord;\n\nuniform sampler2D tex0;\nuniform vec2 texelSize;\n\nfloat luma(vec3 color) {\n // weighted grayscale with luminance values\n // weights 77, 151, 28 taken from src/image/filters.js\n return dot(color, vec3(0.300781, 0.589844, 0.109375));\n}\n\nvoid main() {\n vec4 color = texture2D(tex0, vTexCoord);\n float lum = luma(color.rgb);\n\n // set current color as the brightest neighbor color\n\n vec4 neighbors[4];\n neighbors[0] = texture2D(tex0, vTexCoord + vec2( texelSize.x, 0.0));\n neighbors[1] = texture2D(tex0, vTexCoord + vec2(-texelSize.x, 0.0));\n neighbors[2] = texture2D(tex0, vTexCoord + vec2(0.0, texelSize.y));\n neighbors[3] = texture2D(tex0, vTexCoord + vec2(0.0, -texelSize.y));\n\n for (int i = 0; i < 4; i++) {\n vec4 neighborColor = neighbors[i];\n float neighborLum = luma(neighborColor.rgb);\n\n if (neighborLum > lum) {\n color = neighborColor;\n lum = neighborLum;\n }\n }\n\n gl_FragColor = color;\n}\n"),j(e,l.BLUR,"precision highp float;\n\n// Two-pass blur filter, unweighted kernel.\n// See also a similar blur at Adam Ferriss' repo of shader examples:\n// https://github.com/aferriss/p5jsShaderExamples/blob/gh-pages/4_image-effects/4-9_single-pass-blur/effect.frag\n\n\nuniform sampler2D tex0;\nvarying vec2 vTexCoord;\nuniform vec2 direction;\nuniform vec2 canvasSize;\nuniform float radius;\n\nfloat random(vec2 p) {\n vec3 p3 = fract(vec3(p.xyx) * .1031);\n p3 += dot(p3, p3.yzx + 33.33);\n return fract((p3.x + p3.y) * p3.z);\n}\n\n// This isn't a real Gaussian weight, it's a quadratic weight. It's what the\n// CPU mode's blur uses though, so we also use it here to match.\nfloat quadWeight(float x, float e) {\n return pow(e-abs(x), 2.);\n}\n\nvoid main(){\n vec2 uv = vTexCoord;\n\n // A reasonable maximum number of samples\n const float maxSamples = 64.0;\n\n float numSamples = floor(7. * radius);\n if (fract(numSamples / 2.) == 0.) {\n numSamples++;\n }\n vec4 avg = vec4(0.0);\n float total = 0.0;\n\n // Calculate the spacing to avoid skewing if numSamples > maxSamples\n float spacing = 1.0;\n if (numSamples > maxSamples) {\n spacing = numSamples / maxSamples;\n numSamples = maxSamples;\n }\n\n float randomOffset = (spacing - 1.0) * mix(-0.5, 0.5, random(gl_FragCoord.xy));\n for (float i = 0.0; i < maxSamples; i++) {\n if (i >= numSamples) break;\n\n float sample = i * spacing - (numSamples - 1.0) * 0.5 * spacing + randomOffset;\n vec2 sampleCoord = uv + vec2(sample, sample) / canvasSize * direction;\n float weight = quadWeight(sample, (numSamples - 1.0) * 0.5 * spacing);\n\n avg += weight * texture2D(tex0, sampleCoord);\n total += weight;\n }\n\n avg /= total;\n gl_FragColor = avg;\n}\n"),j(e,l.POSTERIZE,"// Limit color space for a stylized cartoon / poster effect\n\nprecision highp float;\n\nvarying vec2 vTexCoord;\n\nuniform sampler2D tex0;\nuniform float filterParameter;\n\nvec3 quantize(vec3 color, float n) {\n // restrict values to N options/bins\n // and floor each channel to nearest value\n //\n // eg. when N = 5, values = 0.0, 0.25, 0.50, 0.75, 1.0\n // then quantize (0.1, 0.7, 0.9) -> (0.0, 0.5, 1.0)\n\n color = color * n;\n color = floor(color);\n color = color / (n - 1.0);\n return color;\n}\n\nvoid main() {\n vec4 color = texture2D(tex0, vTexCoord);\n\n vec3 restrictedColor = quantize(color.rgb / color.a, filterParameter);\n\n gl_FragColor = vec4(restrictedColor.rgb * color.a, color.a);\n}\n"),j(e,l.OPAQUE,"// Set alpha channel to entirely opaque\n\nprecision highp float;\n\nvarying vec2 vTexCoord;\n\nuniform sampler2D tex0;\n\nvoid main() {\n vec4 color = texture2D(tex0, vTexCoord);\n gl_FragColor = vec4(color.rgb / color.a, 1.0);\n}\n"),j(e,l.INVERT,"// Set each pixel to inverse value\n// Note that original INVERT does not change the opacity, so this follows suit\n\nprecision highp float;\n\nvarying vec2 vTexCoord;\n\nuniform sampler2D tex0;\n\nvoid main() {\nvec4 color = texture2D(tex0, vTexCoord);\nvec3 origColor = color.rgb / color.a;\nvec3 invertedColor = vec3(1.0) - origColor;\ngl_FragColor = vec4(invertedColor * color.a, color.a);\n}\n"),j(e,l.THRESHOLD,"// Convert pixels to either white or black, \n// depending on if their luma is above or below filterParameter\n\nprecision highp float;\n\nvarying vec2 vTexCoord;\n\nuniform sampler2D tex0;\nuniform float filterParameter;\n\nfloat luma(vec3 color) {\n // weighted grayscale with luminance values\n return dot(color, vec3(0.2126, 0.7152, 0.0722));\n}\n\nvoid main() {\n vec4 color = texture2D(tex0, vTexCoord);\n float gray = luma(color.rgb / color.a);\n // floor() used to match src/image/filters.js\n float threshold = floor(filterParameter * 255.0) / 255.0;\n float blackOrWhite = step(threshold, gray);\n gl_FragColor = vec4(vec3(blackOrWhite) * color.a, color.a);\n}\n");var k=e;function O(e,t,r,o,n,s,i,a,l,u){var c=t.getParameter(t.FRAMEBUFFER_BINDING),r=(t.bindFramebuffer(t.FRAMEBUFFER,r),a===t.RGBA?4:3),d=s*i*r,h=l===t.UNSIGNED_BYTE?Uint8Array:Float32Array;if(e instanceof h&&e.length===d||(e=new h(d)),t.readPixels(o,u?u-n-i:n,s,i,a,l,e),t.bindFramebuffer(t.FRAMEBUFFER,c),u)for(var f=Math.floor(i/2),p=new h(s*r),m=0;m>7,127&d,c>>7,127&c);for(var h=0;h>7,127&f,0,0)}}return{cellImageInfo:a,dimOffset:t,dimImageInfo:n}}}}]),t}();B.default.RendererGL.prototype._renderText=function(e,t,r,o,n){if(this._textFont&&"string"!=typeof this._textFont){if(!(n<=o)&&this._doFill){if(this._isOpenType()){e.push();var n=this._doStroke,s=this.drawMode,i=(this._doStroke=!1,this.drawMode=E.TEXTURE,this._textFont.font),a=(a=this._textFont._fontInfo)||(this._textFont._fontInfo=new M(i)),r=this._textFont._handleAlignment(this,t,r,o),o=this._textSize/i.unitsPerEm,l=(this.translate(r.x,r.y,0),this.scale(o,o,1),this.GL),r=!this._defaultFontShader,u=this._getFontShader(),c=(u.init(),u.bindShader(),r&&(u.setUniform("uGridImageSize",[64,64]),u.setUniform("uCellsImageSize",[64,64]),u.setUniform("uStrokeImageSize",[64,64]),u.setUniform("uGridSize",[9,9])),this._applyColorBlend(this.curFillColor),this.retainedMode.geometry.glyph),d=(c||((o=this._textGeom=new B.default.Geometry(1,1,function(){for(var e=0;e<=1;e++)for(var t=0;t<=1;t++)this.vertices.push(new B.default.Vector(t,e,0)),this.uvs.push(t,e)})).computeFaces().computeNormals(),c=this.createBuffers("glyph",o)),!0),r=!1,o=void 0;try{for(var h,f=this.retainedMode.buffers.text[Symbol.iterator]();!(d=(h=f.next()).done);d=!0)h.value._prepareBuffer(c,u)}catch(e){r=!0,o=e}finally{try{d||null==f.return||f.return()}finally{if(r)throw o}}this._bindBuffer(c.indexBuffer,l.ELEMENT_ARRAY_BUFFER),u.setUniform("uMaterialColor",this.curFillColor),l.pixelStorei(l.UNPACK_PREMULTIPLY_ALPHA_WEBGL,!1);try{var p=0,m=null,y=i.stringToGlyphs(t),g=!0,v=!1,b=void 0;try{for(var j,_=y[Symbol.iterator]();!(g=(j=_.next()).done);g=!0){var x,w,S=j.value,T=(m&&(p+=i.getKerningValue(m,S)),a.getGlyphInfo(S));T.uGlyphRect&&(x=T.rowInfo,w=T.colInfo,u.setUniform("uSamplerStrokes",T.strokeImageInfo.imageData),u.setUniform("uSamplerRowStrokes",x.cellImageInfo.imageData),u.setUniform("uSamplerRows",x.dimImageInfo.imageData),u.setUniform("uSamplerColStrokes",w.cellImageInfo.imageData),u.setUniform("uSamplerCols",w.dimImageInfo.imageData),u.setUniform("uGridOffset",T.uGridOffset),u.setUniform("uGlyphRect",T.uGlyphRect),u.setUniform("uGlyphOffset",p),u.bindTextures(),l.drawElements(l.TRIANGLES,6,this.GL.UNSIGNED_SHORT,0)),p+=S.advanceWidth,m=S}}catch(e){v=!0,b=e}finally{try{g||null==_.return||_.return()}finally{if(v)throw b}}}finally{u.unbindShader(),this._doStroke=n,this.drawMode=s,l.pixelStorei(l.UNPACK_PREMULTIPLY_ALPHA_WEBGL,!0),e.pop()}}else console.log("WEBGL: only Opentype (.otf) and Truetype (.ttf) fonts are supported");return e}}else console.log("WEBGL: you must load and set a font before drawing text. See `loadFont` and `textFont` for more details.")}},{"../core/constants":272,"../core/main":283,"./p5.RendererGL.Retained":340,"./p5.Shader":342,"core-js/modules/es.array.iterator":165,"core-js/modules/es.object.get-own-property-descriptor":186,"core-js/modules/es.object.to-string":190,"core-js/modules/es.regexp.exec":195,"core-js/modules/es.string.iterator":200,"core-js/modules/es.string.split":206,"core-js/modules/es.string.sub":208,"core-js/modules/es.symbol":212,"core-js/modules/es.symbol.description":210,"core-js/modules/es.symbol.iterator":211,"core-js/modules/es.weak-map":244,"core-js/modules/web.dom-collections.iterator":246}]},{},[267])(267)}); \ No newline at end of file diff --git a/examples/pixel-manipulation/03-tinker-pixels/sketch.js b/examples/pixel-manipulation/03-tinker-pixels/sketch.js index 49145a5..82cdebb 100644 --- a/examples/pixel-manipulation/03-tinker-pixels/sketch.js +++ b/examples/pixel-manipulation/03-tinker-pixels/sketch.js @@ -6,17 +6,11 @@ function setup() { // Simulate drawing artwork drawArtwork(); - // Custom applyMonochromaticGrain implementation - const amount = 42; - const alpha = false; + // Loop over all pixels and set the red channel of each one to a random value (0-255). tinkerPixels((index, total) => { - const grainAmount = floor(random() * (amount * 2 + 1)) - amount; - pixels[index] = pixels[index] + grainAmount; - pixels[index+1] = pixels[index+1] + grainAmount; - pixels[index+2] = pixels[index+2] + grainAmount; - if (alpha) { - pixels[index+3] = pixels[index+3] + grainAmount; - } + pixels[index] = random(0, 255); // red channel + // pixels[index+1] = random(0, 255); // green channel + // pixels[index+2] = random(0, 255); // blue channel }); } diff --git a/examples/pixel-manipulation/04-loop-pixels-read-only/lib/p5.grain.min.js b/examples/pixel-manipulation/04-loop-pixels-read-only/lib/p5.grain.min.js index 5f132fa..bdb8a1b 100644 --- a/examples/pixel-manipulation/04-loop-pixels-read-only/lib/p5.grain.min.js +++ b/examples/pixel-manipulation/04-loop-pixels-read-only/lib/p5.grain.min.js @@ -1,8 +1,8 @@ /**! * p5.grain * - * @version 0.7.0 + * @version 0.8.0 * @license MIT * @copyright meezwhite, Gorilla Sun */ -class P5Grain{version="0.7.0";instance;#t;#i;#n;constructor(){this.#t=Math.random,this.#i={frameCount:0},this.#n={frameCount:0,tX_anchor:0,tX:0,tY:0}}setup(t){void 0===t?this.#t=random:"object"==typeof t&&("function"==typeof t.random&&(this.#t=t.random),"object"==typeof t.instance&&(this.instance=t.instance))}granulateSimple(t,i,n){this.applyMonochromaticGrain(t,i,n)}applyMonochromaticGrain(t,i,n){const e=this.instance?this.instance.round(t):round(t),a=i||!1;n?n.loadPixels():this.instance?this.instance.loadPixels():loadPixels();const s=n?n.pixelDensity():this.instance?this.instance.pixelDensity():pixelDensity(),r=(n?n.width:this.instance?this.instance.width:width)*s*4*((n?n.height:this.instance?this.instance.height:height)*s),h=n?n.pixels:this.instance?this.instance.pixels:pixels;for(let t=0;t=n){const n=i&&i.amount?this.instance?this.instance.round(i.amount):round(i.amount):this.instance?this.instance.min(this.instance.width,this.instance.height):min(width,height),e=this.#t()*n,a=this.#t()*n,s=this.instance?this.instance.floor(e):floor(e),r=this.instance?this.instance.floor(a):floor(a),h=`${s}px ${r}px`;t instanceof HTMLElement?t.style.backgroundPosition=h:t instanceof SVGElement?(t.style.top=-r+"px",t.style.left=-s+"px"):t instanceof p5.Element&&t.style("background-position",h),this.#i.frameCount=0}}textureOverlay(t,i,n){const e=n instanceof p5.Graphics,a=e?n.width:this.instance?this.instance.width:width,s=e?n.height:this.instance?this.instance.height:height,r=i&&i.mode?i.mode:this.instance?this.instance.MULTIPLY:MULTIPLY,h=!(!i||!i.reflect)&&i.reflect,o=!(!i||!i.animate)&&i.animate,c=i&&i.animate&&i.animate.atFrame?this.instance?this.instance.round(i.animate.atFrame):round(i.animate.atFrame):2,l=i&&i.animate&&i.animate.amount?this.instance?this.instance.round(i.animate.amount):round(i.animate.amount):this.instance?this.instance.min(a,s):min(a,s),p=i&&"number"==typeof i.width?i.width:t.width,u=i&&"number"==typeof i.height?i.height:t.height;if(o&&(this.#n.frameCount+=1,this.#n.frameCount>=c)){const t=this.#t()*l,i=this.#t()*l;this.#n.tX_anchor=this.instance?-this.instance.floor(t):-floor(t),this.#n.tY=this.instance?-this.instance.floor(i):-floor(i),this.#n.frameCount=0}let m=this.#n.tX_anchor,d=this.#n.tY,x=!0,g=!0;for(n?n.blendMode(r):this.instance?this.instance.blendMode(r):blendMode(r);d=a){g=!0,m=this.#n.tX_anchor,d+=u;break}g=!g}x=!x}n?n.blendMode(this.instance?this.instance.BLEND:BLEND):this.instance?this.instance.blendMode(this.instance.BLEND):blendMode(BLEND),e&&n.reset()}#e(t,i){return t=Math.ceil(t),i=Math.floor(i),Math.floor(this.#t()*(i-t+1)+t)}}const p5grain=new P5Grain;p5.prototype.granulateSimple=function(t,i){return p5grain.granulateSimple(t,i)},p5.Graphics.prototype.granulateSimple=function(t,i){return p5grain.granulateSimple(t,i,this)},p5.prototype.granulateChannels=function(t,i){return p5grain.granulateChannels(t,i)},p5.Graphics.prototype.granulateChannels=function(t,i){return p5grain.granulateChannels(t,i,this)},p5.prototype.applyMonochromaticGrain=function(t,i){return p5grain.applyMonochromaticGrain(t,i)},p5.Graphics.prototype.applyMonochromaticGrain=function(t,i){return p5grain.applyMonochromaticGrain(t,i,this)},p5.prototype.applyChromaticGrain=function(t,i){return p5grain.applyChromaticGrain(t,i)},p5.Graphics.prototype.applyChromaticGrain=function(t,i){return p5grain.applyChromaticGrain(t,i,this)},p5.prototype.tinkerPixels=function(t,i){return p5grain.tinkerPixels(t,i)},p5.Graphics.prototype.tinkerPixels=function(t,i){return p5grain.tinkerPixels(t,i,this)},p5.prototype.loopPixels=function(t,i){return p5grain.loopPixels(t,i)},p5.Graphics.prototype.loopPixels=function(t,i){return p5grain.loopPixels(t,i,this)},p5.prototype.textureAnimate=function(t,i){return p5grain.textureAnimate(t,i)},p5.prototype.textureOverlay=function(t,i){return p5grain.textureOverlay(t,i)},p5.Graphics.prototype.textureOverlay=function(t,i){return p5grain.textureOverlay(t,i,this)}; +class P5Grain{version="0.8.0";instance;#t;#i;#e;#n;#a;constructor(){this.#s("float"),this.#n={frameCount:0},this.#a={frameCount:0,tX_anchor:0,tX:0,tY:0}}setup(t){"object"==typeof t&&("function"==typeof t.random&&(this.#t=t.random),"string"==typeof t.randomMode&&this.#s(t.randomMode),"object"==typeof t.instance&&(this.instance=t.instance)),void 0===this.#t&&(this.#t=p5.prototype.random)}applyMonochromaticGrain(t,i,e){const n=i||!1;let a,s,r,o;e?(e.loadPixels(),a=e.pixelDensity(),s=e.width,r=e.height,o=e.pixels):this.instance?(this.instance.loadPixels(),a=this.instance.pixelDensity(),s=this.instance.width,r=this.instance.height,o=this.instance.pixels):(loadPixels(),a=pixelDensity(),s=width,r=height,o=pixels);const h=s*a*4*(r*a),{min:p,max:c}=this.#r(-t,t);for(let t=0;t=e){const e=i&&i.amount?Math.round(i.amount):this.instance?Math.min(this.instance.width,this.instance.height):Math.min(width,height),n=this.#t()*e,a=this.#t()*e,s=Math.floor(n),r=Math.floor(a),o=`${s}px ${r}px`;t instanceof HTMLElement?t.style.backgroundPosition=o:t instanceof SVGElement?(t.style.top=-r+"px",t.style.left=-s+"px"):t instanceof p5.Element&&t.style("background-position",o),this.#n.frameCount=0}}textureOverlay(t,i,e){const n=e instanceof p5.Graphics;let a,s;n?(a=e.width,s=e.height):this.instance?(a=this.instance.width,s=this.instance.height):(a=width,s=height);const r=i&&i.mode?i.mode:this.instance?this.instance.MULTIPLY:MULTIPLY,o=!(!i||!i.reflect)&&i.reflect,h=!(!i||!i.animate)&&i.animate,p=i&&i.animate&&i.animate.atFrame?Math.round(i.animate.atFrame):2,c=i&&i.animate&&i.animate.amount?Math.round(i.animate.amount):Math.min(a,s),l=i&&"number"==typeof i.width?i.width:t.width,m=i&&"number"==typeof i.height?i.height:t.height;if(h&&(this.#a.frameCount+=1,this.#a.frameCount>=p)){const t=this.#t()*c,i=this.#t()*c;this.#a.tX_anchor=-Math.floor(t),this.#a.tY=-Math.floor(i),this.#a.frameCount=0}let d=this.#a.tX_anchor,u=this.#a.tY,x=!0,y=!0;for(e?e.blendMode(r):this.instance?this.instance.blendMode(r):blendMode(r);u=a){y=!0,d=this.#a.tX_anchor,u+=m;break}y=!y}x=!x}e?e.blendMode(this.instance?this.instance.BLEND:BLEND):this.instance?this.instance.blendMode(this.instance.BLEND):blendMode(BLEND),n&&e.reset()}#s(t){switch(t){case"int":this.#e=1,this.#i=this.#o;break;case"float":this.#e=0,this.#i=this.#h}}#r(t,i){return 1==this.#e?{min:Math.ceil(t),max:Math.floor(i)}:{min:t,max:i}}#o(t,i){return Math.floor(this.#t()*(i-t+1)+t)}#h(t,i){return this.#t()*(i-t)+t}}const p5grain=new P5Grain;p5.prototype.applyMonochromaticGrain=function(t,i){return p5grain.applyMonochromaticGrain(t,i)},p5.Graphics.prototype.applyMonochromaticGrain=function(t,i){return p5grain.applyMonochromaticGrain(t,i,this)},p5.Image.prototype.applyMonochromaticGrain=function(t,i){return p5grain.applyMonochromaticGrain(t,i,this)},p5.prototype.applyChromaticGrain=function(t,i){return p5grain.applyChromaticGrain(t,i)},p5.Graphics.prototype.applyChromaticGrain=function(t,i){return p5grain.applyChromaticGrain(t,i,this)},p5.Image.prototype.applyChromaticGrain=function(t,i){return p5grain.applyChromaticGrain(t,i,this)},p5.prototype.tinkerPixels=function(t,i){return p5grain.tinkerPixels(t,i)},p5.Graphics.prototype.tinkerPixels=function(t,i){return p5grain.tinkerPixels(t,i,this)},p5.Image.prototype.tinkerPixels=function(t,i){return p5grain.tinkerPixels(t,i,this)},p5.prototype.loopPixels=function(t,i){return p5grain.loopPixels(t,i)},p5.Graphics.prototype.loopPixels=function(t,i){return p5grain.loopPixels(t,i,this)},p5.Image.prototype.loopPixels=function(t,i){return p5grain.loopPixels(t,i,this)},p5.prototype.textureAnimate=function(t,i){return p5grain.textureAnimate(t,i)},p5.prototype.textureOverlay=function(t,i){return p5grain.textureOverlay(t,i)},p5.Graphics.prototype.textureOverlay=function(t,i){return p5grain.textureOverlay(t,i,this)}; diff --git 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                                                              Grid Output

                                                                '),this.dummyDOM.querySelector(i)?this.dummyDOM.querySelector(i).insertAdjacentHTML("afterend",n):this.dummyDOM.querySelector("#".concat(o)).innerHTML=n,this._accessibleOutputs[r].map=this.dummyDOM.querySelector("#".concat(r,"_map"))),this._accessibleOutputs[r].shapeDetails=this.dummyDOM.querySelector("#".concat(r,"_shapeDetails")),this._accessibleOutputs[r].summary=this.dummyDOM.querySelector("#".concat(r,"_summary"))},o.default.prototype._updateAccsOutput=function(){var e=this.canvas.id;JSON.stringify(this.ingredients.shapes)!==this.ingredients.pShapes&&(this.ingredients.pShapes=JSON.stringify(this.ingredients.shapes),this._accessibleOutputs.text&&this._updateTextOutput(e+"textOutput"),this._accessibleOutputs.grid&&this._updateGridOutput(e+"gridOutput"),this._accessibleOutputs.textLabel&&this._updateTextOutput(e+"textOutputLabel"),this._accessibleOutputs.gridLabel&&this._updateGridOutput(e+"gridOutputLabel"))},o.default.prototype._accsBackground=function(e){this.ingredients.pShapes=JSON.stringify(this.ingredients.shapes),this.ingredients.shapes={},this.ingredients.colors.backgroundRGBA!==e&&(this.ingredients.colors.backgroundRGBA=e,this.ingredients.colors.background=this._rgbColorName(e))},o.default.prototype._accsCanvasColors=function(e,t){"fill"===e?this.ingredients.colors.fillRGBA!==t&&(this.ingredients.colors.fillRGBA=t,this.ingredients.colors.fill=this._rgbColorName(t)):"stroke"===e&&this.ingredients.colors.strokeRGBA!==t&&(this.ingredients.colors.strokeRGBA=t,this.ingredients.colors.stroke=this._rgbColorName(t))},o.default.prototype._accsOutput=function(e,t){"ellipse"===e&&t[2]===t[3]?e="circle":"rectangle"===e&&t[2]===t[3]&&(e="square");var r,o,n={},s=!0,i=function(e,t){var r;e="rectangle"===e||"ellipse"===e||"arc"===e||"circle"===e||"square"===e?(r=Math.round(t[0]+t[2]/2),Math.round(t[1]+t[3]/2)):"triangle"===e?(r=(t[0]+t[2]+t[4])/3,(t[1]+t[3]+t[5])/3):"quadrilateral"===e?(r=(t[0]+t[2]+t[4]+t[6])/4,(t[1]+t[3]+t[5]+t[7])/4):"line"===e?(r=(t[0]+t[2])/2,(t[1]+t[3])/2):(r=t[0],t[1]);return[r,e]}(e,t);if("line"===e?(n.color=this.ingredients.colors.stroke,n.length=Math.round(this.dist(t[0],t[1],t[2],t[3])),r=this._getPos(t[0],[1]),o=this._getPos(t[2],[3]),n.loc=u(i,this.width,this.height),n.pos=r===o?"at ".concat(r):"from ".concat(r," to ").concat(o)):("point"===e?n.color=this.ingredients.colors.stroke:(n.color=this.ingredients.colors.fill,n.area=this._getArea(e,t)),n.pos=this._getPos.apply(this,l(i)),n.loc=u(i,this.width,this.height)),this.ingredients.shapes[e]){if(this.ingredients.shapes[e]!==[n]){for(var a in this.ingredients.shapes[e])JSON.stringify(this.ingredients.shapes[e][a])===JSON.stringify(n)&&(s=!1);!0===s&&this.ingredients.shapes[e].push(n)}}else this.ingredients.shapes[e]=[n]},o.default.prototype._getPos=function(e,t){var e=new DOMPointReadOnly(e,t),t=this._renderer.isP3D?new DOMMatrix(this._renderer.uMVMatrix.mat4):this.drawingContext.getTransform(),e=e.matrixTransform(t),t=e.x,e=e.y,r=this.width,o=this.height;return t<.4*r?e<.4*o?"top left":.6*oMath.PI?n+=o:n-=o)):"ellipse"===e||"circle"===e?n=3.14*t[2]/2*t[3]/2:"line"===e||"point"===e?n=0:"quadrilateral"===e?n=Math.abs((t[6]+t[0])*(t[7]-t[1])+(t[0]+t[2])*(t[1]-t[3])+(t[2]+t[4])*(t[3]-t[5])+(t[4]+t[6])*(t[5]-t[7]))/2:"rectangle"===e||"square"===e?n=t[2]*t[3]:"triangle"===e&&(n=Math.abs(t[0]*(t[3]-t[5])+t[2]*(t[5]-t[1])+t[4]*(t[1]-t[3]))/2),this.width*this._pixelDensity),i=this.height*this._pixelDensity,a=[new DOMPoint(0,0),new DOMPoint(s,0),new DOMPoint(s,i),new DOMPoint(0,i)],l=(this._renderer.isP3D?new DOMMatrix(this._renderer.uMVMatrix.mat4):this.drawingContext.getTransform()).inverse(),u=a.map(function(e){return e.matrixTransform(l)}),c=Math.abs((u[3].x+u[0].x)*(u[3].y-u[0].y)+(u[0].x+u[1].x)*(u[0].y-u[1].y)+(u[1].x+u[2].x)*(u[1].y-u[2].y)+(u[2].x+u[3].x)*(u[2].y-u[3].y))/2;return Math.round(100*n/c)};e=o.default;r.default=e},{"../core/main":275,"core-js/modules/es.array.concat":151,"core-js/modules/es.array.fill":154,"core-js/modules/es.array.from":158,"core-js/modules/es.array.iterator":161,"core-js/modules/es.array.map":164,"core-js/modules/es.number.to-fixed":175,"core-js/modules/es.object.to-string":182,"core-js/modules/es.regexp.to-string":188,"core-js/modules/es.string.iterator":192,"core-js/modules/es.symbol":204,"core-js/modules/es.symbol.description":202,"core-js/modules/es.symbol.iterator":203,"core-js/modules/web.dom-collections.iterator":238}],258:[function(e,t,r){"use strict";e("core-js/modules/es.array.concat"),e("core-js/modules/es.array.concat"),Object.defineProperty(r,"__esModule",{value:!0}),r.default=void 0;e=(e=e("../core/main"))&&e.__esModule?e:{default:e};e.default.prototype._updateTextOutput=function(e){var t,r,o,n;this.dummyDOM.querySelector("#".concat(e,"_summary"))&&(t=this._accessibleOutputs[e],o=function(e,t,r,o){r="Your output is a, ".concat(r," by ").concat(o," pixels, ").concat(t," canvas containing the following");r=1===e?"".concat(r," shape:"):"".concat(r," ").concat(e," shapes:");return r}((r=function(e,t){var r,o="",n=0;for(r in t)for(var s in t[r]){var i='
                                                              • ').concat(t[r][s].color," ").concat(r,"");"line"===r?i+=", ".concat(t[r][s].pos,", ").concat(t[r][s].length," pixels long.
                                                                • "):(i+=", at ".concat(t[r][s].pos),"point"!==r&&(i+=", covering ".concat(t[r][s].area,"% of the canvas")),i+="."),o+=i,n++}return{numShapes:n,listShapes:o}}(e,this.ingredients.shapes)).numShapes,this.ingredients.colors.background,this.width,this.height),n=function(e,t){var r,o="",n=0;for(r in t)for(var s in t[r]){var i='').concat(t[r][s].color," ").concat(r,"");"line"===r?i+="location = ".concat(t[r][s].pos,"length = ").concat(t[r][s].length," pixels"):(i+="location = ".concat(t[r][s].pos,""),"point"!==r&&(i+=" area = ".concat(t[r][s].area,"%")),i+=""),o+=i,n++}return o}(e,this.ingredients.shapes),o!==t.summary.innerHTML&&(t.summary.innerHTML=o),r.listShapes!==t.list.innerHTML&&(t.list.innerHTML=r.listShapes),n!==t.shapeDetails.innerHTML&&(t.shapeDetails.innerHTML=n),this._accessibleOutputs[e]=t)};e=e.default;r.default=e},{"../core/main":275,"core-js/modules/es.array.concat":151}],259:[function(e,t,r){"use strict";var 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s;Object.prototype.hasOwnProperty.call(e,r)&&((s=n?Object.getOwnPropertyDescriptor(e,r):null)&&(s.get||s.set)?Object.defineProperty(o,r,s):o[r]=e[r])}o.default=e,t&&t.set(e,o);return o}(e("../core/constants"));function a(){var e;return"function"!=typeof WeakMap?null:(e=new WeakMap,a=function(){return e},e)}e("./p5.Color"),e("../core/friendly_errors/validate_params"),e("../core/friendly_errors/file_errors"),e("../core/friendly_errors/fes_core"),l.default.prototype.alpha=function(e){return l.default._validateParameters("alpha",arguments),this.color(e)._getAlpha()},l.default.prototype.blue=function(e){return l.default._validateParameters("blue",arguments),this.color(e)._getBlue()},l.default.prototype.brightness=function(e){return l.default._validateParameters("brightness",arguments),this.color(e)._getBrightness()},l.default.prototype.color=function(){var e;return l.default._validateParameters("color",arguments),arguments[0]instanceof l.default.Color?arguments[0]:(e=arguments[0]instanceof 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curve (after t1)?\n if (y1 ? !y2 : y0) {\n // add the coverage for t1\n coverage.x += saturate(C1.x + 0.5);\n // calculate the anti-aliasing for t1\n weight.x = min(weight.x, abs(C1.x));\n }\n\n // are we outside the curve (after t2)?\n if (y1 ? !y0 : y2) {\n // subtract the coverage for t2\n coverage.x -= saturate(C2.x + 0.5);\n // calculate the anti-aliasing for t2\n weight.x = min(weight.x, abs(C2.x));\n }\n}\n\n// this is essentially the same as coverageX, but with the axes swapped\nvoid coverageY(vec2 p0, vec2 p1, vec2 p2) {\n\n vec2 C1, C2;\n calulateCrossings(p0, p1, p2, C1, C2);\n\n bool x0 = p0.x > vTexCoord.x;\n bool x1 = p1.x > vTexCoord.x;\n bool x2 = p2.x > vTexCoord.x;\n\n if (x1 ? !x2 : x0) {\n coverage.y -= saturate(C1.y + 0.5);\n weight.y = min(weight.y, abs(C1.y));\n }\n\n if (x1 ? !x0 : x2) {\n coverage.y += saturate(C2.y + 0.5);\n weight.y = min(weight.y, abs(C2.y));\n }\n}\n\nvoid main() {\n\n // calculate the pixel scale based on screen-coordinates\n pixelScale = hardness / fwidth(vTexCoord);\n\n // which grid cell is this pixel in?\n ivec2 gridCoord = ifloor(vTexCoord * vec2(uGridSize));\n\n // intersect curves in this row\n {\n // the index into the row info bitmap\n int rowIndex = gridCoord.y + uGridOffset.y;\n // fetch the info texel\n vec4 rowInfo = getTexel(uSamplerRows, rowIndex, uGridImageSize);\n // unpack the rowInfo\n int rowStrokeIndex = getInt16(rowInfo.xy);\n int rowStrokeCount = getInt16(rowInfo.zw);\n\n for (int iRowStroke = INT(0); iRowStroke < N; iRowStroke++) {\n if (iRowStroke >= rowStrokeCount)\n break;\n\n // each stroke is made up of 3 points: the start and control point\n // and the start of the next curve.\n // fetch the indices of this pair of strokes:\n vec4 strokeIndices = getTexel(uSamplerRowStrokes, rowStrokeIndex++, uCellsImageSize);\n\n // unpack the stroke index\n int strokePos = getInt16(strokeIndices.xy);\n\n // fetch the two strokes\n vec4 stroke0 = getTexel(uSamplerStrokes, strokePos + INT(0), uStrokeImageSize);\n vec4 stroke1 = getTexel(uSamplerStrokes, strokePos + INT(1), uStrokeImageSize);\n\n // calculate the coverage\n coverageX(stroke0.xy, stroke0.zw, stroke1.xy);\n }\n }\n\n // intersect curves in this column\n {\n int colIndex = gridCoord.x + uGridOffset.x;\n vec4 colInfo = getTexel(uSamplerCols, colIndex, uGridImageSize);\n int colStrokeIndex = getInt16(colInfo.xy);\n int colStrokeCount = getInt16(colInfo.zw);\n \n for (int iColStroke = INT(0); iColStroke < N; iColStroke++) {\n if (iColStroke >= colStrokeCount)\n break;\n\n vec4 strokeIndices = getTexel(uSamplerColStrokes, colStrokeIndex++, uCellsImageSize);\n\n int strokePos = getInt16(strokeIndices.xy);\n vec4 stroke0 = getTexel(uSamplerStrokes, strokePos + INT(0), uStrokeImageSize);\n vec4 stroke1 = getTexel(uSamplerStrokes, strokePos + INT(1), uStrokeImageSize);\n coverageY(stroke0.xy, stroke0.zw, stroke1.xy);\n }\n }\n\n weight = saturate(1.0 - weight * 2.0);\n float distance = max(weight.x + weight.y, minDistance); // manhattan approx.\n float antialias = abs(dot(coverage, weight) / distance);\n float cover = min(abs(coverage.x), abs(coverage.y));\n OUT_COLOR = vec4(uMaterialColor.rgb, 1.) * uMaterialColor.a;\n OUT_COLOR *= saturate(max(antialias, cover));\n}\n",lineVert:T+"/*\n Part of the Processing project - http://processing.org\n Copyright (c) 2012-15 The Processing Foundation\n Copyright (c) 2004-12 Ben Fry and Casey Reas\n Copyright (c) 2001-04 Massachusetts Institute of Technology\n This library is free software; you can redistribute it and/or\n modify it under the terms of the GNU Lesser General Public\n License as published by the Free Software Foundation, version 2.1.\n This library is distributed in the hope that it will be useful,\n but WITHOUT ANY WARRANTY; without even the implied warranty of\n MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU\n Lesser General Public License for more details.\n You should have received a copy of the GNU Lesser General\n Public License along with this library; if not, write to the\n Free Software Foundation, Inc., 59 Temple Place, Suite 330,\n Boston, MA 02111-1307 USA\n*/\n\n#define PROCESSING_LINE_SHADER\n\nprecision mediump int;\n\nuniform mat4 uModelViewMatrix;\nuniform mat4 uProjectionMatrix;\nuniform float uStrokeWeight;\n\nuniform bool uUseLineColor;\nuniform vec4 uMaterialColor;\n\nuniform vec4 uViewport;\nuniform int uPerspective;\nuniform int uStrokeJoin;\n\nIN vec4 aPosition;\nIN vec3 aTangentIn;\nIN vec3 aTangentOut;\nIN float aSide;\nIN vec4 aVertexColor;\n\nOUT vec4 vColor;\nOUT vec2 vTangent;\nOUT vec2 vCenter;\nOUT vec2 vPosition;\nOUT float vMaxDist;\nOUT float vCap;\nOUT float vJoin;\n\nvec2 lineIntersection(vec2 aPoint, vec2 aDir, vec2 bPoint, vec2 bDir) {\n // Rotate and translate so a starts at the origin and goes out to the right\n bPoint -= aPoint;\n vec2 rotatedBFrom = vec2(\n bPoint.x*aDir.x + bPoint.y*aDir.y,\n bPoint.y*aDir.x - bPoint.x*aDir.y\n );\n vec2 bTo = bPoint + bDir;\n vec2 rotatedBTo = vec2(\n bTo.x*aDir.x + bTo.y*aDir.y,\n bTo.y*aDir.x - bTo.x*aDir.y\n );\n float intersectionDistance =\n rotatedBTo.x + (rotatedBFrom.x - rotatedBTo.x) * rotatedBTo.y /\n (rotatedBTo.y - rotatedBFrom.y);\n return aPoint + aDir * intersectionDistance;\n}\n\nvoid main() {\n // Caps have one of either the in or out tangent set to 0\n vCap = (aTangentIn == vec3(0.)) != (aTangentOut == (vec3(0.)))\n ? 1. : 0.;\n\n // Joins have two unique, defined tangents\n vJoin = (\n aTangentIn != vec3(0.) &&\n aTangentOut != vec3(0.) &&\n aTangentIn != aTangentOut\n ) ? 1. : 0.;\n\n vec4 posp = uModelViewMatrix * aPosition;\n vec4 posqIn = uModelViewMatrix * (aPosition + vec4(aTangentIn, 0));\n vec4 posqOut = uModelViewMatrix * (aPosition + vec4(aTangentOut, 0));\n\n float facingCamera = pow(\n // The word space tangent's z value is 0 if it's facing the camera\n abs(normalize(posqIn-posp).z),\n\n // Using pow() here to ramp `facingCamera` up from 0 to 1 really quickly\n // so most lines get scaled and don't get clipped\n 0.25\n );\n\n // using a scale <1 moves the lines towards the camera\n // in order to prevent popping effects due to half of\n // the line disappearing behind the geometry faces.\n float scale = mix(1., 0.995, facingCamera);\n\n // Moving vertices slightly toward the camera\n // to avoid depth-fighting with the fill triangles.\n // Discussed here:\n // http://www.opengl.org/discussion_boards/ubbthreads.php?ubb=showflat&Number=252848 \n posp.xyz = posp.xyz * scale;\n posqIn.xyz = posqIn.xyz * scale;\n posqOut.xyz = posqOut.xyz * scale;\n\n vec4 p = uProjectionMatrix * posp;\n vec4 qIn = uProjectionMatrix * posqIn;\n vec4 qOut = uProjectionMatrix * posqOut;\n vCenter = p.xy;\n\n // formula to convert from clip space (range -1..1) to screen space (range 0..[width or height])\n // screen_p = (p.xy/p.w + <1,1>) * 0.5 * uViewport.zw\n\n // prevent division by W by transforming the tangent formula (div by 0 causes\n // the line to disappear, see https://github.com/processing/processing/issues/5183)\n // t = screen_q - screen_p\n //\n // tangent is normalized and we don't care which aDirection it points to (+-)\n // t = +- normalize( screen_q - screen_p )\n // t = +- normalize( (q.xy/q.w+<1,1>)*0.5*uViewport.zw - (p.xy/p.w+<1,1>)*0.5*uViewport.zw )\n //\n // extract common factor, <1,1> - <1,1> cancels out\n // t = +- normalize( (q.xy/q.w - p.xy/p.w) * 0.5 * uViewport.zw )\n //\n // convert to common divisor\n // t = +- normalize( ((q.xy*p.w - p.xy*q.w) / (p.w*q.w)) * 0.5 * uViewport.zw )\n //\n // remove the common scalar divisor/factor, not needed due to normalize and +-\n // (keep uViewport - can't remove because it has different components for x and y\n // and corrects for aspect ratio, see https://github.com/processing/processing/issues/5181)\n // t = +- normalize( (q.xy*p.w - p.xy*q.w) * uViewport.zw )\n\n vec2 tangentIn = normalize((qIn.xy*p.w - p.xy*qIn.w) * uViewport.zw);\n vec2 tangentOut = normalize((qOut.xy*p.w - p.xy*qOut.w) * uViewport.zw);\n\n vec2 curPerspScale;\n if(uPerspective == 1) {\n // Perspective ---\n // convert from world to clip by multiplying with projection scaling factor\n // to get the right thickness (see https://github.com/processing/processing/issues/5182)\n\n // The y value of the projection matrix may be flipped if rendering to a Framebuffer.\n // Multiplying again by its sign here negates the flip to get just the scale.\n curPerspScale = (uProjectionMatrix * vec4(1, sign(uProjectionMatrix[1][1]), 0, 0)).xy;\n } else {\n // No Perspective ---\n // multiply by W (to cancel out division by W later in the pipeline) and\n // convert from screen to clip (derived from clip to screen above)\n curPerspScale = p.w / (0.5 * uViewport.zw);\n }\n\n vec2 offset;\n if (vJoin == 1.) {\n vTangent = normalize(tangentIn + tangentOut);\n vec2 normalIn = vec2(-tangentIn.y, tangentIn.x);\n vec2 normalOut = vec2(-tangentOut.y, tangentOut.x);\n float side = sign(aSide);\n float sideEnum = abs(aSide);\n\n // We generate vertices for joins on either side of the centerline, but\n // the \"elbow\" side is the only one needing a join. By not setting the\n // offset for the other side, all its vertices will end up in the same\n // spot and not render, effectively discarding it.\n if (sign(dot(tangentOut, vec2(-tangentIn.y, tangentIn.x))) != side) {\n // Side enums:\n // 1: the side going into the join\n // 2: the middle of the join\n // 3: the side going out of the join\n if (sideEnum == 2.) {\n // Calculate the position + tangent on either side of the join, and\n // find where the lines intersect to find the elbow of the join\n vec2 c = (posp.xy/posp.w + vec2(1.,1.)) * 0.5 * uViewport.zw;\n vec2 intersection = lineIntersection(\n c + (side * normalIn * uStrokeWeight / 2.),\n tangentIn,\n c + (side * normalOut * uStrokeWeight / 2.),\n tangentOut\n );\n offset = (intersection - c);\n\n // When lines are thick and the angle of the join approaches 180, the\n // elbow might be really far from the center. We'll apply a limit to\n // the magnitude to avoid lines going across the whole screen when this\n // happens.\n float mag = length(offset);\n float maxMag = 3. * uStrokeWeight;\n if (mag > maxMag) {\n offset *= maxMag / mag;\n }\n } else if (sideEnum == 1.) {\n offset = side * normalIn * uStrokeWeight / 2.;\n } else if (sideEnum == 3.) {\n offset = side * normalOut * uStrokeWeight / 2.;\n }\n }\n if (uStrokeJoin == STROKE_JOIN_BEVEL) {\n vec2 avgNormal = vec2(-vTangent.y, vTangent.x);\n vMaxDist = abs(dot(avgNormal, normalIn * uStrokeWeight / 2.));\n } else {\n vMaxDist = uStrokeWeight / 2.;\n }\n } else {\n vec2 tangent = aTangentIn == vec3(0.) ? tangentOut : tangentIn;\n vTangent = tangent;\n vec2 normal = vec2(-tangent.y, tangent.x);\n\n float normalOffset = sign(aSide);\n // Caps will have side values of -2 or 2 on the edge of the cap that\n // extends out from the line\n float tangentOffset = abs(aSide) - 1.;\n offset = (normal * normalOffset + tangent * tangentOffset) *\n uStrokeWeight * 0.5;\n vMaxDist = uStrokeWeight / 2.;\n }\n vPosition = vCenter + offset;\n\n gl_Position.xy = p.xy + offset.xy * curPerspScale;\n gl_Position.zw = p.zw;\n \n vColor = (uUseLineColor ? aVertexColor : uMaterialColor);\n}\n",lineFrag:T+"precision mediump int;\n\nuniform vec4 uMaterialColor;\nuniform int uStrokeCap;\nuniform int uStrokeJoin;\nuniform float uStrokeWeight;\n\nIN vec4 vColor;\nIN vec2 vTangent;\nIN vec2 vCenter;\nIN vec2 vPosition;\nIN float vMaxDist;\nIN float vCap;\nIN float vJoin;\n\nfloat distSquared(vec2 a, vec2 b) {\n vec2 aToB = b - a;\n return dot(aToB, aToB);\n}\n\nvoid main() {\n if (vCap > 0.) {\n if (\n uStrokeCap == STROKE_CAP_ROUND &&\n distSquared(vPosition, vCenter) > uStrokeWeight * uStrokeWeight * 0.25\n ) {\n discard;\n } else if (\n uStrokeCap == STROKE_CAP_SQUARE &&\n dot(vPosition - vCenter, vTangent) > 0.\n ) {\n discard;\n }\n // Use full area for PROJECT\n } else if (vJoin > 0.) {\n if (\n uStrokeJoin == STROKE_JOIN_ROUND &&\n distSquared(vPosition, vCenter) > uStrokeWeight * uStrokeWeight * 0.25\n ) {\n discard;\n } else if (uStrokeJoin == STROKE_JOIN_BEVEL) {\n vec2 normal = vec2(-vTangent.y, vTangent.x);\n if (abs(dot(vPosition - vCenter, normal)) > vMaxDist) {\n discard;\n }\n }\n // Use full area for MITER\n }\n OUT_COLOR = vec4(vColor.rgb, 1.) * vColor.a;\n}\n",pointVert:"IN vec3 aPosition;\nuniform float uPointSize;\nOUT float vStrokeWeight;\nuniform mat4 uModelViewMatrix;\nuniform mat4 uProjectionMatrix;\nvoid main() {\n\tvec4 positionVec4 = vec4(aPosition, 1.0);\n\tgl_Position = uProjectionMatrix * uModelViewMatrix * positionVec4;\n\tgl_PointSize = uPointSize;\n\tvStrokeWeight = uPointSize;\n}\n",pointFrag:"precision mediump int;\nuniform vec4 uMaterialColor;\nIN float vStrokeWeight;\n\nvoid main(){\n float mask = 0.0;\n\n // make a circular mask using the gl_PointCoord (goes from 0 - 1 on a point)\n // might be able to get a nicer edge on big strokeweights with smoothstep but slightly less performant\n\n mask = step(0.98, length(gl_PointCoord * 2.0 - 1.0));\n\n // if strokeWeight is 1 or less lets just draw a square\n // this prevents weird artifacting from carving circles when our points are really small\n // if strokeWeight is larger than 1, we just use it as is\n\n mask = mix(0.0, mask, clamp(floor(vStrokeWeight - 0.5),0.0,1.0));\n\n // throw away the borders of the mask\n // otherwise we get weird alpha blending issues\n\n if(mask > 0.98){\n discard;\n }\n\n OUT_COLOR = vec4(uMaterialColor.rgb, 1.) * uMaterialColor.a;\n}\n",imageLightVert:"precision highp float;\nattribute vec3 aPosition;\nattribute vec3 aNormal;\nattribute vec2 aTexCoord;\n\nvarying vec3 localPos;\nvarying vec3 vWorldNormal;\nvarying vec3 vWorldPosition;\nvarying vec2 vTexCoord;\n\nuniform mat4 uModelViewMatrix;\nuniform mat4 uProjectionMatrix;\nuniform mat3 uNormalMatrix;\n\nvoid main() {\n // Multiply the position by the matrix.\n vec4 viewModelPosition = uModelViewMatrix * vec4(aPosition, 1.0);\n gl_Position = uProjectionMatrix * viewModelPosition; \n \n // orient the normals and pass to the fragment shader\n vWorldNormal = uNormalMatrix * aNormal;\n \n // send the view position to the fragment shader\n vWorldPosition = (uModelViewMatrix * vec4(aPosition, 1.0)).xyz;\n \n localPos = vWorldPosition;\n vTexCoord = aTexCoord;\n}\n\n\n/*\nin the vertex shader we'll compute the world position and world oriented normal of the vertices and pass those to the fragment shader as varyings.\n*/\n",imageLightDiffusedFrag:"precision highp float;\nvarying vec3 localPos;\n\n// the HDR cubemap converted (can be from an equirectangular environment map.)\nuniform sampler2D environmentMap;\nvarying vec2 vTexCoord;\n\nconst float PI = 3.14159265359;\n\nvec2 nTOE( vec3 v ){\n // x = r sin(phi) cos(theta) \n // y = r cos(phi) \n // z = r sin(phi) sin(theta)\n float phi = acos( v.y );\n // if phi is 0, then there are no x, z components\n float theta = 0.0;\n // else \n theta = acos(v.x / sin(phi));\n float sinTheta = v.z / sin(phi);\n if (sinTheta < 0.0) {\n // Turn it into -theta, but in the 0-2PI range\n theta = 2.0 * PI - theta;\n }\n theta = theta / (2.0 * 3.14159);\n phi = phi / 3.14159 ;\n \n vec2 angles = vec2( phi, theta );\n return angles;\n}\n\nvoid main()\n{ \t \n\t// the sample direction equals the hemisphere's orientation\n float phi = vTexCoord.x * 2.0 * PI;\n float theta = vTexCoord.y * PI;\n float x = sin(theta) * cos(phi);\n float y = sin(theta) * sin(phi);\n float z = cos(theta);\n vec3 normal = vec3( x, y, z);\n\n\t// Discretely sampling the hemisphere given the integral's\n // spherical coordinates translates to the following fragment code:\n\tvec3 irradiance = vec3(0.0); \n\tvec3 up\t= vec3(0.0, 1.0, 0.0);\n\tvec3 right = normalize(cross(up, normal));\n\tup = normalize(cross(normal, right));\n\n\t// We specify a fixed sampleDelta delta value to traverse\n // the hemisphere; decreasing or increasing the sample delta\n // will increase or decrease the accuracy respectively.\n\tconst float sampleDelta = 0.025;\n\tfloat nrSamples = 0.0;\n \n\tfor(float phi = 0.0; phi < 2.0 * PI; phi += sampleDelta)\n\t{\n for(float theta = 0.0; theta < ( 0.5 ) * PI; theta += sampleDelta)\n {\n // spherical to cartesian (in tangent space) // tangent space to world // add each sample result to irradiance\n float x = sin(theta) * cos(phi);\n float y = sin(theta) * sin(phi);\n float z = cos(theta);\n vec3 tangentSample = vec3( x, y, z);\n \n vec3 sampleVec = tangentSample.x * right + tangentSample.y * up + tangentSample.z * normal;\n irradiance += (texture2D(environmentMap, nTOE(sampleVec)).xyz) * cos(theta) * sin(theta);\n nrSamples++;\n }\n\t}\n\t// divide by the total number of samples taken, giving us the average sampled irradiance.\n\tirradiance = PI * irradiance * (1.0 / float(nrSamples )) ;\n \n \n\tgl_FragColor = vec4(irradiance, 1.0);\n}",imageLightSpecularFrag:"precision highp float;\r\nvarying vec3 localPos;\r\nvarying vec2 vTexCoord;\r\n\r\n// our texture\r\nuniform sampler2D environmentMap;\r\nuniform float roughness;\r\n\r\nconst float PI = 3.14159265359;\r\n\r\nfloat VanDerCorput(int bits);\r\nvec2 HammersleyNoBitOps(int i, int N);\r\nvec3 ImportanceSampleGGX(vec2 Xi, vec3 N, float roughness);\r\n\r\n\r\nvec2 nTOE( vec3 v ){\r\n // x = r sin(phi) cos(theta) \r\n // y = r cos(phi) \r\n // z = r sin(phi) sin(theta)\r\n float phi = acos( v.y );\r\n // if phi is 0, then there are no x, z components\r\n float theta = 0.0;\r\n // else \r\n theta = acos(v.x / sin(phi));\r\n float sinTheta = v.z / sin(phi);\r\n if (sinTheta < 0.0) {\r\n // Turn it into -theta, but in the 0-2PI range\r\n theta = 2.0 * PI - theta;\r\n }\r\n theta = theta / (2.0 * 3.14159);\r\n phi = phi / 3.14159 ;\r\n \r\n vec2 angles = vec2( phi, theta );\r\n return angles;\r\n}\r\n\r\n\r\nvoid main(){\r\n const int SAMPLE_COUNT = 1024; // 4096\r\n float totalWeight = 0.0;\r\n vec3 prefilteredColor = vec3(0.0);\r\n float phi = vTexCoord.x * 2.0 * PI;\r\n float theta = vTexCoord.y * PI;\r\n float x = sin(theta) * cos(phi);\r\n float y = sin(theta) * sin(phi);\r\n float z = cos(theta);\r\n vec3 N = vec3(x,y,z);\r\n vec3 V = N;\r\n for (int i = 0; i < SAMPLE_COUNT; ++i)\r\n {\r\n vec2 Xi = HammersleyNoBitOps(i, SAMPLE_COUNT);\r\n vec3 H = ImportanceSampleGGX(Xi, N, roughness);\r\n vec3 L = normalize(2.0 * dot(V, H) * H - V);\r\n\r\n float NdotL = max(dot(N, L), 0.0);\r\n if (NdotL > 0.0)\r\n {\r\n prefilteredColor += texture2D(environmentMap, nTOE(L)).xyz * NdotL;\r\n totalWeight += NdotL;\r\n }\r\n }\r\n prefilteredColor = prefilteredColor / totalWeight;\r\n\r\n gl_FragColor = vec4(prefilteredColor, 1.0);\r\n}\r\n\r\nvec3 ImportanceSampleGGX(vec2 Xi, vec3 N, float roughness){\r\n float a = roughness * roughness;\r\n\r\n float phi = 2.0 * PI * Xi.x;\r\n float cosTheta = sqrt((1.0 - Xi.y) / (1.0 + (a * a - 1.0) * Xi.y));\r\n float sinTheta = sqrt(1.0 - cosTheta * cosTheta);\r\n // from spherical coordinates to cartesian coordinates\r\n vec3 H;\r\n H.x = cos(phi) * sinTheta;\r\n H.y = sin(phi) * sinTheta;\r\n H.z = cosTheta;\r\n\r\n // from tangent-space vector to world-space sample vector\r\n vec3 up = abs(N.z) < 0.999 ? vec3(0.0, 0.0, 1.0) : vec3(1.0, 0.0, 0.0);\r\n vec3 tangent = normalize(cross(up, N));\r\n vec3 bitangent = cross(N, tangent);\r\n\r\n vec3 sampleVec = tangent * H.x + bitangent * H.y + N * H.z;\r\n return normalize(sampleVec);\r\n}\r\n\r\n\r\nfloat VanDerCorput(int n, int base)\r\n{\r\n float invBase = 1.0 / float(base);\r\n float denom = 1.0;\r\n float result = 0.0;\r\n\r\n for (int i = 0; i < 32; ++i)\r\n {\r\n\tif (n > 0)\r\n\t{\r\n \tdenom = mod(float(n), 2.0);\r\n \tresult += denom * invBase;\r\n \tinvBase = invBase / 2.0;\r\n \tn = int(float(n) / 2.0);\r\n\t}\r\n }\r\n\r\n return result;\r\n}\r\n\r\nvec2 HammersleyNoBitOps(int i, int N)\r\n{\r\n return vec2(float(i) / float(N), VanDerCorput(i, 2));\r\n}\r\n"};for(x in M)M[x]="#ifdef WEBGL2\n\n#define IN in\n#define OUT out\n\n#ifdef FRAGMENT_SHADER\nout vec4 outColor;\n#define OUT_COLOR outColor\n#endif\n#define TEXTURE texture\n\n#else\n\n#ifdef FRAGMENT_SHADER\n#define IN varying\n#else\n#define IN attribute\n#endif\n#define OUT varying\n#define TEXTURE texture2D\n\n#ifdef FRAGMENT_SHADER\n#define OUT_COLOR gl_FragColor\n#endif\n\n#endif\n"+M[x];j(e={},l.GRAY,"precision highp float;\n\nvarying vec2 vTexCoord;\n\nuniform sampler2D tex0;\n\nfloat luma(vec3 color) {\n // weighted grayscale with luminance values\n return dot(color, vec3(0.2126, 0.7152, 0.0722));\n}\n\nvoid main() {\n vec4 tex = texture2D(tex0, vTexCoord);\n float gray = luma(tex.rgb);\n gl_FragColor = vec4(gray, gray, gray, tex.a);\n}\n"),j(e,l.ERODE,"// Reduces the bright areas in an image\n\nprecision highp float;\n\nvarying vec2 vTexCoord;\n\nuniform sampler2D tex0;\nuniform vec2 texelSize;\n\nfloat luma(vec3 color) {\n // weighted grayscale with luminance values\n // weights 77, 151, 28 taken from src/image/filters.js\n return dot(color, vec3(0.300781, 0.589844, 0.109375));\n}\n\nvoid main() {\n vec4 color = texture2D(tex0, vTexCoord);\n float lum = luma(color.rgb);\n\n // set current color as the darkest neighbor color\n\n vec4 neighbors[4];\n neighbors[0] = texture2D(tex0, vTexCoord + vec2( texelSize.x, 0.0));\n neighbors[1] = texture2D(tex0, vTexCoord + vec2(-texelSize.x, 0.0));\n neighbors[2] = texture2D(tex0, vTexCoord + vec2(0.0, texelSize.y));\n neighbors[3] = texture2D(tex0, vTexCoord + vec2(0.0, -texelSize.y));\n\n for (int i = 0; i < 4; i++) {\n vec4 neighborColor = neighbors[i];\n float neighborLum = luma(neighborColor.rgb);\n\n if (neighborLum < lum) {\n color = neighborColor;\n lum = neighborLum;\n }\n }\n\n gl_FragColor = color;\n}\n"),j(e,l.DILATE,"// Increase the bright areas in an image\n\nprecision highp float;\n\nvarying vec2 vTexCoord;\n\nuniform sampler2D tex0;\nuniform vec2 texelSize;\n\nfloat luma(vec3 color) {\n // weighted grayscale with luminance values\n // weights 77, 151, 28 taken from src/image/filters.js\n return dot(color, vec3(0.300781, 0.589844, 0.109375));\n}\n\nvoid main() {\n vec4 color = texture2D(tex0, vTexCoord);\n float lum = luma(color.rgb);\n\n // set current color as the brightest neighbor color\n\n vec4 neighbors[4];\n neighbors[0] = texture2D(tex0, vTexCoord + vec2( texelSize.x, 0.0));\n neighbors[1] = texture2D(tex0, vTexCoord + vec2(-texelSize.x, 0.0));\n neighbors[2] = texture2D(tex0, vTexCoord + vec2(0.0, texelSize.y));\n neighbors[3] = texture2D(tex0, vTexCoord + vec2(0.0, -texelSize.y));\n\n for (int i = 0; i < 4; i++) {\n vec4 neighborColor = neighbors[i];\n float neighborLum = luma(neighborColor.rgb);\n\n if (neighborLum > lum) {\n color = neighborColor;\n lum = neighborLum;\n }\n }\n\n gl_FragColor = color;\n}\n"),j(e,l.BLUR,"precision highp float;\n\n// Two-pass blur filter, unweighted kernel.\n// See also a similar blur at Adam Ferriss' repo of shader examples:\n// https://github.com/aferriss/p5jsShaderExamples/blob/gh-pages/4_image-effects/4-9_single-pass-blur/effect.frag\n\n\nuniform sampler2D tex0;\nvarying vec2 vTexCoord;\nuniform vec2 direction;\nuniform vec2 canvasSize;\nuniform float radius;\n\nfloat random(vec2 p) {\n vec3 p3 = fract(vec3(p.xyx) * .1031);\n p3 += dot(p3, p3.yzx + 33.33);\n return fract((p3.x + p3.y) * p3.z);\n}\n\n// This isn't a real Gaussian weight, it's a quadratic weight. It's what the\n// CPU mode's blur uses though, so we also use it here to match.\nfloat quadWeight(float x, float e) {\n return pow(e-abs(x), 2.);\n}\n\nvoid main(){\n vec2 uv = vTexCoord;\n\n // A reasonable maximum number of samples\n const float maxSamples = 64.0;\n\n float numSamples = floor(7. * radius);\n if (fract(numSamples / 2.) == 0.) {\n numSamples++;\n }\n vec4 avg = vec4(0.0);\n float total = 0.0;\n\n // Calculate the spacing to avoid skewing if numSamples > maxSamples\n float spacing = 1.0;\n if (numSamples > maxSamples) {\n spacing = numSamples / maxSamples;\n numSamples = maxSamples;\n }\n\n float randomOffset = (spacing - 1.0) * mix(-0.5, 0.5, random(gl_FragCoord.xy));\n for (float i = 0.0; i < maxSamples; i++) {\n if (i >= numSamples) break;\n\n float sample = i * spacing - (numSamples - 1.0) * 0.5 * spacing + randomOffset;\n vec2 sampleCoord = uv + vec2(sample, sample) / canvasSize * direction;\n float weight = quadWeight(sample, (numSamples - 1.0) * 0.5 * spacing);\n\n avg += weight * texture2D(tex0, sampleCoord);\n total += weight;\n }\n\n avg /= total;\n gl_FragColor = avg;\n}\n"),j(e,l.POSTERIZE,"// Limit color space for a stylized cartoon / poster effect\n\nprecision highp float;\n\nvarying vec2 vTexCoord;\n\nuniform sampler2D tex0;\nuniform float filterParameter;\n\nvec3 quantize(vec3 color, float n) {\n // restrict values to N options/bins\n // and floor each channel to nearest value\n //\n // eg. when N = 5, values = 0.0, 0.25, 0.50, 0.75, 1.0\n // then quantize (0.1, 0.7, 0.9) -> (0.0, 0.5, 1.0)\n\n color = color * n;\n color = floor(color);\n color = color / (n - 1.0);\n return color;\n}\n\nvoid main() {\n vec4 color = texture2D(tex0, vTexCoord);\n\n vec3 restrictedColor = quantize(color.rgb / color.a, filterParameter);\n\n gl_FragColor = vec4(restrictedColor.rgb * color.a, color.a);\n}\n"),j(e,l.OPAQUE,"// Set alpha channel to entirely opaque\n\nprecision highp float;\n\nvarying vec2 vTexCoord;\n\nuniform sampler2D tex0;\n\nvoid main() {\n vec4 color = texture2D(tex0, vTexCoord);\n gl_FragColor = vec4(color.rgb / color.a, 1.0);\n}\n"),j(e,l.INVERT,"// Set each pixel to inverse value\n// Note that original INVERT does not change the opacity, so this follows suit\n\nprecision highp float;\n\nvarying vec2 vTexCoord;\n\nuniform sampler2D tex0;\n\nvoid main() {\nvec4 color = texture2D(tex0, vTexCoord);\nvec3 origColor = color.rgb / color.a;\nvec3 invertedColor = vec3(1.0) - origColor;\ngl_FragColor = vec4(invertedColor * color.a, color.a);\n}\n"),j(e,l.THRESHOLD,"// Convert pixels to either white or black, \n// depending on if their luma is above or below filterParameter\n\nprecision highp float;\n\nvarying vec2 vTexCoord;\n\nuniform sampler2D tex0;\nuniform float filterParameter;\n\nfloat luma(vec3 color) {\n // weighted grayscale with luminance values\n return dot(color, vec3(0.2126, 0.7152, 0.0722));\n}\n\nvoid main() {\n vec4 color = texture2D(tex0, vTexCoord);\n float gray = luma(color.rgb / color.a);\n // floor() used to match src/image/filters.js\n float threshold = floor(filterParameter * 255.0) / 255.0;\n float blackOrWhite = step(threshold, gray);\n gl_FragColor = vec4(vec3(blackOrWhite) * color.a, color.a);\n}\n");var E=e;function k(e,t,r,o,n,s,i,a,l,u){var c=t.getParameter(t.FRAMEBUFFER_BINDING),r=(t.bindFramebuffer(t.FRAMEBUFFER,r),a===t.RGBA?4:3),d=s*i*r,h=l===t.UNSIGNED_BYTE?Uint8Array:Float32Array;if(e instanceof h&&e.length===d||(e=new h(d)),t.readPixels(o,u?u-n-i:n,s,i,a,l,e),t.bindFramebuffer(t.FRAMEBUFFER,c),u)for(var f=Math.floor(i/2),p=new h(s*r),m=0;m>7,127&d,c>>7,127&c);for(var h=0;h>7,127&f,0,0)}}return{cellImageInfo:a,dimOffset:t,dimImageInfo:n}}}}]),t}();B.default.RendererGL.prototype._renderText=function(e,t,r,o,n){if(this._textFont&&"string"!=typeof this._textFont){if(!(n<=o)&&this._doFill){if(this._isOpenType()){e.push();var n=this._doStroke,s=this.drawMode,i=(this._doStroke=!1,this.drawMode=M.TEXTURE,this._textFont.font),a=(a=this._textFont._fontInfo)||(this._textFont._fontInfo=new E(i)),r=this._textFont._handleAlignment(this,t,r,o),o=this._textSize/i.unitsPerEm,l=(this.translate(r.x,r.y,0),this.scale(o,o,1),this.GL),r=!this._defaultFontShader,u=this._getFontShader(),c=(u.init(),u.bindShader(),r&&(u.setUniform("uGridImageSize",[64,64]),u.setUniform("uCellsImageSize",[64,64]),u.setUniform("uStrokeImageSize",[64,64]),u.setUniform("uGridSize",[9,9])),this._applyColorBlend(this.curFillColor),this.retainedMode.geometry.glyph),d=(c||((o=this._textGeom=new B.default.Geometry(1,1,function(){for(var e=0;e<=1;e++)for(var t=0;t<=1;t++)this.vertices.push(new B.default.Vector(t,e,0)),this.uvs.push(t,e)})).computeFaces().computeNormals(),c=this.createBuffers("glyph",o)),!0),r=!1,o=void 0;try{for(var h,f=this.retainedMode.buffers.text[Symbol.iterator]();!(d=(h=f.next()).done);d=!0)h.value._prepareBuffer(c,u)}catch(e){r=!0,o=e}finally{try{d||null==f.return||f.return()}finally{if(r)throw o}}this._bindBuffer(c.indexBuffer,l.ELEMENT_ARRAY_BUFFER),u.setUniform("uMaterialColor",this.curFillColor),l.pixelStorei(l.UNPACK_PREMULTIPLY_ALPHA_WEBGL,!1);try{var p=0,m=null,y=i.stringToGlyphs(t),g=!0,v=!1,b=void 0;try{for(var j,_=y[Symbol.iterator]();!(g=(j=_.next()).done);g=!0){var x,w,S=j.value,T=(m&&(p+=i.getKerningValue(m,S)),a.getGlyphInfo(S));T.uGlyphRect&&(x=T.rowInfo,w=T.colInfo,u.setUniform("uSamplerStrokes",T.strokeImageInfo.imageData),u.setUniform("uSamplerRowStrokes",x.cellImageInfo.imageData),u.setUniform("uSamplerRows",x.dimImageInfo.imageData),u.setUniform("uSamplerColStrokes",w.cellImageInfo.imageData),u.setUniform("uSamplerCols",w.dimImageInfo.imageData),u.setUniform("uGridOffset",T.uGridOffset),u.setUniform("uGlyphRect",T.uGlyphRect),u.setUniform("uGlyphOffset",p),u.bindTextures(),l.drawElements(l.TRIANGLES,6,this.GL.UNSIGNED_SHORT,0)),p+=S.advanceWidth,m=S}}catch(e){v=!0,b=e}finally{try{g||null==_.return||_.return()}finally{if(v)throw b}}}finally{u.unbindShader(),this._doStroke=n,this.drawMode=s,l.pixelStorei(l.UNPACK_PREMULTIPLY_ALPHA_WEBGL,!0),e.pop()}}else console.log("WEBGL: only Opentype (.otf) and Truetype (.ttf) fonts are supported");return e}}else console.log("WEBGL: you must load and set a font before drawing text. 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                                                                '))),this._accessibleOutputs[r]={},"textOutput"===e?(i="#".concat(s,"gridOutput").concat(i),n='
                                                                Text Output

                                                                  '),this.dummyDOM.querySelector(i)?this.dummyDOM.querySelector(i).insertAdjacentHTML("beforebegin",n):this.dummyDOM.querySelector("#".concat(o)).innerHTML=n,this._accessibleOutputs[r].list=this.dummyDOM.querySelector("#".concat(r,"_list"))):"gridOutput"===e&&(i="#".concat(s,"textOutput").concat(i),n='
                                                                  Grid Output

                                                                    '),this.dummyDOM.querySelector(i)?this.dummyDOM.querySelector(i).insertAdjacentHTML("afterend",n):this.dummyDOM.querySelector("#".concat(o)).innerHTML=n,this._accessibleOutputs[r].map=this.dummyDOM.querySelector("#".concat(r,"_map"))),this._accessibleOutputs[r].shapeDetails=this.dummyDOM.querySelector("#".concat(r,"_shapeDetails")),this._accessibleOutputs[r].summary=this.dummyDOM.querySelector("#".concat(r,"_summary"))},o.default.prototype._updateAccsOutput=function(){var e=this.canvas.id;JSON.stringify(this.ingredients.shapes)===this.ingredients.pShapes&&this.ingredients.colors.background===this.ingredients.pBackground||(this.ingredients.pShapes=JSON.stringify(this.ingredients.shapes),this._accessibleOutputs.text&&this._updateTextOutput(e+"textOutput"),this._accessibleOutputs.grid&&this._updateGridOutput(e+"gridOutput"),this._accessibleOutputs.textLabel&&this._updateTextOutput(e+"textOutputLabel"),this._accessibleOutputs.gridLabel&&this._updateGridOutput(e+"gridOutputLabel"))},o.default.prototype._accsBackground=function(e){this.ingredients.pShapes=JSON.stringify(this.ingredients.shapes),this.ingredients.pBackground=this.ingredients.colors.background,this.ingredients.shapes={},this.ingredients.colors.backgroundRGBA!==e&&(this.ingredients.colors.backgroundRGBA=e,this.ingredients.colors.background=this._rgbColorName(e))},o.default.prototype._accsCanvasColors=function(e,t){"fill"===e?this.ingredients.colors.fillRGBA!==t&&(this.ingredients.colors.fillRGBA=t,this.ingredients.colors.fill=this._rgbColorName(t)):"stroke"===e&&this.ingredients.colors.strokeRGBA!==t&&(this.ingredients.colors.strokeRGBA=t,this.ingredients.colors.stroke=this._rgbColorName(t))},o.default.prototype._accsOutput=function(e,t){"ellipse"===e&&t[2]===t[3]?e="circle":"rectangle"===e&&t[2]===t[3]&&(e="square");var r,o,n={},s=!0,i=function(e,t){var r;e="rectangle"===e||"ellipse"===e||"arc"===e||"circle"===e||"square"===e?(r=Math.round(t[0]+t[2]/2),Math.round(t[1]+t[3]/2)):"triangle"===e?(r=(t[0]+t[2]+t[4])/3,(t[1]+t[3]+t[5])/3):"quadrilateral"===e?(r=(t[0]+t[2]+t[4]+t[6])/4,(t[1]+t[3]+t[5]+t[7])/4):"line"===e?(r=(t[0]+t[2])/2,(t[1]+t[3])/2):(r=t[0],t[1]);return[r,e]}(e,t);if("line"===e?(n.color=this.ingredients.colors.stroke,n.length=Math.round(this.dist(t[0],t[1],t[2],t[3])),r=this._getPos(t[0],[1]),o=this._getPos(t[2],[3]),n.loc=u(i,this.width,this.height),n.pos=r===o?"at ".concat(r):"from ".concat(r," to ").concat(o)):("point"===e?n.color=this.ingredients.colors.stroke:(n.color=this.ingredients.colors.fill,n.area=this._getArea(e,t)),n.pos=this._getPos.apply(this,l(i)),n.loc=u(i,this.width,this.height)),this.ingredients.shapes[e]){if(this.ingredients.shapes[e]!==[n]){for(var a in this.ingredients.shapes[e])JSON.stringify(this.ingredients.shapes[e][a])===JSON.stringify(n)&&(s=!1);!0===s&&this.ingredients.shapes[e].push(n)}}else this.ingredients.shapes[e]=[n]},o.default.prototype._getPos=function(e,t){var e=new DOMPointReadOnly(e,t),t=this._renderer.isP3D?new DOMMatrix(this._renderer.uMVMatrix.mat4):this.drawingContext.getTransform(),e=e.matrixTransform(t),t=e.x,e=e.y,r=this.width*this._pixelDensity,o=this.height*this._pixelDensity;return t<.4*r?e<.4*o?"top left":.6*oMath.PI?n+=o:n-=o)):"ellipse"===e||"circle"===e?n=3.14*t[2]/2*t[3]/2:"line"===e||"point"===e?n=0:"quadrilateral"===e?n=Math.abs((t[6]+t[0])*(t[7]-t[1])+(t[0]+t[2])*(t[1]-t[3])+(t[2]+t[4])*(t[3]-t[5])+(t[4]+t[6])*(t[5]-t[7]))/2:"rectangle"===e||"square"===e?n=t[2]*t[3]:"triangle"===e&&(n=Math.abs(t[0]*(t[3]-t[5])+t[2]*(t[5]-t[1])+t[4]*(t[1]-t[3]))/2),this.width*this._pixelDensity),i=this.height*this._pixelDensity,a=[new DOMPoint(0,0),new DOMPoint(s,0),new DOMPoint(s,i),new 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strict";e("core-js/modules/es.array.concat"),e("core-js/modules/es.array.concat"),Object.defineProperty(r,"__esModule",{value:!0}),r.default=void 0;e=(e=e("../core/main"))&&e.__esModule?e:{default:e};e.default.prototype._updateTextOutput=function(e){var t,r,o,n;this.dummyDOM.querySelector("#".concat(e,"_summary"))&&(t=this._accessibleOutputs[e],o=function(e,t,r,o){r="Your output is a, ".concat(r," by ").concat(o," pixels, ").concat(t," canvas containing the following");r=1===e?"".concat(r," shape:"):"".concat(r," ").concat(e," shapes:");return r}((r=function(e,t){var r,o="",n=0;for(r in t)for(var s in t[r]){var i='
                                                                  • ').concat(t[r][s].color," ").concat(r,"");"line"===r?i+=", ".concat(t[r][s].pos,", ").concat(t[r][s].length," pixels long.
                                                                    • "):(i+=", at ".concat(t[r][s].pos),"point"!==r&&(i+=", covering ".concat(t[r][s].area,"% of the canvas")),i+="."),o+=i,n++}return{numShapes:n,listShapes:o}}(e,this.ingredients.shapes)).numShapes,this.ingredients.colors.background,this.width,this.height),n=function(e,t){var r,o="",n=0;for(r in t)for(var s in t[r]){var i='').concat(t[r][s].color," ").concat(r,"");"line"===r?i+="location = ".concat(t[r][s].pos,"length = ").concat(t[r][s].length," pixels"):(i+="location = ".concat(t[r][s].pos,""),"point"!==r&&(i+=" area = ".concat(t[r][s].area,"%")),i+=""),o+=i,n++}return o}(e,this.ingredients.shapes),o!==t.summary.innerHTML&&(t.summary.innerHTML=o),r.listShapes!==t.list.innerHTML&&(t.list.innerHTML=r.listShapes),n!==t.shapeDetails.innerHTML&&(t.shapeDetails.innerHTML=n),this._accessibleOutputs[e]=t)};e=e.default;r.default=e},{"../core/main":283,"core-js/modules/es.array.concat":153}],267:[function(e,t,r){"use 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s;Object.prototype.hasOwnProperty.call(e,r)&&((s=n?Object.getOwnPropertyDescriptor(e,r):null)&&(s.get||s.set)?Object.defineProperty(o,r,s):o[r]=e[r])}o.default=e,t&&t.set(e,o);return o}(e("../core/constants"));function a(){var e;return"function"!=typeof WeakMap?null:(e=new WeakMap,a=function(){return e},e)}e("./p5.Color"),e("../core/friendly_errors/validate_params"),e("../core/friendly_errors/file_errors"),e("../core/friendly_errors/fes_core"),l.default.prototype.alpha=function(e){return l.default._validateParameters("alpha",arguments),this.color(e)._getAlpha()},l.default.prototype.blue=function(e){return l.default._validateParameters("blue",arguments),this.color(e)._getBlue()},l.default.prototype.brightness=function(e){return l.default._validateParameters("brightness",arguments),this.color(e)._getBrightness()},l.default.prototype.color=function(){for(var e,t=arguments.length,r=new 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curve (after t1)?\n if (y1 ? !y2 : y0) {\n // add the coverage for t1\n coverage.x += saturate(C1.x + 0.5);\n // calculate the anti-aliasing for t1\n weight.x = min(weight.x, abs(C1.x));\n }\n\n // are we outside the curve (after t2)?\n if (y1 ? !y0 : y2) {\n // subtract the coverage for t2\n coverage.x -= saturate(C2.x + 0.5);\n // calculate the anti-aliasing for t2\n weight.x = min(weight.x, abs(C2.x));\n }\n}\n\n// this is essentially the same as coverageX, but with the axes swapped\nvoid coverageY(vec2 p0, vec2 p1, vec2 p2) {\n\n vec2 C1, C2;\n calulateCrossings(p0, p1, p2, C1, C2);\n\n bool x0 = p0.x > vTexCoord.x;\n bool x1 = p1.x > vTexCoord.x;\n bool x2 = p2.x > vTexCoord.x;\n\n if (x1 ? !x2 : x0) {\n coverage.y -= saturate(C1.y + 0.5);\n weight.y = min(weight.y, abs(C1.y));\n }\n\n if (x1 ? !x0 : x2) {\n coverage.y += saturate(C2.y + 0.5);\n weight.y = min(weight.y, abs(C2.y));\n }\n}\n\nvoid main() {\n\n // calculate the pixel scale based on screen-coordinates\n pixelScale = hardness / fwidth(vTexCoord);\n\n // which grid cell is this pixel in?\n ivec2 gridCoord = ifloor(vTexCoord * vec2(uGridSize));\n\n // intersect curves in this row\n {\n // the index into the row info bitmap\n int rowIndex = gridCoord.y + uGridOffset.y;\n // fetch the info texel\n vec4 rowInfo = getTexel(uSamplerRows, rowIndex, uGridImageSize);\n // unpack the rowInfo\n int rowStrokeIndex = getInt16(rowInfo.xy);\n int rowStrokeCount = getInt16(rowInfo.zw);\n\n for (int iRowStroke = INT(0); iRowStroke < N; iRowStroke++) {\n if (iRowStroke >= rowStrokeCount)\n break;\n\n // each stroke is made up of 3 points: the start and control point\n // and the start of the next curve.\n // fetch the indices of this pair of strokes:\n vec4 strokeIndices = getTexel(uSamplerRowStrokes, rowStrokeIndex++, uCellsImageSize);\n\n // unpack the stroke index\n int strokePos = getInt16(strokeIndices.xy);\n\n // fetch the two strokes\n vec4 stroke0 = getTexel(uSamplerStrokes, strokePos + INT(0), uStrokeImageSize);\n vec4 stroke1 = getTexel(uSamplerStrokes, strokePos + INT(1), uStrokeImageSize);\n\n // calculate the coverage\n coverageX(stroke0.xy, stroke0.zw, stroke1.xy);\n }\n }\n\n // intersect curves in this column\n {\n int colIndex = gridCoord.x + uGridOffset.x;\n vec4 colInfo = getTexel(uSamplerCols, colIndex, uGridImageSize);\n int colStrokeIndex = getInt16(colInfo.xy);\n int colStrokeCount = getInt16(colInfo.zw);\n \n for (int iColStroke = INT(0); iColStroke < N; iColStroke++) {\n if (iColStroke >= colStrokeCount)\n break;\n\n vec4 strokeIndices = getTexel(uSamplerColStrokes, colStrokeIndex++, uCellsImageSize);\n\n int strokePos = getInt16(strokeIndices.xy);\n vec4 stroke0 = getTexel(uSamplerStrokes, strokePos + INT(0), uStrokeImageSize);\n vec4 stroke1 = getTexel(uSamplerStrokes, strokePos + INT(1), uStrokeImageSize);\n coverageY(stroke0.xy, stroke0.zw, stroke1.xy);\n }\n }\n\n weight = saturate(1.0 - weight * 2.0);\n float distance = max(weight.x + weight.y, minDistance); // manhattan approx.\n float antialias = abs(dot(coverage, weight) / distance);\n float cover = min(abs(coverage.x), abs(coverage.y));\n OUT_COLOR = vec4(uMaterialColor.rgb, 1.) * uMaterialColor.a;\n OUT_COLOR *= saturate(max(antialias, cover));\n}\n",lineVert:T+"/*\n Part of the Processing project - http://processing.org\n Copyright (c) 2012-15 The Processing Foundation\n Copyright (c) 2004-12 Ben Fry and Casey Reas\n Copyright (c) 2001-04 Massachusetts Institute of Technology\n This library is free software; you can redistribute it and/or\n modify it under the terms of the GNU Lesser General Public\n License as published by the Free Software Foundation, version 2.1.\n This library is distributed in the hope that it will be useful,\n but WITHOUT ANY WARRANTY; without even the implied warranty of\n MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU\n Lesser General Public License for more details.\n You should have received a copy of the GNU Lesser General\n Public License along with this library; if not, write to the\n Free Software Foundation, Inc., 59 Temple Place, Suite 330,\n Boston, MA 02111-1307 USA\n*/\n\n#define PROCESSING_LINE_SHADER\n\nprecision mediump int;\n\nuniform mat4 uModelViewMatrix;\nuniform mat4 uProjectionMatrix;\nuniform float uStrokeWeight;\n\nuniform bool uUseLineColor;\nuniform vec4 uMaterialColor;\n\nuniform vec4 uViewport;\nuniform int uPerspective;\nuniform int uStrokeJoin;\n\nIN vec4 aPosition;\nIN vec3 aTangentIn;\nIN vec3 aTangentOut;\nIN float aSide;\nIN vec4 aVertexColor;\n\nOUT vec4 vColor;\nOUT vec2 vTangent;\nOUT vec2 vCenter;\nOUT vec2 vPosition;\nOUT float vMaxDist;\nOUT float vCap;\nOUT float vJoin;\n\nvec2 lineIntersection(vec2 aPoint, vec2 aDir, vec2 bPoint, vec2 bDir) {\n // Rotate and translate so a starts at the origin and goes out to the right\n bPoint -= aPoint;\n vec2 rotatedBFrom = vec2(\n bPoint.x*aDir.x + bPoint.y*aDir.y,\n bPoint.y*aDir.x - bPoint.x*aDir.y\n );\n vec2 bTo = bPoint + bDir;\n vec2 rotatedBTo = vec2(\n bTo.x*aDir.x + bTo.y*aDir.y,\n bTo.y*aDir.x - bTo.x*aDir.y\n );\n float intersectionDistance =\n rotatedBTo.x + (rotatedBFrom.x - rotatedBTo.x) * rotatedBTo.y /\n (rotatedBTo.y - rotatedBFrom.y);\n return aPoint + aDir * intersectionDistance;\n}\n\nvoid main() {\n // Caps have one of either the in or out tangent set to 0\n vCap = (aTangentIn == vec3(0.)) != (aTangentOut == (vec3(0.)))\n ? 1. : 0.;\n\n // Joins have two unique, defined tangents\n vJoin = (\n aTangentIn != vec3(0.) &&\n aTangentOut != vec3(0.) &&\n aTangentIn != aTangentOut\n ) ? 1. : 0.;\n\n vec4 posp = uModelViewMatrix * aPosition;\n vec4 posqIn = uModelViewMatrix * (aPosition + vec4(aTangentIn, 0));\n vec4 posqOut = uModelViewMatrix * (aPosition + vec4(aTangentOut, 0));\n\n float facingCamera = pow(\n // The word space tangent's z value is 0 if it's facing the camera\n abs(normalize(posqIn-posp).z),\n\n // Using pow() here to ramp `facingCamera` up from 0 to 1 really quickly\n // so most lines get scaled and don't get clipped\n 0.25\n );\n\n // Moving vertices slightly toward the camera\n // to avoid depth-fighting with the fill triangles.\n // This prevents popping effects due to half of\n // the line disappearing behind the geometry faces.\n \n float zOffset = mix(-0.00045, -1., facingCamera);\n posp.z -= zOffset;\n posqIn.z -= zOffset;\n posqOut.z -= zOffset;\n \n vec4 p = uProjectionMatrix * posp;\n vec4 qIn = uProjectionMatrix * posqIn;\n vec4 qOut = uProjectionMatrix * posqOut;\n vCenter = p.xy;\n\n // formula to convert from clip space (range -1..1) to screen space (range 0..[width or height])\n // screen_p = (p.xy/p.w + <1,1>) * 0.5 * uViewport.zw\n\n // prevent division by W by transforming the tangent formula (div by 0 causes\n // the line to disappear, see https://github.com/processing/processing/issues/5183)\n // t = screen_q - screen_p\n //\n // tangent is normalized and we don't care which aDirection it points to (+-)\n // t = +- normalize( screen_q - screen_p )\n // t = +- normalize( (q.xy/q.w+<1,1>)*0.5*uViewport.zw - (p.xy/p.w+<1,1>)*0.5*uViewport.zw )\n //\n // extract common factor, <1,1> - <1,1> cancels out\n // t = +- normalize( (q.xy/q.w - p.xy/p.w) * 0.5 * uViewport.zw )\n //\n // convert to common divisor\n // t = +- normalize( ((q.xy*p.w - p.xy*q.w) / (p.w*q.w)) * 0.5 * uViewport.zw )\n //\n // remove the common scalar divisor/factor, not needed due to normalize and +-\n // (keep uViewport - can't remove because it has different components for x and y\n // and corrects for aspect ratio, see https://github.com/processing/processing/issues/5181)\n // t = +- normalize( (q.xy*p.w - p.xy*q.w) * uViewport.zw )\n\n vec2 tangentIn = normalize((qIn.xy*p.w - p.xy*qIn.w) * uViewport.zw);\n vec2 tangentOut = normalize((qOut.xy*p.w - p.xy*qOut.w) * uViewport.zw);\n\n vec2 curPerspScale;\n if(uPerspective == 1) {\n // Perspective ---\n // convert from world to clip by multiplying with projection scaling factor\n // to get the right thickness (see https://github.com/processing/processing/issues/5182)\n\n // The y value of the projection matrix may be flipped if rendering to a Framebuffer.\n // Multiplying again by its sign here negates the flip to get just the scale.\n curPerspScale = (uProjectionMatrix * vec4(1, sign(uProjectionMatrix[1][1]), 0, 0)).xy;\n } else {\n // No Perspective ---\n // multiply by W (to cancel out division by W later in the pipeline) and\n // convert from screen to clip (derived from clip to screen above)\n curPerspScale = p.w / (0.5 * uViewport.zw);\n }\n\n vec2 offset;\n if (vJoin == 1.) {\n vTangent = normalize(tangentIn + tangentOut);\n vec2 normalIn = vec2(-tangentIn.y, tangentIn.x);\n vec2 normalOut = vec2(-tangentOut.y, tangentOut.x);\n float side = sign(aSide);\n float sideEnum = abs(aSide);\n\n // We generate vertices for joins on either side of the centerline, but\n // the \"elbow\" side is the only one needing a join. By not setting the\n // offset for the other side, all its vertices will end up in the same\n // spot and not render, effectively discarding it.\n if (sign(dot(tangentOut, vec2(-tangentIn.y, tangentIn.x))) != side) {\n // Side enums:\n // 1: the side going into the join\n // 2: the middle of the join\n // 3: the side going out of the join\n if (sideEnum == 2.) {\n // Calculate the position + tangent on either side of the join, and\n // find where the lines intersect to find the elbow of the join\n vec2 c = (posp.xy/posp.w + vec2(1.,1.)) * 0.5 * uViewport.zw;\n vec2 intersection = lineIntersection(\n c + (side * normalIn * uStrokeWeight / 2.),\n tangentIn,\n c + (side * normalOut * uStrokeWeight / 2.),\n tangentOut\n );\n offset = (intersection - c);\n\n // When lines are thick and the angle of the join approaches 180, the\n // elbow might be really far from the center. We'll apply a limit to\n // the magnitude to avoid lines going across the whole screen when this\n // happens.\n float mag = length(offset);\n float maxMag = 3. * uStrokeWeight;\n if (mag > maxMag) {\n offset *= maxMag / mag;\n }\n } else if (sideEnum == 1.) {\n offset = side * normalIn * uStrokeWeight / 2.;\n } else if (sideEnum == 3.) {\n offset = side * normalOut * uStrokeWeight / 2.;\n }\n }\n if (uStrokeJoin == STROKE_JOIN_BEVEL) {\n vec2 avgNormal = vec2(-vTangent.y, vTangent.x);\n vMaxDist = abs(dot(avgNormal, normalIn * uStrokeWeight / 2.));\n } else {\n vMaxDist = uStrokeWeight / 2.;\n }\n } else {\n vec2 tangent = aTangentIn == vec3(0.) ? tangentOut : tangentIn;\n vTangent = tangent;\n vec2 normal = vec2(-tangent.y, tangent.x);\n\n float normalOffset = sign(aSide);\n // Caps will have side values of -2 or 2 on the edge of the cap that\n // extends out from the line\n float tangentOffset = abs(aSide) - 1.;\n offset = (normal * normalOffset + tangent * tangentOffset) *\n uStrokeWeight * 0.5;\n vMaxDist = uStrokeWeight / 2.;\n }\n vPosition = vCenter + offset;\n\n gl_Position.xy = p.xy + offset.xy * curPerspScale;\n gl_Position.zw = p.zw;\n \n vColor = (uUseLineColor ? aVertexColor : uMaterialColor);\n}\n",lineFrag:T+"precision mediump int;\n\nuniform vec4 uMaterialColor;\nuniform int uStrokeCap;\nuniform int uStrokeJoin;\nuniform float uStrokeWeight;\n\nIN vec4 vColor;\nIN vec2 vTangent;\nIN vec2 vCenter;\nIN vec2 vPosition;\nIN float vMaxDist;\nIN float vCap;\nIN float vJoin;\n\nfloat distSquared(vec2 a, vec2 b) {\n vec2 aToB = b - a;\n return dot(aToB, aToB);\n}\n\nvoid main() {\n if (vCap > 0.) {\n if (\n uStrokeCap == STROKE_CAP_ROUND &&\n distSquared(vPosition, vCenter) > uStrokeWeight * uStrokeWeight * 0.25\n ) {\n discard;\n } else if (\n uStrokeCap == STROKE_CAP_SQUARE &&\n dot(vPosition - vCenter, vTangent) > 0.\n ) {\n discard;\n }\n // Use full area for PROJECT\n } else if (vJoin > 0.) {\n if (\n uStrokeJoin == STROKE_JOIN_ROUND &&\n distSquared(vPosition, vCenter) > uStrokeWeight * uStrokeWeight * 0.25\n ) {\n discard;\n } else if (uStrokeJoin == STROKE_JOIN_BEVEL) {\n vec2 normal = vec2(-vTangent.y, vTangent.x);\n if (abs(dot(vPosition - vCenter, normal)) > vMaxDist) {\n discard;\n }\n }\n // Use full area for MITER\n }\n OUT_COLOR = vec4(vColor.rgb, 1.) * vColor.a;\n}\n",pointVert:"IN vec3 aPosition;\nuniform float uPointSize;\nOUT float vStrokeWeight;\nuniform mat4 uModelViewMatrix;\nuniform mat4 uProjectionMatrix;\nvoid main() {\n\tvec4 positionVec4 = vec4(aPosition, 1.0);\n\tgl_Position = uProjectionMatrix * uModelViewMatrix * positionVec4;\n\tgl_PointSize = uPointSize;\n\tvStrokeWeight = uPointSize;\n}\n",pointFrag:"precision mediump int;\nuniform vec4 uMaterialColor;\nIN float vStrokeWeight;\n\nvoid main(){\n float mask = 0.0;\n\n // make a circular mask using the gl_PointCoord (goes from 0 - 1 on a point)\n // might be able to get a nicer edge on big strokeweights with smoothstep but slightly less performant\n\n mask = step(0.98, length(gl_PointCoord * 2.0 - 1.0));\n\n // if strokeWeight is 1 or less lets just draw a square\n // this prevents weird artifacting from carving circles when our points are really small\n // if strokeWeight is larger than 1, we just use it as is\n\n mask = mix(0.0, mask, clamp(floor(vStrokeWeight - 0.5),0.0,1.0));\n\n // throw away the borders of the mask\n // otherwise we get weird alpha blending issues\n\n if(mask > 0.98){\n discard;\n }\n\n OUT_COLOR = vec4(uMaterialColor.rgb, 1.) * uMaterialColor.a;\n}\n",imageLightVert:"precision highp float;\nattribute vec3 aPosition;\nattribute vec3 aNormal;\nattribute vec2 aTexCoord;\n\nvarying vec3 localPos;\nvarying vec3 vWorldNormal;\nvarying vec3 vWorldPosition;\nvarying vec2 vTexCoord;\n\nuniform mat4 uModelViewMatrix;\nuniform mat4 uProjectionMatrix;\nuniform mat3 uNormalMatrix;\n\nvoid main() {\n // Multiply the position by the matrix.\n vec4 viewModelPosition = uModelViewMatrix * vec4(aPosition, 1.0);\n gl_Position = uProjectionMatrix * viewModelPosition; \n \n // orient the normals and pass to the fragment shader\n vWorldNormal = uNormalMatrix * aNormal;\n \n // send the view position to the fragment shader\n vWorldPosition = (uModelViewMatrix * vec4(aPosition, 1.0)).xyz;\n \n localPos = vWorldPosition;\n vTexCoord = aTexCoord;\n}\n\n\n/*\nin the vertex shader we'll compute the world position and world oriented normal of the vertices and pass those to the fragment shader as varyings.\n*/\n",imageLightDiffusedFrag:"precision highp float;\nvarying vec3 localPos;\n\n// the HDR cubemap converted (can be from an equirectangular environment map.)\nuniform sampler2D environmentMap;\nvarying vec2 vTexCoord;\n\nconst float PI = 3.14159265359;\n\nvec2 nTOE( vec3 v ){\n // x = r sin(phi) cos(theta) \n // y = r cos(phi) \n // z = r sin(phi) sin(theta)\n float phi = acos( v.y );\n // if phi is 0, then there are no x, z components\n float theta = 0.0;\n // else \n theta = acos(v.x / sin(phi));\n float sinTheta = v.z / sin(phi);\n if (sinTheta < 0.0) {\n // Turn it into -theta, but in the 0-2PI range\n theta = 2.0 * PI - theta;\n }\n theta = theta / (2.0 * 3.14159);\n phi = phi / 3.14159 ;\n \n vec2 angles = vec2( phi, theta );\n return angles;\n}\n\nfloat random(vec2 p) {\n vec3 p3 = fract(vec3(p.xyx) * .1031);\n p3 += dot(p3, p3.yzx + 33.33);\n return fract((p3.x + p3.y) * p3.z);\n}\n\nvoid main()\n{ \t \n\t// the sample direction equals the hemisphere's orientation\n float phi = vTexCoord.x * 2.0 * PI;\n float theta = vTexCoord.y * PI;\n float x = sin(theta) * cos(phi);\n float y = sin(theta) * sin(phi);\n float z = cos(theta);\n vec3 normal = vec3( x, y, z);\n\n\t// Discretely sampling the hemisphere given the integral's\n // spherical coordinates translates to the following fragment code:\n\tvec3 irradiance = vec3(0.0); \n\tvec3 up\t= vec3(0.0, 1.0, 0.0);\n\tvec3 right = normalize(cross(up, normal));\n\tup = normalize(cross(normal, right));\n\n\t// We specify a fixed sampleDelta delta value to traverse\n // the hemisphere; decreasing or increasing the sample delta\n // will increase or decrease the accuracy respectively.\n\tconst float sampleDelta = 0.100;\n\tfloat nrSamples = 0.0;\n float randomOffset = random(gl_FragCoord.xy) * sampleDelta;\n\tfor(float rawPhi = 0.0; rawPhi < 2.0 * PI; rawPhi += sampleDelta)\n\t{\n float phi = rawPhi + randomOffset;\n for(float rawTheta = 0.0; rawTheta < ( 0.5 ) * PI; rawTheta += sampleDelta)\n {\n float theta = rawTheta + randomOffset;\n // spherical to cartesian (in tangent space) // tangent space to world // add each sample result to irradiance\n float x = sin(theta) * cos(phi);\n float y = sin(theta) * sin(phi);\n float z = cos(theta);\n vec3 tangentSample = vec3( x, y, z);\n \n vec3 sampleVec = tangentSample.x * right + tangentSample.y * up + tangentSample.z * normal;\n irradiance += (texture2D(environmentMap, nTOE(sampleVec)).xyz) * cos(theta) * sin(theta);\n nrSamples++;\n }\n\t}\n\t// divide by the total number of samples taken, giving us the average sampled irradiance.\n\tirradiance = PI * irradiance * (1.0 / float(nrSamples )) ;\n \n \n\tgl_FragColor = vec4(irradiance, 1.0);\n}",imageLightSpecularFrag:"precision highp float;\r\nvarying vec3 localPos;\r\nvarying vec2 vTexCoord;\r\n\r\n// our texture\r\nuniform sampler2D environmentMap;\r\nuniform float roughness;\r\n\r\nconst float PI = 3.14159265359;\r\n\r\nfloat VanDerCorput(int bits);\r\nvec2 HammersleyNoBitOps(int i, int N);\r\nvec3 ImportanceSampleGGX(vec2 Xi, vec3 N, float roughness);\r\n\r\n\r\nvec2 nTOE( vec3 v ){\r\n // x = r sin(phi) cos(theta) \r\n // y = r cos(phi) \r\n // z = r sin(phi) sin(theta)\r\n float phi = acos( v.y );\r\n // if phi is 0, then there are no x, z components\r\n float theta = 0.0;\r\n // else \r\n theta = acos(v.x / sin(phi));\r\n float sinTheta = v.z / sin(phi);\r\n if (sinTheta < 0.0) {\r\n // Turn it into -theta, but in the 0-2PI range\r\n theta = 2.0 * PI - theta;\r\n }\r\n theta = theta / (2.0 * 3.14159);\r\n phi = phi / 3.14159 ;\r\n \r\n vec2 angles = vec2( phi, theta );\r\n return angles;\r\n}\r\n\r\n\r\nvoid main(){\r\n const int SAMPLE_COUNT = 400; // 4096\r\n int lowRoughnessLimit = int(pow(2.0,(roughness+0.1)*20.0));\r\n float totalWeight = 0.0;\r\n vec3 prefilteredColor = vec3(0.0);\r\n float phi = vTexCoord.x * 2.0 * PI;\r\n float theta = vTexCoord.y * PI;\r\n float x = sin(theta) * cos(phi);\r\n float y = sin(theta) * sin(phi);\r\n float z = cos(theta);\r\n vec3 N = vec3(x,y,z);\r\n vec3 V = N;\r\n for (int i = 0; i < SAMPLE_COUNT; ++i)\r\n {\r\n // break at smaller sample numbers for low roughness levels\r\n if(i == lowRoughnessLimit)\r\n {\r\n break;\r\n }\r\n vec2 Xi = HammersleyNoBitOps(i, SAMPLE_COUNT);\r\n vec3 H = ImportanceSampleGGX(Xi, N, roughness);\r\n vec3 L = normalize(2.0 * dot(V, H) * H - V);\r\n\r\n float NdotL = max(dot(N, L), 0.0);\r\n if (NdotL > 0.0)\r\n {\r\n prefilteredColor += texture2D(environmentMap, nTOE(L)).xyz * NdotL;\r\n totalWeight += NdotL;\r\n }\r\n }\r\n prefilteredColor = prefilteredColor / totalWeight;\r\n\r\n gl_FragColor = vec4(prefilteredColor, 1.0);\r\n}\r\n\r\nvec3 ImportanceSampleGGX(vec2 Xi, vec3 N, float roughness){\r\n float a = roughness * roughness;\r\n\r\n float phi = 2.0 * PI * Xi.x;\r\n float cosTheta = sqrt((1.0 - Xi.y) / (1.0 + (a * a - 1.0) * Xi.y));\r\n float sinTheta = sqrt(1.0 - cosTheta * cosTheta);\r\n // from spherical coordinates to cartesian coordinates\r\n vec3 H;\r\n H.x = cos(phi) * sinTheta;\r\n H.y = sin(phi) * sinTheta;\r\n H.z = cosTheta;\r\n\r\n // from tangent-space vector to world-space sample vector\r\n vec3 up = abs(N.z) < 0.999 ? vec3(0.0, 0.0, 1.0) : vec3(1.0, 0.0, 0.0);\r\n vec3 tangent = normalize(cross(up, N));\r\n vec3 bitangent = cross(N, tangent);\r\n\r\n vec3 sampleVec = tangent * H.x + bitangent * H.y + N * H.z;\r\n return normalize(sampleVec);\r\n}\r\n\r\n\r\nfloat VanDerCorput(int n, int base)\r\n{\r\n#ifdef WEBGL2\r\n\r\n uint bits = uint(n);\r\n bits = (bits << 16u) | (bits >> 16u);\r\n bits = ((bits & 0x55555555u) << 1u) | ((bits & 0xAAAAAAAAu) >> 1u);\r\n bits = ((bits & 0x33333333u) << 2u) | ((bits & 0xCCCCCCCCu) >> 2u);\r\n bits = ((bits & 0x0F0F0F0Fu) << 4u) | ((bits & 0xF0F0F0F0u) >> 4u);\r\n bits = ((bits & 0x00FF00FFu) << 8u) | ((bits & 0xFF00FF00u) >> 8u);\r\n return float(bits) * 2.3283064365386963e-10; // / 0x100000000\r\n\r\n#else\r\n\r\n float invBase = 1.0 / float(base);\r\n float denom = 1.0;\r\n float result = 0.0;\r\n\r\n\r\n for (int i = 0; i < 32; ++i)\r\n {\r\n if (n > 0)\r\n {\r\n denom = mod(float(n), 2.0);\r\n result += denom * invBase;\r\n invBase = invBase / 2.0;\r\n n = int(float(n) / 2.0);\r\n }\r\n }\r\n\r\n\r\n return result;\r\n\r\n#endif\r\n}\r\n\r\nvec2 HammersleyNoBitOps(int i, int N)\r\n{\r\n return vec2(float(i) / float(N), VanDerCorput(i, 2));\r\n}\r\n"},M=E.sphereMappingFrag;for(x in E)E[x]="#ifdef WEBGL2\n\n#define IN in\n#define OUT out\n\n#ifdef FRAGMENT_SHADER\nout vec4 outColor;\n#define OUT_COLOR outColor\n#endif\n#define TEXTURE texture\n\n#else\n\n#ifdef FRAGMENT_SHADER\n#define IN varying\n#else\n#define IN attribute\n#endif\n#define OUT varying\n#define TEXTURE texture2D\n\n#ifdef FRAGMENT_SHADER\n#define OUT_COLOR gl_FragColor\n#endif\n\n#endif\n"+E[x];j(e={},l.GRAY,"precision highp float;\n\nvarying vec2 vTexCoord;\n\nuniform sampler2D tex0;\n\nfloat luma(vec3 color) {\n // weighted grayscale with luminance values\n return dot(color, vec3(0.2126, 0.7152, 0.0722));\n}\n\nvoid main() {\n vec4 tex = texture2D(tex0, vTexCoord);\n float gray = luma(tex.rgb);\n gl_FragColor = vec4(gray, gray, gray, tex.a);\n}\n"),j(e,l.ERODE,"// Reduces the bright areas in an image\n\nprecision highp float;\n\nvarying vec2 vTexCoord;\n\nuniform sampler2D tex0;\nuniform vec2 texelSize;\n\nfloat luma(vec3 color) {\n // weighted grayscale with luminance values\n // weights 77, 151, 28 taken from src/image/filters.js\n return dot(color, vec3(0.300781, 0.589844, 0.109375));\n}\n\nvoid main() {\n vec4 color = texture2D(tex0, vTexCoord);\n float lum = luma(color.rgb);\n\n // set current color as the darkest neighbor color\n\n vec4 neighbors[4];\n neighbors[0] = texture2D(tex0, vTexCoord + vec2( texelSize.x, 0.0));\n neighbors[1] = texture2D(tex0, vTexCoord + vec2(-texelSize.x, 0.0));\n neighbors[2] = texture2D(tex0, vTexCoord + vec2(0.0, texelSize.y));\n neighbors[3] = texture2D(tex0, vTexCoord + vec2(0.0, -texelSize.y));\n\n for (int i = 0; i < 4; i++) {\n vec4 neighborColor = neighbors[i];\n float neighborLum = luma(neighborColor.rgb);\n\n if (neighborLum < lum) {\n color = neighborColor;\n lum = neighborLum;\n }\n }\n\n gl_FragColor = color;\n}\n"),j(e,l.DILATE,"// Increase the bright areas in an image\n\nprecision highp float;\n\nvarying vec2 vTexCoord;\n\nuniform sampler2D tex0;\nuniform vec2 texelSize;\n\nfloat luma(vec3 color) {\n // weighted grayscale with luminance values\n // weights 77, 151, 28 taken from src/image/filters.js\n return dot(color, vec3(0.300781, 0.589844, 0.109375));\n}\n\nvoid main() {\n vec4 color = texture2D(tex0, vTexCoord);\n float lum = luma(color.rgb);\n\n // set current color as the brightest neighbor color\n\n vec4 neighbors[4];\n neighbors[0] = texture2D(tex0, vTexCoord + vec2( texelSize.x, 0.0));\n neighbors[1] = texture2D(tex0, vTexCoord + vec2(-texelSize.x, 0.0));\n neighbors[2] = texture2D(tex0, vTexCoord + vec2(0.0, texelSize.y));\n neighbors[3] = texture2D(tex0, vTexCoord + vec2(0.0, -texelSize.y));\n\n for (int i = 0; i < 4; i++) {\n vec4 neighborColor = neighbors[i];\n float neighborLum = luma(neighborColor.rgb);\n\n if (neighborLum > lum) {\n color = neighborColor;\n lum = neighborLum;\n }\n }\n\n gl_FragColor = color;\n}\n"),j(e,l.BLUR,"precision highp float;\n\n// Two-pass blur filter, unweighted kernel.\n// See also a similar blur at Adam Ferriss' repo of shader examples:\n// https://github.com/aferriss/p5jsShaderExamples/blob/gh-pages/4_image-effects/4-9_single-pass-blur/effect.frag\n\n\nuniform sampler2D tex0;\nvarying vec2 vTexCoord;\nuniform vec2 direction;\nuniform vec2 canvasSize;\nuniform float radius;\n\nfloat random(vec2 p) {\n vec3 p3 = fract(vec3(p.xyx) * .1031);\n p3 += dot(p3, p3.yzx + 33.33);\n return fract((p3.x + p3.y) * p3.z);\n}\n\n// This isn't a real Gaussian weight, it's a quadratic weight. It's what the\n// CPU mode's blur uses though, so we also use it here to match.\nfloat quadWeight(float x, float e) {\n return pow(e-abs(x), 2.);\n}\n\nvoid main(){\n vec2 uv = vTexCoord;\n\n // A reasonable maximum number of samples\n const float maxSamples = 64.0;\n\n float numSamples = floor(7. * radius);\n if (fract(numSamples / 2.) == 0.) {\n numSamples++;\n }\n vec4 avg = vec4(0.0);\n float total = 0.0;\n\n // Calculate the spacing to avoid skewing if numSamples > maxSamples\n float spacing = 1.0;\n if (numSamples > maxSamples) {\n spacing = numSamples / maxSamples;\n numSamples = maxSamples;\n }\n\n float randomOffset = (spacing - 1.0) * mix(-0.5, 0.5, random(gl_FragCoord.xy));\n for (float i = 0.0; i < maxSamples; i++) {\n if (i >= numSamples) break;\n\n float sample = i * spacing - (numSamples - 1.0) * 0.5 * spacing + randomOffset;\n vec2 sampleCoord = uv + vec2(sample, sample) / canvasSize * direction;\n float weight = quadWeight(sample, (numSamples - 1.0) * 0.5 * spacing);\n\n avg += weight * texture2D(tex0, sampleCoord);\n total += weight;\n }\n\n avg /= total;\n gl_FragColor = avg;\n}\n"),j(e,l.POSTERIZE,"// Limit color space for a stylized cartoon / poster effect\n\nprecision highp float;\n\nvarying vec2 vTexCoord;\n\nuniform sampler2D tex0;\nuniform float filterParameter;\n\nvec3 quantize(vec3 color, float n) {\n // restrict values to N options/bins\n // and floor each channel to nearest value\n //\n // eg. when N = 5, values = 0.0, 0.25, 0.50, 0.75, 1.0\n // then quantize (0.1, 0.7, 0.9) -> (0.0, 0.5, 1.0)\n\n color = color * n;\n color = floor(color);\n color = color / (n - 1.0);\n return color;\n}\n\nvoid main() {\n vec4 color = texture2D(tex0, vTexCoord);\n\n vec3 restrictedColor = quantize(color.rgb / color.a, filterParameter);\n\n gl_FragColor = vec4(restrictedColor.rgb * color.a, color.a);\n}\n"),j(e,l.OPAQUE,"// Set alpha channel to entirely opaque\n\nprecision highp float;\n\nvarying vec2 vTexCoord;\n\nuniform sampler2D tex0;\n\nvoid main() {\n vec4 color = texture2D(tex0, vTexCoord);\n gl_FragColor = vec4(color.rgb / color.a, 1.0);\n}\n"),j(e,l.INVERT,"// Set each pixel to inverse value\n// Note that original INVERT does not change the opacity, so this follows suit\n\nprecision highp float;\n\nvarying vec2 vTexCoord;\n\nuniform sampler2D tex0;\n\nvoid main() {\nvec4 color = texture2D(tex0, vTexCoord);\nvec3 origColor = color.rgb / color.a;\nvec3 invertedColor = vec3(1.0) - origColor;\ngl_FragColor = vec4(invertedColor * color.a, color.a);\n}\n"),j(e,l.THRESHOLD,"// Convert pixels to either white or black, \n// depending on if their luma is above or below filterParameter\n\nprecision highp float;\n\nvarying vec2 vTexCoord;\n\nuniform sampler2D tex0;\nuniform float filterParameter;\n\nfloat luma(vec3 color) {\n // weighted grayscale with luminance values\n return dot(color, vec3(0.2126, 0.7152, 0.0722));\n}\n\nvoid main() {\n vec4 color = texture2D(tex0, vTexCoord);\n float gray = luma(color.rgb / color.a);\n // floor() used to match src/image/filters.js\n float threshold = floor(filterParameter * 255.0) / 255.0;\n float blackOrWhite = step(threshold, gray);\n gl_FragColor = vec4(vec3(blackOrWhite) * color.a, color.a);\n}\n");var k=e;function O(e,t,r,o,n,s,i,a,l,u){var c=t.getParameter(t.FRAMEBUFFER_BINDING),r=(t.bindFramebuffer(t.FRAMEBUFFER,r),a===t.RGBA?4:3),d=s*i*r,h=l===t.UNSIGNED_BYTE?Uint8Array:Float32Array;if(e instanceof h&&e.length===d||(e=new h(d)),t.readPixels(o,u?u-n-i:n,s,i,a,l,e),t.bindFramebuffer(t.FRAMEBUFFER,c),u)for(var f=Math.floor(i/2),p=new h(s*r),m=0;m>7,127&d,c>>7,127&c);for(var h=0;h>7,127&f,0,0)}}return{cellImageInfo:a,dimOffset:t,dimImageInfo:n}}}}]),t}();B.default.RendererGL.prototype._renderText=function(e,t,r,o,n){if(this._textFont&&"string"!=typeof this._textFont){if(!(n<=o)&&this._doFill){if(this._isOpenType()){e.push();var n=this._doStroke,s=this.drawMode,i=(this._doStroke=!1,this.drawMode=E.TEXTURE,this._textFont.font),a=(a=this._textFont._fontInfo)||(this._textFont._fontInfo=new M(i)),r=this._textFont._handleAlignment(this,t,r,o),o=this._textSize/i.unitsPerEm,l=(this.translate(r.x,r.y,0),this.scale(o,o,1),this.GL),r=!this._defaultFontShader,u=this._getFontShader(),c=(u.init(),u.bindShader(),r&&(u.setUniform("uGridImageSize",[64,64]),u.setUniform("uCellsImageSize",[64,64]),u.setUniform("uStrokeImageSize",[64,64]),u.setUniform("uGridSize",[9,9])),this._applyColorBlend(this.curFillColor),this.retainedMode.geometry.glyph),d=(c||((o=this._textGeom=new B.default.Geometry(1,1,function(){for(var e=0;e<=1;e++)for(var t=0;t<=1;t++)this.vertices.push(new B.default.Vector(t,e,0)),this.uvs.push(t,e)})).computeFaces().computeNormals(),c=this.createBuffers("glyph",o)),!0),r=!1,o=void 0;try{for(var h,f=this.retainedMode.buffers.text[Symbol.iterator]();!(d=(h=f.next()).done);d=!0)h.value._prepareBuffer(c,u)}catch(e){r=!0,o=e}finally{try{d||null==f.return||f.return()}finally{if(r)throw o}}this._bindBuffer(c.indexBuffer,l.ELEMENT_ARRAY_BUFFER),u.setUniform("uMaterialColor",this.curFillColor),l.pixelStorei(l.UNPACK_PREMULTIPLY_ALPHA_WEBGL,!1);try{var p=0,m=null,y=i.stringToGlyphs(t),g=!0,v=!1,b=void 0;try{for(var j,_=y[Symbol.iterator]();!(g=(j=_.next()).done);g=!0){var x,w,S=j.value,T=(m&&(p+=i.getKerningValue(m,S)),a.getGlyphInfo(S));T.uGlyphRect&&(x=T.rowInfo,w=T.colInfo,u.setUniform("uSamplerStrokes",T.strokeImageInfo.imageData),u.setUniform("uSamplerRowStrokes",x.cellImageInfo.imageData),u.setUniform("uSamplerRows",x.dimImageInfo.imageData),u.setUniform("uSamplerColStrokes",w.cellImageInfo.imageData),u.setUniform("uSamplerCols",w.dimImageInfo.imageData),u.setUniform("uGridOffset",T.uGridOffset),u.setUniform("uGlyphRect",T.uGlyphRect),u.setUniform("uGlyphOffset",p),u.bindTextures(),l.drawElements(l.TRIANGLES,6,this.GL.UNSIGNED_SHORT,0)),p+=S.advanceWidth,m=S}}catch(e){v=!0,b=e}finally{try{g||null==_.return||_.return()}finally{if(v)throw b}}}finally{u.unbindShader(),this._doStroke=n,this.drawMode=s,l.pixelStorei(l.UNPACK_PREMULTIPLY_ALPHA_WEBGL,!0),e.pop()}}else console.log("WEBGL: only Opentype (.otf) and Truetype (.ttf) fonts are supported");return e}}else console.log("WEBGL: you must load and set a font before drawing text. See `loadFont` and `textFont` for more details.")}},{"../core/constants":272,"../core/main":283,"./p5.RendererGL.Retained":340,"./p5.Shader":342,"core-js/modules/es.array.iterator":165,"core-js/modules/es.object.get-own-property-descriptor":186,"core-js/modules/es.object.to-string":190,"core-js/modules/es.regexp.exec":195,"core-js/modules/es.string.iterator":200,"core-js/modules/es.string.split":206,"core-js/modules/es.string.sub":208,"core-js/modules/es.symbol":212,"core-js/modules/es.symbol.description":210,"core-js/modules/es.symbol.iterator":211,"core-js/modules/es.weak-map":244,"core-js/modules/web.dom-collections.iterator":246}]},{},[267])(267)}); \ No newline at end of file diff --git a/examples/svg-element/lib/p5.grain.min.js b/examples/svg-element/lib/p5.grain.min.js index 5f132fa..bdb8a1b 100644 --- a/examples/svg-element/lib/p5.grain.min.js +++ b/examples/svg-element/lib/p5.grain.min.js @@ -1,8 +1,8 @@ /**! * p5.grain * - * @version 0.7.0 + * @version 0.8.0 * @license MIT * @copyright meezwhite, Gorilla Sun */ -class P5Grain{version="0.7.0";instance;#t;#i;#n;constructor(){this.#t=Math.random,this.#i={frameCount:0},this.#n={frameCount:0,tX_anchor:0,tX:0,tY:0}}setup(t){void 0===t?this.#t=random:"object"==typeof t&&("function"==typeof t.random&&(this.#t=t.random),"object"==typeof t.instance&&(this.instance=t.instance))}granulateSimple(t,i,n){this.applyMonochromaticGrain(t,i,n)}applyMonochromaticGrain(t,i,n){const e=this.instance?this.instance.round(t):round(t),a=i||!1;n?n.loadPixels():this.instance?this.instance.loadPixels():loadPixels();const s=n?n.pixelDensity():this.instance?this.instance.pixelDensity():pixelDensity(),r=(n?n.width:this.instance?this.instance.width:width)*s*4*((n?n.height:this.instance?this.instance.height:height)*s),h=n?n.pixels:this.instance?this.instance.pixels:pixels;for(let t=0;t=n){const n=i&&i.amount?this.instance?this.instance.round(i.amount):round(i.amount):this.instance?this.instance.min(this.instance.width,this.instance.height):min(width,height),e=this.#t()*n,a=this.#t()*n,s=this.instance?this.instance.floor(e):floor(e),r=this.instance?this.instance.floor(a):floor(a),h=`${s}px ${r}px`;t instanceof HTMLElement?t.style.backgroundPosition=h:t instanceof SVGElement?(t.style.top=-r+"px",t.style.left=-s+"px"):t instanceof p5.Element&&t.style("background-position",h),this.#i.frameCount=0}}textureOverlay(t,i,n){const e=n instanceof p5.Graphics,a=e?n.width:this.instance?this.instance.width:width,s=e?n.height:this.instance?this.instance.height:height,r=i&&i.mode?i.mode:this.instance?this.instance.MULTIPLY:MULTIPLY,h=!(!i||!i.reflect)&&i.reflect,o=!(!i||!i.animate)&&i.animate,c=i&&i.animate&&i.animate.atFrame?this.instance?this.instance.round(i.animate.atFrame):round(i.animate.atFrame):2,l=i&&i.animate&&i.animate.amount?this.instance?this.instance.round(i.animate.amount):round(i.animate.amount):this.instance?this.instance.min(a,s):min(a,s),p=i&&"number"==typeof i.width?i.width:t.width,u=i&&"number"==typeof i.height?i.height:t.height;if(o&&(this.#n.frameCount+=1,this.#n.frameCount>=c)){const t=this.#t()*l,i=this.#t()*l;this.#n.tX_anchor=this.instance?-this.instance.floor(t):-floor(t),this.#n.tY=this.instance?-this.instance.floor(i):-floor(i),this.#n.frameCount=0}let m=this.#n.tX_anchor,d=this.#n.tY,x=!0,g=!0;for(n?n.blendMode(r):this.instance?this.instance.blendMode(r):blendMode(r);d=a){g=!0,m=this.#n.tX_anchor,d+=u;break}g=!g}x=!x}n?n.blendMode(this.instance?this.instance.BLEND:BLEND):this.instance?this.instance.blendMode(this.instance.BLEND):blendMode(BLEND),e&&n.reset()}#e(t,i){return t=Math.ceil(t),i=Math.floor(i),Math.floor(this.#t()*(i-t+1)+t)}}const p5grain=new P5Grain;p5.prototype.granulateSimple=function(t,i){return p5grain.granulateSimple(t,i)},p5.Graphics.prototype.granulateSimple=function(t,i){return p5grain.granulateSimple(t,i,this)},p5.prototype.granulateChannels=function(t,i){return p5grain.granulateChannels(t,i)},p5.Graphics.prototype.granulateChannels=function(t,i){return p5grain.granulateChannels(t,i,this)},p5.prototype.applyMonochromaticGrain=function(t,i){return p5grain.applyMonochromaticGrain(t,i)},p5.Graphics.prototype.applyMonochromaticGrain=function(t,i){return p5grain.applyMonochromaticGrain(t,i,this)},p5.prototype.applyChromaticGrain=function(t,i){return p5grain.applyChromaticGrain(t,i)},p5.Graphics.prototype.applyChromaticGrain=function(t,i){return p5grain.applyChromaticGrain(t,i,this)},p5.prototype.tinkerPixels=function(t,i){return p5grain.tinkerPixels(t,i)},p5.Graphics.prototype.tinkerPixels=function(t,i){return p5grain.tinkerPixels(t,i,this)},p5.prototype.loopPixels=function(t,i){return p5grain.loopPixels(t,i)},p5.Graphics.prototype.loopPixels=function(t,i){return p5grain.loopPixels(t,i,this)},p5.prototype.textureAnimate=function(t,i){return p5grain.textureAnimate(t,i)},p5.prototype.textureOverlay=function(t,i){return p5grain.textureOverlay(t,i)},p5.Graphics.prototype.textureOverlay=function(t,i){return p5grain.textureOverlay(t,i,this)}; +class P5Grain{version="0.8.0";instance;#t;#i;#e;#n;#a;constructor(){this.#s("float"),this.#n={frameCount:0},this.#a={frameCount:0,tX_anchor:0,tX:0,tY:0}}setup(t){"object"==typeof t&&("function"==typeof t.random&&(this.#t=t.random),"string"==typeof t.randomMode&&this.#s(t.randomMode),"object"==typeof t.instance&&(this.instance=t.instance)),void 0===this.#t&&(this.#t=p5.prototype.random)}applyMonochromaticGrain(t,i,e){const n=i||!1;let a,s,r,o;e?(e.loadPixels(),a=e.pixelDensity(),s=e.width,r=e.height,o=e.pixels):this.instance?(this.instance.loadPixels(),a=this.instance.pixelDensity(),s=this.instance.width,r=this.instance.height,o=this.instance.pixels):(loadPixels(),a=pixelDensity(),s=width,r=height,o=pixels);const h=s*a*4*(r*a),{min:p,max:c}=this.#r(-t,t);for(let t=0;t=e){const e=i&&i.amount?Math.round(i.amount):this.instance?Math.min(this.instance.width,this.instance.height):Math.min(width,height),n=this.#t()*e,a=this.#t()*e,s=Math.floor(n),r=Math.floor(a),o=`${s}px ${r}px`;t instanceof HTMLElement?t.style.backgroundPosition=o:t instanceof SVGElement?(t.style.top=-r+"px",t.style.left=-s+"px"):t instanceof p5.Element&&t.style("background-position",o),this.#n.frameCount=0}}textureOverlay(t,i,e){const n=e instanceof p5.Graphics;let a,s;n?(a=e.width,s=e.height):this.instance?(a=this.instance.width,s=this.instance.height):(a=width,s=height);const r=i&&i.mode?i.mode:this.instance?this.instance.MULTIPLY:MULTIPLY,o=!(!i||!i.reflect)&&i.reflect,h=!(!i||!i.animate)&&i.animate,p=i&&i.animate&&i.animate.atFrame?Math.round(i.animate.atFrame):2,c=i&&i.animate&&i.animate.amount?Math.round(i.animate.amount):Math.min(a,s),l=i&&"number"==typeof i.width?i.width:t.width,m=i&&"number"==typeof i.height?i.height:t.height;if(h&&(this.#a.frameCount+=1,this.#a.frameCount>=p)){const t=this.#t()*c,i=this.#t()*c;this.#a.tX_anchor=-Math.floor(t),this.#a.tY=-Math.floor(i),this.#a.frameCount=0}let d=this.#a.tX_anchor,u=this.#a.tY,x=!0,y=!0;for(e?e.blendMode(r):this.instance?this.instance.blendMode(r):blendMode(r);u=a){y=!0,d=this.#a.tX_anchor,u+=m;break}y=!y}x=!x}e?e.blendMode(this.instance?this.instance.BLEND:BLEND):this.instance?this.instance.blendMode(this.instance.BLEND):blendMode(BLEND),n&&e.reset()}#s(t){switch(t){case"int":this.#e=1,this.#i=this.#o;break;case"float":this.#e=0,this.#i=this.#h}}#r(t,i){return 1==this.#e?{min:Math.ceil(t),max:Math.floor(i)}:{min:t,max:i}}#o(t,i){return Math.floor(this.#t()*(i-t+1)+t)}#h(t,i){return this.#t()*(i-t)+t}}const p5grain=new P5Grain;p5.prototype.applyMonochromaticGrain=function(t,i){return p5grain.applyMonochromaticGrain(t,i)},p5.Graphics.prototype.applyMonochromaticGrain=function(t,i){return p5grain.applyMonochromaticGrain(t,i,this)},p5.Image.prototype.applyMonochromaticGrain=function(t,i){return p5grain.applyMonochromaticGrain(t,i,this)},p5.prototype.applyChromaticGrain=function(t,i){return p5grain.applyChromaticGrain(t,i)},p5.Graphics.prototype.applyChromaticGrain=function(t,i){return p5grain.applyChromaticGrain(t,i,this)},p5.Image.prototype.applyChromaticGrain=function(t,i){return p5grain.applyChromaticGrain(t,i,this)},p5.prototype.tinkerPixels=function(t,i){return p5grain.tinkerPixels(t,i)},p5.Graphics.prototype.tinkerPixels=function(t,i){return p5grain.tinkerPixels(t,i,this)},p5.Image.prototype.tinkerPixels=function(t,i){return p5grain.tinkerPixels(t,i,this)},p5.prototype.loopPixels=function(t,i){return p5grain.loopPixels(t,i)},p5.Graphics.prototype.loopPixels=function(t,i){return p5grain.loopPixels(t,i,this)},p5.Image.prototype.loopPixels=function(t,i){return p5grain.loopPixels(t,i,this)},p5.prototype.textureAnimate=function(t,i){return p5grain.textureAnimate(t,i)},p5.prototype.textureOverlay=function(t,i){return p5grain.textureOverlay(t,i)},p5.Graphics.prototype.textureOverlay=function(t,i){return p5grain.textureOverlay(t,i,this)}; 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                                                                      Grid Output

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e=this.canvas.id;JSON.stringify(this.ingredients.shapes)!==this.ingredients.pShapes&&(this.ingredients.pShapes=JSON.stringify(this.ingredients.shapes),this._accessibleOutputs.text&&this._updateTextOutput(e+"textOutput"),this._accessibleOutputs.grid&&this._updateGridOutput(e+"gridOutput"),this._accessibleOutputs.textLabel&&this._updateTextOutput(e+"textOutputLabel"),this._accessibleOutputs.gridLabel&&this._updateGridOutput(e+"gridOutputLabel"))},o.default.prototype._accsBackground=function(e){this.ingredients.pShapes=JSON.stringify(this.ingredients.shapes),this.ingredients.shapes={},this.ingredients.colors.backgroundRGBA!==e&&(this.ingredients.colors.backgroundRGBA=e,this.ingredients.colors.background=this._rgbColorName(e))},o.default.prototype._accsCanvasColors=function(e,t){"fill"===e?this.ingredients.colors.fillRGBA!==t&&(this.ingredients.colors.fillRGBA=t,this.ingredients.colors.fill=this._rgbColorName(t)):"stroke"===e&&this.ingredients.colors.strokeRGBA!==t&&(this.ingredients.colors.strokeRGBA=t,this.ingredients.colors.stroke=this._rgbColorName(t))},o.default.prototype._accsOutput=function(e,t){"ellipse"===e&&t[2]===t[3]?e="circle":"rectangle"===e&&t[2]===t[3]&&(e="square");var r,o,n={},s=!0,i=function(e,t){var r;e="rectangle"===e||"ellipse"===e||"arc"===e||"circle"===e||"square"===e?(r=Math.round(t[0]+t[2]/2),Math.round(t[1]+t[3]/2)):"triangle"===e?(r=(t[0]+t[2]+t[4])/3,(t[1]+t[3]+t[5])/3):"quadrilateral"===e?(r=(t[0]+t[2]+t[4]+t[6])/4,(t[1]+t[3]+t[5]+t[7])/4):"line"===e?(r=(t[0]+t[2])/2,(t[1]+t[3])/2):(r=t[0],t[1]);return[r,e]}(e,t);if("line"===e?(n.color=this.ingredients.colors.stroke,n.length=Math.round(this.dist(t[0],t[1],t[2],t[3])),r=this._getPos(t[0],[1]),o=this._getPos(t[2],[3]),n.loc=u(i,this.width,this.height),n.pos=r===o?"at ".concat(r):"from ".concat(r," to ").concat(o)):("point"===e?n.color=this.ingredients.colors.stroke:(n.color=this.ingredients.colors.fill,n.area=this._getArea(e,t)),n.pos=this._getPos.apply(this,l(i)),n.loc=u(i,this.width,this.height)),this.ingredients.shapes[e]){if(this.ingredients.shapes[e]!==[n]){for(var a in this.ingredients.shapes[e])JSON.stringify(this.ingredients.shapes[e][a])===JSON.stringify(n)&&(s=!1);!0===s&&this.ingredients.shapes[e].push(n)}}else this.ingredients.shapes[e]=[n]},o.default.prototype._getPos=function(e,t){var e=new DOMPointReadOnly(e,t),t=this._renderer.isP3D?new DOMMatrix(this._renderer.uMVMatrix.mat4):this.drawingContext.getTransform(),e=e.matrixTransform(t),t=e.x,e=e.y,r=this.width,o=this.height;return t<.4*r?e<.4*o?"top left":.6*oMath.PI?n+=o:n-=o)):"ellipse"===e||"circle"===e?n=3.14*t[2]/2*t[3]/2:"line"===e||"point"===e?n=0:"quadrilateral"===e?n=Math.abs((t[6]+t[0])*(t[7]-t[1])+(t[0]+t[2])*(t[1]-t[3])+(t[2]+t[4])*(t[3]-t[5])+(t[4]+t[6])*(t[5]-t[7]))/2:"rectangle"===e||"square"===e?n=t[2]*t[3]:"triangle"===e&&(n=Math.abs(t[0]*(t[3]-t[5])+t[2]*(t[5]-t[1])+t[4]*(t[1]-t[3]))/2),this.width*this._pixelDensity),i=this.height*this._pixelDensity,a=[new DOMPoint(0,0),new DOMPoint(s,0),new DOMPoint(s,i),new DOMPoint(0,i)],l=(this._renderer.isP3D?new 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                                                                      • ').concat(t[r][s].color," ").concat(r,"");"line"===r?i+=", ".concat(t[r][s].pos,", ").concat(t[r][s].length," pixels long.
                                                                        • "):(i+=", at ".concat(t[r][s].pos),"point"!==r&&(i+=", covering ".concat(t[r][s].area,"% of the canvas")),i+="."),o+=i,n++}return{numShapes:n,listShapes:o}}(e,this.ingredients.shapes)).numShapes,this.ingredients.colors.background,this.width,this.height),n=function(e,t){var r,o="",n=0;for(r in t)for(var s in t[r]){var i='').concat(t[r][s].color," ").concat(r,"");"line"===r?i+="location = ".concat(t[r][s].pos,"length = ").concat(t[r][s].length," pixels"):(i+="location = ".concat(t[r][s].pos,""),"point"!==r&&(i+=" area = ".concat(t[r][s].area,"%")),i+=""),o+=i,n++}return o}(e,this.ingredients.shapes),o!==t.summary.innerHTML&&(t.summary.innerHTML=o),r.listShapes!==t.list.innerHTML&&(t.list.innerHTML=r.listShapes),n!==t.shapeDetails.innerHTML&&(t.shapeDetails.innerHTML=n),this._accessibleOutputs[e]=t)};e=e.default;r.default=e},{"../core/main":275,"core-js/modules/es.array.concat":151}],259:[function(e,t,r){"use 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s;Object.prototype.hasOwnProperty.call(e,r)&&((s=n?Object.getOwnPropertyDescriptor(e,r):null)&&(s.get||s.set)?Object.defineProperty(o,r,s):o[r]=e[r])}o.default=e,t&&t.set(e,o);return o}(e("../core/constants"));function a(){var e;return"function"!=typeof WeakMap?null:(e=new WeakMap,a=function(){return e},e)}e("./p5.Color"),e("../core/friendly_errors/validate_params"),e("../core/friendly_errors/file_errors"),e("../core/friendly_errors/fes_core"),l.default.prototype.alpha=function(e){return l.default._validateParameters("alpha",arguments),this.color(e)._getAlpha()},l.default.prototype.blue=function(e){return l.default._validateParameters("blue",arguments),this.color(e)._getBlue()},l.default.prototype.brightness=function(e){return l.default._validateParameters("brightness",arguments),this.color(e)._getBrightness()},l.default.prototype.color=function(){var e;return l.default._validateParameters("color",arguments),arguments[0]instanceof l.default.Color?arguments[0]:(e=arguments[0]instanceof 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curve (after t1)?\n if (y1 ? !y2 : y0) {\n // add the coverage for t1\n coverage.x += saturate(C1.x + 0.5);\n // calculate the anti-aliasing for t1\n weight.x = min(weight.x, abs(C1.x));\n }\n\n // are we outside the curve (after t2)?\n if (y1 ? !y0 : y2) {\n // subtract the coverage for t2\n coverage.x -= saturate(C2.x + 0.5);\n // calculate the anti-aliasing for t2\n weight.x = min(weight.x, abs(C2.x));\n }\n}\n\n// this is essentially the same as coverageX, but with the axes swapped\nvoid coverageY(vec2 p0, vec2 p1, vec2 p2) {\n\n vec2 C1, C2;\n calulateCrossings(p0, p1, p2, C1, C2);\n\n bool x0 = p0.x > vTexCoord.x;\n bool x1 = p1.x > vTexCoord.x;\n bool x2 = p2.x > vTexCoord.x;\n\n if (x1 ? !x2 : x0) {\n coverage.y -= saturate(C1.y + 0.5);\n weight.y = min(weight.y, abs(C1.y));\n }\n\n if (x1 ? !x0 : x2) {\n coverage.y += saturate(C2.y + 0.5);\n weight.y = min(weight.y, abs(C2.y));\n }\n}\n\nvoid main() {\n\n // calculate the pixel scale based on screen-coordinates\n pixelScale = hardness / fwidth(vTexCoord);\n\n // which grid cell is this pixel in?\n ivec2 gridCoord = ifloor(vTexCoord * vec2(uGridSize));\n\n // intersect curves in this row\n {\n // the index into the row info bitmap\n int rowIndex = gridCoord.y + uGridOffset.y;\n // fetch the info texel\n vec4 rowInfo = getTexel(uSamplerRows, rowIndex, uGridImageSize);\n // unpack the rowInfo\n int rowStrokeIndex = getInt16(rowInfo.xy);\n int rowStrokeCount = getInt16(rowInfo.zw);\n\n for (int iRowStroke = INT(0); iRowStroke < N; iRowStroke++) {\n if (iRowStroke >= rowStrokeCount)\n break;\n\n // each stroke is made up of 3 points: the start and control point\n // and the start of the next curve.\n // fetch the indices of this pair of strokes:\n vec4 strokeIndices = getTexel(uSamplerRowStrokes, rowStrokeIndex++, uCellsImageSize);\n\n // unpack the stroke index\n int strokePos = getInt16(strokeIndices.xy);\n\n // fetch the two strokes\n vec4 stroke0 = getTexel(uSamplerStrokes, strokePos + INT(0), uStrokeImageSize);\n vec4 stroke1 = getTexel(uSamplerStrokes, strokePos + INT(1), uStrokeImageSize);\n\n // calculate the coverage\n coverageX(stroke0.xy, stroke0.zw, stroke1.xy);\n }\n }\n\n // intersect curves in this column\n {\n int colIndex = gridCoord.x + uGridOffset.x;\n vec4 colInfo = getTexel(uSamplerCols, colIndex, uGridImageSize);\n int colStrokeIndex = getInt16(colInfo.xy);\n int colStrokeCount = getInt16(colInfo.zw);\n \n for (int iColStroke = INT(0); iColStroke < N; iColStroke++) {\n if (iColStroke >= colStrokeCount)\n break;\n\n vec4 strokeIndices = getTexel(uSamplerColStrokes, colStrokeIndex++, uCellsImageSize);\n\n int strokePos = getInt16(strokeIndices.xy);\n vec4 stroke0 = getTexel(uSamplerStrokes, strokePos + INT(0), uStrokeImageSize);\n vec4 stroke1 = getTexel(uSamplerStrokes, strokePos + INT(1), uStrokeImageSize);\n coverageY(stroke0.xy, stroke0.zw, stroke1.xy);\n }\n }\n\n weight = saturate(1.0 - weight * 2.0);\n float distance = max(weight.x + weight.y, minDistance); // manhattan approx.\n float antialias = abs(dot(coverage, weight) / distance);\n float cover = min(abs(coverage.x), abs(coverage.y));\n OUT_COLOR = vec4(uMaterialColor.rgb, 1.) * uMaterialColor.a;\n OUT_COLOR *= saturate(max(antialias, cover));\n}\n",lineVert:T+"/*\n Part of the Processing project - http://processing.org\n Copyright (c) 2012-15 The Processing Foundation\n Copyright (c) 2004-12 Ben Fry and Casey Reas\n Copyright (c) 2001-04 Massachusetts Institute of Technology\n This library is free software; you can redistribute it and/or\n modify it under the terms of the GNU Lesser General Public\n License as published by the Free Software Foundation, version 2.1.\n This library is distributed in the hope that it will be useful,\n but WITHOUT ANY WARRANTY; without even the implied warranty of\n MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU\n Lesser General Public License for more details.\n You should have received a copy of the GNU Lesser General\n Public License along with this library; if not, write to the\n Free Software Foundation, Inc., 59 Temple Place, Suite 330,\n Boston, MA 02111-1307 USA\n*/\n\n#define PROCESSING_LINE_SHADER\n\nprecision mediump int;\n\nuniform mat4 uModelViewMatrix;\nuniform mat4 uProjectionMatrix;\nuniform float uStrokeWeight;\n\nuniform bool uUseLineColor;\nuniform vec4 uMaterialColor;\n\nuniform vec4 uViewport;\nuniform int uPerspective;\nuniform int uStrokeJoin;\n\nIN vec4 aPosition;\nIN vec3 aTangentIn;\nIN vec3 aTangentOut;\nIN float aSide;\nIN vec4 aVertexColor;\n\nOUT vec4 vColor;\nOUT vec2 vTangent;\nOUT vec2 vCenter;\nOUT vec2 vPosition;\nOUT float vMaxDist;\nOUT float vCap;\nOUT float vJoin;\n\nvec2 lineIntersection(vec2 aPoint, vec2 aDir, vec2 bPoint, vec2 bDir) {\n // Rotate and translate so a starts at the origin and goes out to the right\n bPoint -= aPoint;\n vec2 rotatedBFrom = vec2(\n bPoint.x*aDir.x + bPoint.y*aDir.y,\n bPoint.y*aDir.x - bPoint.x*aDir.y\n );\n vec2 bTo = bPoint + bDir;\n vec2 rotatedBTo = vec2(\n bTo.x*aDir.x + bTo.y*aDir.y,\n bTo.y*aDir.x - bTo.x*aDir.y\n );\n float intersectionDistance =\n rotatedBTo.x + (rotatedBFrom.x - rotatedBTo.x) * rotatedBTo.y /\n (rotatedBTo.y - rotatedBFrom.y);\n return aPoint + aDir * intersectionDistance;\n}\n\nvoid main() {\n // Caps have one of either the in or out tangent set to 0\n vCap = (aTangentIn == vec3(0.)) != (aTangentOut == (vec3(0.)))\n ? 1. : 0.;\n\n // Joins have two unique, defined tangents\n vJoin = (\n aTangentIn != vec3(0.) &&\n aTangentOut != vec3(0.) &&\n aTangentIn != aTangentOut\n ) ? 1. : 0.;\n\n vec4 posp = uModelViewMatrix * aPosition;\n vec4 posqIn = uModelViewMatrix * (aPosition + vec4(aTangentIn, 0));\n vec4 posqOut = uModelViewMatrix * (aPosition + vec4(aTangentOut, 0));\n\n float facingCamera = pow(\n // The word space tangent's z value is 0 if it's facing the camera\n abs(normalize(posqIn-posp).z),\n\n // Using pow() here to ramp `facingCamera` up from 0 to 1 really quickly\n // so most lines get scaled and don't get clipped\n 0.25\n );\n\n // using a scale <1 moves the lines towards the camera\n // in order to prevent popping effects due to half of\n // the line disappearing behind the geometry faces.\n float scale = mix(1., 0.995, facingCamera);\n\n // Moving vertices slightly toward the camera\n // to avoid depth-fighting with the fill triangles.\n // Discussed here:\n // http://www.opengl.org/discussion_boards/ubbthreads.php?ubb=showflat&Number=252848 \n posp.xyz = posp.xyz * scale;\n posqIn.xyz = posqIn.xyz * scale;\n posqOut.xyz = posqOut.xyz * scale;\n\n vec4 p = uProjectionMatrix * posp;\n vec4 qIn = uProjectionMatrix * posqIn;\n vec4 qOut = uProjectionMatrix * posqOut;\n vCenter = p.xy;\n\n // formula to convert from clip space (range -1..1) to screen space (range 0..[width or height])\n // screen_p = (p.xy/p.w + <1,1>) * 0.5 * uViewport.zw\n\n // prevent division by W by transforming the tangent formula (div by 0 causes\n // the line to disappear, see https://github.com/processing/processing/issues/5183)\n // t = screen_q - screen_p\n //\n // tangent is normalized and we don't care which aDirection it points to (+-)\n // t = +- normalize( screen_q - screen_p )\n // t = +- normalize( (q.xy/q.w+<1,1>)*0.5*uViewport.zw - (p.xy/p.w+<1,1>)*0.5*uViewport.zw )\n //\n // extract common factor, <1,1> - <1,1> cancels out\n // t = +- normalize( (q.xy/q.w - p.xy/p.w) * 0.5 * uViewport.zw )\n //\n // convert to common divisor\n // t = +- normalize( ((q.xy*p.w - p.xy*q.w) / (p.w*q.w)) * 0.5 * uViewport.zw )\n //\n // remove the common scalar divisor/factor, not needed due to normalize and +-\n // (keep uViewport - can't remove because it has different components for x and y\n // and corrects for aspect ratio, see https://github.com/processing/processing/issues/5181)\n // t = +- normalize( (q.xy*p.w - p.xy*q.w) * uViewport.zw )\n\n vec2 tangentIn = normalize((qIn.xy*p.w - p.xy*qIn.w) * uViewport.zw);\n vec2 tangentOut = normalize((qOut.xy*p.w - p.xy*qOut.w) * uViewport.zw);\n\n vec2 curPerspScale;\n if(uPerspective == 1) {\n // Perspective ---\n // convert from world to clip by multiplying with projection scaling factor\n // to get the right thickness (see https://github.com/processing/processing/issues/5182)\n\n // The y value of the projection matrix may be flipped if rendering to a Framebuffer.\n // Multiplying again by its sign here negates the flip to get just the scale.\n curPerspScale = (uProjectionMatrix * vec4(1, sign(uProjectionMatrix[1][1]), 0, 0)).xy;\n } else {\n // No Perspective ---\n // multiply by W (to cancel out division by W later in the pipeline) and\n // convert from screen to clip (derived from clip to screen above)\n curPerspScale = p.w / (0.5 * uViewport.zw);\n }\n\n vec2 offset;\n if (vJoin == 1.) {\n vTangent = normalize(tangentIn + tangentOut);\n vec2 normalIn = vec2(-tangentIn.y, tangentIn.x);\n vec2 normalOut = vec2(-tangentOut.y, tangentOut.x);\n float side = sign(aSide);\n float sideEnum = abs(aSide);\n\n // We generate vertices for joins on either side of the centerline, but\n // the \"elbow\" side is the only one needing a join. By not setting the\n // offset for the other side, all its vertices will end up in the same\n // spot and not render, effectively discarding it.\n if (sign(dot(tangentOut, vec2(-tangentIn.y, tangentIn.x))) != side) {\n // Side enums:\n // 1: the side going into the join\n // 2: the middle of the join\n // 3: the side going out of the join\n if (sideEnum == 2.) {\n // Calculate the position + tangent on either side of the join, and\n // find where the lines intersect to find the elbow of the join\n vec2 c = (posp.xy/posp.w + vec2(1.,1.)) * 0.5 * uViewport.zw;\n vec2 intersection = lineIntersection(\n c + (side * normalIn * uStrokeWeight / 2.),\n tangentIn,\n c + (side * normalOut * uStrokeWeight / 2.),\n tangentOut\n );\n offset = (intersection - c);\n\n // When lines are thick and the angle of the join approaches 180, the\n // elbow might be really far from the center. We'll apply a limit to\n // the magnitude to avoid lines going across the whole screen when this\n // happens.\n float mag = length(offset);\n float maxMag = 3. * uStrokeWeight;\n if (mag > maxMag) {\n offset *= maxMag / mag;\n }\n } else if (sideEnum == 1.) {\n offset = side * normalIn * uStrokeWeight / 2.;\n } else if (sideEnum == 3.) {\n offset = side * normalOut * uStrokeWeight / 2.;\n }\n }\n if (uStrokeJoin == STROKE_JOIN_BEVEL) {\n vec2 avgNormal = vec2(-vTangent.y, vTangent.x);\n vMaxDist = abs(dot(avgNormal, normalIn * uStrokeWeight / 2.));\n } else {\n vMaxDist = uStrokeWeight / 2.;\n }\n } else {\n vec2 tangent = aTangentIn == vec3(0.) ? tangentOut : tangentIn;\n vTangent = tangent;\n vec2 normal = vec2(-tangent.y, tangent.x);\n\n float normalOffset = sign(aSide);\n // Caps will have side values of -2 or 2 on the edge of the cap that\n // extends out from the line\n float tangentOffset = abs(aSide) - 1.;\n offset = (normal * normalOffset + tangent * tangentOffset) *\n uStrokeWeight * 0.5;\n vMaxDist = uStrokeWeight / 2.;\n }\n vPosition = vCenter + offset;\n\n gl_Position.xy = p.xy + offset.xy * curPerspScale;\n gl_Position.zw = p.zw;\n \n vColor = (uUseLineColor ? aVertexColor : uMaterialColor);\n}\n",lineFrag:T+"precision mediump int;\n\nuniform vec4 uMaterialColor;\nuniform int uStrokeCap;\nuniform int uStrokeJoin;\nuniform float uStrokeWeight;\n\nIN vec4 vColor;\nIN vec2 vTangent;\nIN vec2 vCenter;\nIN vec2 vPosition;\nIN float vMaxDist;\nIN float vCap;\nIN float vJoin;\n\nfloat distSquared(vec2 a, vec2 b) {\n vec2 aToB = b - a;\n return dot(aToB, aToB);\n}\n\nvoid main() {\n if (vCap > 0.) {\n if (\n uStrokeCap == STROKE_CAP_ROUND &&\n distSquared(vPosition, vCenter) > uStrokeWeight * uStrokeWeight * 0.25\n ) {\n discard;\n } else if (\n uStrokeCap == STROKE_CAP_SQUARE &&\n dot(vPosition - vCenter, vTangent) > 0.\n ) {\n discard;\n }\n // Use full area for PROJECT\n } else if (vJoin > 0.) {\n if (\n uStrokeJoin == STROKE_JOIN_ROUND &&\n distSquared(vPosition, vCenter) > uStrokeWeight * uStrokeWeight * 0.25\n ) {\n discard;\n } else if (uStrokeJoin == STROKE_JOIN_BEVEL) {\n vec2 normal = vec2(-vTangent.y, vTangent.x);\n if (abs(dot(vPosition - vCenter, normal)) > vMaxDist) {\n discard;\n }\n }\n // Use full area for MITER\n }\n OUT_COLOR = vec4(vColor.rgb, 1.) * vColor.a;\n}\n",pointVert:"IN vec3 aPosition;\nuniform float uPointSize;\nOUT float vStrokeWeight;\nuniform mat4 uModelViewMatrix;\nuniform mat4 uProjectionMatrix;\nvoid main() {\n\tvec4 positionVec4 = vec4(aPosition, 1.0);\n\tgl_Position = uProjectionMatrix * uModelViewMatrix * positionVec4;\n\tgl_PointSize = uPointSize;\n\tvStrokeWeight = uPointSize;\n}\n",pointFrag:"precision mediump int;\nuniform vec4 uMaterialColor;\nIN float vStrokeWeight;\n\nvoid main(){\n float mask = 0.0;\n\n // make a circular mask using the gl_PointCoord (goes from 0 - 1 on a point)\n // might be able to get a nicer edge on big strokeweights with smoothstep but slightly less performant\n\n mask = step(0.98, length(gl_PointCoord * 2.0 - 1.0));\n\n // if strokeWeight is 1 or less lets just draw a square\n // this prevents weird artifacting from carving circles when our points are really small\n // if strokeWeight is larger than 1, we just use it as is\n\n mask = mix(0.0, mask, clamp(floor(vStrokeWeight - 0.5),0.0,1.0));\n\n // throw away the borders of the mask\n // otherwise we get weird alpha blending issues\n\n if(mask > 0.98){\n discard;\n }\n\n OUT_COLOR = vec4(uMaterialColor.rgb, 1.) * uMaterialColor.a;\n}\n",imageLightVert:"precision highp float;\nattribute vec3 aPosition;\nattribute vec3 aNormal;\nattribute vec2 aTexCoord;\n\nvarying vec3 localPos;\nvarying vec3 vWorldNormal;\nvarying vec3 vWorldPosition;\nvarying vec2 vTexCoord;\n\nuniform mat4 uModelViewMatrix;\nuniform mat4 uProjectionMatrix;\nuniform mat3 uNormalMatrix;\n\nvoid main() {\n // Multiply the position by the matrix.\n vec4 viewModelPosition = uModelViewMatrix * vec4(aPosition, 1.0);\n gl_Position = uProjectionMatrix * viewModelPosition; \n \n // orient the normals and pass to the fragment shader\n vWorldNormal = uNormalMatrix * aNormal;\n \n // send the view position to the fragment shader\n vWorldPosition = (uModelViewMatrix * vec4(aPosition, 1.0)).xyz;\n \n localPos = vWorldPosition;\n vTexCoord = aTexCoord;\n}\n\n\n/*\nin the vertex shader we'll compute the world position and world oriented normal of the vertices and pass those to the fragment shader as varyings.\n*/\n",imageLightDiffusedFrag:"precision highp float;\nvarying vec3 localPos;\n\n// the HDR cubemap converted (can be from an equirectangular environment map.)\nuniform sampler2D environmentMap;\nvarying vec2 vTexCoord;\n\nconst float PI = 3.14159265359;\n\nvec2 nTOE( vec3 v ){\n // x = r sin(phi) cos(theta) \n // y = r cos(phi) \n // z = r sin(phi) sin(theta)\n float phi = acos( v.y );\n // if phi is 0, then there are no x, z components\n float theta = 0.0;\n // else \n theta = acos(v.x / sin(phi));\n float sinTheta = v.z / sin(phi);\n if (sinTheta < 0.0) {\n // Turn it into -theta, but in the 0-2PI range\n theta = 2.0 * PI - theta;\n }\n theta = theta / (2.0 * 3.14159);\n phi = phi / 3.14159 ;\n \n vec2 angles = vec2( phi, theta );\n return angles;\n}\n\nvoid main()\n{ \t \n\t// the sample direction equals the hemisphere's orientation\n float phi = vTexCoord.x * 2.0 * PI;\n float theta = vTexCoord.y * PI;\n float x = sin(theta) * cos(phi);\n float y = sin(theta) * sin(phi);\n float z = cos(theta);\n vec3 normal = vec3( x, y, z);\n\n\t// Discretely sampling the hemisphere given the integral's\n // spherical coordinates translates to the following fragment code:\n\tvec3 irradiance = vec3(0.0); \n\tvec3 up\t= vec3(0.0, 1.0, 0.0);\n\tvec3 right = normalize(cross(up, normal));\n\tup = normalize(cross(normal, right));\n\n\t// We specify a fixed sampleDelta delta value to traverse\n // the hemisphere; decreasing or increasing the sample delta\n // will increase or decrease the accuracy respectively.\n\tconst float sampleDelta = 0.025;\n\tfloat nrSamples = 0.0;\n \n\tfor(float phi = 0.0; phi < 2.0 * PI; phi += sampleDelta)\n\t{\n for(float theta = 0.0; theta < ( 0.5 ) * PI; theta += sampleDelta)\n {\n // spherical to cartesian (in tangent space) // tangent space to world // add each sample result to irradiance\n float x = sin(theta) * cos(phi);\n float y = sin(theta) * sin(phi);\n float z = cos(theta);\n vec3 tangentSample = vec3( x, y, z);\n \n vec3 sampleVec = tangentSample.x * right + tangentSample.y * up + tangentSample.z * normal;\n irradiance += (texture2D(environmentMap, nTOE(sampleVec)).xyz) * cos(theta) * sin(theta);\n nrSamples++;\n }\n\t}\n\t// divide by the total number of samples taken, giving us the average sampled irradiance.\n\tirradiance = PI * irradiance * (1.0 / float(nrSamples )) ;\n \n \n\tgl_FragColor = vec4(irradiance, 1.0);\n}",imageLightSpecularFrag:"precision highp float;\r\nvarying vec3 localPos;\r\nvarying vec2 vTexCoord;\r\n\r\n// our texture\r\nuniform sampler2D environmentMap;\r\nuniform float roughness;\r\n\r\nconst float PI = 3.14159265359;\r\n\r\nfloat VanDerCorput(int bits);\r\nvec2 HammersleyNoBitOps(int i, int N);\r\nvec3 ImportanceSampleGGX(vec2 Xi, vec3 N, float roughness);\r\n\r\n\r\nvec2 nTOE( vec3 v ){\r\n // x = r sin(phi) cos(theta) \r\n // y = r cos(phi) \r\n // z = r sin(phi) sin(theta)\r\n float phi = acos( v.y );\r\n // if phi is 0, then there are no x, z components\r\n float theta = 0.0;\r\n // else \r\n theta = acos(v.x / sin(phi));\r\n float sinTheta = v.z / sin(phi);\r\n if (sinTheta < 0.0) {\r\n // Turn it into -theta, but in the 0-2PI range\r\n theta = 2.0 * PI - theta;\r\n }\r\n theta = theta / (2.0 * 3.14159);\r\n phi = phi / 3.14159 ;\r\n \r\n vec2 angles = vec2( phi, theta );\r\n return angles;\r\n}\r\n\r\n\r\nvoid main(){\r\n const int SAMPLE_COUNT = 1024; // 4096\r\n float totalWeight = 0.0;\r\n vec3 prefilteredColor = vec3(0.0);\r\n float phi = vTexCoord.x * 2.0 * PI;\r\n float theta = vTexCoord.y * PI;\r\n float x = sin(theta) * cos(phi);\r\n float y = sin(theta) * sin(phi);\r\n float z = cos(theta);\r\n vec3 N = vec3(x,y,z);\r\n vec3 V = N;\r\n for (int i = 0; i < SAMPLE_COUNT; ++i)\r\n {\r\n vec2 Xi = HammersleyNoBitOps(i, SAMPLE_COUNT);\r\n vec3 H = ImportanceSampleGGX(Xi, N, roughness);\r\n vec3 L = normalize(2.0 * dot(V, H) * H - V);\r\n\r\n float NdotL = max(dot(N, L), 0.0);\r\n if (NdotL > 0.0)\r\n {\r\n prefilteredColor += texture2D(environmentMap, nTOE(L)).xyz * NdotL;\r\n totalWeight += NdotL;\r\n }\r\n }\r\n prefilteredColor = prefilteredColor / totalWeight;\r\n\r\n gl_FragColor = vec4(prefilteredColor, 1.0);\r\n}\r\n\r\nvec3 ImportanceSampleGGX(vec2 Xi, vec3 N, float roughness){\r\n float a = roughness * roughness;\r\n\r\n float phi = 2.0 * PI * Xi.x;\r\n float cosTheta = sqrt((1.0 - Xi.y) / (1.0 + (a * a - 1.0) * Xi.y));\r\n float sinTheta = sqrt(1.0 - cosTheta * cosTheta);\r\n // from spherical coordinates to cartesian coordinates\r\n vec3 H;\r\n H.x = cos(phi) * sinTheta;\r\n H.y = sin(phi) * sinTheta;\r\n H.z = cosTheta;\r\n\r\n // from tangent-space vector to world-space sample vector\r\n vec3 up = abs(N.z) < 0.999 ? vec3(0.0, 0.0, 1.0) : vec3(1.0, 0.0, 0.0);\r\n vec3 tangent = normalize(cross(up, N));\r\n vec3 bitangent = cross(N, tangent);\r\n\r\n vec3 sampleVec = tangent * H.x + bitangent * H.y + N * H.z;\r\n return normalize(sampleVec);\r\n}\r\n\r\n\r\nfloat VanDerCorput(int n, int base)\r\n{\r\n float invBase = 1.0 / float(base);\r\n float denom = 1.0;\r\n float result = 0.0;\r\n\r\n for (int i = 0; i < 32; ++i)\r\n {\r\n\tif (n > 0)\r\n\t{\r\n \tdenom = mod(float(n), 2.0);\r\n \tresult += denom * invBase;\r\n \tinvBase = invBase / 2.0;\r\n \tn = int(float(n) / 2.0);\r\n\t}\r\n }\r\n\r\n return result;\r\n}\r\n\r\nvec2 HammersleyNoBitOps(int i, int N)\r\n{\r\n return vec2(float(i) / float(N), VanDerCorput(i, 2));\r\n}\r\n"};for(x in M)M[x]="#ifdef WEBGL2\n\n#define IN in\n#define OUT out\n\n#ifdef FRAGMENT_SHADER\nout vec4 outColor;\n#define OUT_COLOR outColor\n#endif\n#define TEXTURE texture\n\n#else\n\n#ifdef FRAGMENT_SHADER\n#define IN varying\n#else\n#define IN attribute\n#endif\n#define OUT varying\n#define TEXTURE texture2D\n\n#ifdef FRAGMENT_SHADER\n#define OUT_COLOR gl_FragColor\n#endif\n\n#endif\n"+M[x];j(e={},l.GRAY,"precision highp float;\n\nvarying vec2 vTexCoord;\n\nuniform sampler2D tex0;\n\nfloat luma(vec3 color) {\n // weighted grayscale with luminance values\n return dot(color, vec3(0.2126, 0.7152, 0.0722));\n}\n\nvoid main() {\n vec4 tex = texture2D(tex0, vTexCoord);\n float gray = luma(tex.rgb);\n gl_FragColor = vec4(gray, gray, gray, tex.a);\n}\n"),j(e,l.ERODE,"// Reduces the bright areas in an image\n\nprecision highp float;\n\nvarying vec2 vTexCoord;\n\nuniform sampler2D tex0;\nuniform vec2 texelSize;\n\nfloat luma(vec3 color) {\n // weighted grayscale with luminance values\n // weights 77, 151, 28 taken from src/image/filters.js\n return dot(color, vec3(0.300781, 0.589844, 0.109375));\n}\n\nvoid main() {\n vec4 color = texture2D(tex0, vTexCoord);\n float lum = luma(color.rgb);\n\n // set current color as the darkest neighbor color\n\n vec4 neighbors[4];\n neighbors[0] = texture2D(tex0, vTexCoord + vec2( texelSize.x, 0.0));\n neighbors[1] = texture2D(tex0, vTexCoord + vec2(-texelSize.x, 0.0));\n neighbors[2] = texture2D(tex0, vTexCoord + vec2(0.0, texelSize.y));\n neighbors[3] = texture2D(tex0, vTexCoord + vec2(0.0, -texelSize.y));\n\n for (int i = 0; i < 4; i++) {\n vec4 neighborColor = neighbors[i];\n float neighborLum = luma(neighborColor.rgb);\n\n if (neighborLum < lum) {\n color = neighborColor;\n lum = neighborLum;\n }\n }\n\n gl_FragColor = color;\n}\n"),j(e,l.DILATE,"// Increase the bright areas in an image\n\nprecision highp float;\n\nvarying vec2 vTexCoord;\n\nuniform sampler2D tex0;\nuniform vec2 texelSize;\n\nfloat luma(vec3 color) {\n // weighted grayscale with luminance values\n // weights 77, 151, 28 taken from src/image/filters.js\n return dot(color, vec3(0.300781, 0.589844, 0.109375));\n}\n\nvoid main() {\n vec4 color = texture2D(tex0, vTexCoord);\n float lum = luma(color.rgb);\n\n // set current color as the brightest neighbor color\n\n vec4 neighbors[4];\n neighbors[0] = texture2D(tex0, vTexCoord + vec2( texelSize.x, 0.0));\n neighbors[1] = texture2D(tex0, vTexCoord + vec2(-texelSize.x, 0.0));\n neighbors[2] = texture2D(tex0, vTexCoord + vec2(0.0, texelSize.y));\n neighbors[3] = texture2D(tex0, vTexCoord + vec2(0.0, -texelSize.y));\n\n for (int i = 0; i < 4; i++) {\n vec4 neighborColor = neighbors[i];\n float neighborLum = luma(neighborColor.rgb);\n\n if (neighborLum > lum) {\n color = neighborColor;\n lum = neighborLum;\n }\n }\n\n gl_FragColor = color;\n}\n"),j(e,l.BLUR,"precision highp float;\n\n// Two-pass blur filter, unweighted kernel.\n// See also a similar blur at Adam Ferriss' repo of shader examples:\n// https://github.com/aferriss/p5jsShaderExamples/blob/gh-pages/4_image-effects/4-9_single-pass-blur/effect.frag\n\n\nuniform sampler2D tex0;\nvarying vec2 vTexCoord;\nuniform vec2 direction;\nuniform vec2 canvasSize;\nuniform float radius;\n\nfloat random(vec2 p) {\n vec3 p3 = fract(vec3(p.xyx) * .1031);\n p3 += dot(p3, p3.yzx + 33.33);\n return fract((p3.x + p3.y) * p3.z);\n}\n\n// This isn't a real Gaussian weight, it's a quadratic weight. It's what the\n// CPU mode's blur uses though, so we also use it here to match.\nfloat quadWeight(float x, float e) {\n return pow(e-abs(x), 2.);\n}\n\nvoid main(){\n vec2 uv = vTexCoord;\n\n // A reasonable maximum number of samples\n const float maxSamples = 64.0;\n\n float numSamples = floor(7. * radius);\n if (fract(numSamples / 2.) == 0.) {\n numSamples++;\n }\n vec4 avg = vec4(0.0);\n float total = 0.0;\n\n // Calculate the spacing to avoid skewing if numSamples > maxSamples\n float spacing = 1.0;\n if (numSamples > maxSamples) {\n spacing = numSamples / maxSamples;\n numSamples = maxSamples;\n }\n\n float randomOffset = (spacing - 1.0) * mix(-0.5, 0.5, random(gl_FragCoord.xy));\n for (float i = 0.0; i < maxSamples; i++) {\n if (i >= numSamples) break;\n\n float sample = i * spacing - (numSamples - 1.0) * 0.5 * spacing + randomOffset;\n vec2 sampleCoord = uv + vec2(sample, sample) / canvasSize * direction;\n float weight = quadWeight(sample, (numSamples - 1.0) * 0.5 * spacing);\n\n avg += weight * texture2D(tex0, sampleCoord);\n total += weight;\n }\n\n avg /= total;\n gl_FragColor = avg;\n}\n"),j(e,l.POSTERIZE,"// Limit color space for a stylized cartoon / poster effect\n\nprecision highp float;\n\nvarying vec2 vTexCoord;\n\nuniform sampler2D tex0;\nuniform float filterParameter;\n\nvec3 quantize(vec3 color, float n) {\n // restrict values to N options/bins\n // and floor each channel to nearest value\n //\n // eg. when N = 5, values = 0.0, 0.25, 0.50, 0.75, 1.0\n // then quantize (0.1, 0.7, 0.9) -> (0.0, 0.5, 1.0)\n\n color = color * n;\n color = floor(color);\n color = color / (n - 1.0);\n return color;\n}\n\nvoid main() {\n vec4 color = texture2D(tex0, vTexCoord);\n\n vec3 restrictedColor = quantize(color.rgb / color.a, filterParameter);\n\n gl_FragColor = vec4(restrictedColor.rgb * color.a, color.a);\n}\n"),j(e,l.OPAQUE,"// Set alpha channel to entirely opaque\n\nprecision highp float;\n\nvarying vec2 vTexCoord;\n\nuniform sampler2D tex0;\n\nvoid main() {\n vec4 color = texture2D(tex0, vTexCoord);\n gl_FragColor = vec4(color.rgb / color.a, 1.0);\n}\n"),j(e,l.INVERT,"// Set each pixel to inverse value\n// Note that original INVERT does not change the opacity, so this follows suit\n\nprecision highp float;\n\nvarying vec2 vTexCoord;\n\nuniform sampler2D tex0;\n\nvoid main() {\nvec4 color = texture2D(tex0, vTexCoord);\nvec3 origColor = color.rgb / color.a;\nvec3 invertedColor = vec3(1.0) - origColor;\ngl_FragColor = vec4(invertedColor * color.a, color.a);\n}\n"),j(e,l.THRESHOLD,"// Convert pixels to either white or black, \n// depending on if their luma is above or below filterParameter\n\nprecision highp float;\n\nvarying vec2 vTexCoord;\n\nuniform sampler2D tex0;\nuniform float filterParameter;\n\nfloat luma(vec3 color) {\n // weighted grayscale with luminance values\n return dot(color, vec3(0.2126, 0.7152, 0.0722));\n}\n\nvoid main() {\n vec4 color = texture2D(tex0, vTexCoord);\n float gray = luma(color.rgb / color.a);\n // floor() used to match src/image/filters.js\n float threshold = floor(filterParameter * 255.0) / 255.0;\n float blackOrWhite = step(threshold, gray);\n gl_FragColor = vec4(vec3(blackOrWhite) * color.a, color.a);\n}\n");var E=e;function k(e,t,r,o,n,s,i,a,l,u){var c=t.getParameter(t.FRAMEBUFFER_BINDING),r=(t.bindFramebuffer(t.FRAMEBUFFER,r),a===t.RGBA?4:3),d=s*i*r,h=l===t.UNSIGNED_BYTE?Uint8Array:Float32Array;if(e instanceof h&&e.length===d||(e=new h(d)),t.readPixels(o,u?u-n-i:n,s,i,a,l,e),t.bindFramebuffer(t.FRAMEBUFFER,c),u)for(var f=Math.floor(i/2),p=new h(s*r),m=0;m>7,127&d,c>>7,127&c);for(var h=0;h>7,127&f,0,0)}}return{cellImageInfo:a,dimOffset:t,dimImageInfo:n}}}}]),t}();B.default.RendererGL.prototype._renderText=function(e,t,r,o,n){if(this._textFont&&"string"!=typeof this._textFont){if(!(n<=o)&&this._doFill){if(this._isOpenType()){e.push();var n=this._doStroke,s=this.drawMode,i=(this._doStroke=!1,this.drawMode=M.TEXTURE,this._textFont.font),a=(a=this._textFont._fontInfo)||(this._textFont._fontInfo=new E(i)),r=this._textFont._handleAlignment(this,t,r,o),o=this._textSize/i.unitsPerEm,l=(this.translate(r.x,r.y,0),this.scale(o,o,1),this.GL),r=!this._defaultFontShader,u=this._getFontShader(),c=(u.init(),u.bindShader(),r&&(u.setUniform("uGridImageSize",[64,64]),u.setUniform("uCellsImageSize",[64,64]),u.setUniform("uStrokeImageSize",[64,64]),u.setUniform("uGridSize",[9,9])),this._applyColorBlend(this.curFillColor),this.retainedMode.geometry.glyph),d=(c||((o=this._textGeom=new B.default.Geometry(1,1,function(){for(var e=0;e<=1;e++)for(var t=0;t<=1;t++)this.vertices.push(new B.default.Vector(t,e,0)),this.uvs.push(t,e)})).computeFaces().computeNormals(),c=this.createBuffers("glyph",o)),!0),r=!1,o=void 0;try{for(var h,f=this.retainedMode.buffers.text[Symbol.iterator]();!(d=(h=f.next()).done);d=!0)h.value._prepareBuffer(c,u)}catch(e){r=!0,o=e}finally{try{d||null==f.return||f.return()}finally{if(r)throw o}}this._bindBuffer(c.indexBuffer,l.ELEMENT_ARRAY_BUFFER),u.setUniform("uMaterialColor",this.curFillColor),l.pixelStorei(l.UNPACK_PREMULTIPLY_ALPHA_WEBGL,!1);try{var p=0,m=null,y=i.stringToGlyphs(t),g=!0,v=!1,b=void 0;try{for(var j,_=y[Symbol.iterator]();!(g=(j=_.next()).done);g=!0){var x,w,S=j.value,T=(m&&(p+=i.getKerningValue(m,S)),a.getGlyphInfo(S));T.uGlyphRect&&(x=T.rowInfo,w=T.colInfo,u.setUniform("uSamplerStrokes",T.strokeImageInfo.imageData),u.setUniform("uSamplerRowStrokes",x.cellImageInfo.imageData),u.setUniform("uSamplerRows",x.dimImageInfo.imageData),u.setUniform("uSamplerColStrokes",w.cellImageInfo.imageData),u.setUniform("uSamplerCols",w.dimImageInfo.imageData),u.setUniform("uGridOffset",T.uGridOffset),u.setUniform("uGlyphRect",T.uGlyphRect),u.setUniform("uGlyphOffset",p),u.bindTextures(),l.drawElements(l.TRIANGLES,6,this.GL.UNSIGNED_SHORT,0)),p+=S.advanceWidth,m=S}}catch(e){v=!0,b=e}finally{try{g||null==_.return||_.return()}finally{if(v)throw b}}}finally{u.unbindShader(),this._doStroke=n,this.drawMode=s,l.pixelStorei(l.UNPACK_PREMULTIPLY_ALPHA_WEBGL,!0),e.pop()}}else console.log("WEBGL: only Opentype (.otf) and Truetype (.ttf) fonts are supported");return e}}else console.log("WEBGL: you must load and set a font before drawing text. 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                                                                        '))),this._accessibleOutputs[r]={},"textOutput"===e?(i="#".concat(s,"gridOutput").concat(i),n='
                                                                        Text Output

                                                                          '),this.dummyDOM.querySelector(i)?this.dummyDOM.querySelector(i).insertAdjacentHTML("beforebegin",n):this.dummyDOM.querySelector("#".concat(o)).innerHTML=n,this._accessibleOutputs[r].list=this.dummyDOM.querySelector("#".concat(r,"_list"))):"gridOutput"===e&&(i="#".concat(s,"textOutput").concat(i),n='
                                                                          Grid Output

                                                                            '),this.dummyDOM.querySelector(i)?this.dummyDOM.querySelector(i).insertAdjacentHTML("afterend",n):this.dummyDOM.querySelector("#".concat(o)).innerHTML=n,this._accessibleOutputs[r].map=this.dummyDOM.querySelector("#".concat(r,"_map"))),this._accessibleOutputs[r].shapeDetails=this.dummyDOM.querySelector("#".concat(r,"_shapeDetails")),this._accessibleOutputs[r].summary=this.dummyDOM.querySelector("#".concat(r,"_summary"))},o.default.prototype._updateAccsOutput=function(){var e=this.canvas.id;JSON.stringify(this.ingredients.shapes)===this.ingredients.pShapes&&this.ingredients.colors.background===this.ingredients.pBackground||(this.ingredients.pShapes=JSON.stringify(this.ingredients.shapes),this._accessibleOutputs.text&&this._updateTextOutput(e+"textOutput"),this._accessibleOutputs.grid&&this._updateGridOutput(e+"gridOutput"),this._accessibleOutputs.textLabel&&this._updateTextOutput(e+"textOutputLabel"),this._accessibleOutputs.gridLabel&&this._updateGridOutput(e+"gridOutputLabel"))},o.default.prototype._accsBackground=function(e){this.ingredients.pShapes=JSON.stringify(this.ingredients.shapes),this.ingredients.pBackground=this.ingredients.colors.background,this.ingredients.shapes={},this.ingredients.colors.backgroundRGBA!==e&&(this.ingredients.colors.backgroundRGBA=e,this.ingredients.colors.background=this._rgbColorName(e))},o.default.prototype._accsCanvasColors=function(e,t){"fill"===e?this.ingredients.colors.fillRGBA!==t&&(this.ingredients.colors.fillRGBA=t,this.ingredients.colors.fill=this._rgbColorName(t)):"stroke"===e&&this.ingredients.colors.strokeRGBA!==t&&(this.ingredients.colors.strokeRGBA=t,this.ingredients.colors.stroke=this._rgbColorName(t))},o.default.prototype._accsOutput=function(e,t){"ellipse"===e&&t[2]===t[3]?e="circle":"rectangle"===e&&t[2]===t[3]&&(e="square");var r,o,n={},s=!0,i=function(e,t){var r;e="rectangle"===e||"ellipse"===e||"arc"===e||"circle"===e||"square"===e?(r=Math.round(t[0]+t[2]/2),Math.round(t[1]+t[3]/2)):"triangle"===e?(r=(t[0]+t[2]+t[4])/3,(t[1]+t[3]+t[5])/3):"quadrilateral"===e?(r=(t[0]+t[2]+t[4]+t[6])/4,(t[1]+t[3]+t[5]+t[7])/4):"line"===e?(r=(t[0]+t[2])/2,(t[1]+t[3])/2):(r=t[0],t[1]);return[r,e]}(e,t);if("line"===e?(n.color=this.ingredients.colors.stroke,n.length=Math.round(this.dist(t[0],t[1],t[2],t[3])),r=this._getPos(t[0],[1]),o=this._getPos(t[2],[3]),n.loc=u(i,this.width,this.height),n.pos=r===o?"at ".concat(r):"from ".concat(r," to ").concat(o)):("point"===e?n.color=this.ingredients.colors.stroke:(n.color=this.ingredients.colors.fill,n.area=this._getArea(e,t)),n.pos=this._getPos.apply(this,l(i)),n.loc=u(i,this.width,this.height)),this.ingredients.shapes[e]){if(this.ingredients.shapes[e]!==[n]){for(var a in this.ingredients.shapes[e])JSON.stringify(this.ingredients.shapes[e][a])===JSON.stringify(n)&&(s=!1);!0===s&&this.ingredients.shapes[e].push(n)}}else this.ingredients.shapes[e]=[n]},o.default.prototype._getPos=function(e,t){var e=new DOMPointReadOnly(e,t),t=this._renderer.isP3D?new DOMMatrix(this._renderer.uMVMatrix.mat4):this.drawingContext.getTransform(),e=e.matrixTransform(t),t=e.x,e=e.y,r=this.width*this._pixelDensity,o=this.height*this._pixelDensity;return t<.4*r?e<.4*o?"top left":.6*oMath.PI?n+=o:n-=o)):"ellipse"===e||"circle"===e?n=3.14*t[2]/2*t[3]/2:"line"===e||"point"===e?n=0:"quadrilateral"===e?n=Math.abs((t[6]+t[0])*(t[7]-t[1])+(t[0]+t[2])*(t[1]-t[3])+(t[2]+t[4])*(t[3]-t[5])+(t[4]+t[6])*(t[5]-t[7]))/2:"rectangle"===e||"square"===e?n=t[2]*t[3]:"triangle"===e&&(n=Math.abs(t[0]*(t[3]-t[5])+t[2]*(t[5]-t[1])+t[4]*(t[1]-t[3]))/2),this.width*this._pixelDensity),i=this.height*this._pixelDensity,a=[new DOMPoint(0,0),new DOMPoint(s,0),new DOMPoint(s,i),new 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strict";e("core-js/modules/es.array.concat"),e("core-js/modules/es.array.concat"),Object.defineProperty(r,"__esModule",{value:!0}),r.default=void 0;e=(e=e("../core/main"))&&e.__esModule?e:{default:e};e.default.prototype._updateTextOutput=function(e){var t,r,o,n;this.dummyDOM.querySelector("#".concat(e,"_summary"))&&(t=this._accessibleOutputs[e],o=function(e,t,r,o){r="Your output is a, ".concat(r," by ").concat(o," pixels, ").concat(t," canvas containing the following");r=1===e?"".concat(r," shape:"):"".concat(r," ").concat(e," shapes:");return r}((r=function(e,t){var r,o="",n=0;for(r in t)for(var s in t[r]){var i='
                                                                          • ').concat(t[r][s].color," ").concat(r,"");"line"===r?i+=", ".concat(t[r][s].pos,", ").concat(t[r][s].length," pixels long.
                                                                            • "):(i+=", at ".concat(t[r][s].pos),"point"!==r&&(i+=", covering ".concat(t[r][s].area,"% of the canvas")),i+="."),o+=i,n++}return{numShapes:n,listShapes:o}}(e,this.ingredients.shapes)).numShapes,this.ingredients.colors.background,this.width,this.height),n=function(e,t){var r,o="",n=0;for(r in t)for(var s in t[r]){var i='').concat(t[r][s].color," ").concat(r,"");"line"===r?i+="location = ".concat(t[r][s].pos,"length = ").concat(t[r][s].length," pixels"):(i+="location = ".concat(t[r][s].pos,""),"point"!==r&&(i+=" area = ".concat(t[r][s].area,"%")),i+=""),o+=i,n++}return o}(e,this.ingredients.shapes),o!==t.summary.innerHTML&&(t.summary.innerHTML=o),r.listShapes!==t.list.innerHTML&&(t.list.innerHTML=r.listShapes),n!==t.shapeDetails.innerHTML&&(t.shapeDetails.innerHTML=n),this._accessibleOutputs[e]=t)};e=e.default;r.default=e},{"../core/main":283,"core-js/modules/es.array.concat":153}],267:[function(e,t,r){"use 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s;Object.prototype.hasOwnProperty.call(e,r)&&((s=n?Object.getOwnPropertyDescriptor(e,r):null)&&(s.get||s.set)?Object.defineProperty(o,r,s):o[r]=e[r])}o.default=e,t&&t.set(e,o);return o}(e("../core/constants"));function a(){var e;return"function"!=typeof WeakMap?null:(e=new WeakMap,a=function(){return e},e)}e("./p5.Color"),e("../core/friendly_errors/validate_params"),e("../core/friendly_errors/file_errors"),e("../core/friendly_errors/fes_core"),l.default.prototype.alpha=function(e){return l.default._validateParameters("alpha",arguments),this.color(e)._getAlpha()},l.default.prototype.blue=function(e){return l.default._validateParameters("blue",arguments),this.color(e)._getBlue()},l.default.prototype.brightness=function(e){return l.default._validateParameters("brightness",arguments),this.color(e)._getBrightness()},l.default.prototype.color=function(){for(var e,t=arguments.length,r=new 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curve (after t1)?\n if (y1 ? !y2 : y0) {\n // add the coverage for t1\n coverage.x += saturate(C1.x + 0.5);\n // calculate the anti-aliasing for t1\n weight.x = min(weight.x, abs(C1.x));\n }\n\n // are we outside the curve (after t2)?\n if (y1 ? !y0 : y2) {\n // subtract the coverage for t2\n coverage.x -= saturate(C2.x + 0.5);\n // calculate the anti-aliasing for t2\n weight.x = min(weight.x, abs(C2.x));\n }\n}\n\n// this is essentially the same as coverageX, but with the axes swapped\nvoid coverageY(vec2 p0, vec2 p1, vec2 p2) {\n\n vec2 C1, C2;\n calulateCrossings(p0, p1, p2, C1, C2);\n\n bool x0 = p0.x > vTexCoord.x;\n bool x1 = p1.x > vTexCoord.x;\n bool x2 = p2.x > vTexCoord.x;\n\n if (x1 ? !x2 : x0) {\n coverage.y -= saturate(C1.y + 0.5);\n weight.y = min(weight.y, abs(C1.y));\n }\n\n if (x1 ? !x0 : x2) {\n coverage.y += saturate(C2.y + 0.5);\n weight.y = min(weight.y, abs(C2.y));\n }\n}\n\nvoid main() {\n\n // calculate the pixel scale based on screen-coordinates\n pixelScale = hardness / fwidth(vTexCoord);\n\n // which grid cell is this pixel in?\n ivec2 gridCoord = ifloor(vTexCoord * vec2(uGridSize));\n\n // intersect curves in this row\n {\n // the index into the row info bitmap\n int rowIndex = gridCoord.y + uGridOffset.y;\n // fetch the info texel\n vec4 rowInfo = getTexel(uSamplerRows, rowIndex, uGridImageSize);\n // unpack the rowInfo\n int rowStrokeIndex = getInt16(rowInfo.xy);\n int rowStrokeCount = getInt16(rowInfo.zw);\n\n for (int iRowStroke = INT(0); iRowStroke < N; iRowStroke++) {\n if (iRowStroke >= rowStrokeCount)\n break;\n\n // each stroke is made up of 3 points: the start and control point\n // and the start of the next curve.\n // fetch the indices of this pair of strokes:\n vec4 strokeIndices = getTexel(uSamplerRowStrokes, rowStrokeIndex++, uCellsImageSize);\n\n // unpack the stroke index\n int strokePos = getInt16(strokeIndices.xy);\n\n // fetch the two strokes\n vec4 stroke0 = getTexel(uSamplerStrokes, strokePos + INT(0), uStrokeImageSize);\n vec4 stroke1 = getTexel(uSamplerStrokes, strokePos + INT(1), uStrokeImageSize);\n\n // calculate the coverage\n coverageX(stroke0.xy, stroke0.zw, stroke1.xy);\n }\n }\n\n // intersect curves in this column\n {\n int colIndex = gridCoord.x + uGridOffset.x;\n vec4 colInfo = getTexel(uSamplerCols, colIndex, uGridImageSize);\n int colStrokeIndex = getInt16(colInfo.xy);\n int colStrokeCount = getInt16(colInfo.zw);\n \n for (int iColStroke = INT(0); iColStroke < N; iColStroke++) {\n if (iColStroke >= colStrokeCount)\n break;\n\n vec4 strokeIndices = getTexel(uSamplerColStrokes, colStrokeIndex++, uCellsImageSize);\n\n int strokePos = getInt16(strokeIndices.xy);\n vec4 stroke0 = getTexel(uSamplerStrokes, strokePos + INT(0), uStrokeImageSize);\n vec4 stroke1 = getTexel(uSamplerStrokes, strokePos + INT(1), uStrokeImageSize);\n coverageY(stroke0.xy, stroke0.zw, stroke1.xy);\n }\n }\n\n weight = saturate(1.0 - weight * 2.0);\n float distance = max(weight.x + weight.y, minDistance); // manhattan approx.\n float antialias = abs(dot(coverage, weight) / distance);\n float cover = min(abs(coverage.x), abs(coverage.y));\n OUT_COLOR = vec4(uMaterialColor.rgb, 1.) * uMaterialColor.a;\n OUT_COLOR *= saturate(max(antialias, cover));\n}\n",lineVert:T+"/*\n Part of the Processing project - http://processing.org\n Copyright (c) 2012-15 The Processing Foundation\n Copyright (c) 2004-12 Ben Fry and Casey Reas\n Copyright (c) 2001-04 Massachusetts Institute of Technology\n This library is free software; you can redistribute it and/or\n modify it under the terms of the GNU Lesser General Public\n License as published by the Free Software Foundation, version 2.1.\n This library is distributed in the hope that it will be useful,\n but WITHOUT ANY WARRANTY; without even the implied warranty of\n MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU\n Lesser General Public License for more details.\n You should have received a copy of the GNU Lesser General\n Public License along with this library; if not, write to the\n Free Software Foundation, Inc., 59 Temple Place, Suite 330,\n Boston, MA 02111-1307 USA\n*/\n\n#define PROCESSING_LINE_SHADER\n\nprecision mediump int;\n\nuniform mat4 uModelViewMatrix;\nuniform mat4 uProjectionMatrix;\nuniform float uStrokeWeight;\n\nuniform bool uUseLineColor;\nuniform vec4 uMaterialColor;\n\nuniform vec4 uViewport;\nuniform int uPerspective;\nuniform int uStrokeJoin;\n\nIN vec4 aPosition;\nIN vec3 aTangentIn;\nIN vec3 aTangentOut;\nIN float aSide;\nIN vec4 aVertexColor;\n\nOUT vec4 vColor;\nOUT vec2 vTangent;\nOUT vec2 vCenter;\nOUT vec2 vPosition;\nOUT float vMaxDist;\nOUT float vCap;\nOUT float vJoin;\n\nvec2 lineIntersection(vec2 aPoint, vec2 aDir, vec2 bPoint, vec2 bDir) {\n // Rotate and translate so a starts at the origin and goes out to the right\n bPoint -= aPoint;\n vec2 rotatedBFrom = vec2(\n bPoint.x*aDir.x + bPoint.y*aDir.y,\n bPoint.y*aDir.x - bPoint.x*aDir.y\n );\n vec2 bTo = bPoint + bDir;\n vec2 rotatedBTo = vec2(\n bTo.x*aDir.x + bTo.y*aDir.y,\n bTo.y*aDir.x - bTo.x*aDir.y\n );\n float intersectionDistance =\n rotatedBTo.x + (rotatedBFrom.x - rotatedBTo.x) * rotatedBTo.y /\n (rotatedBTo.y - rotatedBFrom.y);\n return aPoint + aDir * intersectionDistance;\n}\n\nvoid main() {\n // Caps have one of either the in or out tangent set to 0\n vCap = (aTangentIn == vec3(0.)) != (aTangentOut == (vec3(0.)))\n ? 1. : 0.;\n\n // Joins have two unique, defined tangents\n vJoin = (\n aTangentIn != vec3(0.) &&\n aTangentOut != vec3(0.) &&\n aTangentIn != aTangentOut\n ) ? 1. : 0.;\n\n vec4 posp = uModelViewMatrix * aPosition;\n vec4 posqIn = uModelViewMatrix * (aPosition + vec4(aTangentIn, 0));\n vec4 posqOut = uModelViewMatrix * (aPosition + vec4(aTangentOut, 0));\n\n float facingCamera = pow(\n // The word space tangent's z value is 0 if it's facing the camera\n abs(normalize(posqIn-posp).z),\n\n // Using pow() here to ramp `facingCamera` up from 0 to 1 really quickly\n // so most lines get scaled and don't get clipped\n 0.25\n );\n\n // Moving vertices slightly toward the camera\n // to avoid depth-fighting with the fill triangles.\n // This prevents popping effects due to half of\n // the line disappearing behind the geometry faces.\n \n float zOffset = mix(-0.00045, -1., facingCamera);\n posp.z -= zOffset;\n posqIn.z -= zOffset;\n posqOut.z -= zOffset;\n \n vec4 p = uProjectionMatrix * posp;\n vec4 qIn = uProjectionMatrix * posqIn;\n vec4 qOut = uProjectionMatrix * posqOut;\n vCenter = p.xy;\n\n // formula to convert from clip space (range -1..1) to screen space (range 0..[width or height])\n // screen_p = (p.xy/p.w + <1,1>) * 0.5 * uViewport.zw\n\n // prevent division by W by transforming the tangent formula (div by 0 causes\n // the line to disappear, see https://github.com/processing/processing/issues/5183)\n // t = screen_q - screen_p\n //\n // tangent is normalized and we don't care which aDirection it points to (+-)\n // t = +- normalize( screen_q - screen_p )\n // t = +- normalize( (q.xy/q.w+<1,1>)*0.5*uViewport.zw - (p.xy/p.w+<1,1>)*0.5*uViewport.zw )\n //\n // extract common factor, <1,1> - <1,1> cancels out\n // t = +- normalize( (q.xy/q.w - p.xy/p.w) * 0.5 * uViewport.zw )\n //\n // convert to common divisor\n // t = +- normalize( ((q.xy*p.w - p.xy*q.w) / (p.w*q.w)) * 0.5 * uViewport.zw )\n //\n // remove the common scalar divisor/factor, not needed due to normalize and +-\n // (keep uViewport - can't remove because it has different components for x and y\n // and corrects for aspect ratio, see https://github.com/processing/processing/issues/5181)\n // t = +- normalize( (q.xy*p.w - p.xy*q.w) * uViewport.zw )\n\n vec2 tangentIn = normalize((qIn.xy*p.w - p.xy*qIn.w) * uViewport.zw);\n vec2 tangentOut = normalize((qOut.xy*p.w - p.xy*qOut.w) * uViewport.zw);\n\n vec2 curPerspScale;\n if(uPerspective == 1) {\n // Perspective ---\n // convert from world to clip by multiplying with projection scaling factor\n // to get the right thickness (see https://github.com/processing/processing/issues/5182)\n\n // The y value of the projection matrix may be flipped if rendering to a Framebuffer.\n // Multiplying again by its sign here negates the flip to get just the scale.\n curPerspScale = (uProjectionMatrix * vec4(1, sign(uProjectionMatrix[1][1]), 0, 0)).xy;\n } else {\n // No Perspective ---\n // multiply by W (to cancel out division by W later in the pipeline) and\n // convert from screen to clip (derived from clip to screen above)\n curPerspScale = p.w / (0.5 * uViewport.zw);\n }\n\n vec2 offset;\n if (vJoin == 1.) {\n vTangent = normalize(tangentIn + tangentOut);\n vec2 normalIn = vec2(-tangentIn.y, tangentIn.x);\n vec2 normalOut = vec2(-tangentOut.y, tangentOut.x);\n float side = sign(aSide);\n float sideEnum = abs(aSide);\n\n // We generate vertices for joins on either side of the centerline, but\n // the \"elbow\" side is the only one needing a join. By not setting the\n // offset for the other side, all its vertices will end up in the same\n // spot and not render, effectively discarding it.\n if (sign(dot(tangentOut, vec2(-tangentIn.y, tangentIn.x))) != side) {\n // Side enums:\n // 1: the side going into the join\n // 2: the middle of the join\n // 3: the side going out of the join\n if (sideEnum == 2.) {\n // Calculate the position + tangent on either side of the join, and\n // find where the lines intersect to find the elbow of the join\n vec2 c = (posp.xy/posp.w + vec2(1.,1.)) * 0.5 * uViewport.zw;\n vec2 intersection = lineIntersection(\n c + (side * normalIn * uStrokeWeight / 2.),\n tangentIn,\n c + (side * normalOut * uStrokeWeight / 2.),\n tangentOut\n );\n offset = (intersection - c);\n\n // When lines are thick and the angle of the join approaches 180, the\n // elbow might be really far from the center. We'll apply a limit to\n // the magnitude to avoid lines going across the whole screen when this\n // happens.\n float mag = length(offset);\n float maxMag = 3. * uStrokeWeight;\n if (mag > maxMag) {\n offset *= maxMag / mag;\n }\n } else if (sideEnum == 1.) {\n offset = side * normalIn * uStrokeWeight / 2.;\n } else if (sideEnum == 3.) {\n offset = side * normalOut * uStrokeWeight / 2.;\n }\n }\n if (uStrokeJoin == STROKE_JOIN_BEVEL) {\n vec2 avgNormal = vec2(-vTangent.y, vTangent.x);\n vMaxDist = abs(dot(avgNormal, normalIn * uStrokeWeight / 2.));\n } else {\n vMaxDist = uStrokeWeight / 2.;\n }\n } else {\n vec2 tangent = aTangentIn == vec3(0.) ? tangentOut : tangentIn;\n vTangent = tangent;\n vec2 normal = vec2(-tangent.y, tangent.x);\n\n float normalOffset = sign(aSide);\n // Caps will have side values of -2 or 2 on the edge of the cap that\n // extends out from the line\n float tangentOffset = abs(aSide) - 1.;\n offset = (normal * normalOffset + tangent * tangentOffset) *\n uStrokeWeight * 0.5;\n vMaxDist = uStrokeWeight / 2.;\n }\n vPosition = vCenter + offset;\n\n gl_Position.xy = p.xy + offset.xy * curPerspScale;\n gl_Position.zw = p.zw;\n \n vColor = (uUseLineColor ? aVertexColor : uMaterialColor);\n}\n",lineFrag:T+"precision mediump int;\n\nuniform vec4 uMaterialColor;\nuniform int uStrokeCap;\nuniform int uStrokeJoin;\nuniform float uStrokeWeight;\n\nIN vec4 vColor;\nIN vec2 vTangent;\nIN vec2 vCenter;\nIN vec2 vPosition;\nIN float vMaxDist;\nIN float vCap;\nIN float vJoin;\n\nfloat distSquared(vec2 a, vec2 b) {\n vec2 aToB = b - a;\n return dot(aToB, aToB);\n}\n\nvoid main() {\n if (vCap > 0.) {\n if (\n uStrokeCap == STROKE_CAP_ROUND &&\n distSquared(vPosition, vCenter) > uStrokeWeight * uStrokeWeight * 0.25\n ) {\n discard;\n } else if (\n uStrokeCap == STROKE_CAP_SQUARE &&\n dot(vPosition - vCenter, vTangent) > 0.\n ) {\n discard;\n }\n // Use full area for PROJECT\n } else if (vJoin > 0.) {\n if (\n uStrokeJoin == STROKE_JOIN_ROUND &&\n distSquared(vPosition, vCenter) > uStrokeWeight * uStrokeWeight * 0.25\n ) {\n discard;\n } else if (uStrokeJoin == STROKE_JOIN_BEVEL) {\n vec2 normal = vec2(-vTangent.y, vTangent.x);\n if (abs(dot(vPosition - vCenter, normal)) > vMaxDist) {\n discard;\n }\n }\n // Use full area for MITER\n }\n OUT_COLOR = vec4(vColor.rgb, 1.) * vColor.a;\n}\n",pointVert:"IN vec3 aPosition;\nuniform float uPointSize;\nOUT float vStrokeWeight;\nuniform mat4 uModelViewMatrix;\nuniform mat4 uProjectionMatrix;\nvoid main() {\n\tvec4 positionVec4 = vec4(aPosition, 1.0);\n\tgl_Position = uProjectionMatrix * uModelViewMatrix * positionVec4;\n\tgl_PointSize = uPointSize;\n\tvStrokeWeight = uPointSize;\n}\n",pointFrag:"precision mediump int;\nuniform vec4 uMaterialColor;\nIN float vStrokeWeight;\n\nvoid main(){\n float mask = 0.0;\n\n // make a circular mask using the gl_PointCoord (goes from 0 - 1 on a point)\n // might be able to get a nicer edge on big strokeweights with smoothstep but slightly less performant\n\n mask = step(0.98, length(gl_PointCoord * 2.0 - 1.0));\n\n // if strokeWeight is 1 or less lets just draw a square\n // this prevents weird artifacting from carving circles when our points are really small\n // if strokeWeight is larger than 1, we just use it as is\n\n mask = mix(0.0, mask, clamp(floor(vStrokeWeight - 0.5),0.0,1.0));\n\n // throw away the borders of the mask\n // otherwise we get weird alpha blending issues\n\n if(mask > 0.98){\n discard;\n }\n\n OUT_COLOR = vec4(uMaterialColor.rgb, 1.) * uMaterialColor.a;\n}\n",imageLightVert:"precision highp float;\nattribute vec3 aPosition;\nattribute vec3 aNormal;\nattribute vec2 aTexCoord;\n\nvarying vec3 localPos;\nvarying vec3 vWorldNormal;\nvarying vec3 vWorldPosition;\nvarying vec2 vTexCoord;\n\nuniform mat4 uModelViewMatrix;\nuniform mat4 uProjectionMatrix;\nuniform mat3 uNormalMatrix;\n\nvoid main() {\n // Multiply the position by the matrix.\n vec4 viewModelPosition = uModelViewMatrix * vec4(aPosition, 1.0);\n gl_Position = uProjectionMatrix * viewModelPosition; \n \n // orient the normals and pass to the fragment shader\n vWorldNormal = uNormalMatrix * aNormal;\n \n // send the view position to the fragment shader\n vWorldPosition = (uModelViewMatrix * vec4(aPosition, 1.0)).xyz;\n \n localPos = vWorldPosition;\n vTexCoord = aTexCoord;\n}\n\n\n/*\nin the vertex shader we'll compute the world position and world oriented normal of the vertices and pass those to the fragment shader as varyings.\n*/\n",imageLightDiffusedFrag:"precision highp float;\nvarying vec3 localPos;\n\n// the HDR cubemap converted (can be from an equirectangular environment map.)\nuniform sampler2D environmentMap;\nvarying vec2 vTexCoord;\n\nconst float PI = 3.14159265359;\n\nvec2 nTOE( vec3 v ){\n // x = r sin(phi) cos(theta) \n // y = r cos(phi) \n // z = r sin(phi) sin(theta)\n float phi = acos( v.y );\n // if phi is 0, then there are no x, z components\n float theta = 0.0;\n // else \n theta = acos(v.x / sin(phi));\n float sinTheta = v.z / sin(phi);\n if (sinTheta < 0.0) {\n // Turn it into -theta, but in the 0-2PI range\n theta = 2.0 * PI - theta;\n }\n theta = theta / (2.0 * 3.14159);\n phi = phi / 3.14159 ;\n \n vec2 angles = vec2( phi, theta );\n return angles;\n}\n\nfloat random(vec2 p) {\n vec3 p3 = fract(vec3(p.xyx) * .1031);\n p3 += dot(p3, p3.yzx + 33.33);\n return fract((p3.x + p3.y) * p3.z);\n}\n\nvoid main()\n{ \t \n\t// the sample direction equals the hemisphere's orientation\n float phi = vTexCoord.x * 2.0 * PI;\n float theta = vTexCoord.y * PI;\n float x = sin(theta) * cos(phi);\n float y = sin(theta) * sin(phi);\n float z = cos(theta);\n vec3 normal = vec3( x, y, z);\n\n\t// Discretely sampling the hemisphere given the integral's\n // spherical coordinates translates to the following fragment code:\n\tvec3 irradiance = vec3(0.0); \n\tvec3 up\t= vec3(0.0, 1.0, 0.0);\n\tvec3 right = normalize(cross(up, normal));\n\tup = normalize(cross(normal, right));\n\n\t// We specify a fixed sampleDelta delta value to traverse\n // the hemisphere; decreasing or increasing the sample delta\n // will increase or decrease the accuracy respectively.\n\tconst float sampleDelta = 0.100;\n\tfloat nrSamples = 0.0;\n float randomOffset = random(gl_FragCoord.xy) * sampleDelta;\n\tfor(float rawPhi = 0.0; rawPhi < 2.0 * PI; rawPhi += sampleDelta)\n\t{\n float phi = rawPhi + randomOffset;\n for(float rawTheta = 0.0; rawTheta < ( 0.5 ) * PI; rawTheta += sampleDelta)\n {\n float theta = rawTheta + randomOffset;\n // spherical to cartesian (in tangent space) // tangent space to world // add each sample result to irradiance\n float x = sin(theta) * cos(phi);\n float y = sin(theta) * sin(phi);\n float z = cos(theta);\n vec3 tangentSample = vec3( x, y, z);\n \n vec3 sampleVec = tangentSample.x * right + tangentSample.y * up + tangentSample.z * normal;\n irradiance += (texture2D(environmentMap, nTOE(sampleVec)).xyz) * cos(theta) * sin(theta);\n nrSamples++;\n }\n\t}\n\t// divide by the total number of samples taken, giving us the average sampled irradiance.\n\tirradiance = PI * irradiance * (1.0 / float(nrSamples )) ;\n \n \n\tgl_FragColor = vec4(irradiance, 1.0);\n}",imageLightSpecularFrag:"precision highp float;\r\nvarying vec3 localPos;\r\nvarying vec2 vTexCoord;\r\n\r\n// our texture\r\nuniform sampler2D environmentMap;\r\nuniform float roughness;\r\n\r\nconst float PI = 3.14159265359;\r\n\r\nfloat VanDerCorput(int bits);\r\nvec2 HammersleyNoBitOps(int i, int N);\r\nvec3 ImportanceSampleGGX(vec2 Xi, vec3 N, float roughness);\r\n\r\n\r\nvec2 nTOE( vec3 v ){\r\n // x = r sin(phi) cos(theta) \r\n // y = r cos(phi) \r\n // z = r sin(phi) sin(theta)\r\n float phi = acos( v.y );\r\n // if phi is 0, then there are no x, z components\r\n float theta = 0.0;\r\n // else \r\n theta = acos(v.x / sin(phi));\r\n float sinTheta = v.z / sin(phi);\r\n if (sinTheta < 0.0) {\r\n // Turn it into -theta, but in the 0-2PI range\r\n theta = 2.0 * PI - theta;\r\n }\r\n theta = theta / (2.0 * 3.14159);\r\n phi = phi / 3.14159 ;\r\n \r\n vec2 angles = vec2( phi, theta );\r\n return angles;\r\n}\r\n\r\n\r\nvoid main(){\r\n const int SAMPLE_COUNT = 400; // 4096\r\n int lowRoughnessLimit = int(pow(2.0,(roughness+0.1)*20.0));\r\n float totalWeight = 0.0;\r\n vec3 prefilteredColor = vec3(0.0);\r\n float phi = vTexCoord.x * 2.0 * PI;\r\n float theta = vTexCoord.y * PI;\r\n float x = sin(theta) * cos(phi);\r\n float y = sin(theta) * sin(phi);\r\n float z = cos(theta);\r\n vec3 N = vec3(x,y,z);\r\n vec3 V = N;\r\n for (int i = 0; i < SAMPLE_COUNT; ++i)\r\n {\r\n // break at smaller sample numbers for low roughness levels\r\n if(i == lowRoughnessLimit)\r\n {\r\n break;\r\n }\r\n vec2 Xi = HammersleyNoBitOps(i, SAMPLE_COUNT);\r\n vec3 H = ImportanceSampleGGX(Xi, N, roughness);\r\n vec3 L = normalize(2.0 * dot(V, H) * H - V);\r\n\r\n float NdotL = max(dot(N, L), 0.0);\r\n if (NdotL > 0.0)\r\n {\r\n prefilteredColor += texture2D(environmentMap, nTOE(L)).xyz * NdotL;\r\n totalWeight += NdotL;\r\n }\r\n }\r\n prefilteredColor = prefilteredColor / totalWeight;\r\n\r\n gl_FragColor = vec4(prefilteredColor, 1.0);\r\n}\r\n\r\nvec3 ImportanceSampleGGX(vec2 Xi, vec3 N, float roughness){\r\n float a = roughness * roughness;\r\n\r\n float phi = 2.0 * PI * Xi.x;\r\n float cosTheta = sqrt((1.0 - Xi.y) / (1.0 + (a * a - 1.0) * Xi.y));\r\n float sinTheta = sqrt(1.0 - cosTheta * cosTheta);\r\n // from spherical coordinates to cartesian coordinates\r\n vec3 H;\r\n H.x = cos(phi) * sinTheta;\r\n H.y = sin(phi) * sinTheta;\r\n H.z = cosTheta;\r\n\r\n // from tangent-space vector to world-space sample vector\r\n vec3 up = abs(N.z) < 0.999 ? vec3(0.0, 0.0, 1.0) : vec3(1.0, 0.0, 0.0);\r\n vec3 tangent = normalize(cross(up, N));\r\n vec3 bitangent = cross(N, tangent);\r\n\r\n vec3 sampleVec = tangent * H.x + bitangent * H.y + N * H.z;\r\n return normalize(sampleVec);\r\n}\r\n\r\n\r\nfloat VanDerCorput(int n, int base)\r\n{\r\n#ifdef WEBGL2\r\n\r\n uint bits = uint(n);\r\n bits = (bits << 16u) | (bits >> 16u);\r\n bits = ((bits & 0x55555555u) << 1u) | ((bits & 0xAAAAAAAAu) >> 1u);\r\n bits = ((bits & 0x33333333u) << 2u) | ((bits & 0xCCCCCCCCu) >> 2u);\r\n bits = ((bits & 0x0F0F0F0Fu) << 4u) | ((bits & 0xF0F0F0F0u) >> 4u);\r\n bits = ((bits & 0x00FF00FFu) << 8u) | ((bits & 0xFF00FF00u) >> 8u);\r\n return float(bits) * 2.3283064365386963e-10; // / 0x100000000\r\n\r\n#else\r\n\r\n float invBase = 1.0 / float(base);\r\n float denom = 1.0;\r\n float result = 0.0;\r\n\r\n\r\n for (int i = 0; i < 32; ++i)\r\n {\r\n if (n > 0)\r\n {\r\n denom = mod(float(n), 2.0);\r\n result += denom * invBase;\r\n invBase = invBase / 2.0;\r\n n = int(float(n) / 2.0);\r\n }\r\n }\r\n\r\n\r\n return result;\r\n\r\n#endif\r\n}\r\n\r\nvec2 HammersleyNoBitOps(int i, int N)\r\n{\r\n return vec2(float(i) / float(N), VanDerCorput(i, 2));\r\n}\r\n"},M=E.sphereMappingFrag;for(x in E)E[x]="#ifdef WEBGL2\n\n#define IN in\n#define OUT out\n\n#ifdef FRAGMENT_SHADER\nout vec4 outColor;\n#define OUT_COLOR outColor\n#endif\n#define TEXTURE texture\n\n#else\n\n#ifdef FRAGMENT_SHADER\n#define IN varying\n#else\n#define IN attribute\n#endif\n#define OUT varying\n#define TEXTURE texture2D\n\n#ifdef FRAGMENT_SHADER\n#define OUT_COLOR gl_FragColor\n#endif\n\n#endif\n"+E[x];j(e={},l.GRAY,"precision highp float;\n\nvarying vec2 vTexCoord;\n\nuniform sampler2D tex0;\n\nfloat luma(vec3 color) {\n // weighted grayscale with luminance values\n return dot(color, vec3(0.2126, 0.7152, 0.0722));\n}\n\nvoid main() {\n vec4 tex = texture2D(tex0, vTexCoord);\n float gray = luma(tex.rgb);\n gl_FragColor = vec4(gray, gray, gray, tex.a);\n}\n"),j(e,l.ERODE,"// Reduces the bright areas in an image\n\nprecision highp float;\n\nvarying vec2 vTexCoord;\n\nuniform sampler2D tex0;\nuniform vec2 texelSize;\n\nfloat luma(vec3 color) {\n // weighted grayscale with luminance values\n // weights 77, 151, 28 taken from src/image/filters.js\n return dot(color, vec3(0.300781, 0.589844, 0.109375));\n}\n\nvoid main() {\n vec4 color = texture2D(tex0, vTexCoord);\n float lum = luma(color.rgb);\n\n // set current color as the darkest neighbor color\n\n vec4 neighbors[4];\n neighbors[0] = texture2D(tex0, vTexCoord + vec2( texelSize.x, 0.0));\n neighbors[1] = texture2D(tex0, vTexCoord + vec2(-texelSize.x, 0.0));\n neighbors[2] = texture2D(tex0, vTexCoord + vec2(0.0, texelSize.y));\n neighbors[3] = texture2D(tex0, vTexCoord + vec2(0.0, -texelSize.y));\n\n for (int i = 0; i < 4; i++) {\n vec4 neighborColor = neighbors[i];\n float neighborLum = luma(neighborColor.rgb);\n\n if (neighborLum < lum) {\n color = neighborColor;\n lum = neighborLum;\n }\n }\n\n gl_FragColor = color;\n}\n"),j(e,l.DILATE,"// Increase the bright areas in an image\n\nprecision highp float;\n\nvarying vec2 vTexCoord;\n\nuniform sampler2D tex0;\nuniform vec2 texelSize;\n\nfloat luma(vec3 color) {\n // weighted grayscale with luminance values\n // weights 77, 151, 28 taken from src/image/filters.js\n return dot(color, vec3(0.300781, 0.589844, 0.109375));\n}\n\nvoid main() {\n vec4 color = texture2D(tex0, vTexCoord);\n float lum = luma(color.rgb);\n\n // set current color as the brightest neighbor color\n\n vec4 neighbors[4];\n neighbors[0] = texture2D(tex0, vTexCoord + vec2( texelSize.x, 0.0));\n neighbors[1] = texture2D(tex0, vTexCoord + vec2(-texelSize.x, 0.0));\n neighbors[2] = texture2D(tex0, vTexCoord + vec2(0.0, texelSize.y));\n neighbors[3] = texture2D(tex0, vTexCoord + vec2(0.0, -texelSize.y));\n\n for (int i = 0; i < 4; i++) {\n vec4 neighborColor = neighbors[i];\n float neighborLum = luma(neighborColor.rgb);\n\n if (neighborLum > lum) {\n color = neighborColor;\n lum = neighborLum;\n }\n }\n\n gl_FragColor = color;\n}\n"),j(e,l.BLUR,"precision highp float;\n\n// Two-pass blur filter, unweighted kernel.\n// See also a similar blur at Adam Ferriss' repo of shader examples:\n// https://github.com/aferriss/p5jsShaderExamples/blob/gh-pages/4_image-effects/4-9_single-pass-blur/effect.frag\n\n\nuniform sampler2D tex0;\nvarying vec2 vTexCoord;\nuniform vec2 direction;\nuniform vec2 canvasSize;\nuniform float radius;\n\nfloat random(vec2 p) {\n vec3 p3 = fract(vec3(p.xyx) * .1031);\n p3 += dot(p3, p3.yzx + 33.33);\n return fract((p3.x + p3.y) * p3.z);\n}\n\n// This isn't a real Gaussian weight, it's a quadratic weight. It's what the\n// CPU mode's blur uses though, so we also use it here to match.\nfloat quadWeight(float x, float e) {\n return pow(e-abs(x), 2.);\n}\n\nvoid main(){\n vec2 uv = vTexCoord;\n\n // A reasonable maximum number of samples\n const float maxSamples = 64.0;\n\n float numSamples = floor(7. * radius);\n if (fract(numSamples / 2.) == 0.) {\n numSamples++;\n }\n vec4 avg = vec4(0.0);\n float total = 0.0;\n\n // Calculate the spacing to avoid skewing if numSamples > maxSamples\n float spacing = 1.0;\n if (numSamples > maxSamples) {\n spacing = numSamples / maxSamples;\n numSamples = maxSamples;\n }\n\n float randomOffset = (spacing - 1.0) * mix(-0.5, 0.5, random(gl_FragCoord.xy));\n for (float i = 0.0; i < maxSamples; i++) {\n if (i >= numSamples) break;\n\n float sample = i * spacing - (numSamples - 1.0) * 0.5 * spacing + randomOffset;\n vec2 sampleCoord = uv + vec2(sample, sample) / canvasSize * direction;\n float weight = quadWeight(sample, (numSamples - 1.0) * 0.5 * spacing);\n\n avg += weight * texture2D(tex0, sampleCoord);\n total += weight;\n }\n\n avg /= total;\n gl_FragColor = avg;\n}\n"),j(e,l.POSTERIZE,"// Limit color space for a stylized cartoon / poster effect\n\nprecision highp float;\n\nvarying vec2 vTexCoord;\n\nuniform sampler2D tex0;\nuniform float filterParameter;\n\nvec3 quantize(vec3 color, float n) {\n // restrict values to N options/bins\n // and floor each channel to nearest value\n //\n // eg. when N = 5, values = 0.0, 0.25, 0.50, 0.75, 1.0\n // then quantize (0.1, 0.7, 0.9) -> (0.0, 0.5, 1.0)\n\n color = color * n;\n color = floor(color);\n color = color / (n - 1.0);\n return color;\n}\n\nvoid main() {\n vec4 color = texture2D(tex0, vTexCoord);\n\n vec3 restrictedColor = quantize(color.rgb / color.a, filterParameter);\n\n gl_FragColor = vec4(restrictedColor.rgb * color.a, color.a);\n}\n"),j(e,l.OPAQUE,"// Set alpha channel to entirely opaque\n\nprecision highp float;\n\nvarying vec2 vTexCoord;\n\nuniform sampler2D tex0;\n\nvoid main() {\n vec4 color = texture2D(tex0, vTexCoord);\n gl_FragColor = vec4(color.rgb / color.a, 1.0);\n}\n"),j(e,l.INVERT,"// Set each pixel to inverse value\n// Note that original INVERT does not change the opacity, so this follows suit\n\nprecision highp float;\n\nvarying vec2 vTexCoord;\n\nuniform sampler2D tex0;\n\nvoid main() {\nvec4 color = texture2D(tex0, vTexCoord);\nvec3 origColor = color.rgb / color.a;\nvec3 invertedColor = vec3(1.0) - origColor;\ngl_FragColor = vec4(invertedColor * color.a, color.a);\n}\n"),j(e,l.THRESHOLD,"// Convert pixels to either white or black, \n// depending on if their luma is above or below filterParameter\n\nprecision highp float;\n\nvarying vec2 vTexCoord;\n\nuniform sampler2D tex0;\nuniform float filterParameter;\n\nfloat luma(vec3 color) {\n // weighted grayscale with luminance values\n return dot(color, vec3(0.2126, 0.7152, 0.0722));\n}\n\nvoid main() {\n vec4 color = texture2D(tex0, vTexCoord);\n float gray = luma(color.rgb / color.a);\n // floor() used to match src/image/filters.js\n float threshold = floor(filterParameter * 255.0) / 255.0;\n float blackOrWhite = step(threshold, gray);\n gl_FragColor = vec4(vec3(blackOrWhite) * color.a, color.a);\n}\n");var k=e;function O(e,t,r,o,n,s,i,a,l,u){var c=t.getParameter(t.FRAMEBUFFER_BINDING),r=(t.bindFramebuffer(t.FRAMEBUFFER,r),a===t.RGBA?4:3),d=s*i*r,h=l===t.UNSIGNED_BYTE?Uint8Array:Float32Array;if(e instanceof h&&e.length===d||(e=new h(d)),t.readPixels(o,u?u-n-i:n,s,i,a,l,e),t.bindFramebuffer(t.FRAMEBUFFER,c),u)for(var f=Math.floor(i/2),p=new h(s*r),m=0;m>7,127&d,c>>7,127&c);for(var h=0;h>7,127&f,0,0)}}return{cellImageInfo:a,dimOffset:t,dimImageInfo:n}}}}]),t}();B.default.RendererGL.prototype._renderText=function(e,t,r,o,n){if(this._textFont&&"string"!=typeof this._textFont){if(!(n<=o)&&this._doFill){if(this._isOpenType()){e.push();var n=this._doStroke,s=this.drawMode,i=(this._doStroke=!1,this.drawMode=E.TEXTURE,this._textFont.font),a=(a=this._textFont._fontInfo)||(this._textFont._fontInfo=new M(i)),r=this._textFont._handleAlignment(this,t,r,o),o=this._textSize/i.unitsPerEm,l=(this.translate(r.x,r.y,0),this.scale(o,o,1),this.GL),r=!this._defaultFontShader,u=this._getFontShader(),c=(u.init(),u.bindShader(),r&&(u.setUniform("uGridImageSize",[64,64]),u.setUniform("uCellsImageSize",[64,64]),u.setUniform("uStrokeImageSize",[64,64]),u.setUniform("uGridSize",[9,9])),this._applyColorBlend(this.curFillColor),this.retainedMode.geometry.glyph),d=(c||((o=this._textGeom=new B.default.Geometry(1,1,function(){for(var e=0;e<=1;e++)for(var t=0;t<=1;t++)this.vertices.push(new B.default.Vector(t,e,0)),this.uvs.push(t,e)})).computeFaces().computeNormals(),c=this.createBuffers("glyph",o)),!0),r=!1,o=void 0;try{for(var h,f=this.retainedMode.buffers.text[Symbol.iterator]();!(d=(h=f.next()).done);d=!0)h.value._prepareBuffer(c,u)}catch(e){r=!0,o=e}finally{try{d||null==f.return||f.return()}finally{if(r)throw o}}this._bindBuffer(c.indexBuffer,l.ELEMENT_ARRAY_BUFFER),u.setUniform("uMaterialColor",this.curFillColor),l.pixelStorei(l.UNPACK_PREMULTIPLY_ALPHA_WEBGL,!1);try{var p=0,m=null,y=i.stringToGlyphs(t),g=!0,v=!1,b=void 0;try{for(var j,_=y[Symbol.iterator]();!(g=(j=_.next()).done);g=!0){var x,w,S=j.value,T=(m&&(p+=i.getKerningValue(m,S)),a.getGlyphInfo(S));T.uGlyphRect&&(x=T.rowInfo,w=T.colInfo,u.setUniform("uSamplerStrokes",T.strokeImageInfo.imageData),u.setUniform("uSamplerRowStrokes",x.cellImageInfo.imageData),u.setUniform("uSamplerRows",x.dimImageInfo.imageData),u.setUniform("uSamplerColStrokes",w.cellImageInfo.imageData),u.setUniform("uSamplerCols",w.dimImageInfo.imageData),u.setUniform("uGridOffset",T.uGridOffset),u.setUniform("uGlyphRect",T.uGlyphRect),u.setUniform("uGlyphOffset",p),u.bindTextures(),l.drawElements(l.TRIANGLES,6,this.GL.UNSIGNED_SHORT,0)),p+=S.advanceWidth,m=S}}catch(e){v=!0,b=e}finally{try{g||null==_.return||_.return()}finally{if(v)throw b}}}finally{u.unbindShader(),this._doStroke=n,this.drawMode=s,l.pixelStorei(l.UNPACK_PREMULTIPLY_ALPHA_WEBGL,!0),e.pop()}}else console.log("WEBGL: only Opentype (.otf) and Truetype (.ttf) fonts are supported");return e}}else console.log("WEBGL: you must load and set a font before drawing text. See `loadFont` and `textFont` for more details.")}},{"../core/constants":272,"../core/main":283,"./p5.RendererGL.Retained":340,"./p5.Shader":342,"core-js/modules/es.array.iterator":165,"core-js/modules/es.object.get-own-property-descriptor":186,"core-js/modules/es.object.to-string":190,"core-js/modules/es.regexp.exec":195,"core-js/modules/es.string.iterator":200,"core-js/modules/es.string.split":206,"core-js/modules/es.string.sub":208,"core-js/modules/es.symbol":212,"core-js/modules/es.symbol.description":210,"core-js/modules/es.symbol.iterator":211,"core-js/modules/es.weak-map":244,"core-js/modules/web.dom-collections.iterator":246}]},{},[267])(267)}); \ No newline at end of file diff --git a/examples/svg-url-encoded/lib/p5.grain.min.js b/examples/svg-url-encoded/lib/p5.grain.min.js index 5f132fa..bdb8a1b 100644 --- a/examples/svg-url-encoded/lib/p5.grain.min.js +++ b/examples/svg-url-encoded/lib/p5.grain.min.js @@ -1,8 +1,8 @@ /**! * p5.grain * - * @version 0.7.0 + * @version 0.8.0 * @license MIT * @copyright meezwhite, Gorilla Sun */ -class P5Grain{version="0.7.0";instance;#t;#i;#n;constructor(){this.#t=Math.random,this.#i={frameCount:0},this.#n={frameCount:0,tX_anchor:0,tX:0,tY:0}}setup(t){void 0===t?this.#t=random:"object"==typeof t&&("function"==typeof t.random&&(this.#t=t.random),"object"==typeof t.instance&&(this.instance=t.instance))}granulateSimple(t,i,n){this.applyMonochromaticGrain(t,i,n)}applyMonochromaticGrain(t,i,n){const e=this.instance?this.instance.round(t):round(t),a=i||!1;n?n.loadPixels():this.instance?this.instance.loadPixels():loadPixels();const s=n?n.pixelDensity():this.instance?this.instance.pixelDensity():pixelDensity(),r=(n?n.width:this.instance?this.instance.width:width)*s*4*((n?n.height:this.instance?this.instance.height:height)*s),h=n?n.pixels:this.instance?this.instance.pixels:pixels;for(let t=0;t=n){const n=i&&i.amount?this.instance?this.instance.round(i.amount):round(i.amount):this.instance?this.instance.min(this.instance.width,this.instance.height):min(width,height),e=this.#t()*n,a=this.#t()*n,s=this.instance?this.instance.floor(e):floor(e),r=this.instance?this.instance.floor(a):floor(a),h=`${s}px ${r}px`;t instanceof HTMLElement?t.style.backgroundPosition=h:t instanceof SVGElement?(t.style.top=-r+"px",t.style.left=-s+"px"):t instanceof p5.Element&&t.style("background-position",h),this.#i.frameCount=0}}textureOverlay(t,i,n){const e=n instanceof p5.Graphics,a=e?n.width:this.instance?this.instance.width:width,s=e?n.height:this.instance?this.instance.height:height,r=i&&i.mode?i.mode:this.instance?this.instance.MULTIPLY:MULTIPLY,h=!(!i||!i.reflect)&&i.reflect,o=!(!i||!i.animate)&&i.animate,c=i&&i.animate&&i.animate.atFrame?this.instance?this.instance.round(i.animate.atFrame):round(i.animate.atFrame):2,l=i&&i.animate&&i.animate.amount?this.instance?this.instance.round(i.animate.amount):round(i.animate.amount):this.instance?this.instance.min(a,s):min(a,s),p=i&&"number"==typeof i.width?i.width:t.width,u=i&&"number"==typeof i.height?i.height:t.height;if(o&&(this.#n.frameCount+=1,this.#n.frameCount>=c)){const t=this.#t()*l,i=this.#t()*l;this.#n.tX_anchor=this.instance?-this.instance.floor(t):-floor(t),this.#n.tY=this.instance?-this.instance.floor(i):-floor(i),this.#n.frameCount=0}let m=this.#n.tX_anchor,d=this.#n.tY,x=!0,g=!0;for(n?n.blendMode(r):this.instance?this.instance.blendMode(r):blendMode(r);d=a){g=!0,m=this.#n.tX_anchor,d+=u;break}g=!g}x=!x}n?n.blendMode(this.instance?this.instance.BLEND:BLEND):this.instance?this.instance.blendMode(this.instance.BLEND):blendMode(BLEND),e&&n.reset()}#e(t,i){return t=Math.ceil(t),i=Math.floor(i),Math.floor(this.#t()*(i-t+1)+t)}}const p5grain=new P5Grain;p5.prototype.granulateSimple=function(t,i){return p5grain.granulateSimple(t,i)},p5.Graphics.prototype.granulateSimple=function(t,i){return p5grain.granulateSimple(t,i,this)},p5.prototype.granulateChannels=function(t,i){return p5grain.granulateChannels(t,i)},p5.Graphics.prototype.granulateChannels=function(t,i){return p5grain.granulateChannels(t,i,this)},p5.prototype.applyMonochromaticGrain=function(t,i){return p5grain.applyMonochromaticGrain(t,i)},p5.Graphics.prototype.applyMonochromaticGrain=function(t,i){return p5grain.applyMonochromaticGrain(t,i,this)},p5.prototype.applyChromaticGrain=function(t,i){return p5grain.applyChromaticGrain(t,i)},p5.Graphics.prototype.applyChromaticGrain=function(t,i){return p5grain.applyChromaticGrain(t,i,this)},p5.prototype.tinkerPixels=function(t,i){return p5grain.tinkerPixels(t,i)},p5.Graphics.prototype.tinkerPixels=function(t,i){return p5grain.tinkerPixels(t,i,this)},p5.prototype.loopPixels=function(t,i){return p5grain.loopPixels(t,i)},p5.Graphics.prototype.loopPixels=function(t,i){return p5grain.loopPixels(t,i,this)},p5.prototype.textureAnimate=function(t,i){return p5grain.textureAnimate(t,i)},p5.prototype.textureOverlay=function(t,i){return p5grain.textureOverlay(t,i)},p5.Graphics.prototype.textureOverlay=function(t,i){return p5grain.textureOverlay(t,i,this)}; +class P5Grain{version="0.8.0";instance;#t;#i;#e;#n;#a;constructor(){this.#s("float"),this.#n={frameCount:0},this.#a={frameCount:0,tX_anchor:0,tX:0,tY:0}}setup(t){"object"==typeof t&&("function"==typeof t.random&&(this.#t=t.random),"string"==typeof t.randomMode&&this.#s(t.randomMode),"object"==typeof t.instance&&(this.instance=t.instance)),void 0===this.#t&&(this.#t=p5.prototype.random)}applyMonochromaticGrain(t,i,e){const n=i||!1;let a,s,r,o;e?(e.loadPixels(),a=e.pixelDensity(),s=e.width,r=e.height,o=e.pixels):this.instance?(this.instance.loadPixels(),a=this.instance.pixelDensity(),s=this.instance.width,r=this.instance.height,o=this.instance.pixels):(loadPixels(),a=pixelDensity(),s=width,r=height,o=pixels);const h=s*a*4*(r*a),{min:p,max:c}=this.#r(-t,t);for(let t=0;t=e){const e=i&&i.amount?Math.round(i.amount):this.instance?Math.min(this.instance.width,this.instance.height):Math.min(width,height),n=this.#t()*e,a=this.#t()*e,s=Math.floor(n),r=Math.floor(a),o=`${s}px ${r}px`;t instanceof HTMLElement?t.style.backgroundPosition=o:t instanceof SVGElement?(t.style.top=-r+"px",t.style.left=-s+"px"):t instanceof p5.Element&&t.style("background-position",o),this.#n.frameCount=0}}textureOverlay(t,i,e){const n=e instanceof p5.Graphics;let a,s;n?(a=e.width,s=e.height):this.instance?(a=this.instance.width,s=this.instance.height):(a=width,s=height);const r=i&&i.mode?i.mode:this.instance?this.instance.MULTIPLY:MULTIPLY,o=!(!i||!i.reflect)&&i.reflect,h=!(!i||!i.animate)&&i.animate,p=i&&i.animate&&i.animate.atFrame?Math.round(i.animate.atFrame):2,c=i&&i.animate&&i.animate.amount?Math.round(i.animate.amount):Math.min(a,s),l=i&&"number"==typeof i.width?i.width:t.width,m=i&&"number"==typeof i.height?i.height:t.height;if(h&&(this.#a.frameCount+=1,this.#a.frameCount>=p)){const t=this.#t()*c,i=this.#t()*c;this.#a.tX_anchor=-Math.floor(t),this.#a.tY=-Math.floor(i),this.#a.frameCount=0}let d=this.#a.tX_anchor,u=this.#a.tY,x=!0,y=!0;for(e?e.blendMode(r):this.instance?this.instance.blendMode(r):blendMode(r);u=a){y=!0,d=this.#a.tX_anchor,u+=m;break}y=!y}x=!x}e?e.blendMode(this.instance?this.instance.BLEND:BLEND):this.instance?this.instance.blendMode(this.instance.BLEND):blendMode(BLEND),n&&e.reset()}#s(t){switch(t){case"int":this.#e=1,this.#i=this.#o;break;case"float":this.#e=0,this.#i=this.#h}}#r(t,i){return 1==this.#e?{min:Math.ceil(t),max:Math.floor(i)}:{min:t,max:i}}#o(t,i){return Math.floor(this.#t()*(i-t+1)+t)}#h(t,i){return this.#t()*(i-t)+t}}const p5grain=new P5Grain;p5.prototype.applyMonochromaticGrain=function(t,i){return p5grain.applyMonochromaticGrain(t,i)},p5.Graphics.prototype.applyMonochromaticGrain=function(t,i){return p5grain.applyMonochromaticGrain(t,i,this)},p5.Image.prototype.applyMonochromaticGrain=function(t,i){return p5grain.applyMonochromaticGrain(t,i,this)},p5.prototype.applyChromaticGrain=function(t,i){return p5grain.applyChromaticGrain(t,i)},p5.Graphics.prototype.applyChromaticGrain=function(t,i){return p5grain.applyChromaticGrain(t,i,this)},p5.Image.prototype.applyChromaticGrain=function(t,i){return p5grain.applyChromaticGrain(t,i,this)},p5.prototype.tinkerPixels=function(t,i){return p5grain.tinkerPixels(t,i)},p5.Graphics.prototype.tinkerPixels=function(t,i){return p5grain.tinkerPixels(t,i,this)},p5.Image.prototype.tinkerPixels=function(t,i){return p5grain.tinkerPixels(t,i,this)},p5.prototype.loopPixels=function(t,i){return p5grain.loopPixels(t,i)},p5.Graphics.prototype.loopPixels=function(t,i){return p5grain.loopPixels(t,i,this)},p5.Image.prototype.loopPixels=function(t,i){return p5grain.loopPixels(t,i,this)},p5.prototype.textureAnimate=function(t,i){return p5grain.textureAnimate(t,i)},p5.prototype.textureOverlay=function(t,i){return p5grain.textureOverlay(t,i)},p5.Graphics.prototype.textureOverlay=function(t,i){return p5grain.textureOverlay(t,i,this)}; diff --git 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                                                                              Grid Output

                                                                                '),this.dummyDOM.querySelector(i)?this.dummyDOM.querySelector(i).insertAdjacentHTML("afterend",n):this.dummyDOM.querySelector("#".concat(o)).innerHTML=n,this._accessibleOutputs[r].map=this.dummyDOM.querySelector("#".concat(r,"_map"))),this._accessibleOutputs[r].shapeDetails=this.dummyDOM.querySelector("#".concat(r,"_shapeDetails")),this._accessibleOutputs[r].summary=this.dummyDOM.querySelector("#".concat(r,"_summary"))},o.default.prototype._updateAccsOutput=function(){var e=this.canvas.id;JSON.stringify(this.ingredients.shapes)!==this.ingredients.pShapes&&(this.ingredients.pShapes=JSON.stringify(this.ingredients.shapes),this._accessibleOutputs.text&&this._updateTextOutput(e+"textOutput"),this._accessibleOutputs.grid&&this._updateGridOutput(e+"gridOutput"),this._accessibleOutputs.textLabel&&this._updateTextOutput(e+"textOutputLabel"),this._accessibleOutputs.gridLabel&&this._updateGridOutput(e+"gridOutputLabel"))},o.default.prototype._accsBackground=function(e){this.ingredients.pShapes=JSON.stringify(this.ingredients.shapes),this.ingredients.shapes={},this.ingredients.colors.backgroundRGBA!==e&&(this.ingredients.colors.backgroundRGBA=e,this.ingredients.colors.background=this._rgbColorName(e))},o.default.prototype._accsCanvasColors=function(e,t){"fill"===e?this.ingredients.colors.fillRGBA!==t&&(this.ingredients.colors.fillRGBA=t,this.ingredients.colors.fill=this._rgbColorName(t)):"stroke"===e&&this.ingredients.colors.strokeRGBA!==t&&(this.ingredients.colors.strokeRGBA=t,this.ingredients.colors.stroke=this._rgbColorName(t))},o.default.prototype._accsOutput=function(e,t){"ellipse"===e&&t[2]===t[3]?e="circle":"rectangle"===e&&t[2]===t[3]&&(e="square");var r,o,n={},s=!0,i=function(e,t){var r;e="rectangle"===e||"ellipse"===e||"arc"===e||"circle"===e||"square"===e?(r=Math.round(t[0]+t[2]/2),Math.round(t[1]+t[3]/2)):"triangle"===e?(r=(t[0]+t[2]+t[4])/3,(t[1]+t[3]+t[5])/3):"quadrilateral"===e?(r=(t[0]+t[2]+t[4]+t[6])/4,(t[1]+t[3]+t[5]+t[7])/4):"line"===e?(r=(t[0]+t[2])/2,(t[1]+t[3])/2):(r=t[0],t[1]);return[r,e]}(e,t);if("line"===e?(n.color=this.ingredients.colors.stroke,n.length=Math.round(this.dist(t[0],t[1],t[2],t[3])),r=this._getPos(t[0],[1]),o=this._getPos(t[2],[3]),n.loc=u(i,this.width,this.height),n.pos=r===o?"at ".concat(r):"from ".concat(r," to ").concat(o)):("point"===e?n.color=this.ingredients.colors.stroke:(n.color=this.ingredients.colors.fill,n.area=this._getArea(e,t)),n.pos=this._getPos.apply(this,l(i)),n.loc=u(i,this.width,this.height)),this.ingredients.shapes[e]){if(this.ingredients.shapes[e]!==[n]){for(var a in this.ingredients.shapes[e])JSON.stringify(this.ingredients.shapes[e][a])===JSON.stringify(n)&&(s=!1);!0===s&&this.ingredients.shapes[e].push(n)}}else this.ingredients.shapes[e]=[n]},o.default.prototype._getPos=function(e,t){var e=new DOMPointReadOnly(e,t),t=this._renderer.isP3D?new DOMMatrix(this._renderer.uMVMatrix.mat4):this.drawingContext.getTransform(),e=e.matrixTransform(t),t=e.x,e=e.y,r=this.width,o=this.height;return t<.4*r?e<.4*o?"top left":.6*oMath.PI?n+=o:n-=o)):"ellipse"===e||"circle"===e?n=3.14*t[2]/2*t[3]/2:"line"===e||"point"===e?n=0:"quadrilateral"===e?n=Math.abs((t[6]+t[0])*(t[7]-t[1])+(t[0]+t[2])*(t[1]-t[3])+(t[2]+t[4])*(t[3]-t[5])+(t[4]+t[6])*(t[5]-t[7]))/2:"rectangle"===e||"square"===e?n=t[2]*t[3]:"triangle"===e&&(n=Math.abs(t[0]*(t[3]-t[5])+t[2]*(t[5]-t[1])+t[4]*(t[1]-t[3]))/2),this.width*this._pixelDensity),i=this.height*this._pixelDensity,a=[new DOMPoint(0,0),new DOMPoint(s,0),new DOMPoint(s,i),new DOMPoint(0,i)],l=(this._renderer.isP3D?new DOMMatrix(this._renderer.uMVMatrix.mat4):this.drawingContext.getTransform()).inverse(),u=a.map(function(e){return e.matrixTransform(l)}),c=Math.abs((u[3].x+u[0].x)*(u[3].y-u[0].y)+(u[0].x+u[1].x)*(u[0].y-u[1].y)+(u[1].x+u[2].x)*(u[1].y-u[2].y)+(u[2].x+u[3].x)*(u[2].y-u[3].y))/2;return Math.round(100*n/c)};e=o.default;r.default=e},{"../core/main":275,"core-js/modules/es.array.concat":151,"core-js/modules/es.array.fill":154,"core-js/modules/es.array.from":158,"core-js/modules/es.array.iterator":161,"core-js/modules/es.array.map":164,"core-js/modules/es.number.to-fixed":175,"core-js/modules/es.object.to-string":182,"core-js/modules/es.regexp.to-string":188,"core-js/modules/es.string.iterator":192,"core-js/modules/es.symbol":204,"core-js/modules/es.symbol.description":202,"core-js/modules/es.symbol.iterator":203,"core-js/modules/web.dom-collections.iterator":238}],258:[function(e,t,r){"use strict";e("core-js/modules/es.array.concat"),e("core-js/modules/es.array.concat"),Object.defineProperty(r,"__esModule",{value:!0}),r.default=void 0;e=(e=e("../core/main"))&&e.__esModule?e:{default:e};e.default.prototype._updateTextOutput=function(e){var t,r,o,n;this.dummyDOM.querySelector("#".concat(e,"_summary"))&&(t=this._accessibleOutputs[e],o=function(e,t,r,o){r="Your output is a, ".concat(r," by ").concat(o," pixels, ").concat(t," canvas containing the following");r=1===e?"".concat(r," shape:"):"".concat(r," ").concat(e," shapes:");return r}((r=function(e,t){var r,o="",n=0;for(r in t)for(var s in t[r]){var i='
                                                                              • ').concat(t[r][s].color," ").concat(r,"");"line"===r?i+=", ".concat(t[r][s].pos,", ").concat(t[r][s].length," pixels long.
                                                                                • "):(i+=", at ".concat(t[r][s].pos),"point"!==r&&(i+=", covering ".concat(t[r][s].area,"% of the canvas")),i+="."),o+=i,n++}return{numShapes:n,listShapes:o}}(e,this.ingredients.shapes)).numShapes,this.ingredients.colors.background,this.width,this.height),n=function(e,t){var r,o="",n=0;for(r in t)for(var s in t[r]){var i='').concat(t[r][s].color," ").concat(r,"");"line"===r?i+="location = ".concat(t[r][s].pos,"length = ").concat(t[r][s].length," pixels"):(i+="location = ".concat(t[r][s].pos,""),"point"!==r&&(i+=" area = ".concat(t[r][s].area,"%")),i+=""),o+=i,n++}return 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curve (after t1)?\n if (y1 ? !y2 : y0) {\n // add the coverage for t1\n coverage.x += saturate(C1.x + 0.5);\n // calculate the anti-aliasing for t1\n weight.x = min(weight.x, abs(C1.x));\n }\n\n // are we outside the curve (after t2)?\n if (y1 ? !y0 : y2) {\n // subtract the coverage for t2\n coverage.x -= saturate(C2.x + 0.5);\n // calculate the anti-aliasing for t2\n weight.x = min(weight.x, abs(C2.x));\n }\n}\n\n// this is essentially the same as coverageX, but with the axes swapped\nvoid coverageY(vec2 p0, vec2 p1, vec2 p2) {\n\n vec2 C1, C2;\n calulateCrossings(p0, p1, p2, C1, C2);\n\n bool x0 = p0.x > vTexCoord.x;\n bool x1 = p1.x > vTexCoord.x;\n bool x2 = p2.x > vTexCoord.x;\n\n if (x1 ? !x2 : x0) {\n coverage.y -= saturate(C1.y + 0.5);\n weight.y = min(weight.y, abs(C1.y));\n }\n\n if (x1 ? !x0 : x2) {\n coverage.y += saturate(C2.y + 0.5);\n weight.y = min(weight.y, abs(C2.y));\n }\n}\n\nvoid main() {\n\n // calculate the pixel scale based on screen-coordinates\n pixelScale = hardness / fwidth(vTexCoord);\n\n // which grid cell is this pixel in?\n ivec2 gridCoord = ifloor(vTexCoord * vec2(uGridSize));\n\n // intersect curves in this row\n {\n // the index into the row info bitmap\n int rowIndex = gridCoord.y + uGridOffset.y;\n // fetch the info texel\n vec4 rowInfo = getTexel(uSamplerRows, rowIndex, uGridImageSize);\n // unpack the rowInfo\n int rowStrokeIndex = getInt16(rowInfo.xy);\n int rowStrokeCount = getInt16(rowInfo.zw);\n\n for (int iRowStroke = INT(0); iRowStroke < N; iRowStroke++) {\n if (iRowStroke >= rowStrokeCount)\n break;\n\n // each stroke is made up of 3 points: the start and control point\n // and the start of the next curve.\n // fetch the indices of this pair of strokes:\n vec4 strokeIndices = getTexel(uSamplerRowStrokes, rowStrokeIndex++, uCellsImageSize);\n\n // unpack the stroke index\n int strokePos = getInt16(strokeIndices.xy);\n\n // fetch the two strokes\n vec4 stroke0 = getTexel(uSamplerStrokes, strokePos + INT(0), uStrokeImageSize);\n vec4 stroke1 = getTexel(uSamplerStrokes, strokePos + INT(1), uStrokeImageSize);\n\n // calculate the coverage\n coverageX(stroke0.xy, stroke0.zw, stroke1.xy);\n }\n }\n\n // intersect curves in this column\n {\n int colIndex = gridCoord.x + uGridOffset.x;\n vec4 colInfo = getTexel(uSamplerCols, colIndex, uGridImageSize);\n int colStrokeIndex = getInt16(colInfo.xy);\n int colStrokeCount = getInt16(colInfo.zw);\n \n for (int iColStroke = INT(0); iColStroke < N; iColStroke++) {\n if (iColStroke >= colStrokeCount)\n break;\n\n vec4 strokeIndices = getTexel(uSamplerColStrokes, colStrokeIndex++, uCellsImageSize);\n\n int strokePos = getInt16(strokeIndices.xy);\n vec4 stroke0 = getTexel(uSamplerStrokes, strokePos + INT(0), uStrokeImageSize);\n vec4 stroke1 = getTexel(uSamplerStrokes, strokePos + INT(1), uStrokeImageSize);\n coverageY(stroke0.xy, stroke0.zw, stroke1.xy);\n }\n }\n\n weight = saturate(1.0 - weight * 2.0);\n float distance = max(weight.x + weight.y, minDistance); // manhattan approx.\n float antialias = abs(dot(coverage, weight) / distance);\n float cover = min(abs(coverage.x), abs(coverage.y));\n OUT_COLOR = vec4(uMaterialColor.rgb, 1.) * uMaterialColor.a;\n OUT_COLOR *= saturate(max(antialias, cover));\n}\n",lineVert:T+"/*\n Part of the Processing project - http://processing.org\n Copyright (c) 2012-15 The Processing Foundation\n Copyright (c) 2004-12 Ben Fry and Casey Reas\n Copyright (c) 2001-04 Massachusetts Institute of Technology\n This library is free software; you can redistribute it and/or\n modify it under the terms of the GNU Lesser General Public\n License as published by the Free Software Foundation, version 2.1.\n This library is distributed in the hope that it will be useful,\n but WITHOUT ANY WARRANTY; without even the implied warranty of\n MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU\n Lesser General Public License for more details.\n You should have received a copy of the GNU Lesser General\n Public License along with this library; if not, write to the\n Free Software Foundation, Inc., 59 Temple Place, Suite 330,\n Boston, MA 02111-1307 USA\n*/\n\n#define PROCESSING_LINE_SHADER\n\nprecision mediump int;\n\nuniform mat4 uModelViewMatrix;\nuniform mat4 uProjectionMatrix;\nuniform float uStrokeWeight;\n\nuniform bool uUseLineColor;\nuniform vec4 uMaterialColor;\n\nuniform vec4 uViewport;\nuniform int uPerspective;\nuniform int uStrokeJoin;\n\nIN vec4 aPosition;\nIN vec3 aTangentIn;\nIN vec3 aTangentOut;\nIN float aSide;\nIN vec4 aVertexColor;\n\nOUT vec4 vColor;\nOUT vec2 vTangent;\nOUT vec2 vCenter;\nOUT vec2 vPosition;\nOUT float vMaxDist;\nOUT float vCap;\nOUT float vJoin;\n\nvec2 lineIntersection(vec2 aPoint, vec2 aDir, vec2 bPoint, vec2 bDir) {\n // Rotate and translate so a starts at the origin and goes out to the right\n bPoint -= aPoint;\n vec2 rotatedBFrom = vec2(\n bPoint.x*aDir.x + bPoint.y*aDir.y,\n bPoint.y*aDir.x - bPoint.x*aDir.y\n );\n vec2 bTo = bPoint + bDir;\n vec2 rotatedBTo = vec2(\n bTo.x*aDir.x + bTo.y*aDir.y,\n bTo.y*aDir.x - bTo.x*aDir.y\n );\n float intersectionDistance =\n rotatedBTo.x + (rotatedBFrom.x - rotatedBTo.x) * rotatedBTo.y /\n (rotatedBTo.y - rotatedBFrom.y);\n return aPoint + aDir * intersectionDistance;\n}\n\nvoid main() {\n // Caps have one of either the in or out tangent set to 0\n vCap = (aTangentIn == vec3(0.)) != (aTangentOut == (vec3(0.)))\n ? 1. : 0.;\n\n // Joins have two unique, defined tangents\n vJoin = (\n aTangentIn != vec3(0.) &&\n aTangentOut != vec3(0.) &&\n aTangentIn != aTangentOut\n ) ? 1. : 0.;\n\n vec4 posp = uModelViewMatrix * aPosition;\n vec4 posqIn = uModelViewMatrix * (aPosition + vec4(aTangentIn, 0));\n vec4 posqOut = uModelViewMatrix * (aPosition + vec4(aTangentOut, 0));\n\n float facingCamera = pow(\n // The word space tangent's z value is 0 if it's facing the camera\n abs(normalize(posqIn-posp).z),\n\n // Using pow() here to ramp `facingCamera` up from 0 to 1 really quickly\n // so most lines get scaled and don't get clipped\n 0.25\n );\n\n // using a scale <1 moves the lines towards the camera\n // in order to prevent popping effects due to half of\n // the line disappearing behind the geometry faces.\n float scale = mix(1., 0.995, facingCamera);\n\n // Moving vertices slightly toward the camera\n // to avoid depth-fighting with the fill triangles.\n // Discussed here:\n // http://www.opengl.org/discussion_boards/ubbthreads.php?ubb=showflat&Number=252848 \n posp.xyz = posp.xyz * scale;\n posqIn.xyz = posqIn.xyz * scale;\n posqOut.xyz = posqOut.xyz * scale;\n\n vec4 p = uProjectionMatrix * posp;\n vec4 qIn = uProjectionMatrix * posqIn;\n vec4 qOut = uProjectionMatrix * posqOut;\n vCenter = p.xy;\n\n // formula to convert from clip space (range -1..1) to screen space (range 0..[width or height])\n // screen_p = (p.xy/p.w + <1,1>) * 0.5 * uViewport.zw\n\n // prevent division by W by transforming the tangent formula (div by 0 causes\n // the line to disappear, see https://github.com/processing/processing/issues/5183)\n // t = screen_q - screen_p\n //\n // tangent is normalized and we don't care which aDirection it points to (+-)\n // t = +- normalize( screen_q - screen_p )\n // t = +- normalize( (q.xy/q.w+<1,1>)*0.5*uViewport.zw - (p.xy/p.w+<1,1>)*0.5*uViewport.zw )\n //\n // extract common factor, <1,1> - <1,1> cancels out\n // t = +- normalize( (q.xy/q.w - p.xy/p.w) * 0.5 * uViewport.zw )\n //\n // convert to common divisor\n // t = +- normalize( ((q.xy*p.w - p.xy*q.w) / (p.w*q.w)) * 0.5 * uViewport.zw )\n //\n // remove the common scalar divisor/factor, not needed due to normalize and +-\n // (keep uViewport - can't remove because it has different components for x and y\n // and corrects for aspect ratio, see https://github.com/processing/processing/issues/5181)\n // t = +- normalize( (q.xy*p.w - p.xy*q.w) * uViewport.zw )\n\n vec2 tangentIn = normalize((qIn.xy*p.w - p.xy*qIn.w) * uViewport.zw);\n vec2 tangentOut = normalize((qOut.xy*p.w - p.xy*qOut.w) * uViewport.zw);\n\n vec2 curPerspScale;\n if(uPerspective == 1) {\n // Perspective ---\n // convert from world to clip by multiplying with projection scaling factor\n // to get the right thickness (see https://github.com/processing/processing/issues/5182)\n\n // The y value of the projection matrix may be flipped if rendering to a Framebuffer.\n // Multiplying again by its sign here negates the flip to get just the scale.\n curPerspScale = (uProjectionMatrix * vec4(1, sign(uProjectionMatrix[1][1]), 0, 0)).xy;\n } else {\n // No Perspective ---\n // multiply by W (to cancel out division by W later in the pipeline) and\n // convert from screen to clip (derived from clip to screen above)\n curPerspScale = p.w / (0.5 * uViewport.zw);\n }\n\n vec2 offset;\n if (vJoin == 1.) {\n vTangent = normalize(tangentIn + tangentOut);\n vec2 normalIn = vec2(-tangentIn.y, tangentIn.x);\n vec2 normalOut = vec2(-tangentOut.y, tangentOut.x);\n float side = sign(aSide);\n float sideEnum = abs(aSide);\n\n // We generate vertices for joins on either side of the centerline, but\n // the \"elbow\" side is the only one needing a join. By not setting the\n // offset for the other side, all its vertices will end up in the same\n // spot and not render, effectively discarding it.\n if (sign(dot(tangentOut, vec2(-tangentIn.y, tangentIn.x))) != side) {\n // Side enums:\n // 1: the side going into the join\n // 2: the middle of the join\n // 3: the side going out of the join\n if (sideEnum == 2.) {\n // Calculate the position + tangent on either side of the join, and\n // find where the lines intersect to find the elbow of the join\n vec2 c = (posp.xy/posp.w + vec2(1.,1.)) * 0.5 * uViewport.zw;\n vec2 intersection = lineIntersection(\n c + (side * normalIn * uStrokeWeight / 2.),\n tangentIn,\n c + (side * normalOut * uStrokeWeight / 2.),\n tangentOut\n );\n offset = (intersection - c);\n\n // When lines are thick and the angle of the join approaches 180, the\n // elbow might be really far from the center. We'll apply a limit to\n // the magnitude to avoid lines going across the whole screen when this\n // happens.\n float mag = length(offset);\n float maxMag = 3. * uStrokeWeight;\n if (mag > maxMag) {\n offset *= maxMag / mag;\n }\n } else if (sideEnum == 1.) {\n offset = side * normalIn * uStrokeWeight / 2.;\n } else if (sideEnum == 3.) {\n offset = side * normalOut * uStrokeWeight / 2.;\n }\n }\n if (uStrokeJoin == STROKE_JOIN_BEVEL) {\n vec2 avgNormal = vec2(-vTangent.y, vTangent.x);\n vMaxDist = abs(dot(avgNormal, normalIn * uStrokeWeight / 2.));\n } else {\n vMaxDist = uStrokeWeight / 2.;\n }\n } else {\n vec2 tangent = aTangentIn == vec3(0.) ? tangentOut : tangentIn;\n vTangent = tangent;\n vec2 normal = vec2(-tangent.y, tangent.x);\n\n float normalOffset = sign(aSide);\n // Caps will have side values of -2 or 2 on the edge of the cap that\n // extends out from the line\n float tangentOffset = abs(aSide) - 1.;\n offset = (normal * normalOffset + tangent * tangentOffset) *\n uStrokeWeight * 0.5;\n vMaxDist = uStrokeWeight / 2.;\n }\n vPosition = vCenter + offset;\n\n gl_Position.xy = p.xy + offset.xy * curPerspScale;\n gl_Position.zw = p.zw;\n \n vColor = (uUseLineColor ? aVertexColor : uMaterialColor);\n}\n",lineFrag:T+"precision mediump int;\n\nuniform vec4 uMaterialColor;\nuniform int uStrokeCap;\nuniform int uStrokeJoin;\nuniform float uStrokeWeight;\n\nIN vec4 vColor;\nIN vec2 vTangent;\nIN vec2 vCenter;\nIN vec2 vPosition;\nIN float vMaxDist;\nIN float vCap;\nIN float vJoin;\n\nfloat distSquared(vec2 a, vec2 b) {\n vec2 aToB = b - a;\n return dot(aToB, aToB);\n}\n\nvoid main() {\n if (vCap > 0.) {\n if (\n uStrokeCap == STROKE_CAP_ROUND &&\n distSquared(vPosition, vCenter) > uStrokeWeight * uStrokeWeight * 0.25\n ) {\n discard;\n } else if (\n uStrokeCap == STROKE_CAP_SQUARE &&\n dot(vPosition - vCenter, vTangent) > 0.\n ) {\n discard;\n }\n // Use full area for PROJECT\n } else if (vJoin > 0.) {\n if (\n uStrokeJoin == STROKE_JOIN_ROUND &&\n distSquared(vPosition, vCenter) > uStrokeWeight * uStrokeWeight * 0.25\n ) {\n discard;\n } else if (uStrokeJoin == STROKE_JOIN_BEVEL) {\n vec2 normal = vec2(-vTangent.y, vTangent.x);\n if (abs(dot(vPosition - vCenter, normal)) > vMaxDist) {\n discard;\n }\n }\n // Use full area for MITER\n }\n OUT_COLOR = vec4(vColor.rgb, 1.) * vColor.a;\n}\n",pointVert:"IN vec3 aPosition;\nuniform float uPointSize;\nOUT float vStrokeWeight;\nuniform mat4 uModelViewMatrix;\nuniform mat4 uProjectionMatrix;\nvoid main() {\n\tvec4 positionVec4 = vec4(aPosition, 1.0);\n\tgl_Position = uProjectionMatrix * uModelViewMatrix * positionVec4;\n\tgl_PointSize = uPointSize;\n\tvStrokeWeight = uPointSize;\n}\n",pointFrag:"precision mediump int;\nuniform vec4 uMaterialColor;\nIN float vStrokeWeight;\n\nvoid main(){\n float mask = 0.0;\n\n // make a circular mask using the gl_PointCoord (goes from 0 - 1 on a point)\n // might be able to get a nicer edge on big strokeweights with smoothstep but slightly less performant\n\n mask = step(0.98, length(gl_PointCoord * 2.0 - 1.0));\n\n // if strokeWeight is 1 or less lets just draw a square\n // this prevents weird artifacting from carving circles when our points are really small\n // if strokeWeight is larger than 1, we just use it as is\n\n mask = mix(0.0, mask, clamp(floor(vStrokeWeight - 0.5),0.0,1.0));\n\n // throw away the borders of the mask\n // otherwise we get weird alpha blending issues\n\n if(mask > 0.98){\n discard;\n }\n\n OUT_COLOR = vec4(uMaterialColor.rgb, 1.) * uMaterialColor.a;\n}\n",imageLightVert:"precision highp float;\nattribute vec3 aPosition;\nattribute vec3 aNormal;\nattribute vec2 aTexCoord;\n\nvarying vec3 localPos;\nvarying vec3 vWorldNormal;\nvarying vec3 vWorldPosition;\nvarying vec2 vTexCoord;\n\nuniform mat4 uModelViewMatrix;\nuniform mat4 uProjectionMatrix;\nuniform mat3 uNormalMatrix;\n\nvoid main() {\n // Multiply the position by the matrix.\n vec4 viewModelPosition = uModelViewMatrix * vec4(aPosition, 1.0);\n gl_Position = uProjectionMatrix * viewModelPosition; \n \n // orient the normals and pass to the fragment shader\n vWorldNormal = uNormalMatrix * aNormal;\n \n // send the view position to the fragment shader\n vWorldPosition = (uModelViewMatrix * vec4(aPosition, 1.0)).xyz;\n \n localPos = vWorldPosition;\n vTexCoord = aTexCoord;\n}\n\n\n/*\nin the vertex shader we'll compute the world position and world oriented normal of the vertices and pass those to the fragment shader as varyings.\n*/\n",imageLightDiffusedFrag:"precision highp float;\nvarying vec3 localPos;\n\n// the HDR cubemap converted (can be from an equirectangular environment map.)\nuniform sampler2D environmentMap;\nvarying vec2 vTexCoord;\n\nconst float PI = 3.14159265359;\n\nvec2 nTOE( vec3 v ){\n // x = r sin(phi) cos(theta) \n // y = r cos(phi) \n // z = r sin(phi) sin(theta)\n float phi = acos( v.y );\n // if phi is 0, then there are no x, z components\n float theta = 0.0;\n // else \n theta = acos(v.x / sin(phi));\n float sinTheta = v.z / sin(phi);\n if (sinTheta < 0.0) {\n // Turn it into -theta, but in the 0-2PI range\n theta = 2.0 * PI - theta;\n }\n theta = theta / (2.0 * 3.14159);\n phi = phi / 3.14159 ;\n \n vec2 angles = vec2( phi, theta );\n return angles;\n}\n\nvoid main()\n{ \t \n\t// the sample direction equals the hemisphere's orientation\n float phi = vTexCoord.x * 2.0 * PI;\n float theta = vTexCoord.y * PI;\n float x = sin(theta) * cos(phi);\n float y = sin(theta) * sin(phi);\n float z = cos(theta);\n vec3 normal = vec3( x, y, z);\n\n\t// Discretely sampling the hemisphere given the integral's\n // spherical coordinates translates to the following fragment code:\n\tvec3 irradiance = vec3(0.0); \n\tvec3 up\t= vec3(0.0, 1.0, 0.0);\n\tvec3 right = normalize(cross(up, normal));\n\tup = normalize(cross(normal, right));\n\n\t// We specify a fixed sampleDelta delta value to traverse\n // the hemisphere; decreasing or increasing the sample delta\n // will increase or decrease the accuracy respectively.\n\tconst float sampleDelta = 0.025;\n\tfloat nrSamples = 0.0;\n \n\tfor(float phi = 0.0; phi < 2.0 * PI; phi += sampleDelta)\n\t{\n for(float theta = 0.0; theta < ( 0.5 ) * PI; theta += sampleDelta)\n {\n // spherical to cartesian (in tangent space) // tangent space to world // add each sample result to irradiance\n float x = sin(theta) * cos(phi);\n float y = sin(theta) * sin(phi);\n float z = cos(theta);\n vec3 tangentSample = vec3( x, y, z);\n \n vec3 sampleVec = tangentSample.x * right + tangentSample.y * up + tangentSample.z * normal;\n irradiance += (texture2D(environmentMap, nTOE(sampleVec)).xyz) * cos(theta) * sin(theta);\n nrSamples++;\n }\n\t}\n\t// divide by the total number of samples taken, giving us the average sampled irradiance.\n\tirradiance = PI * irradiance * (1.0 / float(nrSamples )) ;\n \n \n\tgl_FragColor = vec4(irradiance, 1.0);\n}",imageLightSpecularFrag:"precision highp float;\r\nvarying vec3 localPos;\r\nvarying vec2 vTexCoord;\r\n\r\n// our texture\r\nuniform sampler2D environmentMap;\r\nuniform float roughness;\r\n\r\nconst float PI = 3.14159265359;\r\n\r\nfloat VanDerCorput(int bits);\r\nvec2 HammersleyNoBitOps(int i, int N);\r\nvec3 ImportanceSampleGGX(vec2 Xi, vec3 N, float roughness);\r\n\r\n\r\nvec2 nTOE( vec3 v ){\r\n // x = r sin(phi) cos(theta) \r\n // y = r cos(phi) \r\n // z = r sin(phi) sin(theta)\r\n float phi = acos( v.y );\r\n // if phi is 0, then there are no x, z components\r\n float theta = 0.0;\r\n // else \r\n theta = acos(v.x / sin(phi));\r\n float sinTheta = v.z / sin(phi);\r\n if (sinTheta < 0.0) {\r\n // Turn it into -theta, but in the 0-2PI range\r\n theta = 2.0 * PI - theta;\r\n }\r\n theta = theta / (2.0 * 3.14159);\r\n phi = phi / 3.14159 ;\r\n \r\n vec2 angles = vec2( phi, theta );\r\n return angles;\r\n}\r\n\r\n\r\nvoid main(){\r\n const int SAMPLE_COUNT = 1024; // 4096\r\n float totalWeight = 0.0;\r\n vec3 prefilteredColor = vec3(0.0);\r\n float phi = vTexCoord.x * 2.0 * PI;\r\n float theta = vTexCoord.y * PI;\r\n float x = sin(theta) * cos(phi);\r\n float y = sin(theta) * sin(phi);\r\n float z = cos(theta);\r\n vec3 N = vec3(x,y,z);\r\n vec3 V = N;\r\n for (int i = 0; i < SAMPLE_COUNT; ++i)\r\n {\r\n vec2 Xi = HammersleyNoBitOps(i, SAMPLE_COUNT);\r\n vec3 H = ImportanceSampleGGX(Xi, N, roughness);\r\n vec3 L = normalize(2.0 * dot(V, H) * H - V);\r\n\r\n float NdotL = max(dot(N, L), 0.0);\r\n if (NdotL > 0.0)\r\n {\r\n prefilteredColor += texture2D(environmentMap, nTOE(L)).xyz * NdotL;\r\n totalWeight += NdotL;\r\n }\r\n }\r\n prefilteredColor = prefilteredColor / totalWeight;\r\n\r\n gl_FragColor = vec4(prefilteredColor, 1.0);\r\n}\r\n\r\nvec3 ImportanceSampleGGX(vec2 Xi, vec3 N, float roughness){\r\n float a = roughness * roughness;\r\n\r\n float phi = 2.0 * PI * Xi.x;\r\n float cosTheta = sqrt((1.0 - Xi.y) / (1.0 + (a * a - 1.0) * Xi.y));\r\n float sinTheta = sqrt(1.0 - cosTheta * cosTheta);\r\n // from spherical coordinates to cartesian coordinates\r\n vec3 H;\r\n H.x = cos(phi) * sinTheta;\r\n H.y = sin(phi) * sinTheta;\r\n H.z = cosTheta;\r\n\r\n // from tangent-space vector to world-space sample vector\r\n vec3 up = abs(N.z) < 0.999 ? vec3(0.0, 0.0, 1.0) : vec3(1.0, 0.0, 0.0);\r\n vec3 tangent = normalize(cross(up, N));\r\n vec3 bitangent = cross(N, tangent);\r\n\r\n vec3 sampleVec = tangent * H.x + bitangent * H.y + N * H.z;\r\n return normalize(sampleVec);\r\n}\r\n\r\n\r\nfloat VanDerCorput(int n, int base)\r\n{\r\n float invBase = 1.0 / float(base);\r\n float denom = 1.0;\r\n float result = 0.0;\r\n\r\n for (int i = 0; i < 32; ++i)\r\n {\r\n\tif (n > 0)\r\n\t{\r\n \tdenom = mod(float(n), 2.0);\r\n \tresult += denom * invBase;\r\n \tinvBase = invBase / 2.0;\r\n \tn = int(float(n) / 2.0);\r\n\t}\r\n }\r\n\r\n return result;\r\n}\r\n\r\nvec2 HammersleyNoBitOps(int i, int N)\r\n{\r\n return vec2(float(i) / float(N), VanDerCorput(i, 2));\r\n}\r\n"};for(x in M)M[x]="#ifdef WEBGL2\n\n#define IN in\n#define OUT out\n\n#ifdef FRAGMENT_SHADER\nout vec4 outColor;\n#define OUT_COLOR outColor\n#endif\n#define TEXTURE texture\n\n#else\n\n#ifdef FRAGMENT_SHADER\n#define IN varying\n#else\n#define IN attribute\n#endif\n#define OUT varying\n#define TEXTURE texture2D\n\n#ifdef FRAGMENT_SHADER\n#define OUT_COLOR gl_FragColor\n#endif\n\n#endif\n"+M[x];j(e={},l.GRAY,"precision highp float;\n\nvarying vec2 vTexCoord;\n\nuniform sampler2D tex0;\n\nfloat luma(vec3 color) {\n // weighted grayscale with luminance values\n return dot(color, vec3(0.2126, 0.7152, 0.0722));\n}\n\nvoid main() {\n vec4 tex = texture2D(tex0, vTexCoord);\n float gray = luma(tex.rgb);\n gl_FragColor = vec4(gray, gray, gray, tex.a);\n}\n"),j(e,l.ERODE,"// Reduces the bright areas in an image\n\nprecision highp float;\n\nvarying vec2 vTexCoord;\n\nuniform sampler2D tex0;\nuniform vec2 texelSize;\n\nfloat luma(vec3 color) {\n // weighted grayscale with luminance values\n // weights 77, 151, 28 taken from src/image/filters.js\n return dot(color, vec3(0.300781, 0.589844, 0.109375));\n}\n\nvoid main() {\n vec4 color = texture2D(tex0, vTexCoord);\n float lum = luma(color.rgb);\n\n // set current color as the darkest neighbor color\n\n vec4 neighbors[4];\n neighbors[0] = texture2D(tex0, vTexCoord + vec2( texelSize.x, 0.0));\n neighbors[1] = texture2D(tex0, vTexCoord + vec2(-texelSize.x, 0.0));\n neighbors[2] = texture2D(tex0, vTexCoord + vec2(0.0, texelSize.y));\n neighbors[3] = texture2D(tex0, vTexCoord + vec2(0.0, -texelSize.y));\n\n for (int i = 0; i < 4; i++) {\n vec4 neighborColor = neighbors[i];\n float neighborLum = luma(neighborColor.rgb);\n\n if (neighborLum < lum) {\n color = neighborColor;\n lum = neighborLum;\n }\n }\n\n gl_FragColor = color;\n}\n"),j(e,l.DILATE,"// Increase the bright areas in an image\n\nprecision highp float;\n\nvarying vec2 vTexCoord;\n\nuniform sampler2D tex0;\nuniform vec2 texelSize;\n\nfloat luma(vec3 color) {\n // weighted grayscale with luminance values\n // weights 77, 151, 28 taken from src/image/filters.js\n return dot(color, vec3(0.300781, 0.589844, 0.109375));\n}\n\nvoid main() {\n vec4 color = texture2D(tex0, vTexCoord);\n float lum = luma(color.rgb);\n\n // set current color as the brightest neighbor color\n\n vec4 neighbors[4];\n neighbors[0] = texture2D(tex0, vTexCoord + vec2( texelSize.x, 0.0));\n neighbors[1] = texture2D(tex0, vTexCoord + vec2(-texelSize.x, 0.0));\n neighbors[2] = texture2D(tex0, vTexCoord + vec2(0.0, texelSize.y));\n neighbors[3] = texture2D(tex0, vTexCoord + vec2(0.0, -texelSize.y));\n\n for (int i = 0; i < 4; i++) {\n vec4 neighborColor = neighbors[i];\n float neighborLum = luma(neighborColor.rgb);\n\n if (neighborLum > lum) {\n color = neighborColor;\n lum = neighborLum;\n }\n }\n\n gl_FragColor = color;\n}\n"),j(e,l.BLUR,"precision highp float;\n\n// Two-pass blur filter, unweighted kernel.\n// See also a similar blur at Adam Ferriss' repo of shader examples:\n// https://github.com/aferriss/p5jsShaderExamples/blob/gh-pages/4_image-effects/4-9_single-pass-blur/effect.frag\n\n\nuniform sampler2D tex0;\nvarying vec2 vTexCoord;\nuniform vec2 direction;\nuniform vec2 canvasSize;\nuniform float radius;\n\nfloat random(vec2 p) {\n vec3 p3 = fract(vec3(p.xyx) * .1031);\n p3 += dot(p3, p3.yzx + 33.33);\n return fract((p3.x + p3.y) * p3.z);\n}\n\n// This isn't a real Gaussian weight, it's a quadratic weight. It's what the\n// CPU mode's blur uses though, so we also use it here to match.\nfloat quadWeight(float x, float e) {\n return pow(e-abs(x), 2.);\n}\n\nvoid main(){\n vec2 uv = vTexCoord;\n\n // A reasonable maximum number of samples\n const float maxSamples = 64.0;\n\n float numSamples = floor(7. * radius);\n if (fract(numSamples / 2.) == 0.) {\n numSamples++;\n }\n vec4 avg = vec4(0.0);\n float total = 0.0;\n\n // Calculate the spacing to avoid skewing if numSamples > maxSamples\n float spacing = 1.0;\n if (numSamples > maxSamples) {\n spacing = numSamples / maxSamples;\n numSamples = maxSamples;\n }\n\n float randomOffset = (spacing - 1.0) * mix(-0.5, 0.5, random(gl_FragCoord.xy));\n for (float i = 0.0; i < maxSamples; i++) {\n if (i >= numSamples) break;\n\n float sample = i * spacing - (numSamples - 1.0) * 0.5 * spacing + randomOffset;\n vec2 sampleCoord = uv + vec2(sample, sample) / canvasSize * direction;\n float weight = quadWeight(sample, (numSamples - 1.0) * 0.5 * spacing);\n\n avg += weight * texture2D(tex0, sampleCoord);\n total += weight;\n }\n\n avg /= total;\n gl_FragColor = avg;\n}\n"),j(e,l.POSTERIZE,"// Limit color space for a stylized cartoon / poster effect\n\nprecision highp float;\n\nvarying vec2 vTexCoord;\n\nuniform sampler2D tex0;\nuniform float filterParameter;\n\nvec3 quantize(vec3 color, float n) {\n // restrict values to N options/bins\n // and floor each channel to nearest value\n //\n // eg. when N = 5, values = 0.0, 0.25, 0.50, 0.75, 1.0\n // then quantize (0.1, 0.7, 0.9) -> (0.0, 0.5, 1.0)\n\n color = color * n;\n color = floor(color);\n color = color / (n - 1.0);\n return color;\n}\n\nvoid main() {\n vec4 color = texture2D(tex0, vTexCoord);\n\n vec3 restrictedColor = quantize(color.rgb / color.a, filterParameter);\n\n gl_FragColor = vec4(restrictedColor.rgb * color.a, color.a);\n}\n"),j(e,l.OPAQUE,"// Set alpha channel to entirely opaque\n\nprecision highp float;\n\nvarying vec2 vTexCoord;\n\nuniform sampler2D tex0;\n\nvoid main() {\n vec4 color = texture2D(tex0, vTexCoord);\n gl_FragColor = vec4(color.rgb / color.a, 1.0);\n}\n"),j(e,l.INVERT,"// Set each pixel to inverse value\n// Note that original INVERT does not change the opacity, so this follows suit\n\nprecision highp float;\n\nvarying vec2 vTexCoord;\n\nuniform sampler2D tex0;\n\nvoid main() {\nvec4 color = texture2D(tex0, vTexCoord);\nvec3 origColor = color.rgb / color.a;\nvec3 invertedColor = vec3(1.0) - origColor;\ngl_FragColor = vec4(invertedColor * color.a, color.a);\n}\n"),j(e,l.THRESHOLD,"// Convert pixels to either white or black, \n// depending on if their luma is above or below filterParameter\n\nprecision highp float;\n\nvarying vec2 vTexCoord;\n\nuniform sampler2D tex0;\nuniform float filterParameter;\n\nfloat luma(vec3 color) {\n // weighted grayscale with luminance values\n return dot(color, vec3(0.2126, 0.7152, 0.0722));\n}\n\nvoid main() {\n vec4 color = texture2D(tex0, vTexCoord);\n float gray = luma(color.rgb / color.a);\n // floor() used to match src/image/filters.js\n float threshold = floor(filterParameter * 255.0) / 255.0;\n float blackOrWhite = step(threshold, gray);\n gl_FragColor = vec4(vec3(blackOrWhite) * color.a, color.a);\n}\n");var E=e;function k(e,t,r,o,n,s,i,a,l,u){var c=t.getParameter(t.FRAMEBUFFER_BINDING),r=(t.bindFramebuffer(t.FRAMEBUFFER,r),a===t.RGBA?4:3),d=s*i*r,h=l===t.UNSIGNED_BYTE?Uint8Array:Float32Array;if(e instanceof h&&e.length===d||(e=new h(d)),t.readPixels(o,u?u-n-i:n,s,i,a,l,e),t.bindFramebuffer(t.FRAMEBUFFER,c),u)for(var f=Math.floor(i/2),p=new h(s*r),m=0;m>7,127&d,c>>7,127&c);for(var h=0;h>7,127&f,0,0)}}return{cellImageInfo:a,dimOffset:t,dimImageInfo:n}}}}]),t}();B.default.RendererGL.prototype._renderText=function(e,t,r,o,n){if(this._textFont&&"string"!=typeof this._textFont){if(!(n<=o)&&this._doFill){if(this._isOpenType()){e.push();var n=this._doStroke,s=this.drawMode,i=(this._doStroke=!1,this.drawMode=M.TEXTURE,this._textFont.font),a=(a=this._textFont._fontInfo)||(this._textFont._fontInfo=new E(i)),r=this._textFont._handleAlignment(this,t,r,o),o=this._textSize/i.unitsPerEm,l=(this.translate(r.x,r.y,0),this.scale(o,o,1),this.GL),r=!this._defaultFontShader,u=this._getFontShader(),c=(u.init(),u.bindShader(),r&&(u.setUniform("uGridImageSize",[64,64]),u.setUniform("uCellsImageSize",[64,64]),u.setUniform("uStrokeImageSize",[64,64]),u.setUniform("uGridSize",[9,9])),this._applyColorBlend(this.curFillColor),this.retainedMode.geometry.glyph),d=(c||((o=this._textGeom=new B.default.Geometry(1,1,function(){for(var e=0;e<=1;e++)for(var t=0;t<=1;t++)this.vertices.push(new B.default.Vector(t,e,0)),this.uvs.push(t,e)})).computeFaces().computeNormals(),c=this.createBuffers("glyph",o)),!0),r=!1,o=void 0;try{for(var h,f=this.retainedMode.buffers.text[Symbol.iterator]();!(d=(h=f.next()).done);d=!0)h.value._prepareBuffer(c,u)}catch(e){r=!0,o=e}finally{try{d||null==f.return||f.return()}finally{if(r)throw o}}this._bindBuffer(c.indexBuffer,l.ELEMENT_ARRAY_BUFFER),u.setUniform("uMaterialColor",this.curFillColor),l.pixelStorei(l.UNPACK_PREMULTIPLY_ALPHA_WEBGL,!1);try{var p=0,m=null,y=i.stringToGlyphs(t),g=!0,v=!1,b=void 0;try{for(var j,_=y[Symbol.iterator]();!(g=(j=_.next()).done);g=!0){var x,w,S=j.value,T=(m&&(p+=i.getKerningValue(m,S)),a.getGlyphInfo(S));T.uGlyphRect&&(x=T.rowInfo,w=T.colInfo,u.setUniform("uSamplerStrokes",T.strokeImageInfo.imageData),u.setUniform("uSamplerRowStrokes",x.cellImageInfo.imageData),u.setUniform("uSamplerRows",x.dimImageInfo.imageData),u.setUniform("uSamplerColStrokes",w.cellImageInfo.imageData),u.setUniform("uSamplerCols",w.dimImageInfo.imageData),u.setUniform("uGridOffset",T.uGridOffset),u.setUniform("uGlyphRect",T.uGlyphRect),u.setUniform("uGlyphOffset",p),u.bindTextures(),l.drawElements(l.TRIANGLES,6,this.GL.UNSIGNED_SHORT,0)),p+=S.advanceWidth,m=S}}catch(e){v=!0,b=e}finally{try{g||null==_.return||_.return()}finally{if(v)throw b}}}finally{u.unbindShader(),this._doStroke=n,this.drawMode=s,l.pixelStorei(l.UNPACK_PREMULTIPLY_ALPHA_WEBGL,!0),e.pop()}}else console.log("WEBGL: only Opentype (.otf) and Truetype (.ttf) fonts are supported");return e}}else console.log("WEBGL: you must load and set a font before drawing text. 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                                                                                '))),this._accessibleOutputs[r]={},"textOutput"===e?(i="#".concat(s,"gridOutput").concat(i),n='
                                                                                Text Output

                                                                                  '),this.dummyDOM.querySelector(i)?this.dummyDOM.querySelector(i).insertAdjacentHTML("beforebegin",n):this.dummyDOM.querySelector("#".concat(o)).innerHTML=n,this._accessibleOutputs[r].list=this.dummyDOM.querySelector("#".concat(r,"_list"))):"gridOutput"===e&&(i="#".concat(s,"textOutput").concat(i),n='
                                                                                  Grid Output

                                                                                    '),this.dummyDOM.querySelector(i)?this.dummyDOM.querySelector(i).insertAdjacentHTML("afterend",n):this.dummyDOM.querySelector("#".concat(o)).innerHTML=n,this._accessibleOutputs[r].map=this.dummyDOM.querySelector("#".concat(r,"_map"))),this._accessibleOutputs[r].shapeDetails=this.dummyDOM.querySelector("#".concat(r,"_shapeDetails")),this._accessibleOutputs[r].summary=this.dummyDOM.querySelector("#".concat(r,"_summary"))},o.default.prototype._updateAccsOutput=function(){var e=this.canvas.id;JSON.stringify(this.ingredients.shapes)===this.ingredients.pShapes&&this.ingredients.colors.background===this.ingredients.pBackground||(this.ingredients.pShapes=JSON.stringify(this.ingredients.shapes),this._accessibleOutputs.text&&this._updateTextOutput(e+"textOutput"),this._accessibleOutputs.grid&&this._updateGridOutput(e+"gridOutput"),this._accessibleOutputs.textLabel&&this._updateTextOutput(e+"textOutputLabel"),this._accessibleOutputs.gridLabel&&this._updateGridOutput(e+"gridOutputLabel"))},o.default.prototype._accsBackground=function(e){this.ingredients.pShapes=JSON.stringify(this.ingredients.shapes),this.ingredients.pBackground=this.ingredients.colors.background,this.ingredients.shapes={},this.ingredients.colors.backgroundRGBA!==e&&(this.ingredients.colors.backgroundRGBA=e,this.ingredients.colors.background=this._rgbColorName(e))},o.default.prototype._accsCanvasColors=function(e,t){"fill"===e?this.ingredients.colors.fillRGBA!==t&&(this.ingredients.colors.fillRGBA=t,this.ingredients.colors.fill=this._rgbColorName(t)):"stroke"===e&&this.ingredients.colors.strokeRGBA!==t&&(this.ingredients.colors.strokeRGBA=t,this.ingredients.colors.stroke=this._rgbColorName(t))},o.default.prototype._accsOutput=function(e,t){"ellipse"===e&&t[2]===t[3]?e="circle":"rectangle"===e&&t[2]===t[3]&&(e="square");var r,o,n={},s=!0,i=function(e,t){var r;e="rectangle"===e||"ellipse"===e||"arc"===e||"circle"===e||"square"===e?(r=Math.round(t[0]+t[2]/2),Math.round(t[1]+t[3]/2)):"triangle"===e?(r=(t[0]+t[2]+t[4])/3,(t[1]+t[3]+t[5])/3):"quadrilateral"===e?(r=(t[0]+t[2]+t[4]+t[6])/4,(t[1]+t[3]+t[5]+t[7])/4):"line"===e?(r=(t[0]+t[2])/2,(t[1]+t[3])/2):(r=t[0],t[1]);return[r,e]}(e,t);if("line"===e?(n.color=this.ingredients.colors.stroke,n.length=Math.round(this.dist(t[0],t[1],t[2],t[3])),r=this._getPos(t[0],[1]),o=this._getPos(t[2],[3]),n.loc=u(i,this.width,this.height),n.pos=r===o?"at ".concat(r):"from ".concat(r," to ").concat(o)):("point"===e?n.color=this.ingredients.colors.stroke:(n.color=this.ingredients.colors.fill,n.area=this._getArea(e,t)),n.pos=this._getPos.apply(this,l(i)),n.loc=u(i,this.width,this.height)),this.ingredients.shapes[e]){if(this.ingredients.shapes[e]!==[n]){for(var a in this.ingredients.shapes[e])JSON.stringify(this.ingredients.shapes[e][a])===JSON.stringify(n)&&(s=!1);!0===s&&this.ingredients.shapes[e].push(n)}}else this.ingredients.shapes[e]=[n]},o.default.prototype._getPos=function(e,t){var e=new DOMPointReadOnly(e,t),t=this._renderer.isP3D?new DOMMatrix(this._renderer.uMVMatrix.mat4):this.drawingContext.getTransform(),e=e.matrixTransform(t),t=e.x,e=e.y,r=this.width*this._pixelDensity,o=this.height*this._pixelDensity;return t<.4*r?e<.4*o?"top left":.6*oMath.PI?n+=o:n-=o)):"ellipse"===e||"circle"===e?n=3.14*t[2]/2*t[3]/2:"line"===e||"point"===e?n=0:"quadrilateral"===e?n=Math.abs((t[6]+t[0])*(t[7]-t[1])+(t[0]+t[2])*(t[1]-t[3])+(t[2]+t[4])*(t[3]-t[5])+(t[4]+t[6])*(t[5]-t[7]))/2:"rectangle"===e||"square"===e?n=t[2]*t[3]:"triangle"===e&&(n=Math.abs(t[0]*(t[3]-t[5])+t[2]*(t[5]-t[1])+t[4]*(t[1]-t[3]))/2),this.width*this._pixelDensity),i=this.height*this._pixelDensity,a=[new DOMPoint(0,0),new DOMPoint(s,0),new DOMPoint(s,i),new 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strict";e("core-js/modules/es.array.concat"),e("core-js/modules/es.array.concat"),Object.defineProperty(r,"__esModule",{value:!0}),r.default=void 0;e=(e=e("../core/main"))&&e.__esModule?e:{default:e};e.default.prototype._updateTextOutput=function(e){var t,r,o,n;this.dummyDOM.querySelector("#".concat(e,"_summary"))&&(t=this._accessibleOutputs[e],o=function(e,t,r,o){r="Your output is a, ".concat(r," by ").concat(o," pixels, ").concat(t," canvas containing the following");r=1===e?"".concat(r," shape:"):"".concat(r," ").concat(e," shapes:");return r}((r=function(e,t){var r,o="",n=0;for(r in t)for(var s in t[r]){var i='
                                                                                  • ').concat(t[r][s].color," ").concat(r,"");"line"===r?i+=", ".concat(t[r][s].pos,", ").concat(t[r][s].length," pixels long.
                                                                                    • "):(i+=", at ".concat(t[r][s].pos),"point"!==r&&(i+=", covering ".concat(t[r][s].area,"% of the canvas")),i+="."),o+=i,n++}return{numShapes:n,listShapes:o}}(e,this.ingredients.shapes)).numShapes,this.ingredients.colors.background,this.width,this.height),n=function(e,t){var r,o="",n=0;for(r in t)for(var s in t[r]){var i='').concat(t[r][s].color," ").concat(r,"");"line"===r?i+="location = ".concat(t[r][s].pos,"length = ").concat(t[r][s].length," pixels"):(i+="location = ".concat(t[r][s].pos,""),"point"!==r&&(i+=" area = ".concat(t[r][s].area,"%")),i+=""),o+=i,n++}return o}(e,this.ingredients.shapes),o!==t.summary.innerHTML&&(t.summary.innerHTML=o),r.listShapes!==t.list.innerHTML&&(t.list.innerHTML=r.listShapes),n!==t.shapeDetails.innerHTML&&(t.shapeDetails.innerHTML=n),this._accessibleOutputs[e]=t)};e=e.default;r.default=e},{"../core/main":283,"core-js/modules/es.array.concat":153}],267:[function(e,t,r){"use strict";var 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s;Object.prototype.hasOwnProperty.call(e,r)&&((s=n?Object.getOwnPropertyDescriptor(e,r):null)&&(s.get||s.set)?Object.defineProperty(o,r,s):o[r]=e[r])}o.default=e,t&&t.set(e,o);return o}(e("../core/constants"));function a(){var e;return"function"!=typeof WeakMap?null:(e=new WeakMap,a=function(){return e},e)}e("./p5.Color"),e("../core/friendly_errors/validate_params"),e("../core/friendly_errors/file_errors"),e("../core/friendly_errors/fes_core"),l.default.prototype.alpha=function(e){return l.default._validateParameters("alpha",arguments),this.color(e)._getAlpha()},l.default.prototype.blue=function(e){return l.default._validateParameters("blue",arguments),this.color(e)._getBlue()},l.default.prototype.brightness=function(e){return l.default._validateParameters("brightness",arguments),this.color(e)._getBrightness()},l.default.prototype.color=function(){for(var e,t=arguments.length,r=new 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curve (after t1)?\n if (y1 ? !y2 : y0) {\n // add the coverage for t1\n coverage.x += saturate(C1.x + 0.5);\n // calculate the anti-aliasing for t1\n weight.x = min(weight.x, abs(C1.x));\n }\n\n // are we outside the curve (after t2)?\n if (y1 ? !y0 : y2) {\n // subtract the coverage for t2\n coverage.x -= saturate(C2.x + 0.5);\n // calculate the anti-aliasing for t2\n weight.x = min(weight.x, abs(C2.x));\n }\n}\n\n// this is essentially the same as coverageX, but with the axes swapped\nvoid coverageY(vec2 p0, vec2 p1, vec2 p2) {\n\n vec2 C1, C2;\n calulateCrossings(p0, p1, p2, C1, C2);\n\n bool x0 = p0.x > vTexCoord.x;\n bool x1 = p1.x > vTexCoord.x;\n bool x2 = p2.x > vTexCoord.x;\n\n if (x1 ? !x2 : x0) {\n coverage.y -= saturate(C1.y + 0.5);\n weight.y = min(weight.y, abs(C1.y));\n }\n\n if (x1 ? !x0 : x2) {\n coverage.y += saturate(C2.y + 0.5);\n weight.y = min(weight.y, abs(C2.y));\n }\n}\n\nvoid main() {\n\n // calculate the pixel scale based on screen-coordinates\n pixelScale = hardness / fwidth(vTexCoord);\n\n // which grid cell is this pixel in?\n ivec2 gridCoord = ifloor(vTexCoord * vec2(uGridSize));\n\n // intersect curves in this row\n {\n // the index into the row info bitmap\n int rowIndex = gridCoord.y + uGridOffset.y;\n // fetch the info texel\n vec4 rowInfo = getTexel(uSamplerRows, rowIndex, uGridImageSize);\n // unpack the rowInfo\n int rowStrokeIndex = getInt16(rowInfo.xy);\n int rowStrokeCount = getInt16(rowInfo.zw);\n\n for (int iRowStroke = INT(0); iRowStroke < N; iRowStroke++) {\n if (iRowStroke >= rowStrokeCount)\n break;\n\n // each stroke is made up of 3 points: the start and control point\n // and the start of the next curve.\n // fetch the indices of this pair of strokes:\n vec4 strokeIndices = getTexel(uSamplerRowStrokes, rowStrokeIndex++, uCellsImageSize);\n\n // unpack the stroke index\n int strokePos = getInt16(strokeIndices.xy);\n\n // fetch the two strokes\n vec4 stroke0 = getTexel(uSamplerStrokes, strokePos + INT(0), uStrokeImageSize);\n vec4 stroke1 = getTexel(uSamplerStrokes, strokePos + INT(1), uStrokeImageSize);\n\n // calculate the coverage\n coverageX(stroke0.xy, stroke0.zw, stroke1.xy);\n }\n }\n\n // intersect curves in this column\n {\n int colIndex = gridCoord.x + uGridOffset.x;\n vec4 colInfo = getTexel(uSamplerCols, colIndex, uGridImageSize);\n int colStrokeIndex = getInt16(colInfo.xy);\n int colStrokeCount = getInt16(colInfo.zw);\n \n for (int iColStroke = INT(0); iColStroke < N; iColStroke++) {\n if (iColStroke >= colStrokeCount)\n break;\n\n vec4 strokeIndices = getTexel(uSamplerColStrokes, colStrokeIndex++, uCellsImageSize);\n\n int strokePos = getInt16(strokeIndices.xy);\n vec4 stroke0 = getTexel(uSamplerStrokes, strokePos + INT(0), uStrokeImageSize);\n vec4 stroke1 = getTexel(uSamplerStrokes, strokePos + INT(1), uStrokeImageSize);\n coverageY(stroke0.xy, stroke0.zw, stroke1.xy);\n }\n }\n\n weight = saturate(1.0 - weight * 2.0);\n float distance = max(weight.x + weight.y, minDistance); // manhattan approx.\n float antialias = abs(dot(coverage, weight) / distance);\n float cover = min(abs(coverage.x), abs(coverage.y));\n OUT_COLOR = vec4(uMaterialColor.rgb, 1.) * uMaterialColor.a;\n OUT_COLOR *= saturate(max(antialias, cover));\n}\n",lineVert:T+"/*\n Part of the Processing project - http://processing.org\n Copyright (c) 2012-15 The Processing Foundation\n Copyright (c) 2004-12 Ben Fry and Casey Reas\n Copyright (c) 2001-04 Massachusetts Institute of Technology\n This library is free software; you can redistribute it and/or\n modify it under the terms of the GNU Lesser General Public\n License as published by the Free Software Foundation, version 2.1.\n This library is distributed in the hope that it will be useful,\n but WITHOUT ANY WARRANTY; without even the implied warranty of\n MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU\n Lesser General Public License for more details.\n You should have received a copy of the GNU Lesser General\n Public License along with this library; if not, write to the\n Free Software Foundation, Inc., 59 Temple Place, Suite 330,\n Boston, MA 02111-1307 USA\n*/\n\n#define PROCESSING_LINE_SHADER\n\nprecision mediump int;\n\nuniform mat4 uModelViewMatrix;\nuniform mat4 uProjectionMatrix;\nuniform float uStrokeWeight;\n\nuniform bool uUseLineColor;\nuniform vec4 uMaterialColor;\n\nuniform vec4 uViewport;\nuniform int uPerspective;\nuniform int uStrokeJoin;\n\nIN vec4 aPosition;\nIN vec3 aTangentIn;\nIN vec3 aTangentOut;\nIN float aSide;\nIN vec4 aVertexColor;\n\nOUT vec4 vColor;\nOUT vec2 vTangent;\nOUT vec2 vCenter;\nOUT vec2 vPosition;\nOUT float vMaxDist;\nOUT float vCap;\nOUT float vJoin;\n\nvec2 lineIntersection(vec2 aPoint, vec2 aDir, vec2 bPoint, vec2 bDir) {\n // Rotate and translate so a starts at the origin and goes out to the right\n bPoint -= aPoint;\n vec2 rotatedBFrom = vec2(\n bPoint.x*aDir.x + bPoint.y*aDir.y,\n bPoint.y*aDir.x - bPoint.x*aDir.y\n );\n vec2 bTo = bPoint + bDir;\n vec2 rotatedBTo = vec2(\n bTo.x*aDir.x + bTo.y*aDir.y,\n bTo.y*aDir.x - bTo.x*aDir.y\n );\n float intersectionDistance =\n rotatedBTo.x + (rotatedBFrom.x - rotatedBTo.x) * rotatedBTo.y /\n (rotatedBTo.y - rotatedBFrom.y);\n return aPoint + aDir * intersectionDistance;\n}\n\nvoid main() {\n // Caps have one of either the in or out tangent set to 0\n vCap = (aTangentIn == vec3(0.)) != (aTangentOut == (vec3(0.)))\n ? 1. : 0.;\n\n // Joins have two unique, defined tangents\n vJoin = (\n aTangentIn != vec3(0.) &&\n aTangentOut != vec3(0.) &&\n aTangentIn != aTangentOut\n ) ? 1. : 0.;\n\n vec4 posp = uModelViewMatrix * aPosition;\n vec4 posqIn = uModelViewMatrix * (aPosition + vec4(aTangentIn, 0));\n vec4 posqOut = uModelViewMatrix * (aPosition + vec4(aTangentOut, 0));\n\n float facingCamera = pow(\n // The word space tangent's z value is 0 if it's facing the camera\n abs(normalize(posqIn-posp).z),\n\n // Using pow() here to ramp `facingCamera` up from 0 to 1 really quickly\n // so most lines get scaled and don't get clipped\n 0.25\n );\n\n // Moving vertices slightly toward the camera\n // to avoid depth-fighting with the fill triangles.\n // This prevents popping effects due to half of\n // the line disappearing behind the geometry faces.\n \n float zOffset = mix(-0.00045, -1., facingCamera);\n posp.z -= zOffset;\n posqIn.z -= zOffset;\n posqOut.z -= zOffset;\n \n vec4 p = uProjectionMatrix * posp;\n vec4 qIn = uProjectionMatrix * posqIn;\n vec4 qOut = uProjectionMatrix * posqOut;\n vCenter = p.xy;\n\n // formula to convert from clip space (range -1..1) to screen space (range 0..[width or height])\n // screen_p = (p.xy/p.w + <1,1>) * 0.5 * uViewport.zw\n\n // prevent division by W by transforming the tangent formula (div by 0 causes\n // the line to disappear, see https://github.com/processing/processing/issues/5183)\n // t = screen_q - screen_p\n //\n // tangent is normalized and we don't care which aDirection it points to (+-)\n // t = +- normalize( screen_q - screen_p )\n // t = +- normalize( (q.xy/q.w+<1,1>)*0.5*uViewport.zw - (p.xy/p.w+<1,1>)*0.5*uViewport.zw )\n //\n // extract common factor, <1,1> - <1,1> cancels out\n // t = +- normalize( (q.xy/q.w - p.xy/p.w) * 0.5 * uViewport.zw )\n //\n // convert to common divisor\n // t = +- normalize( ((q.xy*p.w - p.xy*q.w) / (p.w*q.w)) * 0.5 * uViewport.zw )\n //\n // remove the common scalar divisor/factor, not needed due to normalize and +-\n // (keep uViewport - can't remove because it has different components for x and y\n // and corrects for aspect ratio, see https://github.com/processing/processing/issues/5181)\n // t = +- normalize( (q.xy*p.w - p.xy*q.w) * uViewport.zw )\n\n vec2 tangentIn = normalize((qIn.xy*p.w - p.xy*qIn.w) * uViewport.zw);\n vec2 tangentOut = normalize((qOut.xy*p.w - p.xy*qOut.w) * uViewport.zw);\n\n vec2 curPerspScale;\n if(uPerspective == 1) {\n // Perspective ---\n // convert from world to clip by multiplying with projection scaling factor\n // to get the right thickness (see https://github.com/processing/processing/issues/5182)\n\n // The y value of the projection matrix may be flipped if rendering to a Framebuffer.\n // Multiplying again by its sign here negates the flip to get just the scale.\n curPerspScale = (uProjectionMatrix * vec4(1, sign(uProjectionMatrix[1][1]), 0, 0)).xy;\n } else {\n // No Perspective ---\n // multiply by W (to cancel out division by W later in the pipeline) and\n // convert from screen to clip (derived from clip to screen above)\n curPerspScale = p.w / (0.5 * uViewport.zw);\n }\n\n vec2 offset;\n if (vJoin == 1.) {\n vTangent = normalize(tangentIn + tangentOut);\n vec2 normalIn = vec2(-tangentIn.y, tangentIn.x);\n vec2 normalOut = vec2(-tangentOut.y, tangentOut.x);\n float side = sign(aSide);\n float sideEnum = abs(aSide);\n\n // We generate vertices for joins on either side of the centerline, but\n // the \"elbow\" side is the only one needing a join. By not setting the\n // offset for the other side, all its vertices will end up in the same\n // spot and not render, effectively discarding it.\n if (sign(dot(tangentOut, vec2(-tangentIn.y, tangentIn.x))) != side) {\n // Side enums:\n // 1: the side going into the join\n // 2: the middle of the join\n // 3: the side going out of the join\n if (sideEnum == 2.) {\n // Calculate the position + tangent on either side of the join, and\n // find where the lines intersect to find the elbow of the join\n vec2 c = (posp.xy/posp.w + vec2(1.,1.)) * 0.5 * uViewport.zw;\n vec2 intersection = lineIntersection(\n c + (side * normalIn * uStrokeWeight / 2.),\n tangentIn,\n c + (side * normalOut * uStrokeWeight / 2.),\n tangentOut\n );\n offset = (intersection - c);\n\n // When lines are thick and the angle of the join approaches 180, the\n // elbow might be really far from the center. We'll apply a limit to\n // the magnitude to avoid lines going across the whole screen when this\n // happens.\n float mag = length(offset);\n float maxMag = 3. * uStrokeWeight;\n if (mag > maxMag) {\n offset *= maxMag / mag;\n }\n } else if (sideEnum == 1.) {\n offset = side * normalIn * uStrokeWeight / 2.;\n } else if (sideEnum == 3.) {\n offset = side * normalOut * uStrokeWeight / 2.;\n }\n }\n if (uStrokeJoin == STROKE_JOIN_BEVEL) {\n vec2 avgNormal = vec2(-vTangent.y, vTangent.x);\n vMaxDist = abs(dot(avgNormal, normalIn * uStrokeWeight / 2.));\n } else {\n vMaxDist = uStrokeWeight / 2.;\n }\n } else {\n vec2 tangent = aTangentIn == vec3(0.) ? tangentOut : tangentIn;\n vTangent = tangent;\n vec2 normal = vec2(-tangent.y, tangent.x);\n\n float normalOffset = sign(aSide);\n // Caps will have side values of -2 or 2 on the edge of the cap that\n // extends out from the line\n float tangentOffset = abs(aSide) - 1.;\n offset = (normal * normalOffset + tangent * tangentOffset) *\n uStrokeWeight * 0.5;\n vMaxDist = uStrokeWeight / 2.;\n }\n vPosition = vCenter + offset;\n\n gl_Position.xy = p.xy + offset.xy * curPerspScale;\n gl_Position.zw = p.zw;\n \n vColor = (uUseLineColor ? aVertexColor : uMaterialColor);\n}\n",lineFrag:T+"precision mediump int;\n\nuniform vec4 uMaterialColor;\nuniform int uStrokeCap;\nuniform int uStrokeJoin;\nuniform float uStrokeWeight;\n\nIN vec4 vColor;\nIN vec2 vTangent;\nIN vec2 vCenter;\nIN vec2 vPosition;\nIN float vMaxDist;\nIN float vCap;\nIN float vJoin;\n\nfloat distSquared(vec2 a, vec2 b) {\n vec2 aToB = b - a;\n return dot(aToB, aToB);\n}\n\nvoid main() {\n if (vCap > 0.) {\n if (\n uStrokeCap == STROKE_CAP_ROUND &&\n distSquared(vPosition, vCenter) > uStrokeWeight * uStrokeWeight * 0.25\n ) {\n discard;\n } else if (\n uStrokeCap == STROKE_CAP_SQUARE &&\n dot(vPosition - vCenter, vTangent) > 0.\n ) {\n discard;\n }\n // Use full area for PROJECT\n } else if (vJoin > 0.) {\n if (\n uStrokeJoin == STROKE_JOIN_ROUND &&\n distSquared(vPosition, vCenter) > uStrokeWeight * uStrokeWeight * 0.25\n ) {\n discard;\n } else if (uStrokeJoin == STROKE_JOIN_BEVEL) {\n vec2 normal = vec2(-vTangent.y, vTangent.x);\n if (abs(dot(vPosition - vCenter, normal)) > vMaxDist) {\n discard;\n }\n }\n // Use full area for MITER\n }\n OUT_COLOR = vec4(vColor.rgb, 1.) * vColor.a;\n}\n",pointVert:"IN vec3 aPosition;\nuniform float uPointSize;\nOUT float vStrokeWeight;\nuniform mat4 uModelViewMatrix;\nuniform mat4 uProjectionMatrix;\nvoid main() {\n\tvec4 positionVec4 = vec4(aPosition, 1.0);\n\tgl_Position = uProjectionMatrix * uModelViewMatrix * positionVec4;\n\tgl_PointSize = uPointSize;\n\tvStrokeWeight = uPointSize;\n}\n",pointFrag:"precision mediump int;\nuniform vec4 uMaterialColor;\nIN float vStrokeWeight;\n\nvoid main(){\n float mask = 0.0;\n\n // make a circular mask using the gl_PointCoord (goes from 0 - 1 on a point)\n // might be able to get a nicer edge on big strokeweights with smoothstep but slightly less performant\n\n mask = step(0.98, length(gl_PointCoord * 2.0 - 1.0));\n\n // if strokeWeight is 1 or less lets just draw a square\n // this prevents weird artifacting from carving circles when our points are really small\n // if strokeWeight is larger than 1, we just use it as is\n\n mask = mix(0.0, mask, clamp(floor(vStrokeWeight - 0.5),0.0,1.0));\n\n // throw away the borders of the mask\n // otherwise we get weird alpha blending issues\n\n if(mask > 0.98){\n discard;\n }\n\n OUT_COLOR = vec4(uMaterialColor.rgb, 1.) * uMaterialColor.a;\n}\n",imageLightVert:"precision highp float;\nattribute vec3 aPosition;\nattribute vec3 aNormal;\nattribute vec2 aTexCoord;\n\nvarying vec3 localPos;\nvarying vec3 vWorldNormal;\nvarying vec3 vWorldPosition;\nvarying vec2 vTexCoord;\n\nuniform mat4 uModelViewMatrix;\nuniform mat4 uProjectionMatrix;\nuniform mat3 uNormalMatrix;\n\nvoid main() {\n // Multiply the position by the matrix.\n vec4 viewModelPosition = uModelViewMatrix * vec4(aPosition, 1.0);\n gl_Position = uProjectionMatrix * viewModelPosition; \n \n // orient the normals and pass to the fragment shader\n vWorldNormal = uNormalMatrix * aNormal;\n \n // send the view position to the fragment shader\n vWorldPosition = (uModelViewMatrix * vec4(aPosition, 1.0)).xyz;\n \n localPos = vWorldPosition;\n vTexCoord = aTexCoord;\n}\n\n\n/*\nin the vertex shader we'll compute the world position and world oriented normal of the vertices and pass those to the fragment shader as varyings.\n*/\n",imageLightDiffusedFrag:"precision highp float;\nvarying vec3 localPos;\n\n// the HDR cubemap converted (can be from an equirectangular environment map.)\nuniform sampler2D environmentMap;\nvarying vec2 vTexCoord;\n\nconst float PI = 3.14159265359;\n\nvec2 nTOE( vec3 v ){\n // x = r sin(phi) cos(theta) \n // y = r cos(phi) \n // z = r sin(phi) sin(theta)\n float phi = acos( v.y );\n // if phi is 0, then there are no x, z components\n float theta = 0.0;\n // else \n theta = acos(v.x / sin(phi));\n float sinTheta = v.z / sin(phi);\n if (sinTheta < 0.0) {\n // Turn it into -theta, but in the 0-2PI range\n theta = 2.0 * PI - theta;\n }\n theta = theta / (2.0 * 3.14159);\n phi = phi / 3.14159 ;\n \n vec2 angles = vec2( phi, theta );\n return angles;\n}\n\nfloat random(vec2 p) {\n vec3 p3 = fract(vec3(p.xyx) * .1031);\n p3 += dot(p3, p3.yzx + 33.33);\n return fract((p3.x + p3.y) * p3.z);\n}\n\nvoid main()\n{ \t \n\t// the sample direction equals the hemisphere's orientation\n float phi = vTexCoord.x * 2.0 * PI;\n float theta = vTexCoord.y * PI;\n float x = sin(theta) * cos(phi);\n float y = sin(theta) * sin(phi);\n float z = cos(theta);\n vec3 normal = vec3( x, y, z);\n\n\t// Discretely sampling the hemisphere given the integral's\n // spherical coordinates translates to the following fragment code:\n\tvec3 irradiance = vec3(0.0); \n\tvec3 up\t= vec3(0.0, 1.0, 0.0);\n\tvec3 right = normalize(cross(up, normal));\n\tup = normalize(cross(normal, right));\n\n\t// We specify a fixed sampleDelta delta value to traverse\n // the hemisphere; decreasing or increasing the sample delta\n // will increase or decrease the accuracy respectively.\n\tconst float sampleDelta = 0.100;\n\tfloat nrSamples = 0.0;\n float randomOffset = random(gl_FragCoord.xy) * sampleDelta;\n\tfor(float rawPhi = 0.0; rawPhi < 2.0 * PI; rawPhi += sampleDelta)\n\t{\n float phi = rawPhi + randomOffset;\n for(float rawTheta = 0.0; rawTheta < ( 0.5 ) * PI; rawTheta += sampleDelta)\n {\n float theta = rawTheta + randomOffset;\n // spherical to cartesian (in tangent space) // tangent space to world // add each sample result to irradiance\n float x = sin(theta) * cos(phi);\n float y = sin(theta) * sin(phi);\n float z = cos(theta);\n vec3 tangentSample = vec3( x, y, z);\n \n vec3 sampleVec = tangentSample.x * right + tangentSample.y * up + tangentSample.z * normal;\n irradiance += (texture2D(environmentMap, nTOE(sampleVec)).xyz) * cos(theta) * sin(theta);\n nrSamples++;\n }\n\t}\n\t// divide by the total number of samples taken, giving us the average sampled irradiance.\n\tirradiance = PI * irradiance * (1.0 / float(nrSamples )) ;\n \n \n\tgl_FragColor = vec4(irradiance, 1.0);\n}",imageLightSpecularFrag:"precision highp float;\r\nvarying vec3 localPos;\r\nvarying vec2 vTexCoord;\r\n\r\n// our texture\r\nuniform sampler2D environmentMap;\r\nuniform float roughness;\r\n\r\nconst float PI = 3.14159265359;\r\n\r\nfloat VanDerCorput(int bits);\r\nvec2 HammersleyNoBitOps(int i, int N);\r\nvec3 ImportanceSampleGGX(vec2 Xi, vec3 N, float roughness);\r\n\r\n\r\nvec2 nTOE( vec3 v ){\r\n // x = r sin(phi) cos(theta) \r\n // y = r cos(phi) \r\n // z = r sin(phi) sin(theta)\r\n float phi = acos( v.y );\r\n // if phi is 0, then there are no x, z components\r\n float theta = 0.0;\r\n // else \r\n theta = acos(v.x / sin(phi));\r\n float sinTheta = v.z / sin(phi);\r\n if (sinTheta < 0.0) {\r\n // Turn it into -theta, but in the 0-2PI range\r\n theta = 2.0 * PI - theta;\r\n }\r\n theta = theta / (2.0 * 3.14159);\r\n phi = phi / 3.14159 ;\r\n \r\n vec2 angles = vec2( phi, theta );\r\n return angles;\r\n}\r\n\r\n\r\nvoid main(){\r\n const int SAMPLE_COUNT = 400; // 4096\r\n int lowRoughnessLimit = int(pow(2.0,(roughness+0.1)*20.0));\r\n float totalWeight = 0.0;\r\n vec3 prefilteredColor = vec3(0.0);\r\n float phi = vTexCoord.x * 2.0 * PI;\r\n float theta = vTexCoord.y * PI;\r\n float x = sin(theta) * cos(phi);\r\n float y = sin(theta) * sin(phi);\r\n float z = cos(theta);\r\n vec3 N = vec3(x,y,z);\r\n vec3 V = N;\r\n for (int i = 0; i < SAMPLE_COUNT; ++i)\r\n {\r\n // break at smaller sample numbers for low roughness levels\r\n if(i == lowRoughnessLimit)\r\n {\r\n break;\r\n }\r\n vec2 Xi = HammersleyNoBitOps(i, SAMPLE_COUNT);\r\n vec3 H = ImportanceSampleGGX(Xi, N, roughness);\r\n vec3 L = normalize(2.0 * dot(V, H) * H - V);\r\n\r\n float NdotL = max(dot(N, L), 0.0);\r\n if (NdotL > 0.0)\r\n {\r\n prefilteredColor += texture2D(environmentMap, nTOE(L)).xyz * NdotL;\r\n totalWeight += NdotL;\r\n }\r\n }\r\n prefilteredColor = prefilteredColor / totalWeight;\r\n\r\n gl_FragColor = vec4(prefilteredColor, 1.0);\r\n}\r\n\r\nvec3 ImportanceSampleGGX(vec2 Xi, vec3 N, float roughness){\r\n float a = roughness * roughness;\r\n\r\n float phi = 2.0 * PI * Xi.x;\r\n float cosTheta = sqrt((1.0 - Xi.y) / (1.0 + (a * a - 1.0) * Xi.y));\r\n float sinTheta = sqrt(1.0 - cosTheta * cosTheta);\r\n // from spherical coordinates to cartesian coordinates\r\n vec3 H;\r\n H.x = cos(phi) * sinTheta;\r\n H.y = sin(phi) * sinTheta;\r\n H.z = cosTheta;\r\n\r\n // from tangent-space vector to world-space sample vector\r\n vec3 up = abs(N.z) < 0.999 ? vec3(0.0, 0.0, 1.0) : vec3(1.0, 0.0, 0.0);\r\n vec3 tangent = normalize(cross(up, N));\r\n vec3 bitangent = cross(N, tangent);\r\n\r\n vec3 sampleVec = tangent * H.x + bitangent * H.y + N * H.z;\r\n return normalize(sampleVec);\r\n}\r\n\r\n\r\nfloat VanDerCorput(int n, int base)\r\n{\r\n#ifdef WEBGL2\r\n\r\n uint bits = uint(n);\r\n bits = (bits << 16u) | (bits >> 16u);\r\n bits = ((bits & 0x55555555u) << 1u) | ((bits & 0xAAAAAAAAu) >> 1u);\r\n bits = ((bits & 0x33333333u) << 2u) | ((bits & 0xCCCCCCCCu) >> 2u);\r\n bits = ((bits & 0x0F0F0F0Fu) << 4u) | ((bits & 0xF0F0F0F0u) >> 4u);\r\n bits = ((bits & 0x00FF00FFu) << 8u) | ((bits & 0xFF00FF00u) >> 8u);\r\n return float(bits) * 2.3283064365386963e-10; // / 0x100000000\r\n\r\n#else\r\n\r\n float invBase = 1.0 / float(base);\r\n float denom = 1.0;\r\n float result = 0.0;\r\n\r\n\r\n for (int i = 0; i < 32; ++i)\r\n {\r\n if (n > 0)\r\n {\r\n denom = mod(float(n), 2.0);\r\n result += denom * invBase;\r\n invBase = invBase / 2.0;\r\n n = int(float(n) / 2.0);\r\n }\r\n }\r\n\r\n\r\n return result;\r\n\r\n#endif\r\n}\r\n\r\nvec2 HammersleyNoBitOps(int i, int N)\r\n{\r\n return vec2(float(i) / float(N), VanDerCorput(i, 2));\r\n}\r\n"},M=E.sphereMappingFrag;for(x in E)E[x]="#ifdef WEBGL2\n\n#define IN in\n#define OUT out\n\n#ifdef FRAGMENT_SHADER\nout vec4 outColor;\n#define OUT_COLOR outColor\n#endif\n#define TEXTURE texture\n\n#else\n\n#ifdef FRAGMENT_SHADER\n#define IN varying\n#else\n#define IN attribute\n#endif\n#define OUT varying\n#define TEXTURE texture2D\n\n#ifdef FRAGMENT_SHADER\n#define OUT_COLOR gl_FragColor\n#endif\n\n#endif\n"+E[x];j(e={},l.GRAY,"precision highp float;\n\nvarying vec2 vTexCoord;\n\nuniform sampler2D tex0;\n\nfloat luma(vec3 color) {\n // weighted grayscale with luminance values\n return dot(color, vec3(0.2126, 0.7152, 0.0722));\n}\n\nvoid main() {\n vec4 tex = texture2D(tex0, vTexCoord);\n float gray = luma(tex.rgb);\n gl_FragColor = vec4(gray, gray, gray, tex.a);\n}\n"),j(e,l.ERODE,"// Reduces the bright areas in an image\n\nprecision highp float;\n\nvarying vec2 vTexCoord;\n\nuniform sampler2D tex0;\nuniform vec2 texelSize;\n\nfloat luma(vec3 color) {\n // weighted grayscale with luminance values\n // weights 77, 151, 28 taken from src/image/filters.js\n return dot(color, vec3(0.300781, 0.589844, 0.109375));\n}\n\nvoid main() {\n vec4 color = texture2D(tex0, vTexCoord);\n float lum = luma(color.rgb);\n\n // set current color as the darkest neighbor color\n\n vec4 neighbors[4];\n neighbors[0] = texture2D(tex0, vTexCoord + vec2( texelSize.x, 0.0));\n neighbors[1] = texture2D(tex0, vTexCoord + vec2(-texelSize.x, 0.0));\n neighbors[2] = texture2D(tex0, vTexCoord + vec2(0.0, texelSize.y));\n neighbors[3] = texture2D(tex0, vTexCoord + vec2(0.0, -texelSize.y));\n\n for (int i = 0; i < 4; i++) {\n vec4 neighborColor = neighbors[i];\n float neighborLum = luma(neighborColor.rgb);\n\n if (neighborLum < lum) {\n color = neighborColor;\n lum = neighborLum;\n }\n }\n\n gl_FragColor = color;\n}\n"),j(e,l.DILATE,"// Increase the bright areas in an image\n\nprecision highp float;\n\nvarying vec2 vTexCoord;\n\nuniform sampler2D tex0;\nuniform vec2 texelSize;\n\nfloat luma(vec3 color) {\n // weighted grayscale with luminance values\n // weights 77, 151, 28 taken from src/image/filters.js\n return dot(color, vec3(0.300781, 0.589844, 0.109375));\n}\n\nvoid main() {\n vec4 color = texture2D(tex0, vTexCoord);\n float lum = luma(color.rgb);\n\n // set current color as the brightest neighbor color\n\n vec4 neighbors[4];\n neighbors[0] = texture2D(tex0, vTexCoord + vec2( texelSize.x, 0.0));\n neighbors[1] = texture2D(tex0, vTexCoord + vec2(-texelSize.x, 0.0));\n neighbors[2] = texture2D(tex0, vTexCoord + vec2(0.0, texelSize.y));\n neighbors[3] = texture2D(tex0, vTexCoord + vec2(0.0, -texelSize.y));\n\n for (int i = 0; i < 4; i++) {\n vec4 neighborColor = neighbors[i];\n float neighborLum = luma(neighborColor.rgb);\n\n if (neighborLum > lum) {\n color = neighborColor;\n lum = neighborLum;\n }\n }\n\n gl_FragColor = color;\n}\n"),j(e,l.BLUR,"precision highp float;\n\n// Two-pass blur filter, unweighted kernel.\n// See also a similar blur at Adam Ferriss' repo of shader examples:\n// https://github.com/aferriss/p5jsShaderExamples/blob/gh-pages/4_image-effects/4-9_single-pass-blur/effect.frag\n\n\nuniform sampler2D tex0;\nvarying vec2 vTexCoord;\nuniform vec2 direction;\nuniform vec2 canvasSize;\nuniform float radius;\n\nfloat random(vec2 p) {\n vec3 p3 = fract(vec3(p.xyx) * .1031);\n p3 += dot(p3, p3.yzx + 33.33);\n return fract((p3.x + p3.y) * p3.z);\n}\n\n// This isn't a real Gaussian weight, it's a quadratic weight. It's what the\n// CPU mode's blur uses though, so we also use it here to match.\nfloat quadWeight(float x, float e) {\n return pow(e-abs(x), 2.);\n}\n\nvoid main(){\n vec2 uv = vTexCoord;\n\n // A reasonable maximum number of samples\n const float maxSamples = 64.0;\n\n float numSamples = floor(7. * radius);\n if (fract(numSamples / 2.) == 0.) {\n numSamples++;\n }\n vec4 avg = vec4(0.0);\n float total = 0.0;\n\n // Calculate the spacing to avoid skewing if numSamples > maxSamples\n float spacing = 1.0;\n if (numSamples > maxSamples) {\n spacing = numSamples / maxSamples;\n numSamples = maxSamples;\n }\n\n float randomOffset = (spacing - 1.0) * mix(-0.5, 0.5, random(gl_FragCoord.xy));\n for (float i = 0.0; i < maxSamples; i++) {\n if (i >= numSamples) break;\n\n float sample = i * spacing - (numSamples - 1.0) * 0.5 * spacing + randomOffset;\n vec2 sampleCoord = uv + vec2(sample, sample) / canvasSize * direction;\n float weight = quadWeight(sample, (numSamples - 1.0) * 0.5 * spacing);\n\n avg += weight * texture2D(tex0, sampleCoord);\n total += weight;\n }\n\n avg /= total;\n gl_FragColor = avg;\n}\n"),j(e,l.POSTERIZE,"// Limit color space for a stylized cartoon / poster effect\n\nprecision highp float;\n\nvarying vec2 vTexCoord;\n\nuniform sampler2D tex0;\nuniform float filterParameter;\n\nvec3 quantize(vec3 color, float n) {\n // restrict values to N options/bins\n // and floor each channel to nearest value\n //\n // eg. when N = 5, values = 0.0, 0.25, 0.50, 0.75, 1.0\n // then quantize (0.1, 0.7, 0.9) -> (0.0, 0.5, 1.0)\n\n color = color * n;\n color = floor(color);\n color = color / (n - 1.0);\n return color;\n}\n\nvoid main() {\n vec4 color = texture2D(tex0, vTexCoord);\n\n vec3 restrictedColor = quantize(color.rgb / color.a, filterParameter);\n\n gl_FragColor = vec4(restrictedColor.rgb * color.a, color.a);\n}\n"),j(e,l.OPAQUE,"// Set alpha channel to entirely opaque\n\nprecision highp float;\n\nvarying vec2 vTexCoord;\n\nuniform sampler2D tex0;\n\nvoid main() {\n vec4 color = texture2D(tex0, vTexCoord);\n gl_FragColor = vec4(color.rgb / color.a, 1.0);\n}\n"),j(e,l.INVERT,"// Set each pixel to inverse value\n// Note that original INVERT does not change the opacity, so this follows suit\n\nprecision highp float;\n\nvarying vec2 vTexCoord;\n\nuniform sampler2D tex0;\n\nvoid main() {\nvec4 color = texture2D(tex0, vTexCoord);\nvec3 origColor = color.rgb / color.a;\nvec3 invertedColor = vec3(1.0) - origColor;\ngl_FragColor = vec4(invertedColor * color.a, color.a);\n}\n"),j(e,l.THRESHOLD,"// Convert pixels to either white or black, \n// depending on if their luma is above or below filterParameter\n\nprecision highp float;\n\nvarying vec2 vTexCoord;\n\nuniform sampler2D tex0;\nuniform float filterParameter;\n\nfloat luma(vec3 color) {\n // weighted grayscale with luminance values\n return dot(color, vec3(0.2126, 0.7152, 0.0722));\n}\n\nvoid main() {\n vec4 color = texture2D(tex0, vTexCoord);\n float gray = luma(color.rgb / color.a);\n // floor() used to match src/image/filters.js\n float threshold = floor(filterParameter * 255.0) / 255.0;\n float blackOrWhite = step(threshold, gray);\n gl_FragColor = vec4(vec3(blackOrWhite) * color.a, color.a);\n}\n");var k=e;function O(e,t,r,o,n,s,i,a,l,u){var c=t.getParameter(t.FRAMEBUFFER_BINDING),r=(t.bindFramebuffer(t.FRAMEBUFFER,r),a===t.RGBA?4:3),d=s*i*r,h=l===t.UNSIGNED_BYTE?Uint8Array:Float32Array;if(e instanceof h&&e.length===d||(e=new h(d)),t.readPixels(o,u?u-n-i:n,s,i,a,l,e),t.bindFramebuffer(t.FRAMEBUFFER,c),u)for(var f=Math.floor(i/2),p=new h(s*r),m=0;m>7,127&d,c>>7,127&c);for(var h=0;h>7,127&f,0,0)}}return{cellImageInfo:a,dimOffset:t,dimImageInfo:n}}}}]),t}();B.default.RendererGL.prototype._renderText=function(e,t,r,o,n){if(this._textFont&&"string"!=typeof this._textFont){if(!(n<=o)&&this._doFill){if(this._isOpenType()){e.push();var n=this._doStroke,s=this.drawMode,i=(this._doStroke=!1,this.drawMode=E.TEXTURE,this._textFont.font),a=(a=this._textFont._fontInfo)||(this._textFont._fontInfo=new M(i)),r=this._textFont._handleAlignment(this,t,r,o),o=this._textSize/i.unitsPerEm,l=(this.translate(r.x,r.y,0),this.scale(o,o,1),this.GL),r=!this._defaultFontShader,u=this._getFontShader(),c=(u.init(),u.bindShader(),r&&(u.setUniform("uGridImageSize",[64,64]),u.setUniform("uCellsImageSize",[64,64]),u.setUniform("uStrokeImageSize",[64,64]),u.setUniform("uGridSize",[9,9])),this._applyColorBlend(this.curFillColor),this.retainedMode.geometry.glyph),d=(c||((o=this._textGeom=new B.default.Geometry(1,1,function(){for(var e=0;e<=1;e++)for(var t=0;t<=1;t++)this.vertices.push(new B.default.Vector(t,e,0)),this.uvs.push(t,e)})).computeFaces().computeNormals(),c=this.createBuffers("glyph",o)),!0),r=!1,o=void 0;try{for(var h,f=this.retainedMode.buffers.text[Symbol.iterator]();!(d=(h=f.next()).done);d=!0)h.value._prepareBuffer(c,u)}catch(e){r=!0,o=e}finally{try{d||null==f.return||f.return()}finally{if(r)throw o}}this._bindBuffer(c.indexBuffer,l.ELEMENT_ARRAY_BUFFER),u.setUniform("uMaterialColor",this.curFillColor),l.pixelStorei(l.UNPACK_PREMULTIPLY_ALPHA_WEBGL,!1);try{var p=0,m=null,y=i.stringToGlyphs(t),g=!0,v=!1,b=void 0;try{for(var j,_=y[Symbol.iterator]();!(g=(j=_.next()).done);g=!0){var x,w,S=j.value,T=(m&&(p+=i.getKerningValue(m,S)),a.getGlyphInfo(S));T.uGlyphRect&&(x=T.rowInfo,w=T.colInfo,u.setUniform("uSamplerStrokes",T.strokeImageInfo.imageData),u.setUniform("uSamplerRowStrokes",x.cellImageInfo.imageData),u.setUniform("uSamplerRows",x.dimImageInfo.imageData),u.setUniform("uSamplerColStrokes",w.cellImageInfo.imageData),u.setUniform("uSamplerCols",w.dimImageInfo.imageData),u.setUniform("uGridOffset",T.uGridOffset),u.setUniform("uGlyphRect",T.uGlyphRect),u.setUniform("uGlyphOffset",p),u.bindTextures(),l.drawElements(l.TRIANGLES,6,this.GL.UNSIGNED_SHORT,0)),p+=S.advanceWidth,m=S}}catch(e){v=!0,b=e}finally{try{g||null==_.return||_.return()}finally{if(v)throw b}}}finally{u.unbindShader(),this._doStroke=n,this.drawMode=s,l.pixelStorei(l.UNPACK_PREMULTIPLY_ALPHA_WEBGL,!0),e.pop()}}else console.log("WEBGL: only Opentype (.otf) and Truetype (.ttf) fonts are supported");return e}}else console.log("WEBGL: you must load and set a font before drawing text. See `loadFont` and `textFont` for more details.")}},{"../core/constants":272,"../core/main":283,"./p5.RendererGL.Retained":340,"./p5.Shader":342,"core-js/modules/es.array.iterator":165,"core-js/modules/es.object.get-own-property-descriptor":186,"core-js/modules/es.object.to-string":190,"core-js/modules/es.regexp.exec":195,"core-js/modules/es.string.iterator":200,"core-js/modules/es.string.split":206,"core-js/modules/es.string.sub":208,"core-js/modules/es.symbol":212,"core-js/modules/es.symbol.description":210,"core-js/modules/es.symbol.iterator":211,"core-js/modules/es.weak-map":244,"core-js/modules/web.dom-collections.iterator":246}]},{},[267])(267)}); \ No newline at end of file diff --git a/examples/texture-overlay-inside/lib/p5.grain.min.js b/examples/texture-overlay-inside/lib/p5.grain.min.js index 5f132fa..bdb8a1b 100644 --- a/examples/texture-overlay-inside/lib/p5.grain.min.js +++ b/examples/texture-overlay-inside/lib/p5.grain.min.js @@ -1,8 +1,8 @@ /**! * p5.grain * - * @version 0.7.0 + * @version 0.8.0 * @license MIT * @copyright meezwhite, Gorilla Sun */ -class P5Grain{version="0.7.0";instance;#t;#i;#n;constructor(){this.#t=Math.random,this.#i={frameCount:0},this.#n={frameCount:0,tX_anchor:0,tX:0,tY:0}}setup(t){void 0===t?this.#t=random:"object"==typeof t&&("function"==typeof t.random&&(this.#t=t.random),"object"==typeof t.instance&&(this.instance=t.instance))}granulateSimple(t,i,n){this.applyMonochromaticGrain(t,i,n)}applyMonochromaticGrain(t,i,n){const e=this.instance?this.instance.round(t):round(t),a=i||!1;n?n.loadPixels():this.instance?this.instance.loadPixels():loadPixels();const s=n?n.pixelDensity():this.instance?this.instance.pixelDensity():pixelDensity(),r=(n?n.width:this.instance?this.instance.width:width)*s*4*((n?n.height:this.instance?this.instance.height:height)*s),h=n?n.pixels:this.instance?this.instance.pixels:pixels;for(let t=0;t=n){const n=i&&i.amount?this.instance?this.instance.round(i.amount):round(i.amount):this.instance?this.instance.min(this.instance.width,this.instance.height):min(width,height),e=this.#t()*n,a=this.#t()*n,s=this.instance?this.instance.floor(e):floor(e),r=this.instance?this.instance.floor(a):floor(a),h=`${s}px ${r}px`;t instanceof HTMLElement?t.style.backgroundPosition=h:t instanceof SVGElement?(t.style.top=-r+"px",t.style.left=-s+"px"):t instanceof p5.Element&&t.style("background-position",h),this.#i.frameCount=0}}textureOverlay(t,i,n){const e=n instanceof p5.Graphics,a=e?n.width:this.instance?this.instance.width:width,s=e?n.height:this.instance?this.instance.height:height,r=i&&i.mode?i.mode:this.instance?this.instance.MULTIPLY:MULTIPLY,h=!(!i||!i.reflect)&&i.reflect,o=!(!i||!i.animate)&&i.animate,c=i&&i.animate&&i.animate.atFrame?this.instance?this.instance.round(i.animate.atFrame):round(i.animate.atFrame):2,l=i&&i.animate&&i.animate.amount?this.instance?this.instance.round(i.animate.amount):round(i.animate.amount):this.instance?this.instance.min(a,s):min(a,s),p=i&&"number"==typeof i.width?i.width:t.width,u=i&&"number"==typeof i.height?i.height:t.height;if(o&&(this.#n.frameCount+=1,this.#n.frameCount>=c)){const t=this.#t()*l,i=this.#t()*l;this.#n.tX_anchor=this.instance?-this.instance.floor(t):-floor(t),this.#n.tY=this.instance?-this.instance.floor(i):-floor(i),this.#n.frameCount=0}let m=this.#n.tX_anchor,d=this.#n.tY,x=!0,g=!0;for(n?n.blendMode(r):this.instance?this.instance.blendMode(r):blendMode(r);d=a){g=!0,m=this.#n.tX_anchor,d+=u;break}g=!g}x=!x}n?n.blendMode(this.instance?this.instance.BLEND:BLEND):this.instance?this.instance.blendMode(this.instance.BLEND):blendMode(BLEND),e&&n.reset()}#e(t,i){return t=Math.ceil(t),i=Math.floor(i),Math.floor(this.#t()*(i-t+1)+t)}}const p5grain=new P5Grain;p5.prototype.granulateSimple=function(t,i){return p5grain.granulateSimple(t,i)},p5.Graphics.prototype.granulateSimple=function(t,i){return p5grain.granulateSimple(t,i,this)},p5.prototype.granulateChannels=function(t,i){return p5grain.granulateChannels(t,i)},p5.Graphics.prototype.granulateChannels=function(t,i){return p5grain.granulateChannels(t,i,this)},p5.prototype.applyMonochromaticGrain=function(t,i){return p5grain.applyMonochromaticGrain(t,i)},p5.Graphics.prototype.applyMonochromaticGrain=function(t,i){return p5grain.applyMonochromaticGrain(t,i,this)},p5.prototype.applyChromaticGrain=function(t,i){return p5grain.applyChromaticGrain(t,i)},p5.Graphics.prototype.applyChromaticGrain=function(t,i){return p5grain.applyChromaticGrain(t,i,this)},p5.prototype.tinkerPixels=function(t,i){return p5grain.tinkerPixels(t,i)},p5.Graphics.prototype.tinkerPixels=function(t,i){return p5grain.tinkerPixels(t,i,this)},p5.prototype.loopPixels=function(t,i){return p5grain.loopPixels(t,i)},p5.Graphics.prototype.loopPixels=function(t,i){return p5grain.loopPixels(t,i,this)},p5.prototype.textureAnimate=function(t,i){return p5grain.textureAnimate(t,i)},p5.prototype.textureOverlay=function(t,i){return p5grain.textureOverlay(t,i)},p5.Graphics.prototype.textureOverlay=function(t,i){return p5grain.textureOverlay(t,i,this)}; +class P5Grain{version="0.8.0";instance;#t;#i;#e;#n;#a;constructor(){this.#s("float"),this.#n={frameCount:0},this.#a={frameCount:0,tX_anchor:0,tX:0,tY:0}}setup(t){"object"==typeof t&&("function"==typeof t.random&&(this.#t=t.random),"string"==typeof t.randomMode&&this.#s(t.randomMode),"object"==typeof t.instance&&(this.instance=t.instance)),void 0===this.#t&&(this.#t=p5.prototype.random)}applyMonochromaticGrain(t,i,e){const n=i||!1;let a,s,r,o;e?(e.loadPixels(),a=e.pixelDensity(),s=e.width,r=e.height,o=e.pixels):this.instance?(this.instance.loadPixels(),a=this.instance.pixelDensity(),s=this.instance.width,r=this.instance.height,o=this.instance.pixels):(loadPixels(),a=pixelDensity(),s=width,r=height,o=pixels);const h=s*a*4*(r*a),{min:p,max:c}=this.#r(-t,t);for(let t=0;t=e){const e=i&&i.amount?Math.round(i.amount):this.instance?Math.min(this.instance.width,this.instance.height):Math.min(width,height),n=this.#t()*e,a=this.#t()*e,s=Math.floor(n),r=Math.floor(a),o=`${s}px ${r}px`;t instanceof HTMLElement?t.style.backgroundPosition=o:t instanceof SVGElement?(t.style.top=-r+"px",t.style.left=-s+"px"):t instanceof p5.Element&&t.style("background-position",o),this.#n.frameCount=0}}textureOverlay(t,i,e){const n=e instanceof p5.Graphics;let a,s;n?(a=e.width,s=e.height):this.instance?(a=this.instance.width,s=this.instance.height):(a=width,s=height);const r=i&&i.mode?i.mode:this.instance?this.instance.MULTIPLY:MULTIPLY,o=!(!i||!i.reflect)&&i.reflect,h=!(!i||!i.animate)&&i.animate,p=i&&i.animate&&i.animate.atFrame?Math.round(i.animate.atFrame):2,c=i&&i.animate&&i.animate.amount?Math.round(i.animate.amount):Math.min(a,s),l=i&&"number"==typeof i.width?i.width:t.width,m=i&&"number"==typeof i.height?i.height:t.height;if(h&&(this.#a.frameCount+=1,this.#a.frameCount>=p)){const t=this.#t()*c,i=this.#t()*c;this.#a.tX_anchor=-Math.floor(t),this.#a.tY=-Math.floor(i),this.#a.frameCount=0}let d=this.#a.tX_anchor,u=this.#a.tY,x=!0,y=!0;for(e?e.blendMode(r):this.instance?this.instance.blendMode(r):blendMode(r);u=a){y=!0,d=this.#a.tX_anchor,u+=m;break}y=!y}x=!x}e?e.blendMode(this.instance?this.instance.BLEND:BLEND):this.instance?this.instance.blendMode(this.instance.BLEND):blendMode(BLEND),n&&e.reset()}#s(t){switch(t){case"int":this.#e=1,this.#i=this.#o;break;case"float":this.#e=0,this.#i=this.#h}}#r(t,i){return 1==this.#e?{min:Math.ceil(t),max:Math.floor(i)}:{min:t,max:i}}#o(t,i){return Math.floor(this.#t()*(i-t+1)+t)}#h(t,i){return this.#t()*(i-t)+t}}const p5grain=new P5Grain;p5.prototype.applyMonochromaticGrain=function(t,i){return p5grain.applyMonochromaticGrain(t,i)},p5.Graphics.prototype.applyMonochromaticGrain=function(t,i){return p5grain.applyMonochromaticGrain(t,i,this)},p5.Image.prototype.applyMonochromaticGrain=function(t,i){return p5grain.applyMonochromaticGrain(t,i,this)},p5.prototype.applyChromaticGrain=function(t,i){return p5grain.applyChromaticGrain(t,i)},p5.Graphics.prototype.applyChromaticGrain=function(t,i){return p5grain.applyChromaticGrain(t,i,this)},p5.Image.prototype.applyChromaticGrain=function(t,i){return p5grain.applyChromaticGrain(t,i,this)},p5.prototype.tinkerPixels=function(t,i){return p5grain.tinkerPixels(t,i)},p5.Graphics.prototype.tinkerPixels=function(t,i){return p5grain.tinkerPixels(t,i,this)},p5.Image.prototype.tinkerPixels=function(t,i){return p5grain.tinkerPixels(t,i,this)},p5.prototype.loopPixels=function(t,i){return p5grain.loopPixels(t,i)},p5.Graphics.prototype.loopPixels=function(t,i){return p5grain.loopPixels(t,i,this)},p5.Image.prototype.loopPixels=function(t,i){return p5grain.loopPixels(t,i,this)},p5.prototype.textureAnimate=function(t,i){return p5grain.textureAnimate(t,i)},p5.prototype.textureOverlay=function(t,i){return p5grain.textureOverlay(t,i)},p5.Graphics.prototype.textureOverlay=function(t,i){return p5grain.textureOverlay(t,i,this)}; diff --git 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                                                                                      Grid Output

                                                                                        '),this.dummyDOM.querySelector(i)?this.dummyDOM.querySelector(i).insertAdjacentHTML("afterend",n):this.dummyDOM.querySelector("#".concat(o)).innerHTML=n,this._accessibleOutputs[r].map=this.dummyDOM.querySelector("#".concat(r,"_map"))),this._accessibleOutputs[r].shapeDetails=this.dummyDOM.querySelector("#".concat(r,"_shapeDetails")),this._accessibleOutputs[r].summary=this.dummyDOM.querySelector("#".concat(r,"_summary"))},o.default.prototype._updateAccsOutput=function(){var e=this.canvas.id;JSON.stringify(this.ingredients.shapes)!==this.ingredients.pShapes&&(this.ingredients.pShapes=JSON.stringify(this.ingredients.shapes),this._accessibleOutputs.text&&this._updateTextOutput(e+"textOutput"),this._accessibleOutputs.grid&&this._updateGridOutput(e+"gridOutput"),this._accessibleOutputs.textLabel&&this._updateTextOutput(e+"textOutputLabel"),this._accessibleOutputs.gridLabel&&this._updateGridOutput(e+"gridOutputLabel"))},o.default.prototype._accsBackground=function(e){this.ingredients.pShapes=JSON.stringify(this.ingredients.shapes),this.ingredients.shapes={},this.ingredients.colors.backgroundRGBA!==e&&(this.ingredients.colors.backgroundRGBA=e,this.ingredients.colors.background=this._rgbColorName(e))},o.default.prototype._accsCanvasColors=function(e,t){"fill"===e?this.ingredients.colors.fillRGBA!==t&&(this.ingredients.colors.fillRGBA=t,this.ingredients.colors.fill=this._rgbColorName(t)):"stroke"===e&&this.ingredients.colors.strokeRGBA!==t&&(this.ingredients.colors.strokeRGBA=t,this.ingredients.colors.stroke=this._rgbColorName(t))},o.default.prototype._accsOutput=function(e,t){"ellipse"===e&&t[2]===t[3]?e="circle":"rectangle"===e&&t[2]===t[3]&&(e="square");var r,o,n={},s=!0,i=function(e,t){var r;e="rectangle"===e||"ellipse"===e||"arc"===e||"circle"===e||"square"===e?(r=Math.round(t[0]+t[2]/2),Math.round(t[1]+t[3]/2)):"triangle"===e?(r=(t[0]+t[2]+t[4])/3,(t[1]+t[3]+t[5])/3):"quadrilateral"===e?(r=(t[0]+t[2]+t[4]+t[6])/4,(t[1]+t[3]+t[5]+t[7])/4):"line"===e?(r=(t[0]+t[2])/2,(t[1]+t[3])/2):(r=t[0],t[1]);return[r,e]}(e,t);if("line"===e?(n.color=this.ingredients.colors.stroke,n.length=Math.round(this.dist(t[0],t[1],t[2],t[3])),r=this._getPos(t[0],[1]),o=this._getPos(t[2],[3]),n.loc=u(i,this.width,this.height),n.pos=r===o?"at ".concat(r):"from ".concat(r," to ").concat(o)):("point"===e?n.color=this.ingredients.colors.stroke:(n.color=this.ingredients.colors.fill,n.area=this._getArea(e,t)),n.pos=this._getPos.apply(this,l(i)),n.loc=u(i,this.width,this.height)),this.ingredients.shapes[e]){if(this.ingredients.shapes[e]!==[n]){for(var a in this.ingredients.shapes[e])JSON.stringify(this.ingredients.shapes[e][a])===JSON.stringify(n)&&(s=!1);!0===s&&this.ingredients.shapes[e].push(n)}}else this.ingredients.shapes[e]=[n]},o.default.prototype._getPos=function(e,t){var e=new DOMPointReadOnly(e,t),t=this._renderer.isP3D?new DOMMatrix(this._renderer.uMVMatrix.mat4):this.drawingContext.getTransform(),e=e.matrixTransform(t),t=e.x,e=e.y,r=this.width,o=this.height;return t<.4*r?e<.4*o?"top left":.6*oMath.PI?n+=o:n-=o)):"ellipse"===e||"circle"===e?n=3.14*t[2]/2*t[3]/2:"line"===e||"point"===e?n=0:"quadrilateral"===e?n=Math.abs((t[6]+t[0])*(t[7]-t[1])+(t[0]+t[2])*(t[1]-t[3])+(t[2]+t[4])*(t[3]-t[5])+(t[4]+t[6])*(t[5]-t[7]))/2:"rectangle"===e||"square"===e?n=t[2]*t[3]:"triangle"===e&&(n=Math.abs(t[0]*(t[3]-t[5])+t[2]*(t[5]-t[1])+t[4]*(t[1]-t[3]))/2),this.width*this._pixelDensity),i=this.height*this._pixelDensity,a=[new DOMPoint(0,0),new DOMPoint(s,0),new DOMPoint(s,i),new DOMPoint(0,i)],l=(this._renderer.isP3D?new 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strict";e("core-js/modules/es.array.concat"),e("core-js/modules/es.array.concat"),Object.defineProperty(r,"__esModule",{value:!0}),r.default=void 0;e=(e=e("../core/main"))&&e.__esModule?e:{default:e};e.default.prototype._updateTextOutput=function(e){var t,r,o,n;this.dummyDOM.querySelector("#".concat(e,"_summary"))&&(t=this._accessibleOutputs[e],o=function(e,t,r,o){r="Your output is a, ".concat(r," by ").concat(o," pixels, ").concat(t," canvas containing the following");r=1===e?"".concat(r," shape:"):"".concat(r," ").concat(e," shapes:");return r}((r=function(e,t){var r,o="",n=0;for(r in t)for(var s in t[r]){var i='
                                                                                      • ').concat(t[r][s].color," ").concat(r,"");"line"===r?i+=", ".concat(t[r][s].pos,", ").concat(t[r][s].length," pixels long.
                                                                                        • "):(i+=", at ".concat(t[r][s].pos),"point"!==r&&(i+=", covering ".concat(t[r][s].area,"% of the canvas")),i+="."),o+=i,n++}return{numShapes:n,listShapes:o}}(e,this.ingredients.shapes)).numShapes,this.ingredients.colors.background,this.width,this.height),n=function(e,t){var r,o="",n=0;for(r in t)for(var s in t[r]){var i='').concat(t[r][s].color," ").concat(r,"");"line"===r?i+="location = ".concat(t[r][s].pos,"length = ").concat(t[r][s].length," pixels"):(i+="location = ".concat(t[r][s].pos,""),"point"!==r&&(i+=" area = ".concat(t[r][s].area,"%")),i+=""),o+=i,n++}return 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curve (after t1)?\n if (y1 ? !y2 : y0) {\n // add the coverage for t1\n coverage.x += saturate(C1.x + 0.5);\n // calculate the anti-aliasing for t1\n weight.x = min(weight.x, abs(C1.x));\n }\n\n // are we outside the curve (after t2)?\n if (y1 ? !y0 : y2) {\n // subtract the coverage for t2\n coverage.x -= saturate(C2.x + 0.5);\n // calculate the anti-aliasing for t2\n weight.x = min(weight.x, abs(C2.x));\n }\n}\n\n// this is essentially the same as coverageX, but with the axes swapped\nvoid coverageY(vec2 p0, vec2 p1, vec2 p2) {\n\n vec2 C1, C2;\n calulateCrossings(p0, p1, p2, C1, C2);\n\n bool x0 = p0.x > vTexCoord.x;\n bool x1 = p1.x > vTexCoord.x;\n bool x2 = p2.x > vTexCoord.x;\n\n if (x1 ? !x2 : x0) {\n coverage.y -= saturate(C1.y + 0.5);\n weight.y = min(weight.y, abs(C1.y));\n }\n\n if (x1 ? !x0 : x2) {\n coverage.y += saturate(C2.y + 0.5);\n weight.y = min(weight.y, abs(C2.y));\n }\n}\n\nvoid main() {\n\n // calculate the pixel scale based on screen-coordinates\n pixelScale = hardness / fwidth(vTexCoord);\n\n // which grid cell is this pixel in?\n ivec2 gridCoord = ifloor(vTexCoord * vec2(uGridSize));\n\n // intersect curves in this row\n {\n // the index into the row info bitmap\n int rowIndex = gridCoord.y + uGridOffset.y;\n // fetch the info texel\n vec4 rowInfo = getTexel(uSamplerRows, rowIndex, uGridImageSize);\n // unpack the rowInfo\n int rowStrokeIndex = getInt16(rowInfo.xy);\n int rowStrokeCount = getInt16(rowInfo.zw);\n\n for (int iRowStroke = INT(0); iRowStroke < N; iRowStroke++) {\n if (iRowStroke >= rowStrokeCount)\n break;\n\n // each stroke is made up of 3 points: the start and control point\n // and the start of the next curve.\n // fetch the indices of this pair of strokes:\n vec4 strokeIndices = getTexel(uSamplerRowStrokes, rowStrokeIndex++, uCellsImageSize);\n\n // unpack the stroke index\n int strokePos = getInt16(strokeIndices.xy);\n\n // fetch the two strokes\n vec4 stroke0 = getTexel(uSamplerStrokes, strokePos + INT(0), uStrokeImageSize);\n vec4 stroke1 = getTexel(uSamplerStrokes, strokePos + INT(1), uStrokeImageSize);\n\n // calculate the coverage\n coverageX(stroke0.xy, stroke0.zw, stroke1.xy);\n }\n }\n\n // intersect curves in this column\n {\n int colIndex = gridCoord.x + uGridOffset.x;\n vec4 colInfo = getTexel(uSamplerCols, colIndex, uGridImageSize);\n int colStrokeIndex = getInt16(colInfo.xy);\n int colStrokeCount = getInt16(colInfo.zw);\n \n for (int iColStroke = INT(0); iColStroke < N; iColStroke++) {\n if (iColStroke >= colStrokeCount)\n break;\n\n vec4 strokeIndices = getTexel(uSamplerColStrokes, colStrokeIndex++, uCellsImageSize);\n\n int strokePos = getInt16(strokeIndices.xy);\n vec4 stroke0 = getTexel(uSamplerStrokes, strokePos + INT(0), uStrokeImageSize);\n vec4 stroke1 = getTexel(uSamplerStrokes, strokePos + INT(1), uStrokeImageSize);\n coverageY(stroke0.xy, stroke0.zw, stroke1.xy);\n }\n }\n\n weight = saturate(1.0 - weight * 2.0);\n float distance = max(weight.x + weight.y, minDistance); // manhattan approx.\n float antialias = abs(dot(coverage, weight) / distance);\n float cover = min(abs(coverage.x), abs(coverage.y));\n OUT_COLOR = vec4(uMaterialColor.rgb, 1.) * uMaterialColor.a;\n OUT_COLOR *= saturate(max(antialias, cover));\n}\n",lineVert:T+"/*\n Part of the Processing project - http://processing.org\n Copyright (c) 2012-15 The Processing Foundation\n Copyright (c) 2004-12 Ben Fry and Casey Reas\n Copyright (c) 2001-04 Massachusetts Institute of Technology\n This library is free software; you can redistribute it and/or\n modify it under the terms of the GNU Lesser General Public\n License as published by the Free Software Foundation, version 2.1.\n This library is distributed in the hope that it will be useful,\n but WITHOUT ANY WARRANTY; without even the implied warranty of\n MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU\n Lesser General Public License for more details.\n You should have received a copy of the GNU Lesser General\n Public License along with this library; if not, write to the\n Free Software Foundation, Inc., 59 Temple Place, Suite 330,\n Boston, MA 02111-1307 USA\n*/\n\n#define PROCESSING_LINE_SHADER\n\nprecision mediump int;\n\nuniform mat4 uModelViewMatrix;\nuniform mat4 uProjectionMatrix;\nuniform float uStrokeWeight;\n\nuniform bool uUseLineColor;\nuniform vec4 uMaterialColor;\n\nuniform vec4 uViewport;\nuniform int uPerspective;\nuniform int uStrokeJoin;\n\nIN vec4 aPosition;\nIN vec3 aTangentIn;\nIN vec3 aTangentOut;\nIN float aSide;\nIN vec4 aVertexColor;\n\nOUT vec4 vColor;\nOUT vec2 vTangent;\nOUT vec2 vCenter;\nOUT vec2 vPosition;\nOUT float vMaxDist;\nOUT float vCap;\nOUT float vJoin;\n\nvec2 lineIntersection(vec2 aPoint, vec2 aDir, vec2 bPoint, vec2 bDir) {\n // Rotate and translate so a starts at the origin and goes out to the right\n bPoint -= aPoint;\n vec2 rotatedBFrom = vec2(\n bPoint.x*aDir.x + bPoint.y*aDir.y,\n bPoint.y*aDir.x - bPoint.x*aDir.y\n );\n vec2 bTo = bPoint + bDir;\n vec2 rotatedBTo = vec2(\n bTo.x*aDir.x + bTo.y*aDir.y,\n bTo.y*aDir.x - bTo.x*aDir.y\n );\n float intersectionDistance =\n rotatedBTo.x + (rotatedBFrom.x - rotatedBTo.x) * rotatedBTo.y /\n (rotatedBTo.y - rotatedBFrom.y);\n return aPoint + aDir * intersectionDistance;\n}\n\nvoid main() {\n // Caps have one of either the in or out tangent set to 0\n vCap = (aTangentIn == vec3(0.)) != (aTangentOut == (vec3(0.)))\n ? 1. : 0.;\n\n // Joins have two unique, defined tangents\n vJoin = (\n aTangentIn != vec3(0.) &&\n aTangentOut != vec3(0.) &&\n aTangentIn != aTangentOut\n ) ? 1. : 0.;\n\n vec4 posp = uModelViewMatrix * aPosition;\n vec4 posqIn = uModelViewMatrix * (aPosition + vec4(aTangentIn, 0));\n vec4 posqOut = uModelViewMatrix * (aPosition + vec4(aTangentOut, 0));\n\n float facingCamera = pow(\n // The word space tangent's z value is 0 if it's facing the camera\n abs(normalize(posqIn-posp).z),\n\n // Using pow() here to ramp `facingCamera` up from 0 to 1 really quickly\n // so most lines get scaled and don't get clipped\n 0.25\n );\n\n // using a scale <1 moves the lines towards the camera\n // in order to prevent popping effects due to half of\n // the line disappearing behind the geometry faces.\n float scale = mix(1., 0.995, facingCamera);\n\n // Moving vertices slightly toward the camera\n // to avoid depth-fighting with the fill triangles.\n // Discussed here:\n // http://www.opengl.org/discussion_boards/ubbthreads.php?ubb=showflat&Number=252848 \n posp.xyz = posp.xyz * scale;\n posqIn.xyz = posqIn.xyz * scale;\n posqOut.xyz = posqOut.xyz * scale;\n\n vec4 p = uProjectionMatrix * posp;\n vec4 qIn = uProjectionMatrix * posqIn;\n vec4 qOut = uProjectionMatrix * posqOut;\n vCenter = p.xy;\n\n // formula to convert from clip space (range -1..1) to screen space (range 0..[width or height])\n // screen_p = (p.xy/p.w + <1,1>) * 0.5 * uViewport.zw\n\n // prevent division by W by transforming the tangent formula (div by 0 causes\n // the line to disappear, see https://github.com/processing/processing/issues/5183)\n // t = screen_q - screen_p\n //\n // tangent is normalized and we don't care which aDirection it points to (+-)\n // t = +- normalize( screen_q - screen_p )\n // t = +- normalize( (q.xy/q.w+<1,1>)*0.5*uViewport.zw - (p.xy/p.w+<1,1>)*0.5*uViewport.zw )\n //\n // extract common factor, <1,1> - <1,1> cancels out\n // t = +- normalize( (q.xy/q.w - p.xy/p.w) * 0.5 * uViewport.zw )\n //\n // convert to common divisor\n // t = +- normalize( ((q.xy*p.w - p.xy*q.w) / (p.w*q.w)) * 0.5 * uViewport.zw )\n //\n // remove the common scalar divisor/factor, not needed due to normalize and +-\n // (keep uViewport - can't remove because it has different components for x and y\n // and corrects for aspect ratio, see https://github.com/processing/processing/issues/5181)\n // t = +- normalize( (q.xy*p.w - p.xy*q.w) * uViewport.zw )\n\n vec2 tangentIn = normalize((qIn.xy*p.w - p.xy*qIn.w) * uViewport.zw);\n vec2 tangentOut = normalize((qOut.xy*p.w - p.xy*qOut.w) * uViewport.zw);\n\n vec2 curPerspScale;\n if(uPerspective == 1) {\n // Perspective ---\n // convert from world to clip by multiplying with projection scaling factor\n // to get the right thickness (see https://github.com/processing/processing/issues/5182)\n\n // The y value of the projection matrix may be flipped if rendering to a Framebuffer.\n // Multiplying again by its sign here negates the flip to get just the scale.\n curPerspScale = (uProjectionMatrix * vec4(1, sign(uProjectionMatrix[1][1]), 0, 0)).xy;\n } else {\n // No Perspective ---\n // multiply by W (to cancel out division by W later in the pipeline) and\n // convert from screen to clip (derived from clip to screen above)\n curPerspScale = p.w / (0.5 * uViewport.zw);\n }\n\n vec2 offset;\n if (vJoin == 1.) {\n vTangent = normalize(tangentIn + tangentOut);\n vec2 normalIn = vec2(-tangentIn.y, tangentIn.x);\n vec2 normalOut = vec2(-tangentOut.y, tangentOut.x);\n float side = sign(aSide);\n float sideEnum = abs(aSide);\n\n // We generate vertices for joins on either side of the centerline, but\n // the \"elbow\" side is the only one needing a join. By not setting the\n // offset for the other side, all its vertices will end up in the same\n // spot and not render, effectively discarding it.\n if (sign(dot(tangentOut, vec2(-tangentIn.y, tangentIn.x))) != side) {\n // Side enums:\n // 1: the side going into the join\n // 2: the middle of the join\n // 3: the side going out of the join\n if (sideEnum == 2.) {\n // Calculate the position + tangent on either side of the join, and\n // find where the lines intersect to find the elbow of the join\n vec2 c = (posp.xy/posp.w + vec2(1.,1.)) * 0.5 * uViewport.zw;\n vec2 intersection = lineIntersection(\n c + (side * normalIn * uStrokeWeight / 2.),\n tangentIn,\n c + (side * normalOut * uStrokeWeight / 2.),\n tangentOut\n );\n offset = (intersection - c);\n\n // When lines are thick and the angle of the join approaches 180, the\n // elbow might be really far from the center. We'll apply a limit to\n // the magnitude to avoid lines going across the whole screen when this\n // happens.\n float mag = length(offset);\n float maxMag = 3. * uStrokeWeight;\n if (mag > maxMag) {\n offset *= maxMag / mag;\n }\n } else if (sideEnum == 1.) {\n offset = side * normalIn * uStrokeWeight / 2.;\n } else if (sideEnum == 3.) {\n offset = side * normalOut * uStrokeWeight / 2.;\n }\n }\n if (uStrokeJoin == STROKE_JOIN_BEVEL) {\n vec2 avgNormal = vec2(-vTangent.y, vTangent.x);\n vMaxDist = abs(dot(avgNormal, normalIn * uStrokeWeight / 2.));\n } else {\n vMaxDist = uStrokeWeight / 2.;\n }\n } else {\n vec2 tangent = aTangentIn == vec3(0.) ? tangentOut : tangentIn;\n vTangent = tangent;\n vec2 normal = vec2(-tangent.y, tangent.x);\n\n float normalOffset = sign(aSide);\n // Caps will have side values of -2 or 2 on the edge of the cap that\n // extends out from the line\n float tangentOffset = abs(aSide) - 1.;\n offset = (normal * normalOffset + tangent * tangentOffset) *\n uStrokeWeight * 0.5;\n vMaxDist = uStrokeWeight / 2.;\n }\n vPosition = vCenter + offset;\n\n gl_Position.xy = p.xy + offset.xy * curPerspScale;\n gl_Position.zw = p.zw;\n \n vColor = (uUseLineColor ? aVertexColor : uMaterialColor);\n}\n",lineFrag:T+"precision mediump int;\n\nuniform vec4 uMaterialColor;\nuniform int uStrokeCap;\nuniform int uStrokeJoin;\nuniform float uStrokeWeight;\n\nIN vec4 vColor;\nIN vec2 vTangent;\nIN vec2 vCenter;\nIN vec2 vPosition;\nIN float vMaxDist;\nIN float vCap;\nIN float vJoin;\n\nfloat distSquared(vec2 a, vec2 b) {\n vec2 aToB = b - a;\n return dot(aToB, aToB);\n}\n\nvoid main() {\n if (vCap > 0.) {\n if (\n uStrokeCap == STROKE_CAP_ROUND &&\n distSquared(vPosition, vCenter) > uStrokeWeight * uStrokeWeight * 0.25\n ) {\n discard;\n } else if (\n uStrokeCap == STROKE_CAP_SQUARE &&\n dot(vPosition - vCenter, vTangent) > 0.\n ) {\n discard;\n }\n // Use full area for PROJECT\n } else if (vJoin > 0.) {\n if (\n uStrokeJoin == STROKE_JOIN_ROUND &&\n distSquared(vPosition, vCenter) > uStrokeWeight * uStrokeWeight * 0.25\n ) {\n discard;\n } else if (uStrokeJoin == STROKE_JOIN_BEVEL) {\n vec2 normal = vec2(-vTangent.y, vTangent.x);\n if (abs(dot(vPosition - vCenter, normal)) > vMaxDist) {\n discard;\n }\n }\n // Use full area for MITER\n }\n OUT_COLOR = vec4(vColor.rgb, 1.) * vColor.a;\n}\n",pointVert:"IN vec3 aPosition;\nuniform float uPointSize;\nOUT float vStrokeWeight;\nuniform mat4 uModelViewMatrix;\nuniform mat4 uProjectionMatrix;\nvoid main() {\n\tvec4 positionVec4 = vec4(aPosition, 1.0);\n\tgl_Position = uProjectionMatrix * uModelViewMatrix * positionVec4;\n\tgl_PointSize = uPointSize;\n\tvStrokeWeight = uPointSize;\n}\n",pointFrag:"precision mediump int;\nuniform vec4 uMaterialColor;\nIN float vStrokeWeight;\n\nvoid main(){\n float mask = 0.0;\n\n // make a circular mask using the gl_PointCoord (goes from 0 - 1 on a point)\n // might be able to get a nicer edge on big strokeweights with smoothstep but slightly less performant\n\n mask = step(0.98, length(gl_PointCoord * 2.0 - 1.0));\n\n // if strokeWeight is 1 or less lets just draw a square\n // this prevents weird artifacting from carving circles when our points are really small\n // if strokeWeight is larger than 1, we just use it as is\n\n mask = mix(0.0, mask, clamp(floor(vStrokeWeight - 0.5),0.0,1.0));\n\n // throw away the borders of the mask\n // otherwise we get weird alpha blending issues\n\n if(mask > 0.98){\n discard;\n }\n\n OUT_COLOR = vec4(uMaterialColor.rgb, 1.) * uMaterialColor.a;\n}\n",imageLightVert:"precision highp float;\nattribute vec3 aPosition;\nattribute vec3 aNormal;\nattribute vec2 aTexCoord;\n\nvarying vec3 localPos;\nvarying vec3 vWorldNormal;\nvarying vec3 vWorldPosition;\nvarying vec2 vTexCoord;\n\nuniform mat4 uModelViewMatrix;\nuniform mat4 uProjectionMatrix;\nuniform mat3 uNormalMatrix;\n\nvoid main() {\n // Multiply the position by the matrix.\n vec4 viewModelPosition = uModelViewMatrix * vec4(aPosition, 1.0);\n gl_Position = uProjectionMatrix * viewModelPosition; \n \n // orient the normals and pass to the fragment shader\n vWorldNormal = uNormalMatrix * aNormal;\n \n // send the view position to the fragment shader\n vWorldPosition = (uModelViewMatrix * vec4(aPosition, 1.0)).xyz;\n \n localPos = vWorldPosition;\n vTexCoord = aTexCoord;\n}\n\n\n/*\nin the vertex shader we'll compute the world position and world oriented normal of the vertices and pass those to the fragment shader as varyings.\n*/\n",imageLightDiffusedFrag:"precision highp float;\nvarying vec3 localPos;\n\n// the HDR cubemap converted (can be from an equirectangular environment map.)\nuniform sampler2D environmentMap;\nvarying vec2 vTexCoord;\n\nconst float PI = 3.14159265359;\n\nvec2 nTOE( vec3 v ){\n // x = r sin(phi) cos(theta) \n // y = r cos(phi) \n // z = r sin(phi) sin(theta)\n float phi = acos( v.y );\n // if phi is 0, then there are no x, z components\n float theta = 0.0;\n // else \n theta = acos(v.x / sin(phi));\n float sinTheta = v.z / sin(phi);\n if (sinTheta < 0.0) {\n // Turn it into -theta, but in the 0-2PI range\n theta = 2.0 * PI - theta;\n }\n theta = theta / (2.0 * 3.14159);\n phi = phi / 3.14159 ;\n \n vec2 angles = vec2( phi, theta );\n return angles;\n}\n\nvoid main()\n{ \t \n\t// the sample direction equals the hemisphere's orientation\n float phi = vTexCoord.x * 2.0 * PI;\n float theta = vTexCoord.y * PI;\n float x = sin(theta) * cos(phi);\n float y = sin(theta) * sin(phi);\n float z = cos(theta);\n vec3 normal = vec3( x, y, z);\n\n\t// Discretely sampling the hemisphere given the integral's\n // spherical coordinates translates to the following fragment code:\n\tvec3 irradiance = vec3(0.0); \n\tvec3 up\t= vec3(0.0, 1.0, 0.0);\n\tvec3 right = normalize(cross(up, normal));\n\tup = normalize(cross(normal, right));\n\n\t// We specify a fixed sampleDelta delta value to traverse\n // the hemisphere; decreasing or increasing the sample delta\n // will increase or decrease the accuracy respectively.\n\tconst float sampleDelta = 0.025;\n\tfloat nrSamples = 0.0;\n \n\tfor(float phi = 0.0; phi < 2.0 * PI; phi += sampleDelta)\n\t{\n for(float theta = 0.0; theta < ( 0.5 ) * PI; theta += sampleDelta)\n {\n // spherical to cartesian (in tangent space) // tangent space to world // add each sample result to irradiance\n float x = sin(theta) * cos(phi);\n float y = sin(theta) * sin(phi);\n float z = cos(theta);\n vec3 tangentSample = vec3( x, y, z);\n \n vec3 sampleVec = tangentSample.x * right + tangentSample.y * up + tangentSample.z * normal;\n irradiance += (texture2D(environmentMap, nTOE(sampleVec)).xyz) * cos(theta) * sin(theta);\n nrSamples++;\n }\n\t}\n\t// divide by the total number of samples taken, giving us the average sampled irradiance.\n\tirradiance = PI * irradiance * (1.0 / float(nrSamples )) ;\n \n \n\tgl_FragColor = vec4(irradiance, 1.0);\n}",imageLightSpecularFrag:"precision highp float;\r\nvarying vec3 localPos;\r\nvarying vec2 vTexCoord;\r\n\r\n// our texture\r\nuniform sampler2D environmentMap;\r\nuniform float roughness;\r\n\r\nconst float PI = 3.14159265359;\r\n\r\nfloat VanDerCorput(int bits);\r\nvec2 HammersleyNoBitOps(int i, int N);\r\nvec3 ImportanceSampleGGX(vec2 Xi, vec3 N, float roughness);\r\n\r\n\r\nvec2 nTOE( vec3 v ){\r\n // x = r sin(phi) cos(theta) \r\n // y = r cos(phi) \r\n // z = r sin(phi) sin(theta)\r\n float phi = acos( v.y );\r\n // if phi is 0, then there are no x, z components\r\n float theta = 0.0;\r\n // else \r\n theta = acos(v.x / sin(phi));\r\n float sinTheta = v.z / sin(phi);\r\n if (sinTheta < 0.0) {\r\n // Turn it into -theta, but in the 0-2PI range\r\n theta = 2.0 * PI - theta;\r\n }\r\n theta = theta / (2.0 * 3.14159);\r\n phi = phi / 3.14159 ;\r\n \r\n vec2 angles = vec2( phi, theta );\r\n return angles;\r\n}\r\n\r\n\r\nvoid main(){\r\n const int SAMPLE_COUNT = 1024; // 4096\r\n float totalWeight = 0.0;\r\n vec3 prefilteredColor = vec3(0.0);\r\n float phi = vTexCoord.x * 2.0 * PI;\r\n float theta = vTexCoord.y * PI;\r\n float x = sin(theta) * cos(phi);\r\n float y = sin(theta) * sin(phi);\r\n float z = cos(theta);\r\n vec3 N = vec3(x,y,z);\r\n vec3 V = N;\r\n for (int i = 0; i < SAMPLE_COUNT; ++i)\r\n {\r\n vec2 Xi = HammersleyNoBitOps(i, SAMPLE_COUNT);\r\n vec3 H = ImportanceSampleGGX(Xi, N, roughness);\r\n vec3 L = normalize(2.0 * dot(V, H) * H - V);\r\n\r\n float NdotL = max(dot(N, L), 0.0);\r\n if (NdotL > 0.0)\r\n {\r\n prefilteredColor += texture2D(environmentMap, nTOE(L)).xyz * NdotL;\r\n totalWeight += NdotL;\r\n }\r\n }\r\n prefilteredColor = prefilteredColor / totalWeight;\r\n\r\n gl_FragColor = vec4(prefilteredColor, 1.0);\r\n}\r\n\r\nvec3 ImportanceSampleGGX(vec2 Xi, vec3 N, float roughness){\r\n float a = roughness * roughness;\r\n\r\n float phi = 2.0 * PI * Xi.x;\r\n float cosTheta = sqrt((1.0 - Xi.y) / (1.0 + (a * a - 1.0) * Xi.y));\r\n float sinTheta = sqrt(1.0 - cosTheta * cosTheta);\r\n // from spherical coordinates to cartesian coordinates\r\n vec3 H;\r\n H.x = cos(phi) * sinTheta;\r\n H.y = sin(phi) * sinTheta;\r\n H.z = cosTheta;\r\n\r\n // from tangent-space vector to world-space sample vector\r\n vec3 up = abs(N.z) < 0.999 ? vec3(0.0, 0.0, 1.0) : vec3(1.0, 0.0, 0.0);\r\n vec3 tangent = normalize(cross(up, N));\r\n vec3 bitangent = cross(N, tangent);\r\n\r\n vec3 sampleVec = tangent * H.x + bitangent * H.y + N * H.z;\r\n return normalize(sampleVec);\r\n}\r\n\r\n\r\nfloat VanDerCorput(int n, int base)\r\n{\r\n float invBase = 1.0 / float(base);\r\n float denom = 1.0;\r\n float result = 0.0;\r\n\r\n for (int i = 0; i < 32; ++i)\r\n {\r\n\tif (n > 0)\r\n\t{\r\n \tdenom = mod(float(n), 2.0);\r\n \tresult += denom * invBase;\r\n \tinvBase = invBase / 2.0;\r\n \tn = int(float(n) / 2.0);\r\n\t}\r\n }\r\n\r\n return result;\r\n}\r\n\r\nvec2 HammersleyNoBitOps(int i, int N)\r\n{\r\n return vec2(float(i) / float(N), VanDerCorput(i, 2));\r\n}\r\n"};for(x in M)M[x]="#ifdef WEBGL2\n\n#define IN in\n#define OUT out\n\n#ifdef FRAGMENT_SHADER\nout vec4 outColor;\n#define OUT_COLOR outColor\n#endif\n#define TEXTURE texture\n\n#else\n\n#ifdef FRAGMENT_SHADER\n#define IN varying\n#else\n#define IN attribute\n#endif\n#define OUT varying\n#define TEXTURE texture2D\n\n#ifdef FRAGMENT_SHADER\n#define OUT_COLOR gl_FragColor\n#endif\n\n#endif\n"+M[x];j(e={},l.GRAY,"precision highp float;\n\nvarying vec2 vTexCoord;\n\nuniform sampler2D tex0;\n\nfloat luma(vec3 color) {\n // weighted grayscale with luminance values\n return dot(color, vec3(0.2126, 0.7152, 0.0722));\n}\n\nvoid main() {\n vec4 tex = texture2D(tex0, vTexCoord);\n float gray = luma(tex.rgb);\n gl_FragColor = vec4(gray, gray, gray, tex.a);\n}\n"),j(e,l.ERODE,"// Reduces the bright areas in an image\n\nprecision highp float;\n\nvarying vec2 vTexCoord;\n\nuniform sampler2D tex0;\nuniform vec2 texelSize;\n\nfloat luma(vec3 color) {\n // weighted grayscale with luminance values\n // weights 77, 151, 28 taken from src/image/filters.js\n return dot(color, vec3(0.300781, 0.589844, 0.109375));\n}\n\nvoid main() {\n vec4 color = texture2D(tex0, vTexCoord);\n float lum = luma(color.rgb);\n\n // set current color as the darkest neighbor color\n\n vec4 neighbors[4];\n neighbors[0] = texture2D(tex0, vTexCoord + vec2( texelSize.x, 0.0));\n neighbors[1] = texture2D(tex0, vTexCoord + vec2(-texelSize.x, 0.0));\n neighbors[2] = texture2D(tex0, vTexCoord + vec2(0.0, texelSize.y));\n neighbors[3] = texture2D(tex0, vTexCoord + vec2(0.0, -texelSize.y));\n\n for (int i = 0; i < 4; i++) {\n vec4 neighborColor = neighbors[i];\n float neighborLum = luma(neighborColor.rgb);\n\n if (neighborLum < lum) {\n color = neighborColor;\n lum = neighborLum;\n }\n }\n\n gl_FragColor = color;\n}\n"),j(e,l.DILATE,"// Increase the bright areas in an image\n\nprecision highp float;\n\nvarying vec2 vTexCoord;\n\nuniform sampler2D tex0;\nuniform vec2 texelSize;\n\nfloat luma(vec3 color) {\n // weighted grayscale with luminance values\n // weights 77, 151, 28 taken from src/image/filters.js\n return dot(color, vec3(0.300781, 0.589844, 0.109375));\n}\n\nvoid main() {\n vec4 color = texture2D(tex0, vTexCoord);\n float lum = luma(color.rgb);\n\n // set current color as the brightest neighbor color\n\n vec4 neighbors[4];\n neighbors[0] = texture2D(tex0, vTexCoord + vec2( texelSize.x, 0.0));\n neighbors[1] = texture2D(tex0, vTexCoord + vec2(-texelSize.x, 0.0));\n neighbors[2] = texture2D(tex0, vTexCoord + vec2(0.0, texelSize.y));\n neighbors[3] = texture2D(tex0, vTexCoord + vec2(0.0, -texelSize.y));\n\n for (int i = 0; i < 4; i++) {\n vec4 neighborColor = neighbors[i];\n float neighborLum = luma(neighborColor.rgb);\n\n if (neighborLum > lum) {\n color = neighborColor;\n lum = neighborLum;\n }\n }\n\n gl_FragColor = color;\n}\n"),j(e,l.BLUR,"precision highp float;\n\n// Two-pass blur filter, unweighted kernel.\n// See also a similar blur at Adam Ferriss' repo of shader examples:\n// https://github.com/aferriss/p5jsShaderExamples/blob/gh-pages/4_image-effects/4-9_single-pass-blur/effect.frag\n\n\nuniform sampler2D tex0;\nvarying vec2 vTexCoord;\nuniform vec2 direction;\nuniform vec2 canvasSize;\nuniform float radius;\n\nfloat random(vec2 p) {\n vec3 p3 = fract(vec3(p.xyx) * .1031);\n p3 += dot(p3, p3.yzx + 33.33);\n return fract((p3.x + p3.y) * p3.z);\n}\n\n// This isn't a real Gaussian weight, it's a quadratic weight. It's what the\n// CPU mode's blur uses though, so we also use it here to match.\nfloat quadWeight(float x, float e) {\n return pow(e-abs(x), 2.);\n}\n\nvoid main(){\n vec2 uv = vTexCoord;\n\n // A reasonable maximum number of samples\n const float maxSamples = 64.0;\n\n float numSamples = floor(7. * radius);\n if (fract(numSamples / 2.) == 0.) {\n numSamples++;\n }\n vec4 avg = vec4(0.0);\n float total = 0.0;\n\n // Calculate the spacing to avoid skewing if numSamples > maxSamples\n float spacing = 1.0;\n if (numSamples > maxSamples) {\n spacing = numSamples / maxSamples;\n numSamples = maxSamples;\n }\n\n float randomOffset = (spacing - 1.0) * mix(-0.5, 0.5, random(gl_FragCoord.xy));\n for (float i = 0.0; i < maxSamples; i++) {\n if (i >= numSamples) break;\n\n float sample = i * spacing - (numSamples - 1.0) * 0.5 * spacing + randomOffset;\n vec2 sampleCoord = uv + vec2(sample, sample) / canvasSize * direction;\n float weight = quadWeight(sample, (numSamples - 1.0) * 0.5 * spacing);\n\n avg += weight * texture2D(tex0, sampleCoord);\n total += weight;\n }\n\n avg /= total;\n gl_FragColor = avg;\n}\n"),j(e,l.POSTERIZE,"// Limit color space for a stylized cartoon / poster effect\n\nprecision highp float;\n\nvarying vec2 vTexCoord;\n\nuniform sampler2D tex0;\nuniform float filterParameter;\n\nvec3 quantize(vec3 color, float n) {\n // restrict values to N options/bins\n // and floor each channel to nearest value\n //\n // eg. when N = 5, values = 0.0, 0.25, 0.50, 0.75, 1.0\n // then quantize (0.1, 0.7, 0.9) -> (0.0, 0.5, 1.0)\n\n color = color * n;\n color = floor(color);\n color = color / (n - 1.0);\n return color;\n}\n\nvoid main() {\n vec4 color = texture2D(tex0, vTexCoord);\n\n vec3 restrictedColor = quantize(color.rgb / color.a, filterParameter);\n\n gl_FragColor = vec4(restrictedColor.rgb * color.a, color.a);\n}\n"),j(e,l.OPAQUE,"// Set alpha channel to entirely opaque\n\nprecision highp float;\n\nvarying vec2 vTexCoord;\n\nuniform sampler2D tex0;\n\nvoid main() {\n vec4 color = texture2D(tex0, vTexCoord);\n gl_FragColor = vec4(color.rgb / color.a, 1.0);\n}\n"),j(e,l.INVERT,"// Set each pixel to inverse value\n// Note that original INVERT does not change the opacity, so this follows suit\n\nprecision highp float;\n\nvarying vec2 vTexCoord;\n\nuniform sampler2D tex0;\n\nvoid main() {\nvec4 color = texture2D(tex0, vTexCoord);\nvec3 origColor = color.rgb / color.a;\nvec3 invertedColor = vec3(1.0) - origColor;\ngl_FragColor = vec4(invertedColor * color.a, color.a);\n}\n"),j(e,l.THRESHOLD,"// Convert pixels to either white or black, \n// depending on if their luma is above or below filterParameter\n\nprecision highp float;\n\nvarying vec2 vTexCoord;\n\nuniform sampler2D tex0;\nuniform float filterParameter;\n\nfloat luma(vec3 color) {\n // weighted grayscale with luminance values\n return dot(color, vec3(0.2126, 0.7152, 0.0722));\n}\n\nvoid main() {\n vec4 color = texture2D(tex0, vTexCoord);\n float gray = luma(color.rgb / color.a);\n // floor() used to match src/image/filters.js\n float threshold = floor(filterParameter * 255.0) / 255.0;\n float blackOrWhite = step(threshold, gray);\n gl_FragColor = vec4(vec3(blackOrWhite) * color.a, color.a);\n}\n");var E=e;function k(e,t,r,o,n,s,i,a,l,u){var c=t.getParameter(t.FRAMEBUFFER_BINDING),r=(t.bindFramebuffer(t.FRAMEBUFFER,r),a===t.RGBA?4:3),d=s*i*r,h=l===t.UNSIGNED_BYTE?Uint8Array:Float32Array;if(e instanceof h&&e.length===d||(e=new h(d)),t.readPixels(o,u?u-n-i:n,s,i,a,l,e),t.bindFramebuffer(t.FRAMEBUFFER,c),u)for(var f=Math.floor(i/2),p=new h(s*r),m=0;m>7,127&d,c>>7,127&c);for(var h=0;h>7,127&f,0,0)}}return{cellImageInfo:a,dimOffset:t,dimImageInfo:n}}}}]),t}();B.default.RendererGL.prototype._renderText=function(e,t,r,o,n){if(this._textFont&&"string"!=typeof this._textFont){if(!(n<=o)&&this._doFill){if(this._isOpenType()){e.push();var n=this._doStroke,s=this.drawMode,i=(this._doStroke=!1,this.drawMode=M.TEXTURE,this._textFont.font),a=(a=this._textFont._fontInfo)||(this._textFont._fontInfo=new E(i)),r=this._textFont._handleAlignment(this,t,r,o),o=this._textSize/i.unitsPerEm,l=(this.translate(r.x,r.y,0),this.scale(o,o,1),this.GL),r=!this._defaultFontShader,u=this._getFontShader(),c=(u.init(),u.bindShader(),r&&(u.setUniform("uGridImageSize",[64,64]),u.setUniform("uCellsImageSize",[64,64]),u.setUniform("uStrokeImageSize",[64,64]),u.setUniform("uGridSize",[9,9])),this._applyColorBlend(this.curFillColor),this.retainedMode.geometry.glyph),d=(c||((o=this._textGeom=new B.default.Geometry(1,1,function(){for(var e=0;e<=1;e++)for(var t=0;t<=1;t++)this.vertices.push(new B.default.Vector(t,e,0)),this.uvs.push(t,e)})).computeFaces().computeNormals(),c=this.createBuffers("glyph",o)),!0),r=!1,o=void 0;try{for(var h,f=this.retainedMode.buffers.text[Symbol.iterator]();!(d=(h=f.next()).done);d=!0)h.value._prepareBuffer(c,u)}catch(e){r=!0,o=e}finally{try{d||null==f.return||f.return()}finally{if(r)throw o}}this._bindBuffer(c.indexBuffer,l.ELEMENT_ARRAY_BUFFER),u.setUniform("uMaterialColor",this.curFillColor),l.pixelStorei(l.UNPACK_PREMULTIPLY_ALPHA_WEBGL,!1);try{var p=0,m=null,y=i.stringToGlyphs(t),g=!0,v=!1,b=void 0;try{for(var j,_=y[Symbol.iterator]();!(g=(j=_.next()).done);g=!0){var x,w,S=j.value,T=(m&&(p+=i.getKerningValue(m,S)),a.getGlyphInfo(S));T.uGlyphRect&&(x=T.rowInfo,w=T.colInfo,u.setUniform("uSamplerStrokes",T.strokeImageInfo.imageData),u.setUniform("uSamplerRowStrokes",x.cellImageInfo.imageData),u.setUniform("uSamplerRows",x.dimImageInfo.imageData),u.setUniform("uSamplerColStrokes",w.cellImageInfo.imageData),u.setUniform("uSamplerCols",w.dimImageInfo.imageData),u.setUniform("uGridOffset",T.uGridOffset),u.setUniform("uGlyphRect",T.uGlyphRect),u.setUniform("uGlyphOffset",p),u.bindTextures(),l.drawElements(l.TRIANGLES,6,this.GL.UNSIGNED_SHORT,0)),p+=S.advanceWidth,m=S}}catch(e){v=!0,b=e}finally{try{g||null==_.return||_.return()}finally{if(v)throw b}}}finally{u.unbindShader(),this._doStroke=n,this.drawMode=s,l.pixelStorei(l.UNPACK_PREMULTIPLY_ALPHA_WEBGL,!0),e.pop()}}else console.log("WEBGL: only Opentype (.otf) and Truetype (.ttf) fonts are supported");return e}}else console.log("WEBGL: you must load and set a font before drawing text. 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                                                                                        '))),this._accessibleOutputs[r]={},"textOutput"===e?(i="#".concat(s,"gridOutput").concat(i),n='
                                                                                        Text Output

                                                                                          '),this.dummyDOM.querySelector(i)?this.dummyDOM.querySelector(i).insertAdjacentHTML("beforebegin",n):this.dummyDOM.querySelector("#".concat(o)).innerHTML=n,this._accessibleOutputs[r].list=this.dummyDOM.querySelector("#".concat(r,"_list"))):"gridOutput"===e&&(i="#".concat(s,"textOutput").concat(i),n='
                                                                                          Grid Output

                                                                                            '),this.dummyDOM.querySelector(i)?this.dummyDOM.querySelector(i).insertAdjacentHTML("afterend",n):this.dummyDOM.querySelector("#".concat(o)).innerHTML=n,this._accessibleOutputs[r].map=this.dummyDOM.querySelector("#".concat(r,"_map"))),this._accessibleOutputs[r].shapeDetails=this.dummyDOM.querySelector("#".concat(r,"_shapeDetails")),this._accessibleOutputs[r].summary=this.dummyDOM.querySelector("#".concat(r,"_summary"))},o.default.prototype._updateAccsOutput=function(){var e=this.canvas.id;JSON.stringify(this.ingredients.shapes)===this.ingredients.pShapes&&this.ingredients.colors.background===this.ingredients.pBackground||(this.ingredients.pShapes=JSON.stringify(this.ingredients.shapes),this._accessibleOutputs.text&&this._updateTextOutput(e+"textOutput"),this._accessibleOutputs.grid&&this._updateGridOutput(e+"gridOutput"),this._accessibleOutputs.textLabel&&this._updateTextOutput(e+"textOutputLabel"),this._accessibleOutputs.gridLabel&&this._updateGridOutput(e+"gridOutputLabel"))},o.default.prototype._accsBackground=function(e){this.ingredients.pShapes=JSON.stringify(this.ingredients.shapes),this.ingredients.pBackground=this.ingredients.colors.background,this.ingredients.shapes={},this.ingredients.colors.backgroundRGBA!==e&&(this.ingredients.colors.backgroundRGBA=e,this.ingredients.colors.background=this._rgbColorName(e))},o.default.prototype._accsCanvasColors=function(e,t){"fill"===e?this.ingredients.colors.fillRGBA!==t&&(this.ingredients.colors.fillRGBA=t,this.ingredients.colors.fill=this._rgbColorName(t)):"stroke"===e&&this.ingredients.colors.strokeRGBA!==t&&(this.ingredients.colors.strokeRGBA=t,this.ingredients.colors.stroke=this._rgbColorName(t))},o.default.prototype._accsOutput=function(e,t){"ellipse"===e&&t[2]===t[3]?e="circle":"rectangle"===e&&t[2]===t[3]&&(e="square");var r,o,n={},s=!0,i=function(e,t){var r;e="rectangle"===e||"ellipse"===e||"arc"===e||"circle"===e||"square"===e?(r=Math.round(t[0]+t[2]/2),Math.round(t[1]+t[3]/2)):"triangle"===e?(r=(t[0]+t[2]+t[4])/3,(t[1]+t[3]+t[5])/3):"quadrilateral"===e?(r=(t[0]+t[2]+t[4]+t[6])/4,(t[1]+t[3]+t[5]+t[7])/4):"line"===e?(r=(t[0]+t[2])/2,(t[1]+t[3])/2):(r=t[0],t[1]);return[r,e]}(e,t);if("line"===e?(n.color=this.ingredients.colors.stroke,n.length=Math.round(this.dist(t[0],t[1],t[2],t[3])),r=this._getPos(t[0],[1]),o=this._getPos(t[2],[3]),n.loc=u(i,this.width,this.height),n.pos=r===o?"at ".concat(r):"from ".concat(r," to ").concat(o)):("point"===e?n.color=this.ingredients.colors.stroke:(n.color=this.ingredients.colors.fill,n.area=this._getArea(e,t)),n.pos=this._getPos.apply(this,l(i)),n.loc=u(i,this.width,this.height)),this.ingredients.shapes[e]){if(this.ingredients.shapes[e]!==[n]){for(var a in this.ingredients.shapes[e])JSON.stringify(this.ingredients.shapes[e][a])===JSON.stringify(n)&&(s=!1);!0===s&&this.ingredients.shapes[e].push(n)}}else this.ingredients.shapes[e]=[n]},o.default.prototype._getPos=function(e,t){var e=new DOMPointReadOnly(e,t),t=this._renderer.isP3D?new DOMMatrix(this._renderer.uMVMatrix.mat4):this.drawingContext.getTransform(),e=e.matrixTransform(t),t=e.x,e=e.y,r=this.width*this._pixelDensity,o=this.height*this._pixelDensity;return t<.4*r?e<.4*o?"top left":.6*oMath.PI?n+=o:n-=o)):"ellipse"===e||"circle"===e?n=3.14*t[2]/2*t[3]/2:"line"===e||"point"===e?n=0:"quadrilateral"===e?n=Math.abs((t[6]+t[0])*(t[7]-t[1])+(t[0]+t[2])*(t[1]-t[3])+(t[2]+t[4])*(t[3]-t[5])+(t[4]+t[6])*(t[5]-t[7]))/2:"rectangle"===e||"square"===e?n=t[2]*t[3]:"triangle"===e&&(n=Math.abs(t[0]*(t[3]-t[5])+t[2]*(t[5]-t[1])+t[4]*(t[1]-t[3]))/2),this.width*this._pixelDensity),i=this.height*this._pixelDensity,a=[new DOMPoint(0,0),new DOMPoint(s,0),new DOMPoint(s,i),new 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strict";e("core-js/modules/es.array.concat"),e("core-js/modules/es.array.concat"),Object.defineProperty(r,"__esModule",{value:!0}),r.default=void 0;e=(e=e("../core/main"))&&e.__esModule?e:{default:e};e.default.prototype._updateTextOutput=function(e){var t,r,o,n;this.dummyDOM.querySelector("#".concat(e,"_summary"))&&(t=this._accessibleOutputs[e],o=function(e,t,r,o){r="Your output is a, ".concat(r," by ").concat(o," pixels, ").concat(t," canvas containing the following");r=1===e?"".concat(r," shape:"):"".concat(r," ").concat(e," shapes:");return r}((r=function(e,t){var r,o="",n=0;for(r in t)for(var s in t[r]){var i='
                                                                                          • ').concat(t[r][s].color," ").concat(r,"");"line"===r?i+=", ".concat(t[r][s].pos,", ").concat(t[r][s].length," pixels long.
                                                                                            • "):(i+=", at ".concat(t[r][s].pos),"point"!==r&&(i+=", covering ".concat(t[r][s].area,"% of the canvas")),i+="."),o+=i,n++}return{numShapes:n,listShapes:o}}(e,this.ingredients.shapes)).numShapes,this.ingredients.colors.background,this.width,this.height),n=function(e,t){var r,o="",n=0;for(r in t)for(var s in t[r]){var i='').concat(t[r][s].color," ").concat(r,"");"line"===r?i+="location = ".concat(t[r][s].pos,"length = ").concat(t[r][s].length," pixels"):(i+="location = ".concat(t[r][s].pos,""),"point"!==r&&(i+=" area = ".concat(t[r][s].area,"%")),i+=""),o+=i,n++}return o}(e,this.ingredients.shapes),o!==t.summary.innerHTML&&(t.summary.innerHTML=o),r.listShapes!==t.list.innerHTML&&(t.list.innerHTML=r.listShapes),n!==t.shapeDetails.innerHTML&&(t.shapeDetails.innerHTML=n),this._accessibleOutputs[e]=t)};e=e.default;r.default=e},{"../core/main":283,"core-js/modules/es.array.concat":153}],267:[function(e,t,r){"use strict";var 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s;Object.prototype.hasOwnProperty.call(e,r)&&((s=n?Object.getOwnPropertyDescriptor(e,r):null)&&(s.get||s.set)?Object.defineProperty(o,r,s):o[r]=e[r])}o.default=e,t&&t.set(e,o);return o}(e("../core/constants"));function a(){var e;return"function"!=typeof WeakMap?null:(e=new WeakMap,a=function(){return e},e)}e("./p5.Color"),e("../core/friendly_errors/validate_params"),e("../core/friendly_errors/file_errors"),e("../core/friendly_errors/fes_core"),l.default.prototype.alpha=function(e){return l.default._validateParameters("alpha",arguments),this.color(e)._getAlpha()},l.default.prototype.blue=function(e){return l.default._validateParameters("blue",arguments),this.color(e)._getBlue()},l.default.prototype.brightness=function(e){return l.default._validateParameters("brightness",arguments),this.color(e)._getBrightness()},l.default.prototype.color=function(){for(var e,t=arguments.length,r=new 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curve (after t1)?\n if (y1 ? !y2 : y0) {\n // add the coverage for t1\n coverage.x += saturate(C1.x + 0.5);\n // calculate the anti-aliasing for t1\n weight.x = min(weight.x, abs(C1.x));\n }\n\n // are we outside the curve (after t2)?\n if (y1 ? !y0 : y2) {\n // subtract the coverage for t2\n coverage.x -= saturate(C2.x + 0.5);\n // calculate the anti-aliasing for t2\n weight.x = min(weight.x, abs(C2.x));\n }\n}\n\n// this is essentially the same as coverageX, but with the axes swapped\nvoid coverageY(vec2 p0, vec2 p1, vec2 p2) {\n\n vec2 C1, C2;\n calulateCrossings(p0, p1, p2, C1, C2);\n\n bool x0 = p0.x > vTexCoord.x;\n bool x1 = p1.x > vTexCoord.x;\n bool x2 = p2.x > vTexCoord.x;\n\n if (x1 ? !x2 : x0) {\n coverage.y -= saturate(C1.y + 0.5);\n weight.y = min(weight.y, abs(C1.y));\n }\n\n if (x1 ? !x0 : x2) {\n coverage.y += saturate(C2.y + 0.5);\n weight.y = min(weight.y, abs(C2.y));\n }\n}\n\nvoid main() {\n\n // calculate the pixel scale based on screen-coordinates\n pixelScale = hardness / fwidth(vTexCoord);\n\n // which grid cell is this pixel in?\n ivec2 gridCoord = ifloor(vTexCoord * vec2(uGridSize));\n\n // intersect curves in this row\n {\n // the index into the row info bitmap\n int rowIndex = gridCoord.y + uGridOffset.y;\n // fetch the info texel\n vec4 rowInfo = getTexel(uSamplerRows, rowIndex, uGridImageSize);\n // unpack the rowInfo\n int rowStrokeIndex = getInt16(rowInfo.xy);\n int rowStrokeCount = getInt16(rowInfo.zw);\n\n for (int iRowStroke = INT(0); iRowStroke < N; iRowStroke++) {\n if (iRowStroke >= rowStrokeCount)\n break;\n\n // each stroke is made up of 3 points: the start and control point\n // and the start of the next curve.\n // fetch the indices of this pair of strokes:\n vec4 strokeIndices = getTexel(uSamplerRowStrokes, rowStrokeIndex++, uCellsImageSize);\n\n // unpack the stroke index\n int strokePos = getInt16(strokeIndices.xy);\n\n // fetch the two strokes\n vec4 stroke0 = getTexel(uSamplerStrokes, strokePos + INT(0), uStrokeImageSize);\n vec4 stroke1 = getTexel(uSamplerStrokes, strokePos + INT(1), uStrokeImageSize);\n\n // calculate the coverage\n coverageX(stroke0.xy, stroke0.zw, stroke1.xy);\n }\n }\n\n // intersect curves in this column\n {\n int colIndex = gridCoord.x + uGridOffset.x;\n vec4 colInfo = getTexel(uSamplerCols, colIndex, uGridImageSize);\n int colStrokeIndex = getInt16(colInfo.xy);\n int colStrokeCount = getInt16(colInfo.zw);\n \n for (int iColStroke = INT(0); iColStroke < N; iColStroke++) {\n if (iColStroke >= colStrokeCount)\n break;\n\n vec4 strokeIndices = getTexel(uSamplerColStrokes, colStrokeIndex++, uCellsImageSize);\n\n int strokePos = getInt16(strokeIndices.xy);\n vec4 stroke0 = getTexel(uSamplerStrokes, strokePos + INT(0), uStrokeImageSize);\n vec4 stroke1 = getTexel(uSamplerStrokes, strokePos + INT(1), uStrokeImageSize);\n coverageY(stroke0.xy, stroke0.zw, stroke1.xy);\n }\n }\n\n weight = saturate(1.0 - weight * 2.0);\n float distance = max(weight.x + weight.y, minDistance); // manhattan approx.\n float antialias = abs(dot(coverage, weight) / distance);\n float cover = min(abs(coverage.x), abs(coverage.y));\n OUT_COLOR = vec4(uMaterialColor.rgb, 1.) * uMaterialColor.a;\n OUT_COLOR *= saturate(max(antialias, cover));\n}\n",lineVert:T+"/*\n Part of the Processing project - http://processing.org\n Copyright (c) 2012-15 The Processing Foundation\n Copyright (c) 2004-12 Ben Fry and Casey Reas\n Copyright (c) 2001-04 Massachusetts Institute of Technology\n This library is free software; you can redistribute it and/or\n modify it under the terms of the GNU Lesser General Public\n License as published by the Free Software Foundation, version 2.1.\n This library is distributed in the hope that it will be useful,\n but WITHOUT ANY WARRANTY; without even the implied warranty of\n MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU\n Lesser General Public License for more details.\n You should have received a copy of the GNU Lesser General\n Public License along with this library; if not, write to the\n Free Software Foundation, Inc., 59 Temple Place, Suite 330,\n Boston, MA 02111-1307 USA\n*/\n\n#define PROCESSING_LINE_SHADER\n\nprecision mediump int;\n\nuniform mat4 uModelViewMatrix;\nuniform mat4 uProjectionMatrix;\nuniform float uStrokeWeight;\n\nuniform bool uUseLineColor;\nuniform vec4 uMaterialColor;\n\nuniform vec4 uViewport;\nuniform int uPerspective;\nuniform int uStrokeJoin;\n\nIN vec4 aPosition;\nIN vec3 aTangentIn;\nIN vec3 aTangentOut;\nIN float aSide;\nIN vec4 aVertexColor;\n\nOUT vec4 vColor;\nOUT vec2 vTangent;\nOUT vec2 vCenter;\nOUT vec2 vPosition;\nOUT float vMaxDist;\nOUT float vCap;\nOUT float vJoin;\n\nvec2 lineIntersection(vec2 aPoint, vec2 aDir, vec2 bPoint, vec2 bDir) {\n // Rotate and translate so a starts at the origin and goes out to the right\n bPoint -= aPoint;\n vec2 rotatedBFrom = vec2(\n bPoint.x*aDir.x + bPoint.y*aDir.y,\n bPoint.y*aDir.x - bPoint.x*aDir.y\n );\n vec2 bTo = bPoint + bDir;\n vec2 rotatedBTo = vec2(\n bTo.x*aDir.x + bTo.y*aDir.y,\n bTo.y*aDir.x - bTo.x*aDir.y\n );\n float intersectionDistance =\n rotatedBTo.x + (rotatedBFrom.x - rotatedBTo.x) * rotatedBTo.y /\n (rotatedBTo.y - rotatedBFrom.y);\n return aPoint + aDir * intersectionDistance;\n}\n\nvoid main() {\n // Caps have one of either the in or out tangent set to 0\n vCap = (aTangentIn == vec3(0.)) != (aTangentOut == (vec3(0.)))\n ? 1. : 0.;\n\n // Joins have two unique, defined tangents\n vJoin = (\n aTangentIn != vec3(0.) &&\n aTangentOut != vec3(0.) &&\n aTangentIn != aTangentOut\n ) ? 1. : 0.;\n\n vec4 posp = uModelViewMatrix * aPosition;\n vec4 posqIn = uModelViewMatrix * (aPosition + vec4(aTangentIn, 0));\n vec4 posqOut = uModelViewMatrix * (aPosition + vec4(aTangentOut, 0));\n\n float facingCamera = pow(\n // The word space tangent's z value is 0 if it's facing the camera\n abs(normalize(posqIn-posp).z),\n\n // Using pow() here to ramp `facingCamera` up from 0 to 1 really quickly\n // so most lines get scaled and don't get clipped\n 0.25\n );\n\n // Moving vertices slightly toward the camera\n // to avoid depth-fighting with the fill triangles.\n // This prevents popping effects due to half of\n // the line disappearing behind the geometry faces.\n \n float zOffset = mix(-0.00045, -1., facingCamera);\n posp.z -= zOffset;\n posqIn.z -= zOffset;\n posqOut.z -= zOffset;\n \n vec4 p = uProjectionMatrix * posp;\n vec4 qIn = uProjectionMatrix * posqIn;\n vec4 qOut = uProjectionMatrix * posqOut;\n vCenter = p.xy;\n\n // formula to convert from clip space (range -1..1) to screen space (range 0..[width or height])\n // screen_p = (p.xy/p.w + <1,1>) * 0.5 * uViewport.zw\n\n // prevent division by W by transforming the tangent formula (div by 0 causes\n // the line to disappear, see https://github.com/processing/processing/issues/5183)\n // t = screen_q - screen_p\n //\n // tangent is normalized and we don't care which aDirection it points to (+-)\n // t = +- normalize( screen_q - screen_p )\n // t = +- normalize( (q.xy/q.w+<1,1>)*0.5*uViewport.zw - (p.xy/p.w+<1,1>)*0.5*uViewport.zw )\n //\n // extract common factor, <1,1> - <1,1> cancels out\n // t = +- normalize( (q.xy/q.w - p.xy/p.w) * 0.5 * uViewport.zw )\n //\n // convert to common divisor\n // t = +- normalize( ((q.xy*p.w - p.xy*q.w) / (p.w*q.w)) * 0.5 * uViewport.zw )\n //\n // remove the common scalar divisor/factor, not needed due to normalize and +-\n // (keep uViewport - can't remove because it has different components for x and y\n // and corrects for aspect ratio, see https://github.com/processing/processing/issues/5181)\n // t = +- normalize( (q.xy*p.w - p.xy*q.w) * uViewport.zw )\n\n vec2 tangentIn = normalize((qIn.xy*p.w - p.xy*qIn.w) * uViewport.zw);\n vec2 tangentOut = normalize((qOut.xy*p.w - p.xy*qOut.w) * uViewport.zw);\n\n vec2 curPerspScale;\n if(uPerspective == 1) {\n // Perspective ---\n // convert from world to clip by multiplying with projection scaling factor\n // to get the right thickness (see https://github.com/processing/processing/issues/5182)\n\n // The y value of the projection matrix may be flipped if rendering to a Framebuffer.\n // Multiplying again by its sign here negates the flip to get just the scale.\n curPerspScale = (uProjectionMatrix * vec4(1, sign(uProjectionMatrix[1][1]), 0, 0)).xy;\n } else {\n // No Perspective ---\n // multiply by W (to cancel out division by W later in the pipeline) and\n // convert from screen to clip (derived from clip to screen above)\n curPerspScale = p.w / (0.5 * uViewport.zw);\n }\n\n vec2 offset;\n if (vJoin == 1.) {\n vTangent = normalize(tangentIn + tangentOut);\n vec2 normalIn = vec2(-tangentIn.y, tangentIn.x);\n vec2 normalOut = vec2(-tangentOut.y, tangentOut.x);\n float side = sign(aSide);\n float sideEnum = abs(aSide);\n\n // We generate vertices for joins on either side of the centerline, but\n // the \"elbow\" side is the only one needing a join. By not setting the\n // offset for the other side, all its vertices will end up in the same\n // spot and not render, effectively discarding it.\n if (sign(dot(tangentOut, vec2(-tangentIn.y, tangentIn.x))) != side) {\n // Side enums:\n // 1: the side going into the join\n // 2: the middle of the join\n // 3: the side going out of the join\n if (sideEnum == 2.) {\n // Calculate the position + tangent on either side of the join, and\n // find where the lines intersect to find the elbow of the join\n vec2 c = (posp.xy/posp.w + vec2(1.,1.)) * 0.5 * uViewport.zw;\n vec2 intersection = lineIntersection(\n c + (side * normalIn * uStrokeWeight / 2.),\n tangentIn,\n c + (side * normalOut * uStrokeWeight / 2.),\n tangentOut\n );\n offset = (intersection - c);\n\n // When lines are thick and the angle of the join approaches 180, the\n // elbow might be really far from the center. We'll apply a limit to\n // the magnitude to avoid lines going across the whole screen when this\n // happens.\n float mag = length(offset);\n float maxMag = 3. * uStrokeWeight;\n if (mag > maxMag) {\n offset *= maxMag / mag;\n }\n } else if (sideEnum == 1.) {\n offset = side * normalIn * uStrokeWeight / 2.;\n } else if (sideEnum == 3.) {\n offset = side * normalOut * uStrokeWeight / 2.;\n }\n }\n if (uStrokeJoin == STROKE_JOIN_BEVEL) {\n vec2 avgNormal = vec2(-vTangent.y, vTangent.x);\n vMaxDist = abs(dot(avgNormal, normalIn * uStrokeWeight / 2.));\n } else {\n vMaxDist = uStrokeWeight / 2.;\n }\n } else {\n vec2 tangent = aTangentIn == vec3(0.) ? tangentOut : tangentIn;\n vTangent = tangent;\n vec2 normal = vec2(-tangent.y, tangent.x);\n\n float normalOffset = sign(aSide);\n // Caps will have side values of -2 or 2 on the edge of the cap that\n // extends out from the line\n float tangentOffset = abs(aSide) - 1.;\n offset = (normal * normalOffset + tangent * tangentOffset) *\n uStrokeWeight * 0.5;\n vMaxDist = uStrokeWeight / 2.;\n }\n vPosition = vCenter + offset;\n\n gl_Position.xy = p.xy + offset.xy * curPerspScale;\n gl_Position.zw = p.zw;\n \n vColor = (uUseLineColor ? aVertexColor : uMaterialColor);\n}\n",lineFrag:T+"precision mediump int;\n\nuniform vec4 uMaterialColor;\nuniform int uStrokeCap;\nuniform int uStrokeJoin;\nuniform float uStrokeWeight;\n\nIN vec4 vColor;\nIN vec2 vTangent;\nIN vec2 vCenter;\nIN vec2 vPosition;\nIN float vMaxDist;\nIN float vCap;\nIN float vJoin;\n\nfloat distSquared(vec2 a, vec2 b) {\n vec2 aToB = b - a;\n return dot(aToB, aToB);\n}\n\nvoid main() {\n if (vCap > 0.) {\n if (\n uStrokeCap == STROKE_CAP_ROUND &&\n distSquared(vPosition, vCenter) > uStrokeWeight * uStrokeWeight * 0.25\n ) {\n discard;\n } else if (\n uStrokeCap == STROKE_CAP_SQUARE &&\n dot(vPosition - vCenter, vTangent) > 0.\n ) {\n discard;\n }\n // Use full area for PROJECT\n } else if (vJoin > 0.) {\n if (\n uStrokeJoin == STROKE_JOIN_ROUND &&\n distSquared(vPosition, vCenter) > uStrokeWeight * uStrokeWeight * 0.25\n ) {\n discard;\n } else if (uStrokeJoin == STROKE_JOIN_BEVEL) {\n vec2 normal = vec2(-vTangent.y, vTangent.x);\n if (abs(dot(vPosition - vCenter, normal)) > vMaxDist) {\n discard;\n }\n }\n // Use full area for MITER\n }\n OUT_COLOR = vec4(vColor.rgb, 1.) * vColor.a;\n}\n",pointVert:"IN vec3 aPosition;\nuniform float uPointSize;\nOUT float vStrokeWeight;\nuniform mat4 uModelViewMatrix;\nuniform mat4 uProjectionMatrix;\nvoid main() {\n\tvec4 positionVec4 = vec4(aPosition, 1.0);\n\tgl_Position = uProjectionMatrix * uModelViewMatrix * positionVec4;\n\tgl_PointSize = uPointSize;\n\tvStrokeWeight = uPointSize;\n}\n",pointFrag:"precision mediump int;\nuniform vec4 uMaterialColor;\nIN float vStrokeWeight;\n\nvoid main(){\n float mask = 0.0;\n\n // make a circular mask using the gl_PointCoord (goes from 0 - 1 on a point)\n // might be able to get a nicer edge on big strokeweights with smoothstep but slightly less performant\n\n mask = step(0.98, length(gl_PointCoord * 2.0 - 1.0));\n\n // if strokeWeight is 1 or less lets just draw a square\n // this prevents weird artifacting from carving circles when our points are really small\n // if strokeWeight is larger than 1, we just use it as is\n\n mask = mix(0.0, mask, clamp(floor(vStrokeWeight - 0.5),0.0,1.0));\n\n // throw away the borders of the mask\n // otherwise we get weird alpha blending issues\n\n if(mask > 0.98){\n discard;\n }\n\n OUT_COLOR = vec4(uMaterialColor.rgb, 1.) * uMaterialColor.a;\n}\n",imageLightVert:"precision highp float;\nattribute vec3 aPosition;\nattribute vec3 aNormal;\nattribute vec2 aTexCoord;\n\nvarying vec3 localPos;\nvarying vec3 vWorldNormal;\nvarying vec3 vWorldPosition;\nvarying vec2 vTexCoord;\n\nuniform mat4 uModelViewMatrix;\nuniform mat4 uProjectionMatrix;\nuniform mat3 uNormalMatrix;\n\nvoid main() {\n // Multiply the position by the matrix.\n vec4 viewModelPosition = uModelViewMatrix * vec4(aPosition, 1.0);\n gl_Position = uProjectionMatrix * viewModelPosition; \n \n // orient the normals and pass to the fragment shader\n vWorldNormal = uNormalMatrix * aNormal;\n \n // send the view position to the fragment shader\n vWorldPosition = (uModelViewMatrix * vec4(aPosition, 1.0)).xyz;\n \n localPos = vWorldPosition;\n vTexCoord = aTexCoord;\n}\n\n\n/*\nin the vertex shader we'll compute the world position and world oriented normal of the vertices and pass those to the fragment shader as varyings.\n*/\n",imageLightDiffusedFrag:"precision highp float;\nvarying vec3 localPos;\n\n// the HDR cubemap converted (can be from an equirectangular environment map.)\nuniform sampler2D environmentMap;\nvarying vec2 vTexCoord;\n\nconst float PI = 3.14159265359;\n\nvec2 nTOE( vec3 v ){\n // x = r sin(phi) cos(theta) \n // y = r cos(phi) \n // z = r sin(phi) sin(theta)\n float phi = acos( v.y );\n // if phi is 0, then there are no x, z components\n float theta = 0.0;\n // else \n theta = acos(v.x / sin(phi));\n float sinTheta = v.z / sin(phi);\n if (sinTheta < 0.0) {\n // Turn it into -theta, but in the 0-2PI range\n theta = 2.0 * PI - theta;\n }\n theta = theta / (2.0 * 3.14159);\n phi = phi / 3.14159 ;\n \n vec2 angles = vec2( phi, theta );\n return angles;\n}\n\nfloat random(vec2 p) {\n vec3 p3 = fract(vec3(p.xyx) * .1031);\n p3 += dot(p3, p3.yzx + 33.33);\n return fract((p3.x + p3.y) * p3.z);\n}\n\nvoid main()\n{ \t \n\t// the sample direction equals the hemisphere's orientation\n float phi = vTexCoord.x * 2.0 * PI;\n float theta = vTexCoord.y * PI;\n float x = sin(theta) * cos(phi);\n float y = sin(theta) * sin(phi);\n float z = cos(theta);\n vec3 normal = vec3( x, y, z);\n\n\t// Discretely sampling the hemisphere given the integral's\n // spherical coordinates translates to the following fragment code:\n\tvec3 irradiance = vec3(0.0); \n\tvec3 up\t= vec3(0.0, 1.0, 0.0);\n\tvec3 right = normalize(cross(up, normal));\n\tup = normalize(cross(normal, right));\n\n\t// We specify a fixed sampleDelta delta value to traverse\n // the hemisphere; decreasing or increasing the sample delta\n // will increase or decrease the accuracy respectively.\n\tconst float sampleDelta = 0.100;\n\tfloat nrSamples = 0.0;\n float randomOffset = random(gl_FragCoord.xy) * sampleDelta;\n\tfor(float rawPhi = 0.0; rawPhi < 2.0 * PI; rawPhi += sampleDelta)\n\t{\n float phi = rawPhi + randomOffset;\n for(float rawTheta = 0.0; rawTheta < ( 0.5 ) * PI; rawTheta += sampleDelta)\n {\n float theta = rawTheta + randomOffset;\n // spherical to cartesian (in tangent space) // tangent space to world // add each sample result to irradiance\n float x = sin(theta) * cos(phi);\n float y = sin(theta) * sin(phi);\n float z = cos(theta);\n vec3 tangentSample = vec3( x, y, z);\n \n vec3 sampleVec = tangentSample.x * right + tangentSample.y * up + tangentSample.z * normal;\n irradiance += (texture2D(environmentMap, nTOE(sampleVec)).xyz) * cos(theta) * sin(theta);\n nrSamples++;\n }\n\t}\n\t// divide by the total number of samples taken, giving us the average sampled irradiance.\n\tirradiance = PI * irradiance * (1.0 / float(nrSamples )) ;\n \n \n\tgl_FragColor = vec4(irradiance, 1.0);\n}",imageLightSpecularFrag:"precision highp float;\r\nvarying vec3 localPos;\r\nvarying vec2 vTexCoord;\r\n\r\n// our texture\r\nuniform sampler2D environmentMap;\r\nuniform float roughness;\r\n\r\nconst float PI = 3.14159265359;\r\n\r\nfloat VanDerCorput(int bits);\r\nvec2 HammersleyNoBitOps(int i, int N);\r\nvec3 ImportanceSampleGGX(vec2 Xi, vec3 N, float roughness);\r\n\r\n\r\nvec2 nTOE( vec3 v ){\r\n // x = r sin(phi) cos(theta) \r\n // y = r cos(phi) \r\n // z = r sin(phi) sin(theta)\r\n float phi = acos( v.y );\r\n // if phi is 0, then there are no x, z components\r\n float theta = 0.0;\r\n // else \r\n theta = acos(v.x / sin(phi));\r\n float sinTheta = v.z / sin(phi);\r\n if (sinTheta < 0.0) {\r\n // Turn it into -theta, but in the 0-2PI range\r\n theta = 2.0 * PI - theta;\r\n }\r\n theta = theta / (2.0 * 3.14159);\r\n phi = phi / 3.14159 ;\r\n \r\n vec2 angles = vec2( phi, theta );\r\n return angles;\r\n}\r\n\r\n\r\nvoid main(){\r\n const int SAMPLE_COUNT = 400; // 4096\r\n int lowRoughnessLimit = int(pow(2.0,(roughness+0.1)*20.0));\r\n float totalWeight = 0.0;\r\n vec3 prefilteredColor = vec3(0.0);\r\n float phi = vTexCoord.x * 2.0 * PI;\r\n float theta = vTexCoord.y * PI;\r\n float x = sin(theta) * cos(phi);\r\n float y = sin(theta) * sin(phi);\r\n float z = cos(theta);\r\n vec3 N = vec3(x,y,z);\r\n vec3 V = N;\r\n for (int i = 0; i < SAMPLE_COUNT; ++i)\r\n {\r\n // break at smaller sample numbers for low roughness levels\r\n if(i == lowRoughnessLimit)\r\n {\r\n break;\r\n }\r\n vec2 Xi = HammersleyNoBitOps(i, SAMPLE_COUNT);\r\n vec3 H = ImportanceSampleGGX(Xi, N, roughness);\r\n vec3 L = normalize(2.0 * dot(V, H) * H - V);\r\n\r\n float NdotL = max(dot(N, L), 0.0);\r\n if (NdotL > 0.0)\r\n {\r\n prefilteredColor += texture2D(environmentMap, nTOE(L)).xyz * NdotL;\r\n totalWeight += NdotL;\r\n }\r\n }\r\n prefilteredColor = prefilteredColor / totalWeight;\r\n\r\n gl_FragColor = vec4(prefilteredColor, 1.0);\r\n}\r\n\r\nvec3 ImportanceSampleGGX(vec2 Xi, vec3 N, float roughness){\r\n float a = roughness * roughness;\r\n\r\n float phi = 2.0 * PI * Xi.x;\r\n float cosTheta = sqrt((1.0 - Xi.y) / (1.0 + (a * a - 1.0) * Xi.y));\r\n float sinTheta = sqrt(1.0 - cosTheta * cosTheta);\r\n // from spherical coordinates to cartesian coordinates\r\n vec3 H;\r\n H.x = cos(phi) * sinTheta;\r\n H.y = sin(phi) * sinTheta;\r\n H.z = cosTheta;\r\n\r\n // from tangent-space vector to world-space sample vector\r\n vec3 up = abs(N.z) < 0.999 ? vec3(0.0, 0.0, 1.0) : vec3(1.0, 0.0, 0.0);\r\n vec3 tangent = normalize(cross(up, N));\r\n vec3 bitangent = cross(N, tangent);\r\n\r\n vec3 sampleVec = tangent * H.x + bitangent * H.y + N * H.z;\r\n return normalize(sampleVec);\r\n}\r\n\r\n\r\nfloat VanDerCorput(int n, int base)\r\n{\r\n#ifdef WEBGL2\r\n\r\n uint bits = uint(n);\r\n bits = (bits << 16u) | (bits >> 16u);\r\n bits = ((bits & 0x55555555u) << 1u) | ((bits & 0xAAAAAAAAu) >> 1u);\r\n bits = ((bits & 0x33333333u) << 2u) | ((bits & 0xCCCCCCCCu) >> 2u);\r\n bits = ((bits & 0x0F0F0F0Fu) << 4u) | ((bits & 0xF0F0F0F0u) >> 4u);\r\n bits = ((bits & 0x00FF00FFu) << 8u) | ((bits & 0xFF00FF00u) >> 8u);\r\n return float(bits) * 2.3283064365386963e-10; // / 0x100000000\r\n\r\n#else\r\n\r\n float invBase = 1.0 / float(base);\r\n float denom = 1.0;\r\n float result = 0.0;\r\n\r\n\r\n for (int i = 0; i < 32; ++i)\r\n {\r\n if (n > 0)\r\n {\r\n denom = mod(float(n), 2.0);\r\n result += denom * invBase;\r\n invBase = invBase / 2.0;\r\n n = int(float(n) / 2.0);\r\n }\r\n }\r\n\r\n\r\n return result;\r\n\r\n#endif\r\n}\r\n\r\nvec2 HammersleyNoBitOps(int i, int N)\r\n{\r\n return vec2(float(i) / float(N), VanDerCorput(i, 2));\r\n}\r\n"},M=E.sphereMappingFrag;for(x in E)E[x]="#ifdef WEBGL2\n\n#define IN in\n#define OUT out\n\n#ifdef FRAGMENT_SHADER\nout vec4 outColor;\n#define OUT_COLOR outColor\n#endif\n#define TEXTURE texture\n\n#else\n\n#ifdef FRAGMENT_SHADER\n#define IN varying\n#else\n#define IN attribute\n#endif\n#define OUT varying\n#define TEXTURE texture2D\n\n#ifdef FRAGMENT_SHADER\n#define OUT_COLOR gl_FragColor\n#endif\n\n#endif\n"+E[x];j(e={},l.GRAY,"precision highp float;\n\nvarying vec2 vTexCoord;\n\nuniform sampler2D tex0;\n\nfloat luma(vec3 color) {\n // weighted grayscale with luminance values\n return dot(color, vec3(0.2126, 0.7152, 0.0722));\n}\n\nvoid main() {\n vec4 tex = texture2D(tex0, vTexCoord);\n float gray = luma(tex.rgb);\n gl_FragColor = vec4(gray, gray, gray, tex.a);\n}\n"),j(e,l.ERODE,"// Reduces the bright areas in an image\n\nprecision highp float;\n\nvarying vec2 vTexCoord;\n\nuniform sampler2D tex0;\nuniform vec2 texelSize;\n\nfloat luma(vec3 color) {\n // weighted grayscale with luminance values\n // weights 77, 151, 28 taken from src/image/filters.js\n return dot(color, vec3(0.300781, 0.589844, 0.109375));\n}\n\nvoid main() {\n vec4 color = texture2D(tex0, vTexCoord);\n float lum = luma(color.rgb);\n\n // set current color as the darkest neighbor color\n\n vec4 neighbors[4];\n neighbors[0] = texture2D(tex0, vTexCoord + vec2( texelSize.x, 0.0));\n neighbors[1] = texture2D(tex0, vTexCoord + vec2(-texelSize.x, 0.0));\n neighbors[2] = texture2D(tex0, vTexCoord + vec2(0.0, texelSize.y));\n neighbors[3] = texture2D(tex0, vTexCoord + vec2(0.0, -texelSize.y));\n\n for (int i = 0; i < 4; i++) {\n vec4 neighborColor = neighbors[i];\n float neighborLum = luma(neighborColor.rgb);\n\n if (neighborLum < lum) {\n color = neighborColor;\n lum = neighborLum;\n }\n }\n\n gl_FragColor = color;\n}\n"),j(e,l.DILATE,"// Increase the bright areas in an image\n\nprecision highp float;\n\nvarying vec2 vTexCoord;\n\nuniform sampler2D tex0;\nuniform vec2 texelSize;\n\nfloat luma(vec3 color) {\n // weighted grayscale with luminance values\n // weights 77, 151, 28 taken from src/image/filters.js\n return dot(color, vec3(0.300781, 0.589844, 0.109375));\n}\n\nvoid main() {\n vec4 color = texture2D(tex0, vTexCoord);\n float lum = luma(color.rgb);\n\n // set current color as the brightest neighbor color\n\n vec4 neighbors[4];\n neighbors[0] = texture2D(tex0, vTexCoord + vec2( texelSize.x, 0.0));\n neighbors[1] = texture2D(tex0, vTexCoord + vec2(-texelSize.x, 0.0));\n neighbors[2] = texture2D(tex0, vTexCoord + vec2(0.0, texelSize.y));\n neighbors[3] = texture2D(tex0, vTexCoord + vec2(0.0, -texelSize.y));\n\n for (int i = 0; i < 4; i++) {\n vec4 neighborColor = neighbors[i];\n float neighborLum = luma(neighborColor.rgb);\n\n if (neighborLum > lum) {\n color = neighborColor;\n lum = neighborLum;\n }\n }\n\n gl_FragColor = color;\n}\n"),j(e,l.BLUR,"precision highp float;\n\n// Two-pass blur filter, unweighted kernel.\n// See also a similar blur at Adam Ferriss' repo of shader examples:\n// https://github.com/aferriss/p5jsShaderExamples/blob/gh-pages/4_image-effects/4-9_single-pass-blur/effect.frag\n\n\nuniform sampler2D tex0;\nvarying vec2 vTexCoord;\nuniform vec2 direction;\nuniform vec2 canvasSize;\nuniform float radius;\n\nfloat random(vec2 p) {\n vec3 p3 = fract(vec3(p.xyx) * .1031);\n p3 += dot(p3, p3.yzx + 33.33);\n return fract((p3.x + p3.y) * p3.z);\n}\n\n// This isn't a real Gaussian weight, it's a quadratic weight. It's what the\n// CPU mode's blur uses though, so we also use it here to match.\nfloat quadWeight(float x, float e) {\n return pow(e-abs(x), 2.);\n}\n\nvoid main(){\n vec2 uv = vTexCoord;\n\n // A reasonable maximum number of samples\n const float maxSamples = 64.0;\n\n float numSamples = floor(7. * radius);\n if (fract(numSamples / 2.) == 0.) {\n numSamples++;\n }\n vec4 avg = vec4(0.0);\n float total = 0.0;\n\n // Calculate the spacing to avoid skewing if numSamples > maxSamples\n float spacing = 1.0;\n if (numSamples > maxSamples) {\n spacing = numSamples / maxSamples;\n numSamples = maxSamples;\n }\n\n float randomOffset = (spacing - 1.0) * mix(-0.5, 0.5, random(gl_FragCoord.xy));\n for (float i = 0.0; i < maxSamples; i++) {\n if (i >= numSamples) break;\n\n float sample = i * spacing - (numSamples - 1.0) * 0.5 * spacing + randomOffset;\n vec2 sampleCoord = uv + vec2(sample, sample) / canvasSize * direction;\n float weight = quadWeight(sample, (numSamples - 1.0) * 0.5 * spacing);\n\n avg += weight * texture2D(tex0, sampleCoord);\n total += weight;\n }\n\n avg /= total;\n gl_FragColor = avg;\n}\n"),j(e,l.POSTERIZE,"// Limit color space for a stylized cartoon / poster effect\n\nprecision highp float;\n\nvarying vec2 vTexCoord;\n\nuniform sampler2D tex0;\nuniform float filterParameter;\n\nvec3 quantize(vec3 color, float n) {\n // restrict values to N options/bins\n // and floor each channel to nearest value\n //\n // eg. when N = 5, values = 0.0, 0.25, 0.50, 0.75, 1.0\n // then quantize (0.1, 0.7, 0.9) -> (0.0, 0.5, 1.0)\n\n color = color * n;\n color = floor(color);\n color = color / (n - 1.0);\n return color;\n}\n\nvoid main() {\n vec4 color = texture2D(tex0, vTexCoord);\n\n vec3 restrictedColor = quantize(color.rgb / color.a, filterParameter);\n\n gl_FragColor = vec4(restrictedColor.rgb * color.a, color.a);\n}\n"),j(e,l.OPAQUE,"// Set alpha channel to entirely opaque\n\nprecision highp float;\n\nvarying vec2 vTexCoord;\n\nuniform sampler2D tex0;\n\nvoid main() {\n vec4 color = texture2D(tex0, vTexCoord);\n gl_FragColor = vec4(color.rgb / color.a, 1.0);\n}\n"),j(e,l.INVERT,"// Set each pixel to inverse value\n// Note that original INVERT does not change the opacity, so this follows suit\n\nprecision highp float;\n\nvarying vec2 vTexCoord;\n\nuniform sampler2D tex0;\n\nvoid main() {\nvec4 color = texture2D(tex0, vTexCoord);\nvec3 origColor = color.rgb / color.a;\nvec3 invertedColor = vec3(1.0) - origColor;\ngl_FragColor = vec4(invertedColor * color.a, color.a);\n}\n"),j(e,l.THRESHOLD,"// Convert pixels to either white or black, \n// depending on if their luma is above or below filterParameter\n\nprecision highp float;\n\nvarying vec2 vTexCoord;\n\nuniform sampler2D tex0;\nuniform float filterParameter;\n\nfloat luma(vec3 color) {\n // weighted grayscale with luminance values\n return dot(color, vec3(0.2126, 0.7152, 0.0722));\n}\n\nvoid main() {\n vec4 color = texture2D(tex0, vTexCoord);\n float gray = luma(color.rgb / color.a);\n // floor() used to match src/image/filters.js\n float threshold = floor(filterParameter * 255.0) / 255.0;\n float blackOrWhite = step(threshold, gray);\n gl_FragColor = vec4(vec3(blackOrWhite) * color.a, color.a);\n}\n");var k=e;function O(e,t,r,o,n,s,i,a,l,u){var c=t.getParameter(t.FRAMEBUFFER_BINDING),r=(t.bindFramebuffer(t.FRAMEBUFFER,r),a===t.RGBA?4:3),d=s*i*r,h=l===t.UNSIGNED_BYTE?Uint8Array:Float32Array;if(e instanceof h&&e.length===d||(e=new h(d)),t.readPixels(o,u?u-n-i:n,s,i,a,l,e),t.bindFramebuffer(t.FRAMEBUFFER,c),u)for(var f=Math.floor(i/2),p=new h(s*r),m=0;m>7,127&d,c>>7,127&c);for(var h=0;h>7,127&f,0,0)}}return{cellImageInfo:a,dimOffset:t,dimImageInfo:n}}}}]),t}();B.default.RendererGL.prototype._renderText=function(e,t,r,o,n){if(this._textFont&&"string"!=typeof this._textFont){if(!(n<=o)&&this._doFill){if(this._isOpenType()){e.push();var n=this._doStroke,s=this.drawMode,i=(this._doStroke=!1,this.drawMode=E.TEXTURE,this._textFont.font),a=(a=this._textFont._fontInfo)||(this._textFont._fontInfo=new M(i)),r=this._textFont._handleAlignment(this,t,r,o),o=this._textSize/i.unitsPerEm,l=(this.translate(r.x,r.y,0),this.scale(o,o,1),this.GL),r=!this._defaultFontShader,u=this._getFontShader(),c=(u.init(),u.bindShader(),r&&(u.setUniform("uGridImageSize",[64,64]),u.setUniform("uCellsImageSize",[64,64]),u.setUniform("uStrokeImageSize",[64,64]),u.setUniform("uGridSize",[9,9])),this._applyColorBlend(this.curFillColor),this.retainedMode.geometry.glyph),d=(c||((o=this._textGeom=new B.default.Geometry(1,1,function(){for(var e=0;e<=1;e++)for(var t=0;t<=1;t++)this.vertices.push(new B.default.Vector(t,e,0)),this.uvs.push(t,e)})).computeFaces().computeNormals(),c=this.createBuffers("glyph",o)),!0),r=!1,o=void 0;try{for(var h,f=this.retainedMode.buffers.text[Symbol.iterator]();!(d=(h=f.next()).done);d=!0)h.value._prepareBuffer(c,u)}catch(e){r=!0,o=e}finally{try{d||null==f.return||f.return()}finally{if(r)throw o}}this._bindBuffer(c.indexBuffer,l.ELEMENT_ARRAY_BUFFER),u.setUniform("uMaterialColor",this.curFillColor),l.pixelStorei(l.UNPACK_PREMULTIPLY_ALPHA_WEBGL,!1);try{var p=0,m=null,y=i.stringToGlyphs(t),g=!0,v=!1,b=void 0;try{for(var j,_=y[Symbol.iterator]();!(g=(j=_.next()).done);g=!0){var x,w,S=j.value,T=(m&&(p+=i.getKerningValue(m,S)),a.getGlyphInfo(S));T.uGlyphRect&&(x=T.rowInfo,w=T.colInfo,u.setUniform("uSamplerStrokes",T.strokeImageInfo.imageData),u.setUniform("uSamplerRowStrokes",x.cellImageInfo.imageData),u.setUniform("uSamplerRows",x.dimImageInfo.imageData),u.setUniform("uSamplerColStrokes",w.cellImageInfo.imageData),u.setUniform("uSamplerCols",w.dimImageInfo.imageData),u.setUniform("uGridOffset",T.uGridOffset),u.setUniform("uGlyphRect",T.uGlyphRect),u.setUniform("uGlyphOffset",p),u.bindTextures(),l.drawElements(l.TRIANGLES,6,this.GL.UNSIGNED_SHORT,0)),p+=S.advanceWidth,m=S}}catch(e){v=!0,b=e}finally{try{g||null==_.return||_.return()}finally{if(v)throw b}}}finally{u.unbindShader(),this._doStroke=n,this.drawMode=s,l.pixelStorei(l.UNPACK_PREMULTIPLY_ALPHA_WEBGL,!0),e.pop()}}else console.log("WEBGL: only Opentype (.otf) and Truetype (.ttf) fonts are supported");return e}}else console.log("WEBGL: you must load and set a font before drawing text. See `loadFont` and `textFont` for more details.")}},{"../core/constants":272,"../core/main":283,"./p5.RendererGL.Retained":340,"./p5.Shader":342,"core-js/modules/es.array.iterator":165,"core-js/modules/es.object.get-own-property-descriptor":186,"core-js/modules/es.object.to-string":190,"core-js/modules/es.regexp.exec":195,"core-js/modules/es.string.iterator":200,"core-js/modules/es.string.split":206,"core-js/modules/es.string.sub":208,"core-js/modules/es.symbol":212,"core-js/modules/es.symbol.description":210,"core-js/modules/es.symbol.iterator":211,"core-js/modules/es.weak-map":244,"core-js/modules/web.dom-collections.iterator":246}]},{},[267])(267)}); \ No newline at end of file diff --git a/examples/texture-overlay-outside/lib/p5.grain.min.js b/examples/texture-overlay-outside/lib/p5.grain.min.js index 5f132fa..bdb8a1b 100644 --- a/examples/texture-overlay-outside/lib/p5.grain.min.js +++ b/examples/texture-overlay-outside/lib/p5.grain.min.js @@ -1,8 +1,8 @@ /**! * p5.grain * - * @version 0.7.0 + * @version 0.8.0 * @license MIT * @copyright meezwhite, Gorilla Sun */ -class P5Grain{version="0.7.0";instance;#t;#i;#n;constructor(){this.#t=Math.random,this.#i={frameCount:0},this.#n={frameCount:0,tX_anchor:0,tX:0,tY:0}}setup(t){void 0===t?this.#t=random:"object"==typeof t&&("function"==typeof t.random&&(this.#t=t.random),"object"==typeof t.instance&&(this.instance=t.instance))}granulateSimple(t,i,n){this.applyMonochromaticGrain(t,i,n)}applyMonochromaticGrain(t,i,n){const e=this.instance?this.instance.round(t):round(t),a=i||!1;n?n.loadPixels():this.instance?this.instance.loadPixels():loadPixels();const s=n?n.pixelDensity():this.instance?this.instance.pixelDensity():pixelDensity(),r=(n?n.width:this.instance?this.instance.width:width)*s*4*((n?n.height:this.instance?this.instance.height:height)*s),h=n?n.pixels:this.instance?this.instance.pixels:pixels;for(let t=0;t=n){const n=i&&i.amount?this.instance?this.instance.round(i.amount):round(i.amount):this.instance?this.instance.min(this.instance.width,this.instance.height):min(width,height),e=this.#t()*n,a=this.#t()*n,s=this.instance?this.instance.floor(e):floor(e),r=this.instance?this.instance.floor(a):floor(a),h=`${s}px ${r}px`;t instanceof HTMLElement?t.style.backgroundPosition=h:t instanceof SVGElement?(t.style.top=-r+"px",t.style.left=-s+"px"):t instanceof p5.Element&&t.style("background-position",h),this.#i.frameCount=0}}textureOverlay(t,i,n){const e=n instanceof p5.Graphics,a=e?n.width:this.instance?this.instance.width:width,s=e?n.height:this.instance?this.instance.height:height,r=i&&i.mode?i.mode:this.instance?this.instance.MULTIPLY:MULTIPLY,h=!(!i||!i.reflect)&&i.reflect,o=!(!i||!i.animate)&&i.animate,c=i&&i.animate&&i.animate.atFrame?this.instance?this.instance.round(i.animate.atFrame):round(i.animate.atFrame):2,l=i&&i.animate&&i.animate.amount?this.instance?this.instance.round(i.animate.amount):round(i.animate.amount):this.instance?this.instance.min(a,s):min(a,s),p=i&&"number"==typeof i.width?i.width:t.width,u=i&&"number"==typeof i.height?i.height:t.height;if(o&&(this.#n.frameCount+=1,this.#n.frameCount>=c)){const t=this.#t()*l,i=this.#t()*l;this.#n.tX_anchor=this.instance?-this.instance.floor(t):-floor(t),this.#n.tY=this.instance?-this.instance.floor(i):-floor(i),this.#n.frameCount=0}let m=this.#n.tX_anchor,d=this.#n.tY,x=!0,g=!0;for(n?n.blendMode(r):this.instance?this.instance.blendMode(r):blendMode(r);d=a){g=!0,m=this.#n.tX_anchor,d+=u;break}g=!g}x=!x}n?n.blendMode(this.instance?this.instance.BLEND:BLEND):this.instance?this.instance.blendMode(this.instance.BLEND):blendMode(BLEND),e&&n.reset()}#e(t,i){return t=Math.ceil(t),i=Math.floor(i),Math.floor(this.#t()*(i-t+1)+t)}}const p5grain=new P5Grain;p5.prototype.granulateSimple=function(t,i){return p5grain.granulateSimple(t,i)},p5.Graphics.prototype.granulateSimple=function(t,i){return p5grain.granulateSimple(t,i,this)},p5.prototype.granulateChannels=function(t,i){return p5grain.granulateChannels(t,i)},p5.Graphics.prototype.granulateChannels=function(t,i){return p5grain.granulateChannels(t,i,this)},p5.prototype.applyMonochromaticGrain=function(t,i){return p5grain.applyMonochromaticGrain(t,i)},p5.Graphics.prototype.applyMonochromaticGrain=function(t,i){return p5grain.applyMonochromaticGrain(t,i,this)},p5.prototype.applyChromaticGrain=function(t,i){return p5grain.applyChromaticGrain(t,i)},p5.Graphics.prototype.applyChromaticGrain=function(t,i){return p5grain.applyChromaticGrain(t,i,this)},p5.prototype.tinkerPixels=function(t,i){return p5grain.tinkerPixels(t,i)},p5.Graphics.prototype.tinkerPixels=function(t,i){return p5grain.tinkerPixels(t,i,this)},p5.prototype.loopPixels=function(t,i){return p5grain.loopPixels(t,i)},p5.Graphics.prototype.loopPixels=function(t,i){return p5grain.loopPixels(t,i,this)},p5.prototype.textureAnimate=function(t,i){return p5grain.textureAnimate(t,i)},p5.prototype.textureOverlay=function(t,i){return p5grain.textureOverlay(t,i)},p5.Graphics.prototype.textureOverlay=function(t,i){return p5grain.textureOverlay(t,i,this)}; +class P5Grain{version="0.8.0";instance;#t;#i;#e;#n;#a;constructor(){this.#s("float"),this.#n={frameCount:0},this.#a={frameCount:0,tX_anchor:0,tX:0,tY:0}}setup(t){"object"==typeof t&&("function"==typeof t.random&&(this.#t=t.random),"string"==typeof t.randomMode&&this.#s(t.randomMode),"object"==typeof t.instance&&(this.instance=t.instance)),void 0===this.#t&&(this.#t=p5.prototype.random)}applyMonochromaticGrain(t,i,e){const n=i||!1;let a,s,r,o;e?(e.loadPixels(),a=e.pixelDensity(),s=e.width,r=e.height,o=e.pixels):this.instance?(this.instance.loadPixels(),a=this.instance.pixelDensity(),s=this.instance.width,r=this.instance.height,o=this.instance.pixels):(loadPixels(),a=pixelDensity(),s=width,r=height,o=pixels);const h=s*a*4*(r*a),{min:p,max:c}=this.#r(-t,t);for(let t=0;t=e){const e=i&&i.amount?Math.round(i.amount):this.instance?Math.min(this.instance.width,this.instance.height):Math.min(width,height),n=this.#t()*e,a=this.#t()*e,s=Math.floor(n),r=Math.floor(a),o=`${s}px ${r}px`;t instanceof HTMLElement?t.style.backgroundPosition=o:t instanceof SVGElement?(t.style.top=-r+"px",t.style.left=-s+"px"):t instanceof p5.Element&&t.style("background-position",o),this.#n.frameCount=0}}textureOverlay(t,i,e){const n=e instanceof p5.Graphics;let a,s;n?(a=e.width,s=e.height):this.instance?(a=this.instance.width,s=this.instance.height):(a=width,s=height);const r=i&&i.mode?i.mode:this.instance?this.instance.MULTIPLY:MULTIPLY,o=!(!i||!i.reflect)&&i.reflect,h=!(!i||!i.animate)&&i.animate,p=i&&i.animate&&i.animate.atFrame?Math.round(i.animate.atFrame):2,c=i&&i.animate&&i.animate.amount?Math.round(i.animate.amount):Math.min(a,s),l=i&&"number"==typeof i.width?i.width:t.width,m=i&&"number"==typeof i.height?i.height:t.height;if(h&&(this.#a.frameCount+=1,this.#a.frameCount>=p)){const t=this.#t()*c,i=this.#t()*c;this.#a.tX_anchor=-Math.floor(t),this.#a.tY=-Math.floor(i),this.#a.frameCount=0}let d=this.#a.tX_anchor,u=this.#a.tY,x=!0,y=!0;for(e?e.blendMode(r):this.instance?this.instance.blendMode(r):blendMode(r);u=a){y=!0,d=this.#a.tX_anchor,u+=m;break}y=!y}x=!x}e?e.blendMode(this.instance?this.instance.BLEND:BLEND):this.instance?this.instance.blendMode(this.instance.BLEND):blendMode(BLEND),n&&e.reset()}#s(t){switch(t){case"int":this.#e=1,this.#i=this.#o;break;case"float":this.#e=0,this.#i=this.#h}}#r(t,i){return 1==this.#e?{min:Math.ceil(t),max:Math.floor(i)}:{min:t,max:i}}#o(t,i){return Math.floor(this.#t()*(i-t+1)+t)}#h(t,i){return this.#t()*(i-t)+t}}const p5grain=new P5Grain;p5.prototype.applyMonochromaticGrain=function(t,i){return p5grain.applyMonochromaticGrain(t,i)},p5.Graphics.prototype.applyMonochromaticGrain=function(t,i){return p5grain.applyMonochromaticGrain(t,i,this)},p5.Image.prototype.applyMonochromaticGrain=function(t,i){return p5grain.applyMonochromaticGrain(t,i,this)},p5.prototype.applyChromaticGrain=function(t,i){return p5grain.applyChromaticGrain(t,i)},p5.Graphics.prototype.applyChromaticGrain=function(t,i){return p5grain.applyChromaticGrain(t,i,this)},p5.Image.prototype.applyChromaticGrain=function(t,i){return p5grain.applyChromaticGrain(t,i,this)},p5.prototype.tinkerPixels=function(t,i){return p5grain.tinkerPixels(t,i)},p5.Graphics.prototype.tinkerPixels=function(t,i){return p5grain.tinkerPixels(t,i,this)},p5.Image.prototype.tinkerPixels=function(t,i){return p5grain.tinkerPixels(t,i,this)},p5.prototype.loopPixels=function(t,i){return p5grain.loopPixels(t,i)},p5.Graphics.prototype.loopPixels=function(t,i){return p5grain.loopPixels(t,i,this)},p5.Image.prototype.loopPixels=function(t,i){return p5grain.loopPixels(t,i,this)},p5.prototype.textureAnimate=function(t,i){return p5grain.textureAnimate(t,i)},p5.prototype.textureOverlay=function(t,i){return p5grain.textureOverlay(t,i)},p5.Graphics.prototype.textureOverlay=function(t,i){return p5grain.textureOverlay(t,i,this)}; diff --git 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                                                                                              Grid Output

                                                                                                '),this.dummyDOM.querySelector(i)?this.dummyDOM.querySelector(i).insertAdjacentHTML("afterend",n):this.dummyDOM.querySelector("#".concat(o)).innerHTML=n,this._accessibleOutputs[r].map=this.dummyDOM.querySelector("#".concat(r,"_map"))),this._accessibleOutputs[r].shapeDetails=this.dummyDOM.querySelector("#".concat(r,"_shapeDetails")),this._accessibleOutputs[r].summary=this.dummyDOM.querySelector("#".concat(r,"_summary"))},o.default.prototype._updateAccsOutput=function(){var e=this.canvas.id;JSON.stringify(this.ingredients.shapes)!==this.ingredients.pShapes&&(this.ingredients.pShapes=JSON.stringify(this.ingredients.shapes),this._accessibleOutputs.text&&this._updateTextOutput(e+"textOutput"),this._accessibleOutputs.grid&&this._updateGridOutput(e+"gridOutput"),this._accessibleOutputs.textLabel&&this._updateTextOutput(e+"textOutputLabel"),this._accessibleOutputs.gridLabel&&this._updateGridOutput(e+"gridOutputLabel"))},o.default.prototype._accsBackground=function(e){this.ingredients.pShapes=JSON.stringify(this.ingredients.shapes),this.ingredients.shapes={},this.ingredients.colors.backgroundRGBA!==e&&(this.ingredients.colors.backgroundRGBA=e,this.ingredients.colors.background=this._rgbColorName(e))},o.default.prototype._accsCanvasColors=function(e,t){"fill"===e?this.ingredients.colors.fillRGBA!==t&&(this.ingredients.colors.fillRGBA=t,this.ingredients.colors.fill=this._rgbColorName(t)):"stroke"===e&&this.ingredients.colors.strokeRGBA!==t&&(this.ingredients.colors.strokeRGBA=t,this.ingredients.colors.stroke=this._rgbColorName(t))},o.default.prototype._accsOutput=function(e,t){"ellipse"===e&&t[2]===t[3]?e="circle":"rectangle"===e&&t[2]===t[3]&&(e="square");var r,o,n={},s=!0,i=function(e,t){var r;e="rectangle"===e||"ellipse"===e||"arc"===e||"circle"===e||"square"===e?(r=Math.round(t[0]+t[2]/2),Math.round(t[1]+t[3]/2)):"triangle"===e?(r=(t[0]+t[2]+t[4])/3,(t[1]+t[3]+t[5])/3):"quadrilateral"===e?(r=(t[0]+t[2]+t[4]+t[6])/4,(t[1]+t[3]+t[5]+t[7])/4):"line"===e?(r=(t[0]+t[2])/2,(t[1]+t[3])/2):(r=t[0],t[1]);return[r,e]}(e,t);if("line"===e?(n.color=this.ingredients.colors.stroke,n.length=Math.round(this.dist(t[0],t[1],t[2],t[3])),r=this._getPos(t[0],[1]),o=this._getPos(t[2],[3]),n.loc=u(i,this.width,this.height),n.pos=r===o?"at ".concat(r):"from ".concat(r," to ").concat(o)):("point"===e?n.color=this.ingredients.colors.stroke:(n.color=this.ingredients.colors.fill,n.area=this._getArea(e,t)),n.pos=this._getPos.apply(this,l(i)),n.loc=u(i,this.width,this.height)),this.ingredients.shapes[e]){if(this.ingredients.shapes[e]!==[n]){for(var a in this.ingredients.shapes[e])JSON.stringify(this.ingredients.shapes[e][a])===JSON.stringify(n)&&(s=!1);!0===s&&this.ingredients.shapes[e].push(n)}}else this.ingredients.shapes[e]=[n]},o.default.prototype._getPos=function(e,t){var e=new DOMPointReadOnly(e,t),t=this._renderer.isP3D?new DOMMatrix(this._renderer.uMVMatrix.mat4):this.drawingContext.getTransform(),e=e.matrixTransform(t),t=e.x,e=e.y,r=this.width,o=this.height;return t<.4*r?e<.4*o?"top left":.6*oMath.PI?n+=o:n-=o)):"ellipse"===e||"circle"===e?n=3.14*t[2]/2*t[3]/2:"line"===e||"point"===e?n=0:"quadrilateral"===e?n=Math.abs((t[6]+t[0])*(t[7]-t[1])+(t[0]+t[2])*(t[1]-t[3])+(t[2]+t[4])*(t[3]-t[5])+(t[4]+t[6])*(t[5]-t[7]))/2:"rectangle"===e||"square"===e?n=t[2]*t[3]:"triangle"===e&&(n=Math.abs(t[0]*(t[3]-t[5])+t[2]*(t[5]-t[1])+t[4]*(t[1]-t[3]))/2),this.width*this._pixelDensity),i=this.height*this._pixelDensity,a=[new DOMPoint(0,0),new DOMPoint(s,0),new DOMPoint(s,i),new DOMPoint(0,i)],l=(this._renderer.isP3D?new 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strict";e("core-js/modules/es.array.concat"),e("core-js/modules/es.array.concat"),Object.defineProperty(r,"__esModule",{value:!0}),r.default=void 0;e=(e=e("../core/main"))&&e.__esModule?e:{default:e};e.default.prototype._updateTextOutput=function(e){var t,r,o,n;this.dummyDOM.querySelector("#".concat(e,"_summary"))&&(t=this._accessibleOutputs[e],o=function(e,t,r,o){r="Your output is a, ".concat(r," by ").concat(o," pixels, ").concat(t," canvas containing the following");r=1===e?"".concat(r," shape:"):"".concat(r," ").concat(e," shapes:");return r}((r=function(e,t){var r,o="",n=0;for(r in t)for(var s in t[r]){var i='
                                                                                              • ').concat(t[r][s].color," ").concat(r,"");"line"===r?i+=", ".concat(t[r][s].pos,", ").concat(t[r][s].length," pixels long.
                                                                                                • "):(i+=", at ".concat(t[r][s].pos),"point"!==r&&(i+=", covering ".concat(t[r][s].area,"% of the canvas")),i+="."),o+=i,n++}return{numShapes:n,listShapes:o}}(e,this.ingredients.shapes)).numShapes,this.ingredients.colors.background,this.width,this.height),n=function(e,t){var r,o="",n=0;for(r in t)for(var s in t[r]){var i='').concat(t[r][s].color," ").concat(r,"");"line"===r?i+="location = ".concat(t[r][s].pos,"length = ").concat(t[r][s].length," pixels"):(i+="location = ".concat(t[r][s].pos,""),"point"!==r&&(i+=" area = ".concat(t[r][s].area,"%")),i+=""),o+=i,n++}return 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curve (after t1)?\n if (y1 ? !y2 : y0) {\n // add the coverage for t1\n coverage.x += saturate(C1.x + 0.5);\n // calculate the anti-aliasing for t1\n weight.x = min(weight.x, abs(C1.x));\n }\n\n // are we outside the curve (after t2)?\n if (y1 ? !y0 : y2) {\n // subtract the coverage for t2\n coverage.x -= saturate(C2.x + 0.5);\n // calculate the anti-aliasing for t2\n weight.x = min(weight.x, abs(C2.x));\n }\n}\n\n// this is essentially the same as coverageX, but with the axes swapped\nvoid coverageY(vec2 p0, vec2 p1, vec2 p2) {\n\n vec2 C1, C2;\n calulateCrossings(p0, p1, p2, C1, C2);\n\n bool x0 = p0.x > vTexCoord.x;\n bool x1 = p1.x > vTexCoord.x;\n bool x2 = p2.x > vTexCoord.x;\n\n if (x1 ? !x2 : x0) {\n coverage.y -= saturate(C1.y + 0.5);\n weight.y = min(weight.y, abs(C1.y));\n }\n\n if (x1 ? !x0 : x2) {\n coverage.y += saturate(C2.y + 0.5);\n weight.y = min(weight.y, abs(C2.y));\n }\n}\n\nvoid main() {\n\n // calculate the pixel scale based on screen-coordinates\n pixelScale = hardness / fwidth(vTexCoord);\n\n // which grid cell is this pixel in?\n ivec2 gridCoord = ifloor(vTexCoord * vec2(uGridSize));\n\n // intersect curves in this row\n {\n // the index into the row info bitmap\n int rowIndex = gridCoord.y + uGridOffset.y;\n // fetch the info texel\n vec4 rowInfo = getTexel(uSamplerRows, rowIndex, uGridImageSize);\n // unpack the rowInfo\n int rowStrokeIndex = getInt16(rowInfo.xy);\n int rowStrokeCount = getInt16(rowInfo.zw);\n\n for (int iRowStroke = INT(0); iRowStroke < N; iRowStroke++) {\n if (iRowStroke >= rowStrokeCount)\n break;\n\n // each stroke is made up of 3 points: the start and control point\n // and the start of the next curve.\n // fetch the indices of this pair of strokes:\n vec4 strokeIndices = getTexel(uSamplerRowStrokes, rowStrokeIndex++, uCellsImageSize);\n\n // unpack the stroke index\n int strokePos = getInt16(strokeIndices.xy);\n\n // fetch the two strokes\n vec4 stroke0 = getTexel(uSamplerStrokes, strokePos + INT(0), uStrokeImageSize);\n vec4 stroke1 = getTexel(uSamplerStrokes, strokePos + INT(1), uStrokeImageSize);\n\n // calculate the coverage\n coverageX(stroke0.xy, stroke0.zw, stroke1.xy);\n }\n }\n\n // intersect curves in this column\n {\n int colIndex = gridCoord.x + uGridOffset.x;\n vec4 colInfo = getTexel(uSamplerCols, colIndex, uGridImageSize);\n int colStrokeIndex = getInt16(colInfo.xy);\n int colStrokeCount = getInt16(colInfo.zw);\n \n for (int iColStroke = INT(0); iColStroke < N; iColStroke++) {\n if (iColStroke >= colStrokeCount)\n break;\n\n vec4 strokeIndices = getTexel(uSamplerColStrokes, colStrokeIndex++, uCellsImageSize);\n\n int strokePos = getInt16(strokeIndices.xy);\n vec4 stroke0 = getTexel(uSamplerStrokes, strokePos + INT(0), uStrokeImageSize);\n vec4 stroke1 = getTexel(uSamplerStrokes, strokePos + INT(1), uStrokeImageSize);\n coverageY(stroke0.xy, stroke0.zw, stroke1.xy);\n }\n }\n\n weight = saturate(1.0 - weight * 2.0);\n float distance = max(weight.x + weight.y, minDistance); // manhattan approx.\n float antialias = abs(dot(coverage, weight) / distance);\n float cover = min(abs(coverage.x), abs(coverage.y));\n OUT_COLOR = vec4(uMaterialColor.rgb, 1.) * uMaterialColor.a;\n OUT_COLOR *= saturate(max(antialias, cover));\n}\n",lineVert:T+"/*\n Part of the Processing project - http://processing.org\n Copyright (c) 2012-15 The Processing Foundation\n Copyright (c) 2004-12 Ben Fry and Casey Reas\n Copyright (c) 2001-04 Massachusetts Institute of Technology\n This library is free software; you can redistribute it and/or\n modify it under the terms of the GNU Lesser General Public\n License as published by the Free Software Foundation, version 2.1.\n This library is distributed in the hope that it will be useful,\n but WITHOUT ANY WARRANTY; without even the implied warranty of\n MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU\n Lesser General Public License for more details.\n You should have received a copy of the GNU Lesser General\n Public License along with this library; if not, write to the\n Free Software Foundation, Inc., 59 Temple Place, Suite 330,\n Boston, MA 02111-1307 USA\n*/\n\n#define PROCESSING_LINE_SHADER\n\nprecision mediump int;\n\nuniform mat4 uModelViewMatrix;\nuniform mat4 uProjectionMatrix;\nuniform float uStrokeWeight;\n\nuniform bool uUseLineColor;\nuniform vec4 uMaterialColor;\n\nuniform vec4 uViewport;\nuniform int uPerspective;\nuniform int uStrokeJoin;\n\nIN vec4 aPosition;\nIN vec3 aTangentIn;\nIN vec3 aTangentOut;\nIN float aSide;\nIN vec4 aVertexColor;\n\nOUT vec4 vColor;\nOUT vec2 vTangent;\nOUT vec2 vCenter;\nOUT vec2 vPosition;\nOUT float vMaxDist;\nOUT float vCap;\nOUT float vJoin;\n\nvec2 lineIntersection(vec2 aPoint, vec2 aDir, vec2 bPoint, vec2 bDir) {\n // Rotate and translate so a starts at the origin and goes out to the right\n bPoint -= aPoint;\n vec2 rotatedBFrom = vec2(\n bPoint.x*aDir.x + bPoint.y*aDir.y,\n bPoint.y*aDir.x - bPoint.x*aDir.y\n );\n vec2 bTo = bPoint + bDir;\n vec2 rotatedBTo = vec2(\n bTo.x*aDir.x + bTo.y*aDir.y,\n bTo.y*aDir.x - bTo.x*aDir.y\n );\n float intersectionDistance =\n rotatedBTo.x + (rotatedBFrom.x - rotatedBTo.x) * rotatedBTo.y /\n (rotatedBTo.y - rotatedBFrom.y);\n return aPoint + aDir * intersectionDistance;\n}\n\nvoid main() {\n // Caps have one of either the in or out tangent set to 0\n vCap = (aTangentIn == vec3(0.)) != (aTangentOut == (vec3(0.)))\n ? 1. : 0.;\n\n // Joins have two unique, defined tangents\n vJoin = (\n aTangentIn != vec3(0.) &&\n aTangentOut != vec3(0.) &&\n aTangentIn != aTangentOut\n ) ? 1. : 0.;\n\n vec4 posp = uModelViewMatrix * aPosition;\n vec4 posqIn = uModelViewMatrix * (aPosition + vec4(aTangentIn, 0));\n vec4 posqOut = uModelViewMatrix * (aPosition + vec4(aTangentOut, 0));\n\n float facingCamera = pow(\n // The word space tangent's z value is 0 if it's facing the camera\n abs(normalize(posqIn-posp).z),\n\n // Using pow() here to ramp `facingCamera` up from 0 to 1 really quickly\n // so most lines get scaled and don't get clipped\n 0.25\n );\n\n // using a scale <1 moves the lines towards the camera\n // in order to prevent popping effects due to half of\n // the line disappearing behind the geometry faces.\n float scale = mix(1., 0.995, facingCamera);\n\n // Moving vertices slightly toward the camera\n // to avoid depth-fighting with the fill triangles.\n // Discussed here:\n // http://www.opengl.org/discussion_boards/ubbthreads.php?ubb=showflat&Number=252848 \n posp.xyz = posp.xyz * scale;\n posqIn.xyz = posqIn.xyz * scale;\n posqOut.xyz = posqOut.xyz * scale;\n\n vec4 p = uProjectionMatrix * posp;\n vec4 qIn = uProjectionMatrix * posqIn;\n vec4 qOut = uProjectionMatrix * posqOut;\n vCenter = p.xy;\n\n // formula to convert from clip space (range -1..1) to screen space (range 0..[width or height])\n // screen_p = (p.xy/p.w + <1,1>) * 0.5 * uViewport.zw\n\n // prevent division by W by transforming the tangent formula (div by 0 causes\n // the line to disappear, see https://github.com/processing/processing/issues/5183)\n // t = screen_q - screen_p\n //\n // tangent is normalized and we don't care which aDirection it points to (+-)\n // t = +- normalize( screen_q - screen_p )\n // t = +- normalize( (q.xy/q.w+<1,1>)*0.5*uViewport.zw - (p.xy/p.w+<1,1>)*0.5*uViewport.zw )\n //\n // extract common factor, <1,1> - <1,1> cancels out\n // t = +- normalize( (q.xy/q.w - p.xy/p.w) * 0.5 * uViewport.zw )\n //\n // convert to common divisor\n // t = +- normalize( ((q.xy*p.w - p.xy*q.w) / (p.w*q.w)) * 0.5 * uViewport.zw )\n //\n // remove the common scalar divisor/factor, not needed due to normalize and +-\n // (keep uViewport - can't remove because it has different components for x and y\n // and corrects for aspect ratio, see https://github.com/processing/processing/issues/5181)\n // t = +- normalize( (q.xy*p.w - p.xy*q.w) * uViewport.zw )\n\n vec2 tangentIn = normalize((qIn.xy*p.w - p.xy*qIn.w) * uViewport.zw);\n vec2 tangentOut = normalize((qOut.xy*p.w - p.xy*qOut.w) * uViewport.zw);\n\n vec2 curPerspScale;\n if(uPerspective == 1) {\n // Perspective ---\n // convert from world to clip by multiplying with projection scaling factor\n // to get the right thickness (see https://github.com/processing/processing/issues/5182)\n\n // The y value of the projection matrix may be flipped if rendering to a Framebuffer.\n // Multiplying again by its sign here negates the flip to get just the scale.\n curPerspScale = (uProjectionMatrix * vec4(1, sign(uProjectionMatrix[1][1]), 0, 0)).xy;\n } else {\n // No Perspective ---\n // multiply by W (to cancel out division by W later in the pipeline) and\n // convert from screen to clip (derived from clip to screen above)\n curPerspScale = p.w / (0.5 * uViewport.zw);\n }\n\n vec2 offset;\n if (vJoin == 1.) {\n vTangent = normalize(tangentIn + tangentOut);\n vec2 normalIn = vec2(-tangentIn.y, tangentIn.x);\n vec2 normalOut = vec2(-tangentOut.y, tangentOut.x);\n float side = sign(aSide);\n float sideEnum = abs(aSide);\n\n // We generate vertices for joins on either side of the centerline, but\n // the \"elbow\" side is the only one needing a join. By not setting the\n // offset for the other side, all its vertices will end up in the same\n // spot and not render, effectively discarding it.\n if (sign(dot(tangentOut, vec2(-tangentIn.y, tangentIn.x))) != side) {\n // Side enums:\n // 1: the side going into the join\n // 2: the middle of the join\n // 3: the side going out of the join\n if (sideEnum == 2.) {\n // Calculate the position + tangent on either side of the join, and\n // find where the lines intersect to find the elbow of the join\n vec2 c = (posp.xy/posp.w + vec2(1.,1.)) * 0.5 * uViewport.zw;\n vec2 intersection = lineIntersection(\n c + (side * normalIn * uStrokeWeight / 2.),\n tangentIn,\n c + (side * normalOut * uStrokeWeight / 2.),\n tangentOut\n );\n offset = (intersection - c);\n\n // When lines are thick and the angle of the join approaches 180, the\n // elbow might be really far from the center. We'll apply a limit to\n // the magnitude to avoid lines going across the whole screen when this\n // happens.\n float mag = length(offset);\n float maxMag = 3. * uStrokeWeight;\n if (mag > maxMag) {\n offset *= maxMag / mag;\n }\n } else if (sideEnum == 1.) {\n offset = side * normalIn * uStrokeWeight / 2.;\n } else if (sideEnum == 3.) {\n offset = side * normalOut * uStrokeWeight / 2.;\n }\n }\n if (uStrokeJoin == STROKE_JOIN_BEVEL) {\n vec2 avgNormal = vec2(-vTangent.y, vTangent.x);\n vMaxDist = abs(dot(avgNormal, normalIn * uStrokeWeight / 2.));\n } else {\n vMaxDist = uStrokeWeight / 2.;\n }\n } else {\n vec2 tangent = aTangentIn == vec3(0.) ? tangentOut : tangentIn;\n vTangent = tangent;\n vec2 normal = vec2(-tangent.y, tangent.x);\n\n float normalOffset = sign(aSide);\n // Caps will have side values of -2 or 2 on the edge of the cap that\n // extends out from the line\n float tangentOffset = abs(aSide) - 1.;\n offset = (normal * normalOffset + tangent * tangentOffset) *\n uStrokeWeight * 0.5;\n vMaxDist = uStrokeWeight / 2.;\n }\n vPosition = vCenter + offset;\n\n gl_Position.xy = p.xy + offset.xy * curPerspScale;\n gl_Position.zw = p.zw;\n \n vColor = (uUseLineColor ? aVertexColor : uMaterialColor);\n}\n",lineFrag:T+"precision mediump int;\n\nuniform vec4 uMaterialColor;\nuniform int uStrokeCap;\nuniform int uStrokeJoin;\nuniform float uStrokeWeight;\n\nIN vec4 vColor;\nIN vec2 vTangent;\nIN vec2 vCenter;\nIN vec2 vPosition;\nIN float vMaxDist;\nIN float vCap;\nIN float vJoin;\n\nfloat distSquared(vec2 a, vec2 b) {\n vec2 aToB = b - a;\n return dot(aToB, aToB);\n}\n\nvoid main() {\n if (vCap > 0.) {\n if (\n uStrokeCap == STROKE_CAP_ROUND &&\n distSquared(vPosition, vCenter) > uStrokeWeight * uStrokeWeight * 0.25\n ) {\n discard;\n } else if (\n uStrokeCap == STROKE_CAP_SQUARE &&\n dot(vPosition - vCenter, vTangent) > 0.\n ) {\n discard;\n }\n // Use full area for PROJECT\n } else if (vJoin > 0.) {\n if (\n uStrokeJoin == STROKE_JOIN_ROUND &&\n distSquared(vPosition, vCenter) > uStrokeWeight * uStrokeWeight * 0.25\n ) {\n discard;\n } else if (uStrokeJoin == STROKE_JOIN_BEVEL) {\n vec2 normal = vec2(-vTangent.y, vTangent.x);\n if (abs(dot(vPosition - vCenter, normal)) > vMaxDist) {\n discard;\n }\n }\n // Use full area for MITER\n }\n OUT_COLOR = vec4(vColor.rgb, 1.) * vColor.a;\n}\n",pointVert:"IN vec3 aPosition;\nuniform float uPointSize;\nOUT float vStrokeWeight;\nuniform mat4 uModelViewMatrix;\nuniform mat4 uProjectionMatrix;\nvoid main() {\n\tvec4 positionVec4 = vec4(aPosition, 1.0);\n\tgl_Position = uProjectionMatrix * uModelViewMatrix * positionVec4;\n\tgl_PointSize = uPointSize;\n\tvStrokeWeight = uPointSize;\n}\n",pointFrag:"precision mediump int;\nuniform vec4 uMaterialColor;\nIN float vStrokeWeight;\n\nvoid main(){\n float mask = 0.0;\n\n // make a circular mask using the gl_PointCoord (goes from 0 - 1 on a point)\n // might be able to get a nicer edge on big strokeweights with smoothstep but slightly less performant\n\n mask = step(0.98, length(gl_PointCoord * 2.0 - 1.0));\n\n // if strokeWeight is 1 or less lets just draw a square\n // this prevents weird artifacting from carving circles when our points are really small\n // if strokeWeight is larger than 1, we just use it as is\n\n mask = mix(0.0, mask, clamp(floor(vStrokeWeight - 0.5),0.0,1.0));\n\n // throw away the borders of the mask\n // otherwise we get weird alpha blending issues\n\n if(mask > 0.98){\n discard;\n }\n\n OUT_COLOR = vec4(uMaterialColor.rgb, 1.) * uMaterialColor.a;\n}\n",imageLightVert:"precision highp float;\nattribute vec3 aPosition;\nattribute vec3 aNormal;\nattribute vec2 aTexCoord;\n\nvarying vec3 localPos;\nvarying vec3 vWorldNormal;\nvarying vec3 vWorldPosition;\nvarying vec2 vTexCoord;\n\nuniform mat4 uModelViewMatrix;\nuniform mat4 uProjectionMatrix;\nuniform mat3 uNormalMatrix;\n\nvoid main() {\n // Multiply the position by the matrix.\n vec4 viewModelPosition = uModelViewMatrix * vec4(aPosition, 1.0);\n gl_Position = uProjectionMatrix * viewModelPosition; \n \n // orient the normals and pass to the fragment shader\n vWorldNormal = uNormalMatrix * aNormal;\n \n // send the view position to the fragment shader\n vWorldPosition = (uModelViewMatrix * vec4(aPosition, 1.0)).xyz;\n \n localPos = vWorldPosition;\n vTexCoord = aTexCoord;\n}\n\n\n/*\nin the vertex shader we'll compute the world position and world oriented normal of the vertices and pass those to the fragment shader as varyings.\n*/\n",imageLightDiffusedFrag:"precision highp float;\nvarying vec3 localPos;\n\n// the HDR cubemap converted (can be from an equirectangular environment map.)\nuniform sampler2D environmentMap;\nvarying vec2 vTexCoord;\n\nconst float PI = 3.14159265359;\n\nvec2 nTOE( vec3 v ){\n // x = r sin(phi) cos(theta) \n // y = r cos(phi) \n // z = r sin(phi) sin(theta)\n float phi = acos( v.y );\n // if phi is 0, then there are no x, z components\n float theta = 0.0;\n // else \n theta = acos(v.x / sin(phi));\n float sinTheta = v.z / sin(phi);\n if (sinTheta < 0.0) {\n // Turn it into -theta, but in the 0-2PI range\n theta = 2.0 * PI - theta;\n }\n theta = theta / (2.0 * 3.14159);\n phi = phi / 3.14159 ;\n \n vec2 angles = vec2( phi, theta );\n return angles;\n}\n\nvoid main()\n{ \t \n\t// the sample direction equals the hemisphere's orientation\n float phi = vTexCoord.x * 2.0 * PI;\n float theta = vTexCoord.y * PI;\n float x = sin(theta) * cos(phi);\n float y = sin(theta) * sin(phi);\n float z = cos(theta);\n vec3 normal = vec3( x, y, z);\n\n\t// Discretely sampling the hemisphere given the integral's\n // spherical coordinates translates to the following fragment code:\n\tvec3 irradiance = vec3(0.0); \n\tvec3 up\t= vec3(0.0, 1.0, 0.0);\n\tvec3 right = normalize(cross(up, normal));\n\tup = normalize(cross(normal, right));\n\n\t// We specify a fixed sampleDelta delta value to traverse\n // the hemisphere; decreasing or increasing the sample delta\n // will increase or decrease the accuracy respectively.\n\tconst float sampleDelta = 0.025;\n\tfloat nrSamples = 0.0;\n \n\tfor(float phi = 0.0; phi < 2.0 * PI; phi += sampleDelta)\n\t{\n for(float theta = 0.0; theta < ( 0.5 ) * PI; theta += sampleDelta)\n {\n // spherical to cartesian (in tangent space) // tangent space to world // add each sample result to irradiance\n float x = sin(theta) * cos(phi);\n float y = sin(theta) * sin(phi);\n float z = cos(theta);\n vec3 tangentSample = vec3( x, y, z);\n \n vec3 sampleVec = tangentSample.x * right + tangentSample.y * up + tangentSample.z * normal;\n irradiance += (texture2D(environmentMap, nTOE(sampleVec)).xyz) * cos(theta) * sin(theta);\n nrSamples++;\n }\n\t}\n\t// divide by the total number of samples taken, giving us the average sampled irradiance.\n\tirradiance = PI * irradiance * (1.0 / float(nrSamples )) ;\n \n \n\tgl_FragColor = vec4(irradiance, 1.0);\n}",imageLightSpecularFrag:"precision highp float;\r\nvarying vec3 localPos;\r\nvarying vec2 vTexCoord;\r\n\r\n// our texture\r\nuniform sampler2D environmentMap;\r\nuniform float roughness;\r\n\r\nconst float PI = 3.14159265359;\r\n\r\nfloat VanDerCorput(int bits);\r\nvec2 HammersleyNoBitOps(int i, int N);\r\nvec3 ImportanceSampleGGX(vec2 Xi, vec3 N, float roughness);\r\n\r\n\r\nvec2 nTOE( vec3 v ){\r\n // x = r sin(phi) cos(theta) \r\n // y = r cos(phi) \r\n // z = r sin(phi) sin(theta)\r\n float phi = acos( v.y );\r\n // if phi is 0, then there are no x, z components\r\n float theta = 0.0;\r\n // else \r\n theta = acos(v.x / sin(phi));\r\n float sinTheta = v.z / sin(phi);\r\n if (sinTheta < 0.0) {\r\n // Turn it into -theta, but in the 0-2PI range\r\n theta = 2.0 * PI - theta;\r\n }\r\n theta = theta / (2.0 * 3.14159);\r\n phi = phi / 3.14159 ;\r\n \r\n vec2 angles = vec2( phi, theta );\r\n return angles;\r\n}\r\n\r\n\r\nvoid main(){\r\n const int SAMPLE_COUNT = 1024; // 4096\r\n float totalWeight = 0.0;\r\n vec3 prefilteredColor = vec3(0.0);\r\n float phi = vTexCoord.x * 2.0 * PI;\r\n float theta = vTexCoord.y * PI;\r\n float x = sin(theta) * cos(phi);\r\n float y = sin(theta) * sin(phi);\r\n float z = cos(theta);\r\n vec3 N = vec3(x,y,z);\r\n vec3 V = N;\r\n for (int i = 0; i < SAMPLE_COUNT; ++i)\r\n {\r\n vec2 Xi = HammersleyNoBitOps(i, SAMPLE_COUNT);\r\n vec3 H = ImportanceSampleGGX(Xi, N, roughness);\r\n vec3 L = normalize(2.0 * dot(V, H) * H - V);\r\n\r\n float NdotL = max(dot(N, L), 0.0);\r\n if (NdotL > 0.0)\r\n {\r\n prefilteredColor += texture2D(environmentMap, nTOE(L)).xyz * NdotL;\r\n totalWeight += NdotL;\r\n }\r\n }\r\n prefilteredColor = prefilteredColor / totalWeight;\r\n\r\n gl_FragColor = vec4(prefilteredColor, 1.0);\r\n}\r\n\r\nvec3 ImportanceSampleGGX(vec2 Xi, vec3 N, float roughness){\r\n float a = roughness * roughness;\r\n\r\n float phi = 2.0 * PI * Xi.x;\r\n float cosTheta = sqrt((1.0 - Xi.y) / (1.0 + (a * a - 1.0) * Xi.y));\r\n float sinTheta = sqrt(1.0 - cosTheta * cosTheta);\r\n // from spherical coordinates to cartesian coordinates\r\n vec3 H;\r\n H.x = cos(phi) * sinTheta;\r\n H.y = sin(phi) * sinTheta;\r\n H.z = cosTheta;\r\n\r\n // from tangent-space vector to world-space sample vector\r\n vec3 up = abs(N.z) < 0.999 ? vec3(0.0, 0.0, 1.0) : vec3(1.0, 0.0, 0.0);\r\n vec3 tangent = normalize(cross(up, N));\r\n vec3 bitangent = cross(N, tangent);\r\n\r\n vec3 sampleVec = tangent * H.x + bitangent * H.y + N * H.z;\r\n return normalize(sampleVec);\r\n}\r\n\r\n\r\nfloat VanDerCorput(int n, int base)\r\n{\r\n float invBase = 1.0 / float(base);\r\n float denom = 1.0;\r\n float result = 0.0;\r\n\r\n for (int i = 0; i < 32; ++i)\r\n {\r\n\tif (n > 0)\r\n\t{\r\n \tdenom = mod(float(n), 2.0);\r\n \tresult += denom * invBase;\r\n \tinvBase = invBase / 2.0;\r\n \tn = int(float(n) / 2.0);\r\n\t}\r\n }\r\n\r\n return result;\r\n}\r\n\r\nvec2 HammersleyNoBitOps(int i, int N)\r\n{\r\n return vec2(float(i) / float(N), VanDerCorput(i, 2));\r\n}\r\n"};for(x in M)M[x]="#ifdef WEBGL2\n\n#define IN in\n#define OUT out\n\n#ifdef FRAGMENT_SHADER\nout vec4 outColor;\n#define OUT_COLOR outColor\n#endif\n#define TEXTURE texture\n\n#else\n\n#ifdef FRAGMENT_SHADER\n#define IN varying\n#else\n#define IN attribute\n#endif\n#define OUT varying\n#define TEXTURE texture2D\n\n#ifdef FRAGMENT_SHADER\n#define OUT_COLOR gl_FragColor\n#endif\n\n#endif\n"+M[x];j(e={},l.GRAY,"precision highp float;\n\nvarying vec2 vTexCoord;\n\nuniform sampler2D tex0;\n\nfloat luma(vec3 color) {\n // weighted grayscale with luminance values\n return dot(color, vec3(0.2126, 0.7152, 0.0722));\n}\n\nvoid main() {\n vec4 tex = texture2D(tex0, vTexCoord);\n float gray = luma(tex.rgb);\n gl_FragColor = vec4(gray, gray, gray, tex.a);\n}\n"),j(e,l.ERODE,"// Reduces the bright areas in an image\n\nprecision highp float;\n\nvarying vec2 vTexCoord;\n\nuniform sampler2D tex0;\nuniform vec2 texelSize;\n\nfloat luma(vec3 color) {\n // weighted grayscale with luminance values\n // weights 77, 151, 28 taken from src/image/filters.js\n return dot(color, vec3(0.300781, 0.589844, 0.109375));\n}\n\nvoid main() {\n vec4 color = texture2D(tex0, vTexCoord);\n float lum = luma(color.rgb);\n\n // set current color as the darkest neighbor color\n\n vec4 neighbors[4];\n neighbors[0] = texture2D(tex0, vTexCoord + vec2( texelSize.x, 0.0));\n neighbors[1] = texture2D(tex0, vTexCoord + vec2(-texelSize.x, 0.0));\n neighbors[2] = texture2D(tex0, vTexCoord + vec2(0.0, texelSize.y));\n neighbors[3] = texture2D(tex0, vTexCoord + vec2(0.0, -texelSize.y));\n\n for (int i = 0; i < 4; i++) {\n vec4 neighborColor = neighbors[i];\n float neighborLum = luma(neighborColor.rgb);\n\n if (neighborLum < lum) {\n color = neighborColor;\n lum = neighborLum;\n }\n }\n\n gl_FragColor = color;\n}\n"),j(e,l.DILATE,"// Increase the bright areas in an image\n\nprecision highp float;\n\nvarying vec2 vTexCoord;\n\nuniform sampler2D tex0;\nuniform vec2 texelSize;\n\nfloat luma(vec3 color) {\n // weighted grayscale with luminance values\n // weights 77, 151, 28 taken from src/image/filters.js\n return dot(color, vec3(0.300781, 0.589844, 0.109375));\n}\n\nvoid main() {\n vec4 color = texture2D(tex0, vTexCoord);\n float lum = luma(color.rgb);\n\n // set current color as the brightest neighbor color\n\n vec4 neighbors[4];\n neighbors[0] = texture2D(tex0, vTexCoord + vec2( texelSize.x, 0.0));\n neighbors[1] = texture2D(tex0, vTexCoord + vec2(-texelSize.x, 0.0));\n neighbors[2] = texture2D(tex0, vTexCoord + vec2(0.0, texelSize.y));\n neighbors[3] = texture2D(tex0, vTexCoord + vec2(0.0, -texelSize.y));\n\n for (int i = 0; i < 4; i++) {\n vec4 neighborColor = neighbors[i];\n float neighborLum = luma(neighborColor.rgb);\n\n if (neighborLum > lum) {\n color = neighborColor;\n lum = neighborLum;\n }\n }\n\n gl_FragColor = color;\n}\n"),j(e,l.BLUR,"precision highp float;\n\n// Two-pass blur filter, unweighted kernel.\n// See also a similar blur at Adam Ferriss' repo of shader examples:\n// https://github.com/aferriss/p5jsShaderExamples/blob/gh-pages/4_image-effects/4-9_single-pass-blur/effect.frag\n\n\nuniform sampler2D tex0;\nvarying vec2 vTexCoord;\nuniform vec2 direction;\nuniform vec2 canvasSize;\nuniform float radius;\n\nfloat random(vec2 p) {\n vec3 p3 = fract(vec3(p.xyx) * .1031);\n p3 += dot(p3, p3.yzx + 33.33);\n return fract((p3.x + p3.y) * p3.z);\n}\n\n// This isn't a real Gaussian weight, it's a quadratic weight. It's what the\n// CPU mode's blur uses though, so we also use it here to match.\nfloat quadWeight(float x, float e) {\n return pow(e-abs(x), 2.);\n}\n\nvoid main(){\n vec2 uv = vTexCoord;\n\n // A reasonable maximum number of samples\n const float maxSamples = 64.0;\n\n float numSamples = floor(7. * radius);\n if (fract(numSamples / 2.) == 0.) {\n numSamples++;\n }\n vec4 avg = vec4(0.0);\n float total = 0.0;\n\n // Calculate the spacing to avoid skewing if numSamples > maxSamples\n float spacing = 1.0;\n if (numSamples > maxSamples) {\n spacing = numSamples / maxSamples;\n numSamples = maxSamples;\n }\n\n float randomOffset = (spacing - 1.0) * mix(-0.5, 0.5, random(gl_FragCoord.xy));\n for (float i = 0.0; i < maxSamples; i++) {\n if (i >= numSamples) break;\n\n float sample = i * spacing - (numSamples - 1.0) * 0.5 * spacing + randomOffset;\n vec2 sampleCoord = uv + vec2(sample, sample) / canvasSize * direction;\n float weight = quadWeight(sample, (numSamples - 1.0) * 0.5 * spacing);\n\n avg += weight * texture2D(tex0, sampleCoord);\n total += weight;\n }\n\n avg /= total;\n gl_FragColor = avg;\n}\n"),j(e,l.POSTERIZE,"// Limit color space for a stylized cartoon / poster effect\n\nprecision highp float;\n\nvarying vec2 vTexCoord;\n\nuniform sampler2D tex0;\nuniform float filterParameter;\n\nvec3 quantize(vec3 color, float n) {\n // restrict values to N options/bins\n // and floor each channel to nearest value\n //\n // eg. when N = 5, values = 0.0, 0.25, 0.50, 0.75, 1.0\n // then quantize (0.1, 0.7, 0.9) -> (0.0, 0.5, 1.0)\n\n color = color * n;\n color = floor(color);\n color = color / (n - 1.0);\n return color;\n}\n\nvoid main() {\n vec4 color = texture2D(tex0, vTexCoord);\n\n vec3 restrictedColor = quantize(color.rgb / color.a, filterParameter);\n\n gl_FragColor = vec4(restrictedColor.rgb * color.a, color.a);\n}\n"),j(e,l.OPAQUE,"// Set alpha channel to entirely opaque\n\nprecision highp float;\n\nvarying vec2 vTexCoord;\n\nuniform sampler2D tex0;\n\nvoid main() {\n vec4 color = texture2D(tex0, vTexCoord);\n gl_FragColor = vec4(color.rgb / color.a, 1.0);\n}\n"),j(e,l.INVERT,"// Set each pixel to inverse value\n// Note that original INVERT does not change the opacity, so this follows suit\n\nprecision highp float;\n\nvarying vec2 vTexCoord;\n\nuniform sampler2D tex0;\n\nvoid main() {\nvec4 color = texture2D(tex0, vTexCoord);\nvec3 origColor = color.rgb / color.a;\nvec3 invertedColor = vec3(1.0) - origColor;\ngl_FragColor = vec4(invertedColor * color.a, color.a);\n}\n"),j(e,l.THRESHOLD,"// Convert pixels to either white or black, \n// depending on if their luma is above or below filterParameter\n\nprecision highp float;\n\nvarying vec2 vTexCoord;\n\nuniform sampler2D tex0;\nuniform float filterParameter;\n\nfloat luma(vec3 color) {\n // weighted grayscale with luminance values\n return dot(color, vec3(0.2126, 0.7152, 0.0722));\n}\n\nvoid main() {\n vec4 color = texture2D(tex0, vTexCoord);\n float gray = luma(color.rgb / color.a);\n // floor() used to match src/image/filters.js\n float threshold = floor(filterParameter * 255.0) / 255.0;\n float blackOrWhite = step(threshold, gray);\n gl_FragColor = vec4(vec3(blackOrWhite) * color.a, color.a);\n}\n");var E=e;function k(e,t,r,o,n,s,i,a,l,u){var c=t.getParameter(t.FRAMEBUFFER_BINDING),r=(t.bindFramebuffer(t.FRAMEBUFFER,r),a===t.RGBA?4:3),d=s*i*r,h=l===t.UNSIGNED_BYTE?Uint8Array:Float32Array;if(e instanceof h&&e.length===d||(e=new h(d)),t.readPixels(o,u?u-n-i:n,s,i,a,l,e),t.bindFramebuffer(t.FRAMEBUFFER,c),u)for(var f=Math.floor(i/2),p=new h(s*r),m=0;m>7,127&d,c>>7,127&c);for(var h=0;h>7,127&f,0,0)}}return{cellImageInfo:a,dimOffset:t,dimImageInfo:n}}}}]),t}();B.default.RendererGL.prototype._renderText=function(e,t,r,o,n){if(this._textFont&&"string"!=typeof this._textFont){if(!(n<=o)&&this._doFill){if(this._isOpenType()){e.push();var n=this._doStroke,s=this.drawMode,i=(this._doStroke=!1,this.drawMode=M.TEXTURE,this._textFont.font),a=(a=this._textFont._fontInfo)||(this._textFont._fontInfo=new E(i)),r=this._textFont._handleAlignment(this,t,r,o),o=this._textSize/i.unitsPerEm,l=(this.translate(r.x,r.y,0),this.scale(o,o,1),this.GL),r=!this._defaultFontShader,u=this._getFontShader(),c=(u.init(),u.bindShader(),r&&(u.setUniform("uGridImageSize",[64,64]),u.setUniform("uCellsImageSize",[64,64]),u.setUniform("uStrokeImageSize",[64,64]),u.setUniform("uGridSize",[9,9])),this._applyColorBlend(this.curFillColor),this.retainedMode.geometry.glyph),d=(c||((o=this._textGeom=new B.default.Geometry(1,1,function(){for(var e=0;e<=1;e++)for(var t=0;t<=1;t++)this.vertices.push(new B.default.Vector(t,e,0)),this.uvs.push(t,e)})).computeFaces().computeNormals(),c=this.createBuffers("glyph",o)),!0),r=!1,o=void 0;try{for(var h,f=this.retainedMode.buffers.text[Symbol.iterator]();!(d=(h=f.next()).done);d=!0)h.value._prepareBuffer(c,u)}catch(e){r=!0,o=e}finally{try{d||null==f.return||f.return()}finally{if(r)throw o}}this._bindBuffer(c.indexBuffer,l.ELEMENT_ARRAY_BUFFER),u.setUniform("uMaterialColor",this.curFillColor),l.pixelStorei(l.UNPACK_PREMULTIPLY_ALPHA_WEBGL,!1);try{var p=0,m=null,y=i.stringToGlyphs(t),g=!0,v=!1,b=void 0;try{for(var j,_=y[Symbol.iterator]();!(g=(j=_.next()).done);g=!0){var x,w,S=j.value,T=(m&&(p+=i.getKerningValue(m,S)),a.getGlyphInfo(S));T.uGlyphRect&&(x=T.rowInfo,w=T.colInfo,u.setUniform("uSamplerStrokes",T.strokeImageInfo.imageData),u.setUniform("uSamplerRowStrokes",x.cellImageInfo.imageData),u.setUniform("uSamplerRows",x.dimImageInfo.imageData),u.setUniform("uSamplerColStrokes",w.cellImageInfo.imageData),u.setUniform("uSamplerCols",w.dimImageInfo.imageData),u.setUniform("uGridOffset",T.uGridOffset),u.setUniform("uGlyphRect",T.uGlyphRect),u.setUniform("uGlyphOffset",p),u.bindTextures(),l.drawElements(l.TRIANGLES,6,this.GL.UNSIGNED_SHORT,0)),p+=S.advanceWidth,m=S}}catch(e){v=!0,b=e}finally{try{g||null==_.return||_.return()}finally{if(v)throw b}}}finally{u.unbindShader(),this._doStroke=n,this.drawMode=s,l.pixelStorei(l.UNPACK_PREMULTIPLY_ALPHA_WEBGL,!0),e.pop()}}else console.log("WEBGL: only Opentype (.otf) and Truetype (.ttf) fonts are supported");return e}}else console.log("WEBGL: you must load and set a font before drawing text. 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                                                                                                '))),this._accessibleOutputs[r]={},"textOutput"===e?(i="#".concat(s,"gridOutput").concat(i),n='
                                                                                                Text Output

                                                                                                  '),this.dummyDOM.querySelector(i)?this.dummyDOM.querySelector(i).insertAdjacentHTML("beforebegin",n):this.dummyDOM.querySelector("#".concat(o)).innerHTML=n,this._accessibleOutputs[r].list=this.dummyDOM.querySelector("#".concat(r,"_list"))):"gridOutput"===e&&(i="#".concat(s,"textOutput").concat(i),n='
                                                                                                  Grid Output

                                                                                                    '),this.dummyDOM.querySelector(i)?this.dummyDOM.querySelector(i).insertAdjacentHTML("afterend",n):this.dummyDOM.querySelector("#".concat(o)).innerHTML=n,this._accessibleOutputs[r].map=this.dummyDOM.querySelector("#".concat(r,"_map"))),this._accessibleOutputs[r].shapeDetails=this.dummyDOM.querySelector("#".concat(r,"_shapeDetails")),this._accessibleOutputs[r].summary=this.dummyDOM.querySelector("#".concat(r,"_summary"))},o.default.prototype._updateAccsOutput=function(){var e=this.canvas.id;JSON.stringify(this.ingredients.shapes)===this.ingredients.pShapes&&this.ingredients.colors.background===this.ingredients.pBackground||(this.ingredients.pShapes=JSON.stringify(this.ingredients.shapes),this._accessibleOutputs.text&&this._updateTextOutput(e+"textOutput"),this._accessibleOutputs.grid&&this._updateGridOutput(e+"gridOutput"),this._accessibleOutputs.textLabel&&this._updateTextOutput(e+"textOutputLabel"),this._accessibleOutputs.gridLabel&&this._updateGridOutput(e+"gridOutputLabel"))},o.default.prototype._accsBackground=function(e){this.ingredients.pShapes=JSON.stringify(this.ingredients.shapes),this.ingredients.pBackground=this.ingredients.colors.background,this.ingredients.shapes={},this.ingredients.colors.backgroundRGBA!==e&&(this.ingredients.colors.backgroundRGBA=e,this.ingredients.colors.background=this._rgbColorName(e))},o.default.prototype._accsCanvasColors=function(e,t){"fill"===e?this.ingredients.colors.fillRGBA!==t&&(this.ingredients.colors.fillRGBA=t,this.ingredients.colors.fill=this._rgbColorName(t)):"stroke"===e&&this.ingredients.colors.strokeRGBA!==t&&(this.ingredients.colors.strokeRGBA=t,this.ingredients.colors.stroke=this._rgbColorName(t))},o.default.prototype._accsOutput=function(e,t){"ellipse"===e&&t[2]===t[3]?e="circle":"rectangle"===e&&t[2]===t[3]&&(e="square");var r,o,n={},s=!0,i=function(e,t){var r;e="rectangle"===e||"ellipse"===e||"arc"===e||"circle"===e||"square"===e?(r=Math.round(t[0]+t[2]/2),Math.round(t[1]+t[3]/2)):"triangle"===e?(r=(t[0]+t[2]+t[4])/3,(t[1]+t[3]+t[5])/3):"quadrilateral"===e?(r=(t[0]+t[2]+t[4]+t[6])/4,(t[1]+t[3]+t[5]+t[7])/4):"line"===e?(r=(t[0]+t[2])/2,(t[1]+t[3])/2):(r=t[0],t[1]);return[r,e]}(e,t);if("line"===e?(n.color=this.ingredients.colors.stroke,n.length=Math.round(this.dist(t[0],t[1],t[2],t[3])),r=this._getPos(t[0],[1]),o=this._getPos(t[2],[3]),n.loc=u(i,this.width,this.height),n.pos=r===o?"at ".concat(r):"from ".concat(r," to ").concat(o)):("point"===e?n.color=this.ingredients.colors.stroke:(n.color=this.ingredients.colors.fill,n.area=this._getArea(e,t)),n.pos=this._getPos.apply(this,l(i)),n.loc=u(i,this.width,this.height)),this.ingredients.shapes[e]){if(this.ingredients.shapes[e]!==[n]){for(var a in this.ingredients.shapes[e])JSON.stringify(this.ingredients.shapes[e][a])===JSON.stringify(n)&&(s=!1);!0===s&&this.ingredients.shapes[e].push(n)}}else this.ingredients.shapes[e]=[n]},o.default.prototype._getPos=function(e,t){var e=new DOMPointReadOnly(e,t),t=this._renderer.isP3D?new DOMMatrix(this._renderer.uMVMatrix.mat4):this.drawingContext.getTransform(),e=e.matrixTransform(t),t=e.x,e=e.y,r=this.width*this._pixelDensity,o=this.height*this._pixelDensity;return t<.4*r?e<.4*o?"top left":.6*oMath.PI?n+=o:n-=o)):"ellipse"===e||"circle"===e?n=3.14*t[2]/2*t[3]/2:"line"===e||"point"===e?n=0:"quadrilateral"===e?n=Math.abs((t[6]+t[0])*(t[7]-t[1])+(t[0]+t[2])*(t[1]-t[3])+(t[2]+t[4])*(t[3]-t[5])+(t[4]+t[6])*(t[5]-t[7]))/2:"rectangle"===e||"square"===e?n=t[2]*t[3]:"triangle"===e&&(n=Math.abs(t[0]*(t[3]-t[5])+t[2]*(t[5]-t[1])+t[4]*(t[1]-t[3]))/2),this.width*this._pixelDensity),i=this.height*this._pixelDensity,a=[new DOMPoint(0,0),new DOMPoint(s,0),new DOMPoint(s,i),new 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strict";e("core-js/modules/es.array.concat"),e("core-js/modules/es.array.concat"),Object.defineProperty(r,"__esModule",{value:!0}),r.default=void 0;e=(e=e("../core/main"))&&e.__esModule?e:{default:e};e.default.prototype._updateTextOutput=function(e){var t,r,o,n;this.dummyDOM.querySelector("#".concat(e,"_summary"))&&(t=this._accessibleOutputs[e],o=function(e,t,r,o){r="Your output is a, ".concat(r," by ").concat(o," pixels, ").concat(t," canvas containing the following");r=1===e?"".concat(r," shape:"):"".concat(r," ").concat(e," shapes:");return r}((r=function(e,t){var r,o="",n=0;for(r in t)for(var s in t[r]){var i='
                                                                                                  • ').concat(t[r][s].color," ").concat(r,"");"line"===r?i+=", ".concat(t[r][s].pos,", ").concat(t[r][s].length," pixels long.
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o}(e,this.ingredients.shapes),o!==t.summary.innerHTML&&(t.summary.innerHTML=o),r.listShapes!==t.list.innerHTML&&(t.list.innerHTML=r.listShapes),n!==t.shapeDetails.innerHTML&&(t.shapeDetails.innerHTML=n),this._accessibleOutputs[e]=t)};e=e.default;r.default=e},{"../core/main":283,"core-js/modules/es.array.concat":153}],267:[function(e,t,r){"use strict";var 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s;Object.prototype.hasOwnProperty.call(e,r)&&((s=n?Object.getOwnPropertyDescriptor(e,r):null)&&(s.get||s.set)?Object.defineProperty(o,r,s):o[r]=e[r])}o.default=e,t&&t.set(e,o);return o}(e("../core/constants"));function a(){var e;return"function"!=typeof WeakMap?null:(e=new WeakMap,a=function(){return e},e)}e("./p5.Color"),e("../core/friendly_errors/validate_params"),e("../core/friendly_errors/file_errors"),e("../core/friendly_errors/fes_core"),l.default.prototype.alpha=function(e){return l.default._validateParameters("alpha",arguments),this.color(e)._getAlpha()},l.default.prototype.blue=function(e){return l.default._validateParameters("blue",arguments),this.color(e)._getBlue()},l.default.prototype.brightness=function(e){return l.default._validateParameters("brightness",arguments),this.color(e)._getBrightness()},l.default.prototype.color=function(){for(var e,t=arguments.length,r=new 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curve (after t1)?\n if (y1 ? !y2 : y0) {\n // add the coverage for t1\n coverage.x += saturate(C1.x + 0.5);\n // calculate the anti-aliasing for t1\n weight.x = min(weight.x, abs(C1.x));\n }\n\n // are we outside the curve (after t2)?\n if (y1 ? !y0 : y2) {\n // subtract the coverage for t2\n coverage.x -= saturate(C2.x + 0.5);\n // calculate the anti-aliasing for t2\n weight.x = min(weight.x, abs(C2.x));\n }\n}\n\n// this is essentially the same as coverageX, but with the axes swapped\nvoid coverageY(vec2 p0, vec2 p1, vec2 p2) {\n\n vec2 C1, C2;\n calulateCrossings(p0, p1, p2, C1, C2);\n\n bool x0 = p0.x > vTexCoord.x;\n bool x1 = p1.x > vTexCoord.x;\n bool x2 = p2.x > vTexCoord.x;\n\n if (x1 ? !x2 : x0) {\n coverage.y -= saturate(C1.y + 0.5);\n weight.y = min(weight.y, abs(C1.y));\n }\n\n if (x1 ? !x0 : x2) {\n coverage.y += saturate(C2.y + 0.5);\n weight.y = min(weight.y, abs(C2.y));\n }\n}\n\nvoid main() {\n\n // calculate the pixel scale based on screen-coordinates\n pixelScale = hardness / fwidth(vTexCoord);\n\n // which grid cell is this pixel in?\n ivec2 gridCoord = ifloor(vTexCoord * vec2(uGridSize));\n\n // intersect curves in this row\n {\n // the index into the row info bitmap\n int rowIndex = gridCoord.y + uGridOffset.y;\n // fetch the info texel\n vec4 rowInfo = getTexel(uSamplerRows, rowIndex, uGridImageSize);\n // unpack the rowInfo\n int rowStrokeIndex = getInt16(rowInfo.xy);\n int rowStrokeCount = getInt16(rowInfo.zw);\n\n for (int iRowStroke = INT(0); iRowStroke < N; iRowStroke++) {\n if (iRowStroke >= rowStrokeCount)\n break;\n\n // each stroke is made up of 3 points: the start and control point\n // and the start of the next curve.\n // fetch the indices of this pair of strokes:\n vec4 strokeIndices = getTexel(uSamplerRowStrokes, rowStrokeIndex++, uCellsImageSize);\n\n // unpack the stroke index\n int strokePos = getInt16(strokeIndices.xy);\n\n // fetch the two strokes\n vec4 stroke0 = getTexel(uSamplerStrokes, strokePos + INT(0), uStrokeImageSize);\n vec4 stroke1 = getTexel(uSamplerStrokes, strokePos + INT(1), uStrokeImageSize);\n\n // calculate the coverage\n coverageX(stroke0.xy, stroke0.zw, stroke1.xy);\n }\n }\n\n // intersect curves in this column\n {\n int colIndex = gridCoord.x + uGridOffset.x;\n vec4 colInfo = getTexel(uSamplerCols, colIndex, uGridImageSize);\n int colStrokeIndex = getInt16(colInfo.xy);\n int colStrokeCount = getInt16(colInfo.zw);\n \n for (int iColStroke = INT(0); iColStroke < N; iColStroke++) {\n if (iColStroke >= colStrokeCount)\n break;\n\n vec4 strokeIndices = getTexel(uSamplerColStrokes, colStrokeIndex++, uCellsImageSize);\n\n int strokePos = getInt16(strokeIndices.xy);\n vec4 stroke0 = getTexel(uSamplerStrokes, strokePos + INT(0), uStrokeImageSize);\n vec4 stroke1 = getTexel(uSamplerStrokes, strokePos + INT(1), uStrokeImageSize);\n coverageY(stroke0.xy, stroke0.zw, stroke1.xy);\n }\n }\n\n weight = saturate(1.0 - weight * 2.0);\n float distance = max(weight.x + weight.y, minDistance); // manhattan approx.\n float antialias = abs(dot(coverage, weight) / distance);\n float cover = min(abs(coverage.x), abs(coverage.y));\n OUT_COLOR = vec4(uMaterialColor.rgb, 1.) * uMaterialColor.a;\n OUT_COLOR *= saturate(max(antialias, cover));\n}\n",lineVert:T+"/*\n Part of the Processing project - http://processing.org\n Copyright (c) 2012-15 The Processing Foundation\n Copyright (c) 2004-12 Ben Fry and Casey Reas\n Copyright (c) 2001-04 Massachusetts Institute of Technology\n This library is free software; you can redistribute it and/or\n modify it under the terms of the GNU Lesser General Public\n License as published by the Free Software Foundation, version 2.1.\n This library is distributed in the hope that it will be useful,\n but WITHOUT ANY WARRANTY; without even the implied warranty of\n MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU\n Lesser General Public License for more details.\n You should have received a copy of the GNU Lesser General\n Public License along with this library; if not, write to the\n Free Software Foundation, Inc., 59 Temple Place, Suite 330,\n Boston, MA 02111-1307 USA\n*/\n\n#define PROCESSING_LINE_SHADER\n\nprecision mediump int;\n\nuniform mat4 uModelViewMatrix;\nuniform mat4 uProjectionMatrix;\nuniform float uStrokeWeight;\n\nuniform bool uUseLineColor;\nuniform vec4 uMaterialColor;\n\nuniform vec4 uViewport;\nuniform int uPerspective;\nuniform int uStrokeJoin;\n\nIN vec4 aPosition;\nIN vec3 aTangentIn;\nIN vec3 aTangentOut;\nIN float aSide;\nIN vec4 aVertexColor;\n\nOUT vec4 vColor;\nOUT vec2 vTangent;\nOUT vec2 vCenter;\nOUT vec2 vPosition;\nOUT float vMaxDist;\nOUT float vCap;\nOUT float vJoin;\n\nvec2 lineIntersection(vec2 aPoint, vec2 aDir, vec2 bPoint, vec2 bDir) {\n // Rotate and translate so a starts at the origin and goes out to the right\n bPoint -= aPoint;\n vec2 rotatedBFrom = vec2(\n bPoint.x*aDir.x + bPoint.y*aDir.y,\n bPoint.y*aDir.x - bPoint.x*aDir.y\n );\n vec2 bTo = bPoint + bDir;\n vec2 rotatedBTo = vec2(\n bTo.x*aDir.x + bTo.y*aDir.y,\n bTo.y*aDir.x - bTo.x*aDir.y\n );\n float intersectionDistance =\n rotatedBTo.x + (rotatedBFrom.x - rotatedBTo.x) * rotatedBTo.y /\n (rotatedBTo.y - rotatedBFrom.y);\n return aPoint + aDir * intersectionDistance;\n}\n\nvoid main() {\n // Caps have one of either the in or out tangent set to 0\n vCap = (aTangentIn == vec3(0.)) != (aTangentOut == (vec3(0.)))\n ? 1. : 0.;\n\n // Joins have two unique, defined tangents\n vJoin = (\n aTangentIn != vec3(0.) &&\n aTangentOut != vec3(0.) &&\n aTangentIn != aTangentOut\n ) ? 1. : 0.;\n\n vec4 posp = uModelViewMatrix * aPosition;\n vec4 posqIn = uModelViewMatrix * (aPosition + vec4(aTangentIn, 0));\n vec4 posqOut = uModelViewMatrix * (aPosition + vec4(aTangentOut, 0));\n\n float facingCamera = pow(\n // The word space tangent's z value is 0 if it's facing the camera\n abs(normalize(posqIn-posp).z),\n\n // Using pow() here to ramp `facingCamera` up from 0 to 1 really quickly\n // so most lines get scaled and don't get clipped\n 0.25\n );\n\n // Moving vertices slightly toward the camera\n // to avoid depth-fighting with the fill triangles.\n // This prevents popping effects due to half of\n // the line disappearing behind the geometry faces.\n \n float zOffset = mix(-0.00045, -1., facingCamera);\n posp.z -= zOffset;\n posqIn.z -= zOffset;\n posqOut.z -= zOffset;\n \n vec4 p = uProjectionMatrix * posp;\n vec4 qIn = uProjectionMatrix * posqIn;\n vec4 qOut = uProjectionMatrix * posqOut;\n vCenter = p.xy;\n\n // formula to convert from clip space (range -1..1) to screen space (range 0..[width or height])\n // screen_p = (p.xy/p.w + <1,1>) * 0.5 * uViewport.zw\n\n // prevent division by W by transforming the tangent formula (div by 0 causes\n // the line to disappear, see https://github.com/processing/processing/issues/5183)\n // t = screen_q - screen_p\n //\n // tangent is normalized and we don't care which aDirection it points to (+-)\n // t = +- normalize( screen_q - screen_p )\n // t = +- normalize( (q.xy/q.w+<1,1>)*0.5*uViewport.zw - (p.xy/p.w+<1,1>)*0.5*uViewport.zw )\n //\n // extract common factor, <1,1> - <1,1> cancels out\n // t = +- normalize( (q.xy/q.w - p.xy/p.w) * 0.5 * uViewport.zw )\n //\n // convert to common divisor\n // t = +- normalize( ((q.xy*p.w - p.xy*q.w) / (p.w*q.w)) * 0.5 * uViewport.zw )\n //\n // remove the common scalar divisor/factor, not needed due to normalize and +-\n // (keep uViewport - can't remove because it has different components for x and y\n // and corrects for aspect ratio, see https://github.com/processing/processing/issues/5181)\n // t = +- normalize( (q.xy*p.w - p.xy*q.w) * uViewport.zw )\n\n vec2 tangentIn = normalize((qIn.xy*p.w - p.xy*qIn.w) * uViewport.zw);\n vec2 tangentOut = normalize((qOut.xy*p.w - p.xy*qOut.w) * uViewport.zw);\n\n vec2 curPerspScale;\n if(uPerspective == 1) {\n // Perspective ---\n // convert from world to clip by multiplying with projection scaling factor\n // to get the right thickness (see https://github.com/processing/processing/issues/5182)\n\n // The y value of the projection matrix may be flipped if rendering to a Framebuffer.\n // Multiplying again by its sign here negates the flip to get just the scale.\n curPerspScale = (uProjectionMatrix * vec4(1, sign(uProjectionMatrix[1][1]), 0, 0)).xy;\n } else {\n // No Perspective ---\n // multiply by W (to cancel out division by W later in the pipeline) and\n // convert from screen to clip (derived from clip to screen above)\n curPerspScale = p.w / (0.5 * uViewport.zw);\n }\n\n vec2 offset;\n if (vJoin == 1.) {\n vTangent = normalize(tangentIn + tangentOut);\n vec2 normalIn = vec2(-tangentIn.y, tangentIn.x);\n vec2 normalOut = vec2(-tangentOut.y, tangentOut.x);\n float side = sign(aSide);\n float sideEnum = abs(aSide);\n\n // We generate vertices for joins on either side of the centerline, but\n // the \"elbow\" side is the only one needing a join. By not setting the\n // offset for the other side, all its vertices will end up in the same\n // spot and not render, effectively discarding it.\n if (sign(dot(tangentOut, vec2(-tangentIn.y, tangentIn.x))) != side) {\n // Side enums:\n // 1: the side going into the join\n // 2: the middle of the join\n // 3: the side going out of the join\n if (sideEnum == 2.) {\n // Calculate the position + tangent on either side of the join, and\n // find where the lines intersect to find the elbow of the join\n vec2 c = (posp.xy/posp.w + vec2(1.,1.)) * 0.5 * uViewport.zw;\n vec2 intersection = lineIntersection(\n c + (side * normalIn * uStrokeWeight / 2.),\n tangentIn,\n c + (side * normalOut * uStrokeWeight / 2.),\n tangentOut\n );\n offset = (intersection - c);\n\n // When lines are thick and the angle of the join approaches 180, the\n // elbow might be really far from the center. We'll apply a limit to\n // the magnitude to avoid lines going across the whole screen when this\n // happens.\n float mag = length(offset);\n float maxMag = 3. * uStrokeWeight;\n if (mag > maxMag) {\n offset *= maxMag / mag;\n }\n } else if (sideEnum == 1.) {\n offset = side * normalIn * uStrokeWeight / 2.;\n } else if (sideEnum == 3.) {\n offset = side * normalOut * uStrokeWeight / 2.;\n }\n }\n if (uStrokeJoin == STROKE_JOIN_BEVEL) {\n vec2 avgNormal = vec2(-vTangent.y, vTangent.x);\n vMaxDist = abs(dot(avgNormal, normalIn * uStrokeWeight / 2.));\n } else {\n vMaxDist = uStrokeWeight / 2.;\n }\n } else {\n vec2 tangent = aTangentIn == vec3(0.) ? tangentOut : tangentIn;\n vTangent = tangent;\n vec2 normal = vec2(-tangent.y, tangent.x);\n\n float normalOffset = sign(aSide);\n // Caps will have side values of -2 or 2 on the edge of the cap that\n // extends out from the line\n float tangentOffset = abs(aSide) - 1.;\n offset = (normal * normalOffset + tangent * tangentOffset) *\n uStrokeWeight * 0.5;\n vMaxDist = uStrokeWeight / 2.;\n }\n vPosition = vCenter + offset;\n\n gl_Position.xy = p.xy + offset.xy * curPerspScale;\n gl_Position.zw = p.zw;\n \n vColor = (uUseLineColor ? aVertexColor : uMaterialColor);\n}\n",lineFrag:T+"precision mediump int;\n\nuniform vec4 uMaterialColor;\nuniform int uStrokeCap;\nuniform int uStrokeJoin;\nuniform float uStrokeWeight;\n\nIN vec4 vColor;\nIN vec2 vTangent;\nIN vec2 vCenter;\nIN vec2 vPosition;\nIN float vMaxDist;\nIN float vCap;\nIN float vJoin;\n\nfloat distSquared(vec2 a, vec2 b) {\n vec2 aToB = b - a;\n return dot(aToB, aToB);\n}\n\nvoid main() {\n if (vCap > 0.) {\n if (\n uStrokeCap == STROKE_CAP_ROUND &&\n distSquared(vPosition, vCenter) > uStrokeWeight * uStrokeWeight * 0.25\n ) {\n discard;\n } else if (\n uStrokeCap == STROKE_CAP_SQUARE &&\n dot(vPosition - vCenter, vTangent) > 0.\n ) {\n discard;\n }\n // Use full area for PROJECT\n } else if (vJoin > 0.) {\n if (\n uStrokeJoin == STROKE_JOIN_ROUND &&\n distSquared(vPosition, vCenter) > uStrokeWeight * uStrokeWeight * 0.25\n ) {\n discard;\n } else if (uStrokeJoin == STROKE_JOIN_BEVEL) {\n vec2 normal = vec2(-vTangent.y, vTangent.x);\n if (abs(dot(vPosition - vCenter, normal)) > vMaxDist) {\n discard;\n }\n }\n // Use full area for MITER\n }\n OUT_COLOR = vec4(vColor.rgb, 1.) * vColor.a;\n}\n",pointVert:"IN vec3 aPosition;\nuniform float uPointSize;\nOUT float vStrokeWeight;\nuniform mat4 uModelViewMatrix;\nuniform mat4 uProjectionMatrix;\nvoid main() {\n\tvec4 positionVec4 = vec4(aPosition, 1.0);\n\tgl_Position = uProjectionMatrix * uModelViewMatrix * positionVec4;\n\tgl_PointSize = uPointSize;\n\tvStrokeWeight = uPointSize;\n}\n",pointFrag:"precision mediump int;\nuniform vec4 uMaterialColor;\nIN float vStrokeWeight;\n\nvoid main(){\n float mask = 0.0;\n\n // make a circular mask using the gl_PointCoord (goes from 0 - 1 on a point)\n // might be able to get a nicer edge on big strokeweights with smoothstep but slightly less performant\n\n mask = step(0.98, length(gl_PointCoord * 2.0 - 1.0));\n\n // if strokeWeight is 1 or less lets just draw a square\n // this prevents weird artifacting from carving circles when our points are really small\n // if strokeWeight is larger than 1, we just use it as is\n\n mask = mix(0.0, mask, clamp(floor(vStrokeWeight - 0.5),0.0,1.0));\n\n // throw away the borders of the mask\n // otherwise we get weird alpha blending issues\n\n if(mask > 0.98){\n discard;\n }\n\n OUT_COLOR = vec4(uMaterialColor.rgb, 1.) * uMaterialColor.a;\n}\n",imageLightVert:"precision highp float;\nattribute vec3 aPosition;\nattribute vec3 aNormal;\nattribute vec2 aTexCoord;\n\nvarying vec3 localPos;\nvarying vec3 vWorldNormal;\nvarying vec3 vWorldPosition;\nvarying vec2 vTexCoord;\n\nuniform mat4 uModelViewMatrix;\nuniform mat4 uProjectionMatrix;\nuniform mat3 uNormalMatrix;\n\nvoid main() {\n // Multiply the position by the matrix.\n vec4 viewModelPosition = uModelViewMatrix * vec4(aPosition, 1.0);\n gl_Position = uProjectionMatrix * viewModelPosition; \n \n // orient the normals and pass to the fragment shader\n vWorldNormal = uNormalMatrix * aNormal;\n \n // send the view position to the fragment shader\n vWorldPosition = (uModelViewMatrix * vec4(aPosition, 1.0)).xyz;\n \n localPos = vWorldPosition;\n vTexCoord = aTexCoord;\n}\n\n\n/*\nin the vertex shader we'll compute the world position and world oriented normal of the vertices and pass those to the fragment shader as varyings.\n*/\n",imageLightDiffusedFrag:"precision highp float;\nvarying vec3 localPos;\n\n// the HDR cubemap converted (can be from an equirectangular environment map.)\nuniform sampler2D environmentMap;\nvarying vec2 vTexCoord;\n\nconst float PI = 3.14159265359;\n\nvec2 nTOE( vec3 v ){\n // x = r sin(phi) cos(theta) \n // y = r cos(phi) \n // z = r sin(phi) sin(theta)\n float phi = acos( v.y );\n // if phi is 0, then there are no x, z components\n float theta = 0.0;\n // else \n theta = acos(v.x / sin(phi));\n float sinTheta = v.z / sin(phi);\n if (sinTheta < 0.0) {\n // Turn it into -theta, but in the 0-2PI range\n theta = 2.0 * PI - theta;\n }\n theta = theta / (2.0 * 3.14159);\n phi = phi / 3.14159 ;\n \n vec2 angles = vec2( phi, theta );\n return angles;\n}\n\nfloat random(vec2 p) {\n vec3 p3 = fract(vec3(p.xyx) * .1031);\n p3 += dot(p3, p3.yzx + 33.33);\n return fract((p3.x + p3.y) * p3.z);\n}\n\nvoid main()\n{ \t \n\t// the sample direction equals the hemisphere's orientation\n float phi = vTexCoord.x * 2.0 * PI;\n float theta = vTexCoord.y * PI;\n float x = sin(theta) * cos(phi);\n float y = sin(theta) * sin(phi);\n float z = cos(theta);\n vec3 normal = vec3( x, y, z);\n\n\t// Discretely sampling the hemisphere given the integral's\n // spherical coordinates translates to the following fragment code:\n\tvec3 irradiance = vec3(0.0); \n\tvec3 up\t= vec3(0.0, 1.0, 0.0);\n\tvec3 right = normalize(cross(up, normal));\n\tup = normalize(cross(normal, right));\n\n\t// We specify a fixed sampleDelta delta value to traverse\n // the hemisphere; decreasing or increasing the sample delta\n // will increase or decrease the accuracy respectively.\n\tconst float sampleDelta = 0.100;\n\tfloat nrSamples = 0.0;\n float randomOffset = random(gl_FragCoord.xy) * sampleDelta;\n\tfor(float rawPhi = 0.0; rawPhi < 2.0 * PI; rawPhi += sampleDelta)\n\t{\n float phi = rawPhi + randomOffset;\n for(float rawTheta = 0.0; rawTheta < ( 0.5 ) * PI; rawTheta += sampleDelta)\n {\n float theta = rawTheta + randomOffset;\n // spherical to cartesian (in tangent space) // tangent space to world // add each sample result to irradiance\n float x = sin(theta) * cos(phi);\n float y = sin(theta) * sin(phi);\n float z = cos(theta);\n vec3 tangentSample = vec3( x, y, z);\n \n vec3 sampleVec = tangentSample.x * right + tangentSample.y * up + tangentSample.z * normal;\n irradiance += (texture2D(environmentMap, nTOE(sampleVec)).xyz) * cos(theta) * sin(theta);\n nrSamples++;\n }\n\t}\n\t// divide by the total number of samples taken, giving us the average sampled irradiance.\n\tirradiance = PI * irradiance * (1.0 / float(nrSamples )) ;\n \n \n\tgl_FragColor = vec4(irradiance, 1.0);\n}",imageLightSpecularFrag:"precision highp float;\r\nvarying vec3 localPos;\r\nvarying vec2 vTexCoord;\r\n\r\n// our texture\r\nuniform sampler2D environmentMap;\r\nuniform float roughness;\r\n\r\nconst float PI = 3.14159265359;\r\n\r\nfloat VanDerCorput(int bits);\r\nvec2 HammersleyNoBitOps(int i, int N);\r\nvec3 ImportanceSampleGGX(vec2 Xi, vec3 N, float roughness);\r\n\r\n\r\nvec2 nTOE( vec3 v ){\r\n // x = r sin(phi) cos(theta) \r\n // y = r cos(phi) \r\n // z = r sin(phi) sin(theta)\r\n float phi = acos( v.y );\r\n // if phi is 0, then there are no x, z components\r\n float theta = 0.0;\r\n // else \r\n theta = acos(v.x / sin(phi));\r\n float sinTheta = v.z / sin(phi);\r\n if (sinTheta < 0.0) {\r\n // Turn it into -theta, but in the 0-2PI range\r\n theta = 2.0 * PI - theta;\r\n }\r\n theta = theta / (2.0 * 3.14159);\r\n phi = phi / 3.14159 ;\r\n \r\n vec2 angles = vec2( phi, theta );\r\n return angles;\r\n}\r\n\r\n\r\nvoid main(){\r\n const int SAMPLE_COUNT = 400; // 4096\r\n int lowRoughnessLimit = int(pow(2.0,(roughness+0.1)*20.0));\r\n float totalWeight = 0.0;\r\n vec3 prefilteredColor = vec3(0.0);\r\n float phi = vTexCoord.x * 2.0 * PI;\r\n float theta = vTexCoord.y * PI;\r\n float x = sin(theta) * cos(phi);\r\n float y = sin(theta) * sin(phi);\r\n float z = cos(theta);\r\n vec3 N = vec3(x,y,z);\r\n vec3 V = N;\r\n for (int i = 0; i < SAMPLE_COUNT; ++i)\r\n {\r\n // break at smaller sample numbers for low roughness levels\r\n if(i == lowRoughnessLimit)\r\n {\r\n break;\r\n }\r\n vec2 Xi = HammersleyNoBitOps(i, SAMPLE_COUNT);\r\n vec3 H = ImportanceSampleGGX(Xi, N, roughness);\r\n vec3 L = normalize(2.0 * dot(V, H) * H - V);\r\n\r\n float NdotL = max(dot(N, L), 0.0);\r\n if (NdotL > 0.0)\r\n {\r\n prefilteredColor += texture2D(environmentMap, nTOE(L)).xyz * NdotL;\r\n totalWeight += NdotL;\r\n }\r\n }\r\n prefilteredColor = prefilteredColor / totalWeight;\r\n\r\n gl_FragColor = vec4(prefilteredColor, 1.0);\r\n}\r\n\r\nvec3 ImportanceSampleGGX(vec2 Xi, vec3 N, float roughness){\r\n float a = roughness * roughness;\r\n\r\n float phi = 2.0 * PI * Xi.x;\r\n float cosTheta = sqrt((1.0 - Xi.y) / (1.0 + (a * a - 1.0) * Xi.y));\r\n float sinTheta = sqrt(1.0 - cosTheta * cosTheta);\r\n // from spherical coordinates to cartesian coordinates\r\n vec3 H;\r\n H.x = cos(phi) * sinTheta;\r\n H.y = sin(phi) * sinTheta;\r\n H.z = cosTheta;\r\n\r\n // from tangent-space vector to world-space sample vector\r\n vec3 up = abs(N.z) < 0.999 ? vec3(0.0, 0.0, 1.0) : vec3(1.0, 0.0, 0.0);\r\n vec3 tangent = normalize(cross(up, N));\r\n vec3 bitangent = cross(N, tangent);\r\n\r\n vec3 sampleVec = tangent * H.x + bitangent * H.y + N * H.z;\r\n return normalize(sampleVec);\r\n}\r\n\r\n\r\nfloat VanDerCorput(int n, int base)\r\n{\r\n#ifdef WEBGL2\r\n\r\n uint bits = uint(n);\r\n bits = (bits << 16u) | (bits >> 16u);\r\n bits = ((bits & 0x55555555u) << 1u) | ((bits & 0xAAAAAAAAu) >> 1u);\r\n bits = ((bits & 0x33333333u) << 2u) | ((bits & 0xCCCCCCCCu) >> 2u);\r\n bits = ((bits & 0x0F0F0F0Fu) << 4u) | ((bits & 0xF0F0F0F0u) >> 4u);\r\n bits = ((bits & 0x00FF00FFu) << 8u) | ((bits & 0xFF00FF00u) >> 8u);\r\n return float(bits) * 2.3283064365386963e-10; // / 0x100000000\r\n\r\n#else\r\n\r\n float invBase = 1.0 / float(base);\r\n float denom = 1.0;\r\n float result = 0.0;\r\n\r\n\r\n for (int i = 0; i < 32; ++i)\r\n {\r\n if (n > 0)\r\n {\r\n denom = mod(float(n), 2.0);\r\n result += denom * invBase;\r\n invBase = invBase / 2.0;\r\n n = int(float(n) / 2.0);\r\n }\r\n }\r\n\r\n\r\n return result;\r\n\r\n#endif\r\n}\r\n\r\nvec2 HammersleyNoBitOps(int i, int N)\r\n{\r\n return vec2(float(i) / float(N), VanDerCorput(i, 2));\r\n}\r\n"},M=E.sphereMappingFrag;for(x in E)E[x]="#ifdef WEBGL2\n\n#define IN in\n#define OUT out\n\n#ifdef FRAGMENT_SHADER\nout vec4 outColor;\n#define OUT_COLOR outColor\n#endif\n#define TEXTURE texture\n\n#else\n\n#ifdef FRAGMENT_SHADER\n#define IN varying\n#else\n#define IN attribute\n#endif\n#define OUT varying\n#define TEXTURE texture2D\n\n#ifdef FRAGMENT_SHADER\n#define OUT_COLOR gl_FragColor\n#endif\n\n#endif\n"+E[x];j(e={},l.GRAY,"precision highp float;\n\nvarying vec2 vTexCoord;\n\nuniform sampler2D tex0;\n\nfloat luma(vec3 color) {\n // weighted grayscale with luminance values\n return dot(color, vec3(0.2126, 0.7152, 0.0722));\n}\n\nvoid main() {\n vec4 tex = texture2D(tex0, vTexCoord);\n float gray = luma(tex.rgb);\n gl_FragColor = vec4(gray, gray, gray, tex.a);\n}\n"),j(e,l.ERODE,"// Reduces the bright areas in an image\n\nprecision highp float;\n\nvarying vec2 vTexCoord;\n\nuniform sampler2D tex0;\nuniform vec2 texelSize;\n\nfloat luma(vec3 color) {\n // weighted grayscale with luminance values\n // weights 77, 151, 28 taken from src/image/filters.js\n return dot(color, vec3(0.300781, 0.589844, 0.109375));\n}\n\nvoid main() {\n vec4 color = texture2D(tex0, vTexCoord);\n float lum = luma(color.rgb);\n\n // set current color as the darkest neighbor color\n\n vec4 neighbors[4];\n neighbors[0] = texture2D(tex0, vTexCoord + vec2( texelSize.x, 0.0));\n neighbors[1] = texture2D(tex0, vTexCoord + vec2(-texelSize.x, 0.0));\n neighbors[2] = texture2D(tex0, vTexCoord + vec2(0.0, texelSize.y));\n neighbors[3] = texture2D(tex0, vTexCoord + vec2(0.0, -texelSize.y));\n\n for (int i = 0; i < 4; i++) {\n vec4 neighborColor = neighbors[i];\n float neighborLum = luma(neighborColor.rgb);\n\n if (neighborLum < lum) {\n color = neighborColor;\n lum = neighborLum;\n }\n }\n\n gl_FragColor = color;\n}\n"),j(e,l.DILATE,"// Increase the bright areas in an image\n\nprecision highp float;\n\nvarying vec2 vTexCoord;\n\nuniform sampler2D tex0;\nuniform vec2 texelSize;\n\nfloat luma(vec3 color) {\n // weighted grayscale with luminance values\n // weights 77, 151, 28 taken from src/image/filters.js\n return dot(color, vec3(0.300781, 0.589844, 0.109375));\n}\n\nvoid main() {\n vec4 color = texture2D(tex0, vTexCoord);\n float lum = luma(color.rgb);\n\n // set current color as the brightest neighbor color\n\n vec4 neighbors[4];\n neighbors[0] = texture2D(tex0, vTexCoord + vec2( texelSize.x, 0.0));\n neighbors[1] = texture2D(tex0, vTexCoord + vec2(-texelSize.x, 0.0));\n neighbors[2] = texture2D(tex0, vTexCoord + vec2(0.0, texelSize.y));\n neighbors[3] = texture2D(tex0, vTexCoord + vec2(0.0, -texelSize.y));\n\n for (int i = 0; i < 4; i++) {\n vec4 neighborColor = neighbors[i];\n float neighborLum = luma(neighborColor.rgb);\n\n if (neighborLum > lum) {\n color = neighborColor;\n lum = neighborLum;\n }\n }\n\n gl_FragColor = color;\n}\n"),j(e,l.BLUR,"precision highp float;\n\n// Two-pass blur filter, unweighted kernel.\n// See also a similar blur at Adam Ferriss' repo of shader examples:\n// https://github.com/aferriss/p5jsShaderExamples/blob/gh-pages/4_image-effects/4-9_single-pass-blur/effect.frag\n\n\nuniform sampler2D tex0;\nvarying vec2 vTexCoord;\nuniform vec2 direction;\nuniform vec2 canvasSize;\nuniform float radius;\n\nfloat random(vec2 p) {\n vec3 p3 = fract(vec3(p.xyx) * .1031);\n p3 += dot(p3, p3.yzx + 33.33);\n return fract((p3.x + p3.y) * p3.z);\n}\n\n// This isn't a real Gaussian weight, it's a quadratic weight. It's what the\n// CPU mode's blur uses though, so we also use it here to match.\nfloat quadWeight(float x, float e) {\n return pow(e-abs(x), 2.);\n}\n\nvoid main(){\n vec2 uv = vTexCoord;\n\n // A reasonable maximum number of samples\n const float maxSamples = 64.0;\n\n float numSamples = floor(7. * radius);\n if (fract(numSamples / 2.) == 0.) {\n numSamples++;\n }\n vec4 avg = vec4(0.0);\n float total = 0.0;\n\n // Calculate the spacing to avoid skewing if numSamples > maxSamples\n float spacing = 1.0;\n if (numSamples > maxSamples) {\n spacing = numSamples / maxSamples;\n numSamples = maxSamples;\n }\n\n float randomOffset = (spacing - 1.0) * mix(-0.5, 0.5, random(gl_FragCoord.xy));\n for (float i = 0.0; i < maxSamples; i++) {\n if (i >= numSamples) break;\n\n float sample = i * spacing - (numSamples - 1.0) * 0.5 * spacing + randomOffset;\n vec2 sampleCoord = uv + vec2(sample, sample) / canvasSize * direction;\n float weight = quadWeight(sample, (numSamples - 1.0) * 0.5 * spacing);\n\n avg += weight * texture2D(tex0, sampleCoord);\n total += weight;\n }\n\n avg /= total;\n gl_FragColor = avg;\n}\n"),j(e,l.POSTERIZE,"// Limit color space for a stylized cartoon / poster effect\n\nprecision highp float;\n\nvarying vec2 vTexCoord;\n\nuniform sampler2D tex0;\nuniform float filterParameter;\n\nvec3 quantize(vec3 color, float n) {\n // restrict values to N options/bins\n // and floor each channel to nearest value\n //\n // eg. when N = 5, values = 0.0, 0.25, 0.50, 0.75, 1.0\n // then quantize (0.1, 0.7, 0.9) -> (0.0, 0.5, 1.0)\n\n color = color * n;\n color = floor(color);\n color = color / (n - 1.0);\n return color;\n}\n\nvoid main() {\n vec4 color = texture2D(tex0, vTexCoord);\n\n vec3 restrictedColor = quantize(color.rgb / color.a, filterParameter);\n\n gl_FragColor = vec4(restrictedColor.rgb * color.a, color.a);\n}\n"),j(e,l.OPAQUE,"// Set alpha channel to entirely opaque\n\nprecision highp float;\n\nvarying vec2 vTexCoord;\n\nuniform sampler2D tex0;\n\nvoid main() {\n vec4 color = texture2D(tex0, vTexCoord);\n gl_FragColor = vec4(color.rgb / color.a, 1.0);\n}\n"),j(e,l.INVERT,"// Set each pixel to inverse value\n// Note that original INVERT does not change the opacity, so this follows suit\n\nprecision highp float;\n\nvarying vec2 vTexCoord;\n\nuniform sampler2D tex0;\n\nvoid main() {\nvec4 color = texture2D(tex0, vTexCoord);\nvec3 origColor = color.rgb / color.a;\nvec3 invertedColor = vec3(1.0) - origColor;\ngl_FragColor = vec4(invertedColor * color.a, color.a);\n}\n"),j(e,l.THRESHOLD,"// Convert pixels to either white or black, \n// depending on if their luma is above or below filterParameter\n\nprecision highp float;\n\nvarying vec2 vTexCoord;\n\nuniform sampler2D tex0;\nuniform float filterParameter;\n\nfloat luma(vec3 color) {\n // weighted grayscale with luminance values\n return dot(color, vec3(0.2126, 0.7152, 0.0722));\n}\n\nvoid main() {\n vec4 color = texture2D(tex0, vTexCoord);\n float gray = luma(color.rgb / color.a);\n // floor() used to match src/image/filters.js\n float threshold = floor(filterParameter * 255.0) / 255.0;\n float blackOrWhite = step(threshold, gray);\n gl_FragColor = vec4(vec3(blackOrWhite) * color.a, color.a);\n}\n");var k=e;function O(e,t,r,o,n,s,i,a,l,u){var c=t.getParameter(t.FRAMEBUFFER_BINDING),r=(t.bindFramebuffer(t.FRAMEBUFFER,r),a===t.RGBA?4:3),d=s*i*r,h=l===t.UNSIGNED_BYTE?Uint8Array:Float32Array;if(e instanceof h&&e.length===d||(e=new h(d)),t.readPixels(o,u?u-n-i:n,s,i,a,l,e),t.bindFramebuffer(t.FRAMEBUFFER,c),u)for(var f=Math.floor(i/2),p=new h(s*r),m=0;m>7,127&d,c>>7,127&c);for(var h=0;h>7,127&f,0,0)}}return{cellImageInfo:a,dimOffset:t,dimImageInfo:n}}}}]),t}();B.default.RendererGL.prototype._renderText=function(e,t,r,o,n){if(this._textFont&&"string"!=typeof this._textFont){if(!(n<=o)&&this._doFill){if(this._isOpenType()){e.push();var n=this._doStroke,s=this.drawMode,i=(this._doStroke=!1,this.drawMode=E.TEXTURE,this._textFont.font),a=(a=this._textFont._fontInfo)||(this._textFont._fontInfo=new M(i)),r=this._textFont._handleAlignment(this,t,r,o),o=this._textSize/i.unitsPerEm,l=(this.translate(r.x,r.y,0),this.scale(o,o,1),this.GL),r=!this._defaultFontShader,u=this._getFontShader(),c=(u.init(),u.bindShader(),r&&(u.setUniform("uGridImageSize",[64,64]),u.setUniform("uCellsImageSize",[64,64]),u.setUniform("uStrokeImageSize",[64,64]),u.setUniform("uGridSize",[9,9])),this._applyColorBlend(this.curFillColor),this.retainedMode.geometry.glyph),d=(c||((o=this._textGeom=new B.default.Geometry(1,1,function(){for(var e=0;e<=1;e++)for(var t=0;t<=1;t++)this.vertices.push(new B.default.Vector(t,e,0)),this.uvs.push(t,e)})).computeFaces().computeNormals(),c=this.createBuffers("glyph",o)),!0),r=!1,o=void 0;try{for(var h,f=this.retainedMode.buffers.text[Symbol.iterator]();!(d=(h=f.next()).done);d=!0)h.value._prepareBuffer(c,u)}catch(e){r=!0,o=e}finally{try{d||null==f.return||f.return()}finally{if(r)throw o}}this._bindBuffer(c.indexBuffer,l.ELEMENT_ARRAY_BUFFER),u.setUniform("uMaterialColor",this.curFillColor),l.pixelStorei(l.UNPACK_PREMULTIPLY_ALPHA_WEBGL,!1);try{var p=0,m=null,y=i.stringToGlyphs(t),g=!0,v=!1,b=void 0;try{for(var j,_=y[Symbol.iterator]();!(g=(j=_.next()).done);g=!0){var x,w,S=j.value,T=(m&&(p+=i.getKerningValue(m,S)),a.getGlyphInfo(S));T.uGlyphRect&&(x=T.rowInfo,w=T.colInfo,u.setUniform("uSamplerStrokes",T.strokeImageInfo.imageData),u.setUniform("uSamplerRowStrokes",x.cellImageInfo.imageData),u.setUniform("uSamplerRows",x.dimImageInfo.imageData),u.setUniform("uSamplerColStrokes",w.cellImageInfo.imageData),u.setUniform("uSamplerCols",w.dimImageInfo.imageData),u.setUniform("uGridOffset",T.uGridOffset),u.setUniform("uGlyphRect",T.uGlyphRect),u.setUniform("uGlyphOffset",p),u.bindTextures(),l.drawElements(l.TRIANGLES,6,this.GL.UNSIGNED_SHORT,0)),p+=S.advanceWidth,m=S}}catch(e){v=!0,b=e}finally{try{g||null==_.return||_.return()}finally{if(v)throw b}}}finally{u.unbindShader(),this._doStroke=n,this.drawMode=s,l.pixelStorei(l.UNPACK_PREMULTIPLY_ALPHA_WEBGL,!0),e.pop()}}else console.log("WEBGL: only Opentype (.otf) and Truetype (.ttf) fonts are supported");return e}}else console.log("WEBGL: you must load and set a font before drawing text. See `loadFont` and `textFont` for more details.")}},{"../core/constants":272,"../core/main":283,"./p5.RendererGL.Retained":340,"./p5.Shader":342,"core-js/modules/es.array.iterator":165,"core-js/modules/es.object.get-own-property-descriptor":186,"core-js/modules/es.object.to-string":190,"core-js/modules/es.regexp.exec":195,"core-js/modules/es.string.iterator":200,"core-js/modules/es.string.split":206,"core-js/modules/es.string.sub":208,"core-js/modules/es.symbol":212,"core-js/modules/es.symbol.description":210,"core-js/modules/es.symbol.iterator":211,"core-js/modules/es.weak-map":244,"core-js/modules/web.dom-collections.iterator":246}]},{},[267])(267)}); \ No newline at end of file diff --git a/p5.grain.js b/p5.grain.js index a9fa064..eb83259 100644 --- a/p5.grain.js +++ b/p5.grain.js @@ -1,14 +1,14 @@ /**! * p5.grain * - * @version 0.7.0 + * @version 0.8.0 * @license MIT * @copyright meezwhite, Gorilla Sun */ class P5Grain { - version = '0.7.0'; + version = '0.8.0'; - instance; + #instance; /** @internal */ ignoreWarnings = false; ignoreErrors = false; @@ -16,25 +16,19 @@ class P5Grain { /** @end */ #random; - #textureAnimate; - #textureOverlay; + #randomMinMax; + #randomMode; + #textureAnimate_frameCount = 0; + #textureOverlay_frameCount = 0; + #textureOverlay_tX = 0; + #textureOverlay_tY = 0; constructor() { - // this.#random = p5.prototype.random; - this.#random = Math.random; - this.#textureAnimate = { - frameCount: 0, - }; - this.#textureOverlay = { - frameCount: 0, - tX_anchor: 0, - tX: 0, - tY: 0, - }; + this.#prepareRandomMode('float'); } /** - * Setup and configure certain p5.grain features. + * Setup and configure p5.grain features. * * @example *

                                                                                                    Pass a custom random function to be used internally.

                                                                                                    @@ -43,9 +37,21 @@ class P5Grain { * * * @example + *

                                                                                                    Configure internal random function to generate integers instead of floating-point numbers.

                                                                                                    + * + * p5grain.setup({ randomMode: 'int' }); + * + * + * @example + *

                                                                                                    Configure internal random function to generate floats.

                                                                                                    + * + * p5grain.setup({ randomMode: 'float' }); + * + *

                                                                                                    Note: `randomMode` is `float` by default, so you only need to do the above if you have previously configured `randomMode` to something other than `float` and you now need to generate random floating-point numbers again.

                                                                                                    + * + * @example *

                                                                                                    Ignore errors and warnings

                                                                                                    * - * // Dangerous, but might be more performant * p5grain.setup({ * ignoreErrors: true, * ignoreWarnings: true, @@ -55,27 +61,31 @@ class P5Grain { * @method setup * * @param {Object} [config] Config object to configure p5.grain features. - * @param {function} [config.random] The random function that should be - * used when for e.g. pixel manipulation, texture animation, etc. - * Here you could use a deterministic random function. - * @param {Object} [config.instance] Reference to a p5.js instance. - * @param {Boolean} [config.ignoreWarnings] Specifies whether warnings - * should be ignored. - * @param {Boolean} [config.ignoreErrors] Specifies whether errors should - * be ignored. This is dangerous, but it might be more performant. + * @param {function} [config.random] The random function that should be used for e.g. pixel manipulation, + * texture animation, etc. Here you could use a custom deterministic random function (e.g. fxrand). + * By default p5's random function is used. + * @param {String} [config.randomMode] Specifies the mode of the internal random function. + * Either `float` for floating-point numbers or `int` for integers. (default: `float`) + * @param {p5} [config.instance] Reference to a p5 instance. + * @param {Boolean} [config.ignoreWarnings] Specifies whether warnings should be ignored. (default: `false`) + * @param {Boolean} [config.ignoreErrors] Specifies whether errors should be ignored. (default: `false`) */ setup(config) { /** @internal */ if (!this.#validateArguments('setup', arguments)) return; /** @end */ - if (typeof config === 'undefined') { - this.#random = random; - } else if (typeof config === 'object') { + if (typeof config === 'object') { if (typeof config.random === 'function') { this.#random = config.random; } + if (typeof config.randomMode === 'string') { + this.#prepareRandomMode(config.randomMode); + } if (typeof config.instance === 'object') { - this.instance = config.instance; + this.#instance = config.instance; + if (this.#instance !== null) { + this.#random = this.#instance.random; + } } /** @internal */ if (typeof config.ignoreWarnings === 'boolean') { @@ -85,63 +95,55 @@ class P5Grain { this.ignoreErrors = config.ignoreErrors; } /** @end */ } - } - - /** - * Granulate pixels by the given amount. - * - * This method generates one random value per pixel. The random value - * ranges from -amount to +amount and is added to every RGB(A) pixel - * channel. - * - * @method granulateSimple - * @deprecated since v0.7.0, use applyMonochromaticGrain instead - * - * @param {Number} amount The amount of granularity that should be applied. - * @param {Boolean} [alpha] Specifies whether the alpha channel should - * also be modified. When not specified the alpha channel will - * not be modified. - * @param {p5.Graphics} [pg] The offscreen graphics buffer whose pixels - * should be manipulated. - */ - granulateSimple(amount, alpha, pg) { - /** @internal */ - console.warn('[p5.grain] granulateSimple() is deprecated and will be removed in the future. Use applyMonochromaticGrain() instead.'); - this.#overrideMethodArgument = 'granulateSimple'; - /** @end */ - this.applyMonochromaticGrain(amount, alpha, pg); + if (typeof this.#random === 'undefined' || this.#instance === null) { + this.#random = random; + } } /** * Apply monochromatic grain. * - * This method generates one random value per pixel. The random value - * ranges from -amount to +amount and is added to every RGB(A) pixel - * channel. + * This method generates one random value per pixel. The random value ranges from -amount to +amount. + * Each generated random value is added to every RGB(A) pixel channel. * * @method applyMonochromaticGrain * * @param {Number} amount The amount of granularity that should be applied. - * @param {Boolean} [alpha] Specifies whether the alpha channel should - * also be modified. When not specified the alpha channel will - * not be modified. - * @param {p5.Graphics} [pg] The offscreen graphics buffer whose pixels - * should be manipulated. + * @param {Boolean} [alpha] Specifies whether the alpha channel should also be modified. (default: `false`) + * Note: modifying the alpha channel could have unintended consequences. Only use if you are confident in what you are doing. + * @param {p5.Graphics|p5.Image} [pg] The offscreen graphics buffer or image whose pixels should be manipulated. */ applyMonochromaticGrain(amount, alpha, pg) { /** @internal */ if (!this.#validateArguments('applyMonochromaticGrain', arguments)) return; /** @end */ - const _amount = this.instance ? this.instance.round(amount) : round(amount); const _alpha = alpha || false; - pg ? pg.loadPixels() : (this.instance ? this.instance.loadPixels() : loadPixels()); - const density = pg ? pg.pixelDensity() : (this.instance ? this.instance.pixelDensity() : pixelDensity()); - const _width = pg ? pg.width : (this.instance ? this.instance.width : width); - const _height = pg ? pg.height : (this.instance ? this.instance.height : height); + let density, _width, _height, _pixels; + if (pg) { + pg.loadPixels(); + density = pg.pixelDensity(); + _width = pg.width; + _height = pg.height; + _pixels = pg.pixels; + } else { + if (this.instance) { + this.instance.loadPixels(); + density = this.instance.pixelDensity(); + _width = this.instance.width; + _height = this.instance.height; + _pixels = this.instance.pixels; + } else { + loadPixels(); + density = pixelDensity(); + _width = width; + _height = height; + _pixels = pixels; + } + } const total = 4 * (_width * density) * (_height * density); - const _pixels = pg ? pg.pixels : (this.instance ? this.instance.pixels : pixels); + const { min, max } = this.#prepareRandomBounds(-amount, amount); for (let i = 0; i < total; i += 4) { - const grainAmount = this.#randomIntInclusive(-_amount, _amount); + const grainAmount = this.#randomMinMax(min, max); _pixels[i] = _pixels[i] + grainAmount; _pixels[i + 1] = _pixels[i + 1] + grainAmount; _pixels[i + 2] = _pixels[i + 2] + grainAmount; @@ -149,98 +151,95 @@ class P5Grain { _pixels[i + 3] = _pixels[i + 3] + grainAmount; } } - pg ? pg.updatePixels() : (this.instance ? this.instance.updatePixels() : updatePixels()); - } - - /** - * Granulate pixels channels by the given amount. - * - * This method generates one random value per pixel channel. The random - * values range from -amount to +amount. Each random value is added to - * the respective RGB(A) channel of the pixel. - * - * @method granulateChannels - * @deprecated since v0.7.0, use applyChromaticGrain instead - * - * @param {Number} amount The amount of granularity that should be applied. - * @param {Boolean} [alpha] Specifies whether the alpha channel should - * also be modified. When not specified the alpha channel will - * not be modified. - * @param {p5.Graphics} [pg] The offscreen graphics buffer whose pixels - * should be manipulated. - */ - granulateChannels(amount, alpha, pg) { - /** @internal */ - console.warn('[p5.grain] granulateChannels() is deprecated and will be removed in the future. Use applyChromaticGrain() instead.'); - this.#overrideMethodArgument = 'granulateChannels'; - /** @end */ - this.applyChromaticGrain(amount, alpha, pg); + if (pg) { + pg.updatePixels(); + } else { + if (this.instance) { + this.instance.updatePixels(); + } else { + updatePixels(); + } + } } /** * Apply chromatic grain. * - * This method generates one random value per pixel channel. The random - * values range from -amount to +amount. Each random value is added to - * the respective RGB(A) channel of the pixel. + * This method generates one random value per pixel channel. The random values range from -amount to +amount. + * Each generated random value is added to the respective RGB(A) channel of the pixel. * * @method applyChromaticGrain * * @param {Number} amount The amount of granularity that should be applied. - * @param {Boolean} [alpha] Specifies whether the alpha channel should - * also be modified. When not specified the alpha channel will - * not be modified. - * @param {p5.Graphics} [pg] The offscreen graphics buffer whose pixels - * should be manipulated. + * @param {Boolean} [alpha] Specifies whether the alpha channel should also be modified. (default: `false`) + * Note: modifying the alpha channel could have unintended consequences. Only use if you are confident in what you are doing. + * @param {p5.Graphics|p5.Image} [pg] The offscreen graphics buffer or image whose pixels should be manipulated. */ applyChromaticGrain(amount, alpha, pg) { /** @internal */ if (!this.#validateArguments('applyChromaticGrain', arguments)) return; /** @end */ - const _amount = this.instance ? this.instance.round(amount) : round(amount); const _alpha = alpha || false; - pg ? pg.loadPixels() : (this.instance ? this.instance.loadPixels() : loadPixels()); - const density = pg ? pg.pixelDensity() : (this.instance ? this.instance.pixelDensity() : pixelDensity()); - const _width = pg ? pg.width : (this.instance ? this.instance.width : width); - const _height = pg ? pg.height : (this.instance ? this.instance.height : height); + let density, _width, _height, _pixels; + if (pg) { + pg.loadPixels(); + density = pg.pixelDensity(); + _width = pg.width; + _height = pg.height; + _pixels = pg.pixels; + } else { + if (this.instance) { + this.instance.loadPixels(); + density = this.instance.pixelDensity(); + _width = this.instance.width; + _height = this.instance.height; + _pixels = this.instance.pixels; + } else { + loadPixels(); + density = pixelDensity(); + _width = width; + _height = height; + _pixels = pixels; + } + } const total = 4 * (_width * density) * (_height * density); - const _pixels = pg ? pg.pixels : (this.instance ? this.instance.pixels : pixels); + const { min, max } = this.#prepareRandomBounds(-amount, amount); for (let i = 0; i < total; i += 4) { - _pixels[i] = _pixels[i] + this.#randomIntInclusive(-_amount, _amount); - _pixels[i + 1] = _pixels[i + 1] + this.#randomIntInclusive(-_amount, _amount); - _pixels[i + 2] = _pixels[i + 2] + this.#randomIntInclusive(-_amount, _amount); + _pixels[i] = _pixels[i] + this.#randomMinMax(min, max); + _pixels[i + 1] = _pixels[i + 1] + this.#randomMinMax(min, max); + _pixels[i + 2] = _pixels[i + 2] + this.#randomMinMax(min, max); if (_alpha) { - _pixels[i + 3] = _pixels[i + 3] + this.#randomIntInclusive(-_amount, _amount); + _pixels[i + 3] = _pixels[i + 3] + this.#randomMinMax(min, max); + } + } + if (pg) { + pg.updatePixels(); + } else { + if (this.instance) { + this.instance.updatePixels(); + } else { + updatePixels(); } } - pg ? pg.updatePixels() : (this.instance ? this.instance.updatePixels() : updatePixels()); } /** - * Loop through pixels and call the given callback function on every pixel. - * Pixels are manipulated depending on the given callback function, unless - * read-only mode is enabled. + * Loop through pixels and call the given callback function for every pixel. + * + * Pixels are manipulated depending on the given callback function, unless read-only mode is enabled. * - * The callback function exposes two arguments: - * - index: the current pixel index - * - total: the total indexes count + * The callback function provides two arguments: + * 1. index: the current pixel index + * 2. total: the total indexes count * - * Read-only mode: updating pixels can be by-passed by setting the - * `shouldUpdate` argument to `false`. + * Read-only mode: updating pixels can be by-passed by setting the `shouldUpdate` argument to `false`. + * It is however recommended to use `loopPixels` if you only want to loop through pixels. * * @example - *

                                                                                                    Custom applyMonochromaticGrain implementation:

                                                                                                    + *

                                                                                                    Loop over all pixels and set the red channel of each pixel to a random value between 0 and 255:

                                                                                                    * - * const amount = 42; - * const alpha = false; * tinkerPixels((index, total) => { - * const grainAmount = floor(random() * (amount * 2 + 1)) - amount; - * pixels[index] = pixels[index] + grainAmount; - * pixels[index+1] = pixels[index+1] + grainAmount; - * pixels[index+2] = pixels[index+2] + grainAmount; - * if (alpha) { - * pixels[index+3] = pixels[index+3] + grainAmount; - * } + * pixels[index] = random(0, 255); // red channel * }); * * @@ -255,42 +254,52 @@ class P5Grain { * * @method tinkerPixels * - * @param {Function} callback The callback function that should be called - * on every pixel. - * @param {Boolean} [shouldUpdate] Specifies whether the pixels should be - * updated. - * @param {p5.Graphics} [pg] The offscreen graphics buffer whose pixels - * should be looped. + * @param {Function} callback The callback function that should be called on every pixel. + * @param {Boolean} [shouldUpdate] Specifies whether the pixels should be updated. (default: `true`) + * @param {p5.Graphics|p5.Image} [pg] The offscreen graphics buffer or image whose pixels should be looped. */ tinkerPixels(callback, shouldUpdate, pg) { /** @internal */ if (!this.#validateArguments('tinkerPixels', arguments)) return; /** @end */ shouldUpdate = shouldUpdate !== false; - pg ? pg.loadPixels() : (this.instance ? this.instance.loadPixels() : loadPixels()); - const density = pg ? pg.pixelDensity() : (this.instance ? this.instance.pixelDensity() : pixelDensity()); - const _width = pg ? pg.width : (this.instance ? this.instance.width : width); - const _height = pg ? pg.height : (this.instance ? this.instance.height : height); + let density, _width, _height; + if (pg) { + pg.loadPixels(); + density = pg.pixelDensity(); + _width = pg.width; + _height = pg.height; + } else { + if (this.instance) { + this.instance.loadPixels(); + density = this.instance.pixelDensity(); + _width = this.instance.width; + _height = this.instance.height; + } else { + loadPixels() + density = pixelDensity(); + _width = width; + _height = height; + } + } const total = 4 * (_width * density) * (_height * density); for (let i = 0; i < total; i += 4) { callback(i, total); } if (shouldUpdate) { - pg ? pg.updatePixels() : (this.instance ? this.instance.updatePixels() : updatePixels()); + this.#updatePixels(pg); } } /** - * Loop through pixels and call the given callback function for every pixel - * without updating them (read-only mode). + * Loop through pixels and call the given callback function for every pixel without updating them (read-only mode). * - * In contrast to the `tinkerPixels` function, no pixel manipulations are - * performed with `loopPixels`. In other words `loopPixels` has the same - * effect as using `tinkerPixels` in read-only mode. + * In contrast to the `tinkerPixels` function, no pixel manipulations are performed with `loopPixels`. + * In other words `loopPixels` has the same effect as using `tinkerPixels` in read-only mode. * - * The callback function exposes two arguments: - * - index: the current pixel index - * - total: the total indexes count + * The callback function provides two arguments: + * 1. index: the current pixel index + * 2. total: the total indexes count * * @example * @@ -302,10 +311,8 @@ class P5Grain { * * @method loopPixels * - * @param {Function} callback The callback function that should be called - * on every pixel. - * @param {p5.Graphics} [pg] The offscreen graphics buffer whose pixels - * should be looped. + * @param {Function} callback The callback function that should be called on every pixel. + * @param {p5.Graphics|p5.Image} [pg] The offscreen graphics buffer or image whose pixels should be looped. */ loopPixels(callback, pg) { /** @internal */ @@ -315,39 +322,35 @@ class P5Grain { } /** - * Animate the given texture element by randomly shifting its background - * position. + * Animate the given texture element by randomly shifting its background position. * * @method textureAnimate * - * @param {HTMLElement|SVGElement|p5.Element} textureElement The texture element to be - * animated. - * @param {Object} [config] Config object to configure the texture - * animation. - * @param {Number} [config.atFrame] The frame at which the texture should - * be shifted. When atFrame isn't specified, the texture is shifted - * every 2nd frame. - * @param {Number} [config.amount] The maximum amount of pixels by which - * the texture should be shifted. The actual amount of pixels which - * the texture is shifted by is generated randomly. When no - * amount is specified, the minimum of the main canvas - * width or height is used. + * @param {HTMLElement|SVGElement|p5.Element} textureElement The texture element to be animated. + * @param {Object} [config] Config object to configure the texture animation. + * @param {Number} [config.atFrame] The frame at which the texture should be shifted. + * When atFrame isn't specified, the texture is shifted every second frame. (default: `2`) + * @param {Number} [config.amount] The maximum amount of pixels by which the texture should be shifted. + * The actual amount of pixels which the texture is shifted by is generated randomly. + * When no amount is specified, the minimum of the main canvas width or height is used. (default: `min(width, height)`) */ textureAnimate(textureElement, config) { /** @internal */ if (!this.#validateArguments('textureAnimate', arguments)) return; /** @end */ - const _atFrame = config && config.atFrame - ? (this.instance ? this.instance.round(config.atFrame) : round(config.atFrame)) : 2; - this.#textureAnimate.frameCount += 1; - if (this.#textureAnimate.frameCount >= _atFrame) { + const _atFrame = config && config.atFrame ? Math.round(config.atFrame) : 2; + this.#textureAnimate_frameCount += 1; + if (this.#textureAnimate_frameCount >= _atFrame) { const _amount = config && config.amount - ? (this.instance ? this.instance.round(config.amount) : round(config.amount)) - : (this.instance ? this.instance.min(this.instance.width, this.instance.height) : min(width, height)); + ? Math.round(config.amount) + : (this.#instance + ? Math.min(this.#instance.width, this.#instance.height) + : Math.min(width, height) + ); const bgPosX_rand = this.#random() * _amount; const bgPosY_rand = this.#random() * _amount; - const bgPosX = this.instance ? this.instance.floor(bgPosX_rand) : floor(bgPosX_rand); - const bgPosY = this.instance ? this.instance.floor(bgPosY_rand) : floor(bgPosY_rand); + const bgPosX = Math.trunc(bgPosX_rand); + const bgPosY = Math.trunc(bgPosY_rand); const bgPos = `${bgPosX}px ${bgPosY}px`; if (textureElement instanceof HTMLElement) { textureElement.style.backgroundPosition = bgPos; @@ -357,47 +360,33 @@ class P5Grain { } else if (textureElement instanceof p5.Element) { textureElement.style('background-position', bgPos); } - this.#textureAnimate.frameCount = 0; + this.#textureAnimate_frameCount = 0; } } /** * Blend the given texture image onto the canvas. * - * The texture is repeated along the horizontal and vertical axes to cover - * the entire canvas or context. + * The texture is repeated along the horizontal and vertical axes to cover the entire canvas or context. * * @method textureOverlay * * @param {p5.Image} texture The texture image to blend over. * @param {Object} [config] Config object to configure the texture overlay. - * @param {Number} [config.width] The width the texture image should have. - * When no width is specified, the width of the texture image is - * assumed. - * @param {Number} [config.height] The height the texture image should - * have. When no height is specified, the height of the texture - * image is assumed. - * @param {Constant} [config.mode] The blend mode that should be used to - * blend the texture over the canvas. - * Either BLEND, DARKEST, LIGHTEST, DIFFERENCE, MULTIPLY, EXCLUSION, - * SCREEN, REPLACE, OVERLAY, HARD_LIGHT, SOFT_LIGHT, DODGE, BURN, - * ADD or NORMAL. When no mode is specified, the blend mode - * MULTIPLY will be used. - * @param {Boolean} [config.reflect] Specifies whether the given texture - * image should reflect horizontally and vertically, in order to - * provide seamless continuity. - * @param {Boolean|Object} [config.animate] Specifies whether the given - * texture image should be animated. - * @param {Number} [config.animate.atFrame] When animation is activated, - * the frame at which the texture should be shifted. When atFrame - * isn't specified, the texture is shifted every 2nd frame. - * @param {Number} [config.animate.amount] When animation is activated, - * the maximum amount of pixels by which the texture should be - * shifted. The actual amount of pixels which the texture is - * shifted by is generated randomly. When no amount is specified, - * the minimum of the main canvas width or height is used. - * @param {p5.Graphics} [pg] The offscreen graphics buffer onto which the - * texture image should be drawn. + * @param {Number} [config.width] The width the texture image should have. (default: textureImage.width`) + * @param {Number} [config.height] The height the texture image should have. (default: `textureImage.height`) + * @param {Constant} [config.mode] The blend mode that should be used to blend the texture over the canvas. + * Either BLEND, DARKEST, LIGHTEST, DIFFERENCE, MULTIPLY, EXCLUSION, SCREEN, REPLACE, OVERLAY, HARD_LIGHT, + * SOFT_LIGHT, DODGE, BURN, ADD or NORMAL. (default: MULTIPLY) + * @param {Boolean} [config.reflect] Specifies whether the given texture image should reflect horizontally and + * vertically, in order to provide seamless continuity. (default: `false`) + * @param {Boolean|Object} [config.animate] Specifies whether the given texture image should be animated. (default: `false`) + * @param {Number} [config.animate.atFrame] When animating, the frame at which the texture should be shifted. + * When atFrame isn't specified, the texture is shifted every second frame. (default: `2`) + * @param {Number} [config.animate.amount] When animating, the maximum amount of pixels by which the texture + * should be shifted. The actual amount of pixels which the texture is shifted by is generated randomly. + * When no amount is specified, the minimum of the main canvas width or height is used. (default: `min(width, height)`) + * @param {p5.Graphics} [pg] The offscreen graphics buffer onto which the texture image should be drawn. */ textureOverlay(textureImage, config, pg) { /** @internal */ @@ -405,27 +394,35 @@ class P5Grain { /** @end */ // flag whether drawing onto an offset graphics buffer const isGraphicsBuffer = pg instanceof p5.Graphics; - // width of the canvas or context - const _width = isGraphicsBuffer ? pg.width : (this.instance ? this.instance.width : width); - // height of the canvas or context - const _height = isGraphicsBuffer ? pg.height : (this.instance ? this.instance.height : height); + // width and height of the canvas or context + let _width, _height; + if (isGraphicsBuffer) { + _width = pg.width; + _height = pg.height; + } else { + if (this.#instance) { + _width = this.#instance.width; + _height = this.#instance.height; + } else { + _width = width; + _height = height; + } + } // blend mode used to blend the texture over the canvas or context - const _mode = config && config.mode ? config.mode : (this.instance ? this.instance.MULTIPLY : MULTIPLY); + const _mode = config && config.mode ? config.mode : (this.#instance ? this.#instance.MULTIPLY : MULTIPLY); // should reflect flag const _reflect = config && config.reflect ? config.reflect : false; // should animate flag const _animate = config && config.animate ? config.animate : false; // animate atFrame const _animateAtFrame = ( - config && config.animate && config.animate.atFrame - ? (this.instance ? this.instance.round(config.animate.atFrame) : round(config.animate.atFrame)) - : 2 + config && config.animate && config.animate.atFrame ? Math.round(config.animate.atFrame) : 2 ); // animate amount const _animateAmount = ( config && config.animate && config.animate.amount - ? (this.instance ? this.instance.round(config.animate.amount) : round(config.animate.amount)) - : (this.instance ? this.instance.min(_width, _height) : min(_width, _height)) + ? Math.round(config.animate.amount) + : Math.min(_width, _height) ); // texture width const tW = config && typeof config.width === 'number' ? config.width : textureImage.width; @@ -433,50 +430,52 @@ class P5Grain { const tH = config && typeof config.height === 'number' ? config.height : textureImage.height; // animate the texture coordinates if (_animate) { - this.#textureOverlay.frameCount += 1; - if (this.#textureOverlay.frameCount >= _animateAtFrame) { + this.#textureOverlay_frameCount += 1; + if (this.#textureOverlay_frameCount >= _animateAtFrame) { const tX_rand = this.#random() * _animateAmount; const tY_rand = this.#random() * _animateAmount; - this.#textureOverlay.tX_anchor = ( - this.instance ? -this.instance.floor(tX_rand) : -floor(tX_rand) - ); - this.#textureOverlay.tY = ( - this.instance ? -this.instance.floor(tY_rand) : -floor(tY_rand) - ); - this.#textureOverlay.frameCount = 0; + this.#textureOverlay_tX = -Math.trunc(tX_rand); + this.#textureOverlay_tY = -Math.trunc(tY_rand); + this.#textureOverlay_frameCount = 0; } } // texture current start x-coordinate - let tX = this.#textureOverlay.tX_anchor; + let tX = this.#textureOverlay_tX; // texture current start y-coordinate - let tY = this.#textureOverlay.tY; + let tY = this.#textureOverlay_tY; // flag that the first texture row is currently drawn let tRowFirst = true; // flag that the first texture column is currently drawn let tColFirst = true; - pg ? pg.blendMode(_mode) : (this.instance ? this.instance.blendMode(_mode) : blendMode(_mode)); + if (pg) { + pg.blendMode(_mode); + } else if (this.#instance) { + this.#instance.blendMode(_mode); + } else { + blendMode(_mode); + } while (tY < _height) { while (tX < _width) { if (_reflect) { if (!isGraphicsBuffer) { - this.instance ? this.instance.push() : push(); + this.#instance ? this.#instance.push() : push(); } else { pg.push(); } if (tRowFirst) { if (tColFirst) { if (!isGraphicsBuffer) { - this.instance - ? this.instance.image(textureImage, tX, tY, tW, tH) + this.#instance + ? this.#instance.image(textureImage, tX, tY, tW, tH) : image(textureImage, tX, tY, tW, tH); } else { pg.image(textureImage, tX, tY, tW, tH); } } else { // tColSecond if (!isGraphicsBuffer) { - if (this.instance) { - this.instance.scale(-1, 1); - this.instance.image(textureImage, -tX, tY, -tW, tH) + if (this.#instance) { + this.#instance.scale(-1, 1); + this.#instance.image(textureImage, -tX, tY, -tW, tH) } else { scale(-1, 1); image(textureImage, -tX, tY, -tW, tH); @@ -489,9 +488,9 @@ class P5Grain { } else { // tRowSecond if (tColFirst) { if (!isGraphicsBuffer) { - if (this.instance) { - this.instance.scale(1, -1); - this.instance.image(textureImage, tX, -tY, tW, -tH); + if (this.#instance) { + this.#instance.scale(1, -1); + this.#instance.image(textureImage, tX, -tY, tW, -tH); } else { scale(1, -1); image(textureImage, tX, -tY, tW, -tH); @@ -502,9 +501,9 @@ class P5Grain { } } else { // tColSecond if (!isGraphicsBuffer) { - if (this.instance) { - this.instance.scale(-1, -1); - this.instance.image(textureImage, -tX, -tY, -tW, -tH); + if (this.#instance) { + this.#instance.scale(-1, -1); + this.#instance.image(textureImage, -tX, -tY, -tW, -tH); } else { scale(-1, -1); image(textureImage, -tX, -tY, -tW, -tH); @@ -516,14 +515,14 @@ class P5Grain { } } if (!isGraphicsBuffer) { - this.instance ? this.instance.pop() : pop(); + this.#instance ? this.#instance.pop() : pop(); } else { pg.pop(); } } else { if (!isGraphicsBuffer) { - this.instance - ? this.instance.image(textureImage, tX, tY, tW, tH) + this.#instance + ? this.#instance.image(textureImage, tX, tY, tW, tH) : image(textureImage, tX, tY, tW, tH); } else { pg.image(textureImage, tX, tY, tW, tH); @@ -532,7 +531,7 @@ class P5Grain { tX += tW; if (tX >= _width) { tColFirst = true; - tX = this.#textureOverlay.tX_anchor; + tX = this.#textureOverlay_tX; tY += tH; break; } else { @@ -542,9 +541,13 @@ class P5Grain { tRowFirst = !tRowFirst; } // reset blend mode - pg - ? pg.blendMode(this.instance ? this.instance.BLEND : BLEND) - : (this.instance ? this.instance.blendMode(this.instance.BLEND) : blendMode(BLEND)); + if (pg) { + pg.blendMode(this.#instance ? this.#instance.BLEND : BLEND) + } else if (this.#instance) { + this.#instance.blendMode(this.#instance.BLEND); + } else { + blendMode(BLEND); + } // reset context if (isGraphicsBuffer) { pg.reset(); @@ -552,26 +555,100 @@ class P5Grain { } - /******************** - * Internal methods * - ********************/ + /******************* + * Private methods * + *******************/ /** - * Generate a random integer between given bounds inclusively. + * Prepare the random mode. * * @private - * @method randomIntInclusive + * @method prepareRandomMode * - * @param {Number} min Min value that may be generated. - * @param {Number} max Max value that may be generated. + * @param {String} mode The mode in which the internal random function should operate. + */ + #prepareRandomMode(mode) { + switch (mode) { + case 'int': + this.#randomMode = 1; + this.#randomMinMax = this.#randomInt; + break; + case 'float': + this.#randomMode = 0; + this.#randomMinMax = this.#randomFloat; + break; + default: break; + } + } + + /** + * Prepare the random bounds based on the `randomMode`. + * + * @private + * @method prepareRandomBounds + * + * @param {Number} min The lower bounds. + * @param {Number} max The upper bounds. + * @returns {Array} + */ + #prepareRandomBounds(min, max) { + if (this.#randomMode == 1) { // randomInt + return [Math.ceil(min), Math.floor(max)]; + } + return [min, max]; // randomFloat + } + + /** + * Generate a random integer between the prepared bounds inclusively. + * + * @private + * @method randomInt + * + * @param {Number} min The lower bounds. + * @param {Number} max The upper bounds. * @returns {Number} */ - #randomIntInclusive(min, max) { - min = Math.ceil(min); - max = Math.floor(max); + #randomInt(min, max) { return Math.floor(this.#random() * (max - min + 1) + min); } + /** + * Generate a random float between the prepared bounds. + * + * @private + * @method randomFloat + * + * @param {Number} min The lower bounds. + * @param {Number} max The upper bounds. + * @returns {Number} + */ + #randomFloat(min, max) { + return this.#random() * (max - min) + min; + } + + /** + * Updates the pixels at the appropriate source (global cointext, offscreen buffer, instance). + * + * @private + * @method updatePixels + * + * @param {p5.Graphics|p5.Image} [pg] The offscreen graphics buffer or image whose pixels should be updated. + */ + #updatePixels(pg) { + if (pg) { + pg.updatePixels(); + } else if (this.#instance) { + this.#instance.updatePixels(); + } else { + updatePixels(); + } + } + + + /******************** + * Internal methods * + ********************/ + /** @internal */ /** * Logs the given message as an error to the console and returns `false`. @@ -583,13 +660,26 @@ class P5Grain { * @returns {Boolean} `false` */ #error(message) { - console.error(message); + console.error(`[p5.grain] Error: ${message}`); return false; } /** - * Checks the validity of the given arguments to the respective method. - * Unless ignoreErrors is false, errors will be thrown when necessary. + * Logs the given message as a warning to the console. + * + * @private + * @method _warn + * + * @param {String} message The warning message to be logged to the console. + */ + _warn(message) { + console.warn(`[p5.grain] Warning: ${message}`); + } + + /** + * Checks the validity of the given arguments to the respective method. + * + * Unless `ignoreErrors` is `false`, errors will be thrown when necessary. * * @private * @method validateArguments @@ -609,71 +699,75 @@ class P5Grain { typeof args[0] !== 'undefined' && typeof args[0] !== 'object' ) { - return this.#error(`[p5.grain] The optional config argument passed to p5grain.${method}() must be of type object.`); + return this.#error(`The optional config argument passed to p5grain.${method}() must be of type object.`); } if (typeof args[0] === 'object') { if ( typeof args[0].random !== 'undefined' && typeof args[0].random !== 'function' ) { - return this.#error(`[p5.grain] The optional config.random property passed to p5grain.${method}() must be of type function.`); + return this.#error(`The optional config.random property passed to p5grain.${method}() must be of type function.`); + } + if ( + typeof args[0].randomMode !== 'undefined' + && !(args[0].randomMode === 'int' || args[0].randomMode === 'float') + ) { + return this.#error(`The optional config.randomMode property passed to p5grain.${method}() must be either 'int' or 'float'.`); } if ( typeof args[0].ignoreErrors !== 'undefined' && typeof args[0].ignoreErrors !== 'boolean' ) { - return this.#error(`[p5.grain] The optional config.ignoreErrors property passed to p5grain.${method}() must be of type boolean.`); + return this.#error(`The optional config.ignoreErrors property passed to p5grain.${method}() must be of type boolean.`); } if ( typeof args[0].ignoreWarnings !== 'undefined' && typeof args[0].ignoreWarnings !== 'boolean' ) { - return this.#error(`[p5.grain] The optional config.ignoreWarnings property passed to p5grain.${method}() must be of type boolean.`); + return this.#error(`The optional config.ignoreWarnings property passed to p5grain.${method}() must be of type boolean.`); } if ( typeof args[0].instance !== 'undefined' && typeof args[0].instance !== 'object' ) { - return this.#error(`[p5.grain] The optional config.instance property passed to p5grain.${method}() must be of type object.`); + return this.#error(`The optional config.instance property passed to p5grain.${method}() must be either of type object or null.`); } } break; - case 'granulateSimple': case 'applyMonochromaticGrain': - case 'granulateChannels': case 'applyChromaticGrain': if (typeof args[0] !== 'number') { - return this.#error(`[p5.grain] The amount argument passed to ${method}() must be of type number.`); + return this.#error(`The amount argument passed to ${method}() must be of type number.`); } if ( typeof args[1] !== 'undefined' && typeof args[1] !== 'boolean' ) { - return this.#error(`[p5.grain] The optional alpha argument passed to ${method}() must be of type boolean.`); + return this.#error(`The optional alpha argument passed to ${method}() must be of type boolean.`); } if ( typeof args[2] !== 'undefined' - && !(args[2] instanceof p5.Graphics) + && !(args[2] instanceof p5.Graphics || args[2] instanceof p5.Image) ) { - return this.#error(`[p5.grain] The offscreen graphics buffer for ${method}() must be an instance of p5.Graphics.`); + return this.#error(`The offscreen graphics buffer for ${method}() must be an instance of p5.Graphics or p5.Image.`); } break; case 'tinkerPixels': case 'loopPixels': if (typeof args[0] !== 'function') { - return this.#error(`[p5.grain] The callback argument passed to ${method}() must be of type function.`); + return this.#error(`The callback argument passed to ${method}() must be of type function.`); } if ( typeof args[1] !== 'undefined' && typeof args[1] !== 'boolean' ) { - return this.#error(`[p5.grain] The optional shouldUpdate argument for ${method}() must be an instance of boolean.`); + return this.#error(`The optional shouldUpdate argument for ${method}() must be an instance of boolean.`); } if ( typeof args[2] !== 'undefined' - && !(args[2] instanceof p5.Graphics) + && !(args[2] instanceof p5.Graphics || args[2] instanceof p5.Image) ) { - return this.#error(`[p5.grain] The offscreen graphics buffer for ${method}() must be an instance of p5.Graphics.`); + return this.#error(`The offscreen graphics buffer for ${method}() must be an instance of p5.Graphics or p5.Image.`); } break; case 'textureAnimate': @@ -684,70 +778,70 @@ class P5Grain { || args[0] instanceof p5.Element ) ) { - return this.#error(`[p5.grain] The textureElement argument passed to ${method}() must be an instance of HTMLElement, SVGElement or p5.Element.`); + return this.#error(`The textureElement argument passed to ${method}() must be an instance of HTMLElement, SVGElement or p5.Element.`); } if ( typeof args[1] !== 'undefined' && typeof args[1] !== 'object' ) { - return this.#error(`[p5.grain] The optional config argument passed to ${method}() must be of type object.`); + return this.#error(`The optional config argument passed to ${method}() must be of type object.`); } if (typeof args[1] === 'object') { if ( typeof args[1].atFrame !== 'undefined' && typeof args[1].atFrame !== 'number' ) { - return this.#error(`[p5.grain] The optional config.atFrame property passed to ${method}() must be of type number.`); + return this.#error(`The optional config.atFrame property passed to ${method}() must be of type number.`); } if ( typeof args[1].amount !== 'undefined' && typeof args[1].amount !== 'number' ) { - return this.#error(`[p5.grain] The optional config.amount argument passed to ${method}() must be of type number.`); + return this.#error(`The optional config.amount argument passed to ${method}() must be of type number.`); } } break; case 'textureOverlay': if (!(args[0] instanceof p5.Image)) { - return this.#error(`[p5.grain] The texture argument passed to ${method}() must be an instance of p5.Image.`); + return this.#error(`The texture argument passed to ${method}() must be an instance of p5.Image.`); } if ( typeof args[1] !== 'undefined' && typeof args[1] !== 'object' ) { - return this.#error(`[p5.grain] The optional config argument passed to ${method}() must be of type object.`); + return this.#error(`The optional config argument passed to ${method}() must be of type object.`); } if (typeof args[1] === 'object') { if ( typeof args[1].width !== 'undefined' && typeof args[1].width !== 'number' ) { - return this.#error(`[p5.grain] The optional config.width property passed to ${method}() must be of type number.`); + return this.#error(`The optional config.width property passed to ${method}() must be of type number.`); } if ( typeof args[1].height !== 'undefined' && typeof args[1].height !== 'number' ) { - return this.#error(`[p5.grain] The optional config.height property passed to ${method}() must be of type number.`); + return this.#error(`The optional config.height property passed to ${method}() must be of type number.`); } if ( typeof args[1].mode !== 'undefined' && typeof args[1].mode !== 'string' ) { - return this.#error(`[p5.grain] The optional config.mode property passed to ${method}() must be of type string.`); + return this.#error(`The optional config.mode property passed to ${method}() must be of type string.`); } if ( typeof args[1].reflect !== 'undefined' && typeof args[1].reflect !== 'boolean' ) { - return this.#error(`[p5.grain] The optional config.reflect property passed to ${method}() must be of type boolean.`); + return this.#error(`The optional config.reflect property passed to ${method}() must be of type boolean.`); } } if ( typeof args[2] !== 'undefined' && !(args[2] instanceof p5.Graphics) ) { - return this.#error(`[p5.grain] The offscreen graphics buffer for ${method}() must be an instance of p5.Graphics.`); + return this.#error(`The offscreen graphics buffer for ${method}() must be an instance of p5.Graphics.`); } break; default: break; @@ -760,50 +854,6 @@ class P5Grain { const p5grain = new P5Grain(); -// Register deprecated granulateSimple() -/** @internal */ -if (!p5.prototype.hasOwnProperty('granulateSimple')) { /** @end */ - p5.prototype.granulateSimple = function (amount, alpha) { - return p5grain.granulateSimple(amount, alpha); - }; -/** @internal */ -} else if (!p5grain.ignoreWarnings) { - console.warn('[p5.grain] granulateSimple() could not be registered, since it\'s already defined. Use p5grain.applyMonochromaticGrain() instead.'); -} /** @end */ - -// Register deprecated p5.Graphics.granulateSimple() -/** @internal */ -if (!p5.Graphics.prototype.hasOwnProperty('granulateSimple')) { /** @end */ - p5.Graphics.prototype.granulateSimple = function (amount, alpha) { - return p5grain.granulateSimple(amount, alpha, this); - }; -/** @internal */ -} else if (!p5grain.ignoreWarnings) { - console.warn('[p5.grain] p5.Graphics.granulateSimple() could not be registered, since it\'s already defined. Use p5grain.applyMonochromaticGrain(amount, alpha, pg) instead.'); -} /** @end */ - -// Register deprecated granulateChannels() -/** @internal */ -if (!p5.prototype.hasOwnProperty('granulateChannels')) { /** @end */ - p5.prototype.granulateChannels = function (amount, alpha) { - return p5grain.granulateChannels(amount, alpha); - }; -/** @internal */ -} else if (!p5grain.ignoreWarnings) { - console.warn('[p5.grain] granulateChannels() could not be registered, since it\'s already defined. Use p5grain.applyChromaticGrain() instead.'); -} /** @end */ - -// Register deprecated p5.Graphics.granulateChannels() -/** @internal */ -if (!p5.Graphics.prototype.hasOwnProperty('granulateChannels')) { /** @end */ - p5.Graphics.prototype.granulateChannels = function (amount, alpha) { - return p5grain.granulateChannels(amount, alpha, this); - }; -/** @internal */ -} else if (!p5grain.ignoreWarnings) { - console.warn('[p5.grain] p5.Graphics.granulateChannels() could not be registered, since it\'s already defined. Use p5grain.applyChromaticGrain(amount, alpha, pg) instead.'); -} /** @end */ - // Register applyMonochromaticGrain() /** @internal */ if (!p5.prototype.hasOwnProperty('applyMonochromaticGrain')) { /** @end */ @@ -812,7 +862,7 @@ if (!p5.prototype.hasOwnProperty('applyMonochromaticGrain')) { /** @end */ }; /** @internal */ } else if (!p5grain.ignoreWarnings) { - console.warn('[p5.grain] applyMonochromaticGrain() could not be registered, since it\'s already defined. Use p5grain.applyMonochromaticGrain() instead.'); + p5grain._warn('applyMonochromaticGrain() could not be registered, since it\'s already defined. Use p5grain.applyMonochromaticGrain() instead.'); } /** @end */ // Register p5.Graphics.applyMonochromaticGrain() @@ -823,7 +873,18 @@ if (!p5.Graphics.prototype.hasOwnProperty('applyMonochromaticGrain')) { /** @end }; /** @internal */ } else if (!p5grain.ignoreWarnings) { - console.warn('[p5.grain] p5.Graphics.applyMonochromaticGrain() could not be registered, since it\'s already defined. Use p5grain.applyMonochromaticGrain(amount, alpha, pg) instead.'); + p5grain._warn('p5.Graphics.applyMonochromaticGrain() could not be registered, since it\'s already defined. Use p5grain.applyMonochromaticGrain(amount, alpha, pg) instead.'); +} /** @end */ + +// Register p5.Image.applyMonochromaticGrain() +/** @internal */ +if (!p5.Image.prototype.hasOwnProperty('applyMonochromaticGrain')) { /** @end */ + p5.Image.prototype.applyMonochromaticGrain = function (amount, alpha) { + return p5grain.applyMonochromaticGrain(amount, alpha, this); + }; +/** @internal */ +} else if (!p5grain.ignoreWarnings) { + p5grain._warn('p5.Image.applyMonochromaticGrain() could not be registered, since it\'s already defined. Use p5grain.applyMonochromaticGrain(amount, alpha, img) instead.'); } /** @end */ // Register applyChromaticGrain() @@ -834,7 +895,7 @@ if (!p5.prototype.hasOwnProperty('applyChromaticGrain')) { /** @end */ }; /** @internal */ } else if (!p5grain.ignoreWarnings) { - console.warn('[p5.grain] applyChromaticGrain() could not be registered, since it\'s already defined. Use p5grain.applyChromaticGrain() instead.'); + p5grain._warn('applyChromaticGrain() could not be registered, since it\'s already defined. Use p5grain.applyChromaticGrain() instead.'); } /** @end */ // Register p5.Graphics.applyChromaticGrain() @@ -845,7 +906,18 @@ if (!p5.Graphics.prototype.hasOwnProperty('applyChromaticGrain')) { /** @end */ }; /** @internal */ } else if (!p5grain.ignoreWarnings) { - console.warn('[p5.grain] p5.Graphics.applyChromaticGrain() could not be registered, since it\'s already defined. Use p5grain.applyChromaticGrain(amount, alpha, pg) instead.'); + p5grain._warn('p5.Graphics.applyChromaticGrain() could not be registered, since it\'s already defined. Use p5grain.applyChromaticGrain(amount, alpha, pg) instead.'); +} /** @end */ + +// Register p5.Image.applyChromaticGrain() +/** @internal */ +if (!p5.Image.prototype.hasOwnProperty('applyChromaticGrain')) { /** @end */ + p5.Image.prototype.applyChromaticGrain = function (amount, alpha) { + return p5grain.applyChromaticGrain(amount, alpha, this); + }; +/** @internal */ +} else if (!p5grain.ignoreWarnings) { + p5grain._warn('p5.Image.applyChromaticGrain() could not be registered, since it\'s already defined. Use p5grain.applyChromaticGrain(amount, alpha, img) instead.'); } /** @end */ // Register tinkerPixels() @@ -856,7 +928,7 @@ if (!p5.prototype.hasOwnProperty('tinkerPixels')) { /** @end */ }; /** @internal */ } else if (!p5grain.ignoreWarnings) { - console.warn('[p5.grain] tinkerPixels() could not be registered, since it\'s already defined. Use p5grain.tinkerPixels() instead.'); + p5grain._warn('tinkerPixels() could not be registered, since it\'s already defined. Use p5grain.tinkerPixels() instead.'); } /** @end */ // Register p5.Graphics.tinkerPixels() @@ -867,7 +939,18 @@ if (!p5.Graphics.prototype.hasOwnProperty('tinkerPixels')) { /** @end */ }; /** @internal */ } else if (!p5grain.ignoreWarnings) { - console.warn('[p5.grain] p5.Graphics.tinkerPixels() could not be registered, since it\'s already defined. Use p5grain.tinkerPixels(callback, shouldUpdate, pg) instead.'); + p5grain._warn('p5.Graphics.tinkerPixels() could not be registered, since it\'s already defined. Use p5grain.tinkerPixels(callback, shouldUpdate, pg) instead.'); +} /** @end */ + +// Register p5.Image.tinkerPixels() +/** @internal */ +if (!p5.Image.prototype.hasOwnProperty('tinkerPixels')) { /** @end */ + p5.Image.prototype.tinkerPixels = function (callback, shouldUpdate) { + return p5grain.tinkerPixels(callback, shouldUpdate, this); + }; +/** @internal */ +} else if (!p5grain.ignoreWarnings) { + p5grain._warn('p5.Image.tinkerPixels() could not be registered, since it\'s already defined. Use p5grain.tinkerPixels(callback, shouldUpdate, img) instead.'); } /** @end */ // Register loopPixels() @@ -878,7 +961,7 @@ if (!p5.prototype.hasOwnProperty('loopPixels')) { /** @end */ }; /** @internal */ } else if (!p5grain.ignoreWarnings) { - console.warn('[p5.grain] loopPixels() could not be registered, since it\'s already defined. Use p5grain.loopPixels() instead.'); + p5grain._warn('loopPixels() could not be registered, since it\'s already defined. Use p5grain.loopPixels() instead.'); } /** @end */ // Register p5.Graphics.loopPixels() @@ -889,7 +972,18 @@ if (!p5.Graphics.prototype.hasOwnProperty('loopPixels')) { /** @end */ }; /** @internal */ } else if (!p5grain.ignoreWarnings) { - console.warn('[p5.grain] p5.Graphics.loopPixels() could not be registered, since it\'s already defined. Use p5grain.loopPixels(callback, pg) instead.'); + p5grain._warn('p5.Graphics.loopPixels() could not be registered, since it\'s already defined. Use p5grain.loopPixels(callback, pg) instead.'); +} /** @end */ + +// Register p5.Image.loopPixels() +/** @internal */ +if (!p5.Image.prototype.hasOwnProperty('loopPixels')) { /** @end */ + p5.Image.prototype.loopPixels = function (callback, shouldUpdate) { + return p5grain.loopPixels(callback, shouldUpdate, this); + }; +/** @internal */ +} else if (!p5grain.ignoreWarnings) { + p5grain._warn('p5.Image.loopPixels() could not be registered, since it\'s already defined. Use p5grain.loopPixels(callback, img) instead.'); } /** @end */ // Register textureAnimate() @@ -900,7 +994,7 @@ if (!p5.prototype.hasOwnProperty('textureAnimate')) { /** @end */ }; /** @internal */ } else if (!p5grain.ignoreWarnings) { - console.warn('[p5.grain] textureAnimate() could not be registered, since it\'s already defined. Use p5grain.textureAnimate() instead.'); + p5grain._warn('textureAnimate() could not be registered, since it\'s already defined. Use p5grain.textureAnimate() instead.'); } /** @end */ // Register textureOverlay() @@ -911,7 +1005,7 @@ if (!p5.prototype.hasOwnProperty('textureOverlay')) { /** @end */ }; /** @internal */ } else if (!p5grain.ignoreWarnings) { - console.warn('[p5.grain] textureOverlay() could not be registered, since it\'s already defined. Use p5grain.textureOverlay() instead.'); + p5grain._warn('textureOverlay() could not be registered, since it\'s already defined. Use p5grain.textureOverlay() instead.'); } /** @end */ // Register p5.Graphics.textureOverlay() @@ -922,5 +1016,5 @@ if (!p5.Graphics.prototype.hasOwnProperty('textureOverlay')) { /** @end */ }; /** @internal */ } else if (!p5grain.ignoreWarnings) { - console.warn('[p5.grain] p5.Graphics.textureOverlay() could not be registered, since it\'s already defined. Use p5grain.textureOverlay(textureImage, config, pg) instead.'); + p5grain._warn('p5.Graphics.textureOverlay() could not be registered, since it\'s already defined. Use p5grain.textureOverlay(textureImage, config, pg) instead.'); } /** @end */ diff --git a/package-lock.json b/package-lock.json index 4109eda..e6d86a5 100644 --- a/package-lock.json +++ b/package-lock.json @@ -1,12 +1,12 @@ { "name": "p5.grain", - "version": "0.7.0", + "version": "0.8.0", "lockfileVersion": 3, "requires": true, "packages": { "": { "name": "p5.grain", - "version": "0.7.0", + "version": "0.8.0", "license": "MIT", "devDependencies": { "minify": "^9.2.0" @@ -138,9 +138,9 @@ } }, "node_modules/debug": { - "version": "4.3.4", - "resolved": "https://registry.npmjs.org/debug/-/debug-4.3.4.tgz", - "integrity": "sha512-PRWFHuSU3eDtQJPvnNY7Jcket1j0t5OuOsFzPPzsekD52Zl8qUfFIPEiswXqIvHWGVHOgX+7G/vCNNhehwxfkQ==", + "version": "4.3.5", + "resolved": "https://registry.npmjs.org/debug/-/debug-4.3.5.tgz", + "integrity": "sha512-pt0bNEmneDIvdL1Xsd9oDQ/wrQRkXDT4AUWlNZNPKvW5x/jyO9VFXkJUP07vQ2upmw5PlaITaPKc31jK13V+jg==", "dev": true, "dependencies": { "ms": "2.1.2" diff --git a/package.json b/package.json index 63100c8..bf7dc05 100644 --- a/package.json +++ b/package.json @@ -1,7 +1,7 @@ { "name": "p5.grain", - "version": "0.7.0", - "description": "p5.grain is a p5.js addon for conveniently applying grain and texture overlays to artworks.", + "version": "0.8.0", + "description": "p5.grain is a p5.js library for conveniently applying grain and texture overlays to artworks.", "author": "meezwhite", "license": "MIT", "main": "p5.grain.js", @@ -24,8 +24,10 @@ "noise", "texture", "creative-coding", - "fxhash", - "p5js" + "p5", + "p5.js", + "p5js", + "fxhash" ], "repository": { "type": "git",