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media-layers.html
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<!doctype html>
<html>
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1, user-scalable=no">
<meta name="mobile-web-app-capable" content="yes">
<meta name="apple-mobile-web-app-capable" content="yes">
<link rel="icon" type="image/png" sizes="32x32" href="favicon-32x32.png">
<link rel="icon" type="image/png" sizes="96x96" href="favicon-96x96.png">
<link rel="stylesheet" href="css/common.css">
<title>Media Layers</title>
<script src="https://cdnjs.cloudflare.com/ajax/libs/three.js/r121/three.min.js"
integrity="sha512-yNJzAsg5JyP91u+sLHlUDULMBd3hmEiVkYeeN1cQBKaLZ7EyT6oH2u5THNIRM2Fu6VKcZJv+F/QAp1h/qzy9Ow=="
crossorigin="anonymous"></script>
</head>
<body>
<header>
<details open>
<summary>Media Layers</summary>
<p>
Demonstrates using the Media Layers API to create a high-quality video player inside of an "immersive-vr" session.
<a class="back" href="./">Back</a>
</p>
<div id="container" style="font-family: monospace;">
<br />
<div id="media-0">
<label>Choose the media's layout (0):</label>
<select class="layoutselect">
<option value="./media/video/60fps.mp4">
mono
</option>
<option value="./media/video/bbb-sunflower-540p2-1min.webm">
stereo-top-bottom
</option>
</select>
<button type="button" onclick="window.addMediaButton()">+</button>
</div>
</div>
<p>Trigger = Squeeze = play / pause the video</p>
</details>
</header>
<main style="text-align: center;">
<p>Click "Enter VR" to see content</p>
</main>
<script>
window.mediaCounter = 0;
window.removeMediaSelector = (mediaCounter) => {
document.getElementById(`media-${mediaCounter}`).remove();
}
window.addMediaButton = () => {
const div = document.createElement("div");
const container = document.getElementById("container");
container.appendChild(div);
window.mediaCounter += 1;
div.id = `media-${window.mediaCounter}`;
div.innerHTML = `
<label>Choose the media's layout (${window.mediaCounter}):</label>
<select class="layoutselect">
<option value="./media/video/60fps.mp4">
mono
</option>
<option value="./media/video/bbb-sunflower-540p2-1min.webm">
stereo-top-bottom
</option>
</select>
<button type="button" onclick="window.removeMediaSelector(${window.mediaCounter})">−</button>
`;
}
</script>
<script type="module">
import { XRControllerModelFactory } from "https://unpkg.com/three/examples/jsm/webxr/XRControllerModelFactory.js";
import { XRHandModelFactory } from "https://unpkg.com/three/examples/jsm/webxr/XRHandModelFactory.js";
import { OrbitControls } from "https://unpkg.com/three/examples/jsm/controls/OrbitControls.js";
import { WebXRButton } from "./js/util/webxr-button.js";
import { QueryArgs } from "./js/util/query-args.js";
// This library matches XRInputSource profiles to available controller models for us.
import { fetchProfile } from "https://cdn.jsdelivr.net/npm/@webxr-input-profiles/[email protected]/dist/motion-controllers.module.js";
import { GLTFLoader } from "https://cdn.jsdelivr.net/npm/[email protected]/examples/jsm/loaders/GLTFLoader.js";
// The path of the CDN the sample will fetch controller models from.
const DEFAULT_PROFILES_PATH = "https://cdn.jsdelivr.net/npm/@webxr-input-profiles/[email protected]/dist/profiles";
// If requested, use the polyfill to provide support for mobile devices
// and devices which only support WebVR.
import WebXRPolyfill from "./js/third-party/webxr-polyfill/build/webxr-polyfill.module.js";
if (QueryArgs.getBool("usePolyfill", true)) {
let polyfill = new WebXRPolyfill();
}
let xrButton = null;
let refSpace = null;
let session = null;
let threeXrProjector = null;
let mediaPlayers = null;
let toolbar = null;
function initXR() {
xrButton = new WebXRButton({ onRequestSession, onEndSession });
document.querySelector("header").appendChild(xrButton.domElement);
if (navigator.xr) {
navigator.xr.isSessionSupported("immersive-vr").then(supported => {
xrButton.enabled = supported;
});
}
}
function onRequestSession() {
navigator.xr.requestSession("immersive-vr", {
requiredFeatures: ["layers", "local-floor"],
}).then(session => {
xrButton.setSession(session);
initializeSession(session);
});
}
async function initializeSession(session) {
toolbar = new Toolbar();
threeXrProjector = new ThreeXRProjector();
threeXrProjector.useProfileControllerMeshes(session);
mediaPlayers = await initializeMediaPlayers(session);
await threeXrProjector.initialize(session);
toolbar.initialize(session);
startSession(session);
}
async function initializeMediaPlayers(session) {
const mediaElements = document.querySelectorAll("#container div");
const mediaPlayers = Array.from(mediaElements).map(async (mediaElement) => {
const layoutSelect = document.querySelector(`#container #${mediaElement.id} .layoutselect`);
const { text, value } = layoutSelect.options[layoutSelect.selectedIndex];
const mediaPlayer = new MediaPlayer(text, value);
await mediaPlayer.initialize(session);
return mediaPlayer;
});
return await Promise.all(mediaPlayers);
}
async function startSession(session) {
session.requestReferenceSpace("local-floor")
.then(async (referenceSpace) => {
refSpace = referenceSpace;
await threeXrProjector.createProjectionLayer();
await toolbar.createQuadLayer(refSpace);
const mediaLayers = [];
const origin = new XRRigidTransform({ x: 0.0, y: 1.3, z: -2.75, w: 1.0 });
const originPlayer = mediaPlayers[0];
mediaPlayers.reverse();
originPlayer.createEquirectLayer(refSpace);
mediaLayers.push(originPlayer.equirectLayer);
for (const mediaPlayer of mediaPlayers) {
if (mediaPlayer === originPlayer) {
await mediaPlayer.createQuadLayer(refSpace, origin);
} else await mediaPlayer.createQuadLayer(refSpace);
mediaLayers.push(mediaPlayer.quadLayer);
}
const layers = mediaLayers.concat([threeXrProjector.projectionLayer, toolbar.quadLayer]);
for (let layer of layers) {
if (layer._mirror) {
if (layer._mirror._pinToCamera) threeXrProjector.addPinnedMirrorLayer(layer._mirror);
else threeXrProjector.addMirrorLayer(layer._mirror);
}
}
session.updateRenderState({ layers });
session.requestAnimationFrame(onAnimationFrame);
mediaPlayers.forEach(mediaPlayer => mediaPlayer.video.play());
});
}
function onAnimationFrame(time, frame) {
const pose = frame.getViewerPose(refSpace);
if (!pose) return;
toolbar.render(frame, pose);
threeXrProjector.render(frame, pose);
frame.session.requestAnimationFrame(onAnimationFrame);
}
function onEndSession(session) {
xrButton.setSession(null);
renderer = null;
}
class BaseXRLayer {
constructor() {
this.__BINDING_TYPE = null;
this.__LAYER_TYPES = null;
this.__xrWebGlBinding = null;
this.__xrMediaBinding = null;
this.__renderer = null;
this.__quadMediaLayer = null;
this.__quadWebGlLayer = null;
this.__equirectMediaLayer = null;
this.__equirectWebGlLayer = null;
this.__projectionWebGlLayer = null;
}
static get MEDIA_BINDING() { return "MEDIA_BINDING"; }
static get WEB_GL_BINDING() { return "WEB_GL_BINDING"; }
static get QUAD_LAYER() { return "QUAD_LAYER"; }
static get EQUIRECT_LAYER() { return "EQUIRECT_LAYER"; }
static get PROJECTION_LAYER() { return "PROJECTION_LAYER"; }
_makeSafe(object, error) {
if (!object) {
console.error(error);
return null;
}
return object;
}
get _BINDING_TYPE() {
this._makeSafe(this.__BINDING_TYPE, "");
if (this.__BINDING_TYPE !== BaseXRLayer.MEDIA_BINDING && this.__BINDING_TYPE !== BaseXRLayer.WEB_GL_BINDING) {
console.error("");
return null;
}
return this.__BINDING_TYPE;
}
set _BINDING_TYPE(bindingType) {
if (bindingType !== BaseXRLayer.MEDIA_BINDING && bindingType !== BaseXRLayer.WEB_GL_BINDING) {
console.error("");
return null;
}
this.__BINDING_TYPE = bindingType;
}
get _LAYER_TYPES() { return this._makeSafe(this.__LAYER_TYPES, ""); }
set _LAYER_TYPES(layerTypes) {
for (let layerType of layerTypes) {
if (![BaseXRLayer.QUAD_LAYER, BaseXRLayer.EQUIRECT_LAYER, BaseXRLayer.PROJECTION_LAYER].includes(layerType)) {
console.error("");
return null;
}
}
this.__LAYER_TYPES = layerTypes;
}
get _xrMediaBinding() { return this._makeSafe(this.__xrMediaBinding, ""); }
set _xrMediaBinding(xrMediaBinding) { this.__xrMediaBinding = xrMediaBinding; }
get _xrWebGlBinding() { return this._makeSafe(this.__xrWebGlBinding, ""); }
set _xrWebGlBinding(xrWebGlBinding) { this.__xrWebGlBinding = xrWebGlBinding; }
get _renderer() { return this._makeSafe(this.__renderer, ""); }
set _renderer(renderer) { this.__renderer = renderer; }
get quadLayer() {
if (this._BINDING_TYPE === BaseXRLayer.MEDIA_BINDING) {
return this._makeSafe(this.__quadMediaLayer, "");
} else if (this._BINDING_TYPE === BaseXRLayer.WEB_GL_BINDING) {
return this._makeSafe(this.__quadWebGlLayer, "");
}
}
get equirectLayer() {
if (this._BINDING_TYPE === BaseXRLayer.MEDIA_BINDING) {
return this._makeSafe(this.__equirectMediaLayer, "");
} else if (this._BINDING_TYPE === BaseXRLayer.WEB_GL_BINDING) {
return this._makeSafe(this.__equirectWebGlLayer, "");
}
}
get projectionLayer() {
if (this._BINDING_TYPE === BaseXRLayer.MEDIA_BINDING) {
console.error("");
return null;
} else if (this._BINDING_TYPE === BaseXRLayer.WEB_GL_BINDING) {
return this._makeSafe(this.__projectionWebGlLayer, "");
}
}
async _initializeXRBindings(session) {
if (this._BINDING_TYPE === BaseXRLayer.MEDIA_BINDING) {
this.__xrMediaBinding = new XRMediaBinding(session);
} else if (this._BINDING_TYPE === BaseXRLayer.WEB_GL_BINDING) {
const gl = this.__renderer.getContext();
await gl.makeXRCompatible();
this.__xrWebGlBinding = new XRWebGLBinding(session, gl);
}
}
async initialize(session) {
await this._initializeXRBindings(session);
}
createQuadLayer(refSpace, { transform, layout, video, viewPixelHeight, viewPixelWidth, height, width }) {
const space = refSpace.getOffsetReferenceSpace(new XRRigidTransform({ x: 0.0, y: 0.0, z: 0.0, w: 1.0 }));
if (this._BINDING_TYPE === BaseXRLayer.MEDIA_BINDING) {
this._makeSafe(video, "");
this.__quadMediaLayer = this._xrMediaBinding.createQuadLayer(video, {
layout,
transform,
space,
});
} else if (this.__BINDING_TYPE === BaseXRLayer.WEB_GL_BINDING) {
this.__quadWebGlLayer = this._xrWebGlBinding.createQuadLayer({
layout,
transform,
space,
width,
height,
viewPixelWidth,
viewPixelHeight,
});
}
}
createEquirectLayer(refSpace, { video }) {
if (this._BINDING_TYPE === BaseXRLayer.MEDIA_BINDING) {
this._makeSafe(video, "");
this.__equirectMediaLayer = this._xrMediaBinding.createEquirectLayer(video, { space: refSpace });
} else if (this.__BINDING_TYPE === BaseXRLayer.WEB_GL_BINDING) {
this.__equirectWebGlLayer = this._xrWebGlBinding.createEquirectLayer({ space: refSpace });
}
}
createProjectionLayer() {
if (this._BINDING_TYPE === BaseXRLayer.MEDIA_BINDING) {
console.error("");
return null;
} else if (this.__BINDING_TYPE === BaseXRLayer.WEB_GL_BINDING) {
this.__projectionWebGlLayer = this._xrWebGlBinding.createProjectionLayer({});
}
}
render(frame, pose) {
if (this._BINDING_TYPE !== BaseXRLayer.WEB_GL_BINDING) {
console.error("");
return null;
}
}
}
class RaycastableBaseXRLayer extends BaseXRLayer {
constructor() {
super();
this.__mirrorLayer = null;
this.__worldX = null;
this.__worldY = null;
this.__lastX = null;
this.__lastY = null;
}
get worldX() { return this.__worldX; }
get worldY() { return this.__worldY; }
get lastX() { return this.__lastX; }
get lastY() { return this.__lastY; }
get mirrorLayer() { return this.__mirrorLayer; }
createQuadLayer(refSpace, { transform, layout, video, viewPixelHeight, viewPixelWidth, height, width, pinToCamera }) {
super.createQuadLayer(refSpace, { transform, layout, video, viewPixelHeight, viewPixelWidth, height, width });
const geometry = new THREE.PlaneGeometry(this.quadLayer.width * 2, this.quadLayer.height * 2);
const material = new THREE.MeshBasicMaterial({ color: 0x4fb5ff, side: THREE.DoubleSide, opacity: 0.0 });
this.__mirrorLayer = new THREE.Mesh(geometry, material);
this.quadLayer._mirror = this.__mirrorLayer;
this.__mirrorLayer.name = "mirror";
this.__mirrorLayer._layer = this.quadLayer;
this.__mirrorLayer._pinToCamera = pinToCamera;
this.__mirrorLayer.position.x = this.quadLayer.transform.position.x;
this.__mirrorLayer.position.y = this.quadLayer.transform.position.y;
this.__mirrorLayer.position.z = this.quadLayer.transform.position.z;
this.quadLayer._onRaycasterDidIntersect = this._onRaycasterDidIntersect.bind(this);
}
_onRaycasterDidIntersect(localX, localY, worldX, worldY) {
if (!localX || !localY || !worldX || !worldY) {
this.__worldX = null;
this.__worldY = null;
this.__lastX = null;
this.__lastY = null;
return false;
}
this.__worldX = worldX;
this.__worldY = worldY;
this.__lastX = (localX + 1) / (2 / this.quadLayer.viewPixelWidth);
this.__lastY = -(localY + this.quadLayer.height) / (this.quadLayer.height * 2 / this.quadLayer.viewPixelHeight);
return true;
}
_onPress(evt) {
if (!this.lastX || !this.lastY) return false;
return true;
}
async initialize(session) {
session.addEventListener("squeeze", (evt) => this._onPress(evt));
session.addEventListener("select", (evt) => this._onPress(evt));
await super.initialize(session);
}
}
class ThreeXRProjector extends BaseXRLayer {
constructor() {
super();
this._BINDING_TYPE = BaseXRLayer.WEB_GL_BINDING;
this._LAYER_TYPES = [BaseXRLayer.PROJECTION_LAYER];
this.__renderer = new THREE.WebGLRenderer({
antialias: true,
alpha: true
});
const gl = this.__renderer.getContext();
this.__renderer.setPixelRatio(window.devicePixelRatio);
this.__renderer.setSize(window.innerWidth, window.innerHeight, false);
this.__renderer.outputEncoding = THREE.sRGBEncoding;
this.__renderer.shadowMap.enabled = true;
this.__renderer.xr.enabled = true;
this.__renderer.autoClear = false;
this._scene = new THREE.Scene();
this._scene.matrixAutoUpdate = false;
this._mirrorLayers = [];
this._pinnedMirrorLayers = [];
this._controllerMeshes = {};
this._framebuffer = gl.createFramebuffer();
this._camera = new THREE.PerspectiveCamera(50, window.innerWidth / window.innerHeight, 0.1, 10);
this._camera.matrixAutoUpdate = false;
this._camera.position.set(0, 1.6, 3);
this._controlsContainer = document.createElement("div");
this._controls = new OrbitControls(this._camera, this._controlsContainer);
this._controls.target.set(0, 1.6, 0);
this._controls.update();
const lights = this._createLights();
lights.map(light => this._scene.add(light));
this._scene.add(this._camera);
}
_createLights() {
const hemisphereLight = new THREE.HemisphereLight(0x808080, 0x606060);
const directionalLight = new THREE.DirectionalLight(0xffffff);
directionalLight.position.set(0, 6, 0);
directionalLight.castShadow = true;
directionalLight.shadow.camera.top = 2;
directionalLight.shadow.camera.bottom = - 2;
directionalLight.shadow.camera.right = 2;
directionalLight.shadow.camera.left = - 2;
directionalLight.shadow.mapSize.set(4096, 4096);
return [hemisphereLight, directionalLight];
}
async initialize(session) {
await super.initialize(session);
this._controlsContainer.appendChild(this.__renderer.domElement);
document.body.appendChild(this._controlsContainer);
}
addMirrorLayer(mirrorLayer) {
this._scene.add(mirrorLayer);
this._mirrorLayers.push(mirrorLayer);
}
addPinnedMirrorLayer(pinnedMirrorLayer) {
this._camera.add(pinnedMirrorLayer);
this._mirrorLayers.push(pinnedMirrorLayer);
this._pinnedMirrorLayers.push(pinnedMirrorLayer);
}
getController(targetRayMode, handedness) {
return this._controllerMeshes[`${targetRayMode}-${handedness}`];
}
useProfileControllerMeshes(session) {
const controllers = this._controllerMeshes;
const scene = this._scene;
session.addEventListener("inputsourceschange", event => {
for (let inputSource of event.added) {
if (inputSource.targetRayMode === "tracked-pointer") {
fetchProfile(inputSource, DEFAULT_PROFILES_PATH).then(({ profile, assetPath }) => {
new GLTFLoader().load(assetPath,
function (gltf) {
const cachedController = controllers[`${inputSource.targetRayMode}-${inputSource.handedness}`];
if (cachedController) {
scene.remove(cachedController._line);
scene.remove(cachedController);
}
controllers[`${inputSource.targetRayMode}-${inputSource.handedness}`] = gltf.scene;
const controller = gltf.scene.children[0];
const controllerCenter = new THREE.Box3().setFromObject(controller).getCenter(controller.position);
const lineGeometry = new THREE.BufferGeometry().setFromPoints([new THREE.Vector3(0, 0, 0), new THREE.Vector3(0, -1.25, 0)]);
const lineMaterial = new THREE.MeshBasicMaterial({ color: 0xffffff });
const line = new THREE.Line(lineGeometry, lineMaterial);
line.position.copy(controllerCenter);
line.matrixAutoUpdate = false;
gltf.scene.visible = true;
gltf.scene.matrixAutoUpdate = false;
gltf.scene._line = line;
scene.add(gltf.scene._line);
scene.add(gltf.scene);
},
function (xhr) {
console.log((xhr.loaded / xhr.total * 100) + "% loaded");
},
function (err) {
console.log("An error happened", err);
});
});
}
}
});
}
render(frame, pose) {
super.render(frame, pose);
this.__renderer.clear();
const gl = this.__renderer.getContext();
for (let inputSource of frame.session.inputSources) {
const { gripSpace, targetRaySpace, targetRayMode, handedness } = inputSource;
const targetRayPose = frame.getPose(targetRaySpace, refSpace);
const inputPose = frame.getPose(gripSpace, refSpace);
const controller = this._controllerMeshes[`${targetRayMode}-${handedness}`];
if (!inputPose || !controller) continue;
const grip = new THREE.Matrix4();
grip.fromArray(inputPose.transform.matrix);
controller.matrix.copy(grip);
const ray = new THREE.Matrix4();
ray.fromArray(targetRayPose.transform.matrix);
controller._line.matrix.copy(ray);
controller.matrix.copy(grip);
const laserLength = -2.5;
const rayMatrix = new THREE.Matrix4();
const rayMatrixWorld = new THREE.Matrix4();
rayMatrix.fromArray(targetRayPose.transform.matrix);
const raycaster = new THREE.Raycaster();
const raycasterOrigin = new THREE.Vector3();
const raycasterDestination = new THREE.Vector3(0, laserLength, 0);
rayMatrixWorld.multiplyMatrices(this._scene.matrixWorld, rayMatrix);
raycasterOrigin.setFromMatrixPosition(rayMatrixWorld);
raycaster.set(raycasterOrigin, raycasterDestination.transformDirection(rayMatrixWorld).normalize());
for (let mirrorLayer of this._mirrorLayers) {
mirrorLayer._layer._onRaycasterDidIntersect(null, null, null, null);
}
for (let intersect of raycaster.intersectObjects(this._scene.children, true)) {
if (intersect && intersect.object && intersect.object.name.includes("mirror")) {
const localPoint = intersect.point.clone();
const worldPoint = intersect.point.clone();
const localIntersectPoint = intersect.object.worldToLocal(localPoint);
const worldIntersectPoint = intersect.object.localToWorld(worldPoint);
intersect.object._layer._onRaycasterDidIntersect(localIntersectPoint.x, localIntersectPoint.y, intersect.point.x, intersect.point.y);
break;
}
}
}
for (let view of pose.views) {
const viewSubImage = this._xrWebGlBinding.getViewSubImage(this.projectionLayer, view);
const viewport = viewSubImage.viewport;
gl.bindFramebuffer(gl.FRAMEBUFFER, this._framebuffer);
gl.framebufferTexture2D(gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0, gl.TEXTURE_2D, viewSubImage.colorTexture, 0);
if (viewSubImage.depthStencilTexture !== undefined) {
gl.framebufferTexture2D(gl.FRAMEBUFFER, gl.DEPTH_ATTACHMENT, gl.TEXTURE_2D, viewSubImage.depthStencilTexture, 0);
}
this._camera.matrix.fromArray(view.transform.matrix);
this._camera.projectionMatrix.fromArray(view.projectionMatrix);
this._scene.updateMatrixWorld(true);
this._pinnedMirrorLayers.forEach(mirror => {
const mPosition = new THREE.Vector3();
const mQuaternion = new THREE.Quaternion();
mirror.getWorldPosition(mPosition);
mirror.getWorldQuaternion(mQuaternion);
mirror._layer.transform = new XRRigidTransform(mPosition, mQuaternion);
});
this.__renderer.setViewport(viewport.x, viewport.y, viewport.width, viewport.height);
this.__renderer.setFramebuffer(this._framebuffer);
this.__renderer.render(this._scene, this._camera);
this.__renderer.clearDepth();
}
}
}
class Button {
constructor(x, y, spriteUrl, scene, { spriteScale, backgroundScale, invertColor, backgroundColor, backgroundOpacity }) {
const spriteMaterial = new THREE.SpriteMaterial({ map: new THREE.TextureLoader().load(spriteUrl) });
this._sprite = new THREE.Sprite(spriteMaterial);
if (spriteScale) {
this._sprite.scale.x = spriteScale;
this._sprite.scale.y = spriteScale;
}
this._sprite.position.x = x;
this._sprite.position.y = y;
this._sprite._resource = spriteUrl;
this._invertMaterial = new THREE.MeshBasicMaterial({ color: invertColor || 0x000000, opacity: backgroundOpacity || 1.0 });
this._backgroundMaterial = new THREE.MeshBasicMaterial({ color: backgroundColor || 0x000000, opacity: backgroundOpacity || 1.0 });
this._background = new THREE.Mesh(new THREE.BoxGeometry(1.0, 1.0, 1.0), this._backgroundMaterial);
this._onPress = undefined;
if (backgroundScale) {
this._background.scale.x = backgroundScale;
this._background.scale.y = backgroundScale;
}
this._background.position.x = x;
this._background.position.y = y;
scene.add(this._background);
scene.add(this._sprite);
}
get visible() { return this._background.visible; }
get position() { return this._background.position; }
get scale() { return this._background.scale; }
set visible(isVisible) {
this._background.visible = isVisible;
this._sprite.visible = isVisible;
}
showInverse() { this._background.material = this._invertMaterial; }
hideInverse() { this._background.material = this._backgroundMaterial; }
}
class Toolbar extends RaycastableBaseXRLayer {
constructor() {
super();
this._BINDING_TYPE = BaseXRLayer.WEB_GL_BINDING;
this._LAYER_TYPES = [BaseXRLayer.QUAD_LAYER];
this.__renderer = new THREE.WebGLRenderer({
antialias: true,
alpha: true
});
const gl = this.__renderer.getContext();
this.__renderer.setSize(1280, 105);
this.__renderer.xr.enabled = true;
this._timeoutId = null;
this._repositionToggle = false;
this._showingProgressBar = false;
this._isPlaying = false;
this._isMuted = false;
this._video = null;
this._player = null;
this._framebuffer = gl.createFramebuffer();
this._readFramebuffer = gl.createFramebuffer();
this._camera = new THREE.OrthographicCamera(0, 1280, 0, -105);
this._camera.position.z = 1;
this._scene = new THREE.Scene();
this._scene.add(this._camera);
this._buttons = this._createButtons();
}
_createButtons() {
const buttonOptions = {
invertColor: 0x4fb5ff,
backgroundColor: 0xffffff,
backgroundOpacity: 0.75,
backgroundScale: 75,
spriteScale: 65
};
this._backwardButton = new Button(1280 / 12 * 1.25, -105 / 2, "./media/textures/backward-button.png", this._scene, buttonOptions);
this._playButton = new Button(1280 / 12 * 2.25, -105 / 2, "./media/textures/play-solid.png", this._scene, buttonOptions);
this._pauseButton = new Button(1280 / 12 * 2.25, -105 / 2, "./media/textures/pause-solid.png", this._scene, buttonOptions);
this._forwardButton = new Button(1280 / 12 * 3.25, -105 / 2, "./media/textures/forward-button.png", this._scene, buttonOptions);
this._repositionButton = new Button(1280 / 12 * 5, -105 / 2, "./media/textures/reposition-button.png", this._scene, buttonOptions);
this._compressButton = new Button(1280 / 12 * 6, -105 / 2, "./media/textures/compress-button.png", this._scene, buttonOptions);
this._expandButton = new Button(1280 / 12 * 7, -105 / 2, "./media/textures/expand-button.png", this._scene, buttonOptions);
this._muteButton = new Button(1280 / 12 * 8.75, -105 / 2, "./media/textures/volume-mute-button.png", this._scene, buttonOptions);
this._unmuteButton = new Button(1280 / 12 * 8.75, -105 / 2, "./media/textures/volume-off-button.png", this._scene, buttonOptions);
this._volumeDownButton = new Button(1280 / 12 * 9.75, -105 / 2, "./media/textures/volume-down-button.png", this._scene, buttonOptions);
this._volumeUpButton = new Button(1280 / 12 * 10.75, -105 / 2, "./media/textures/volume-up-button.png", this._scene, buttonOptions);
return [this._backwardButton, this._playButton, this._pauseButton, this._forwardButton, this._repositionButton, this._compressButton, this._expandButton, this._muteButton, this._unmuteButton, this._volumeUpButton, this._volumeDownButton];
}
_timeoutProgressBar() {
if (this._timeoutId) clearTimeout(this._timeoutId);
this._timeoutId = setTimeout(this.hide.bind(this), 4000);
}
_determineToggleButtonVisibility() {
this._playButton.visible = false;
this._pauseButton.visible = false;
this._unmuteButton.visible = false;
this._muteButton.visible = false;
if (this._showingProgressBar) {
if (this._isPlaying) this._pauseButton.visible = true;
else this._playButton.visible = true;
if (this._isMuted) this._unmuteButton.visible = true;
else this._muteButton.visible = true;
}
}
_getButtonsInBound(x, y) {
if (!x || !y) return [];
return this._buttons.filter(button => {
const isInBoundsX = x >= button.position.x - button.scale.x / 2 && x <= button.position.x + button.scale.x / 2;
const isInBoundsY = y >= button.position.y - button.scale.y / 2 && y <= button.position.y + button.scale.y / 2;
return button.visible && isInBoundsX && isInBoundsY;
});
}
_onPress(evt) {
if (this._player && this._repositionToggle) {
const mirror = this._player.quadLayer._mirror;
mirror._originalParent.attach(mirror);
mirror._originalParent = undefined;
mirror.matrixAutoUpdate = true;
this._repositionToggle = false;
return true;
}
if (super._onPress(evt)) {
this._getButtonsInBound(this.__lastX, this.__lastY).forEach(button => button._onPress());
return true;
}
return false;
}
_onRaycasterDidIntersect(localX, localY, worldX, worldY) {
for (let button of this._buttons) { button.hideInverse(); }
if (!this._showingProgressBar) return false;
super._onRaycasterDidIntersect(localX, localY, worldX, worldY);
if (!localX || !localY || !worldX || !worldY) { return false; }
this._getButtonsInBound(this.lastX, this.lastY).forEach(button => button.showInverse());
this._timeoutProgressBar();
return true;
}
async initialize(session) {
await super.initialize(session);
const gl = this.__renderer.getContext();
document.body.appendChild(gl.canvas);
this._backwardButton._onPress = () => {
if (this._video) this._video.currentTime = String(Math.max(0, this._video.currentTime - 10));
};
this._forwardButton._onPress = () => {
if (this._video) this._video.currentTime = String(Math.min(this._video.duration, this._video.currentTime + 10));
}
this._volumeUpButton._onPress = () => {
if (this._video) this._video.volume = Math.min(1, this._video.volume + 0.1);
}
this._volumeDownButton._onPress = () => {
if (this._video) this._video.volume = Math.max(0, this._video.volume - 0.1);
}
this._pauseButton._onPress = () => {
if (this._video && this._isPlaying) this._video.pause();
}
this._playButton._onPress = () => {
if (this._video && !this._isPlaying) this._video.play();
}
this._repositionButton._onPress = () => {
if (this._video) this._repositionToggle = true;
}
this._expandButton._onPress = () => {
if (!this._player) return;
const layer = this._player.quadLayer;
layer.width *= 1.25;
layer.height *= 1.25;
layer._mirror.scale.x *= 1.25;
layer._mirror.scale.y *= 1.25;
}
this._compressButton._onPress = () => {
if (!this._player) return;
const layer = this._player.quadLayer;
layer.width /= 1.25;
layer.height /= 1.25;
layer._mirror.scale.x /= 1.25;
layer._mirror.scale.y /= 1.25;
}
this._muteButton._onPress = () => {
if (this._video && !this._isMuted) {
this._video.muted = true;
this._isMuted = true;
}
}
this._unmuteButton._onPress = () => {
if (this._video && this._isMuted) {
this._video.muted = false;
this._isMuted = false;
}
}
}
async createQuadLayer(refSpace) {
super.createQuadLayer(refSpace, {
layout: "mono",
pinToCamera: true,
transform: new XRRigidTransform({ x: 0.0, y: -0.25, z: -2.75, w: 1.0 }),
viewPixelHeight: 105,
viewPixelWidth: 1280,
height: 105 / 1280,
width: 1,
});
}
hide() {
this._showingProgressBar = false;
this.__renderer.setClearColor(0x000000, 0);
for (let child of this._scene.children) {
child.visible = false;
}
this._player = null;
this._video = null;
}
show(player, { isPlaying } = {}) {
this._showingProgressBar = true;
this.__renderer.setClearColor(0x000000, 0.75);
for (let child of this._scene.children) {
child.visible = true;
}
this._player = player;
this._video = player.video;
this._isMuted = player.video.muted;
this._isPlaying = isPlaying !== undefined ? isPlaying : !player.video.paused;
this._determineToggleButtonVisibility();
this._timeoutProgressBar();
}
render(frame, pose) {
super.render(frame, pose);
this.__renderer.clear();
const gl = this.__renderer.getContext();
const glSubImage = this._xrWebGlBinding.getSubImage(this.quadLayer, frame);
this._determineToggleButtonVisibility();
for (let inputSource of frame.session.inputSources) {
const { gripSpace, targetRayMode, handedness } = inputSource;
const inputPose = frame.getPose(gripSpace, refSpace);
const controller = threeXrProjector.getController(targetRayMode, handedness);
if (!inputPose || !controller) continue;
if (this._repositionToggle) {
const position = new THREE.Vector3();
const quaternion = new THREE.Quaternion();
const mirror = this._player.quadLayer._mirror;
if (!mirror._originalParent && this.worldX && this.worldY) {
let mirrorWorldScale = new THREE.Vector3();
mirror.getWorldScale(mirrorWorldScale);
mirror.matrixAutoUpdate = false;
mirrorWorldScale = mirror.scale;
mirror.matrix.copy(this.quadLayer._mirror.matrixWorld);
mirror.matrix.elements[0] = mirrorWorldScale.x;
mirror.matrix.elements[5] = mirrorWorldScale.y;
mirror.matrix.elements[10] = mirrorWorldScale.z;
mirror.scale.x = mirror._layer.width;
mirror.scale.y = mirror._layer.width;
mirror._originalParent = mirror.parent;
controller._line.attach(mirror);
}
mirror.getWorldPosition(position);
mirror.getWorldQuaternion(quaternion);
this._player.quadLayer.transform = new XRRigidTransform(position, quaternion);
}
}
gl.bindFramebuffer(gl.FRAMEBUFFER, this._framebuffer);
gl.framebufferTexture2D(gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0, gl.TEXTURE_2D, glSubImage.colorTexture, 0);
gl.bindFramebuffer(gl.READ_FRAMEBUFFER, this._readFramebuffer);
this.__renderer.render(this._scene, this._camera);
}
}
class MediaPlayer extends RaycastableBaseXRLayer {
constructor(layoutType, videoSrc) {
super();
this._BINDING_TYPE = BaseXRLayer.MEDIA_BINDING;
this._LAYER_TYPES = [BaseXRLayer.QUAD_LAYER, BaseXRLayer.PROJECTION_LAYER];
this._layoutType = layoutType;
this._videoSrc = videoSrc;
this._video = null;
}
get video() { return this._video; }
get showingProgressBar() { return this._showingProgressBar; }
_initializeVideoElement() {
const video = document.createElement("video");
video.src = this._videoSrc;
video.muted = true;
video.loop = true;
video.addEventListener("play", () => {
toolbar.show(this, { isPlaying: true });
});
video.addEventListener("pause", () => {
toolbar.show(this, { isPlaying: false });
});
return new Promise(resolve => {
video.addEventListener("loadeddata", () => {
return resolve(video);
});
});
}
_onPress(evt) {
if (super._onPress(evt)) {
toolbar.show(this);
return true;
}
return false;
}
async initialize(session) {
await super.initialize(session);
this._video = await this._initializeVideoElement();
}
async createQuadLayer(refSpace, transform = null) {
const x = ((0.25 + Math.random()) * 2) * (Math.random() < 0.5 ? 1 : -1);
const y = ((0.25 + Math.random()) * 2) * (Math.random() < 0.5 ? 1 : -1);
if (!transform) transform = new XRRigidTransform({ x, y, z: -2.75, w: 1.0 });
super.createQuadLayer(refSpace, {
video: this._video,
layout: this._layoutType,