From 4fc945a47d0cd71ae30181bd5db8a8a2da81ee4a Mon Sep 17 00:00:00 2001
From: Andrey Volodin <siddok@gmail.com>
Date: Fri, 13 Nov 2020 13:51:16 +0300
Subject: [PATCH] add few additions to Vec2

---
 Sources/Vector2+simd.swift | 54 +++++++++++++++++++++++++++++++++++++-
 Sources/Vector4.swift      |  4 +++
 2 files changed, 57 insertions(+), 1 deletion(-)

diff --git a/Sources/Vector2+simd.swift b/Sources/Vector2+simd.swift
index 95c7750..d6a11f3 100644
--- a/Sources/Vector2+simd.swift
+++ b/Sources/Vector2+simd.swift
@@ -7,7 +7,7 @@
 import simd
 
 @frozen
-public struct Vector2f {
+public struct Vector2f: Codable {
     internal var d: SIMD2<Float>
     
     public var x: Float { get { return d.x } set { d.x = newValue } }
@@ -46,6 +46,10 @@ public struct Vector2f {
     public init(_ x: Float, _ y: Float) {
         self.d = SIMD2<Float>(x, y)
     }
+    
+    public init(_ simdV: SIMD2<Float>) {
+        self.d = simdV
+    }
 }
 
 public extension Vector2f {
@@ -78,6 +82,14 @@ public extension Vector2f {
     
     //MARK: - functions
     
+    func distance(to other: Vector2f) -> Float {
+        return (self - other).length
+    }
+    
+    func angle(with other: Vector2f) -> Float {
+        return atan2f(other.y - self.y, other.x - self.x)
+    }
+    
     func dot(_ x: Vector2f) -> Float {
         return simd.dot(d, x.d)
     }
@@ -90,8 +102,24 @@ public extension Vector2f {
         return unsafeBitCast(simd.mix(d, to.d, t: factor), to: Vector2f.self)
     }
     
+    func min() -> Float {
+        return self.d.min()
+    }
+    
+    func max() -> Float {
+        return self.d.max()
+    }
+    
+    mutating func round(_ rule: FloatingPointRoundingRule) {
+        self.d.round(rule)
+    }
+    
     //MARK: - operators
     
+    static func +(lhs: Vector2f, rhs: Float) -> Vector2f {
+        return unsafeBitCast(lhs.d + rhs, to: Vector2f.self)
+    }
+    
     static func +(lhs: Vector2f, rhs: Vector2f) -> Vector2f {
         return unsafeBitCast(lhs.d + rhs.d, to: Vector2f.self)
     }
@@ -112,6 +140,18 @@ public extension Vector2f {
         return unsafeBitCast(lhs.d * rhs.d, to: Vector2f.self)
     }
     
+    static func /(lhs: Vector2f, rhs: Float) -> Vector2f {
+        return unsafeBitCast(lhs.d / rhs, to: Vector2f.self)
+    }
+    
+    static func /(lhs: Float, rhs: Vector2f) -> Vector2f {
+        return unsafeBitCast(lhs / rhs.d, to: Vector2f.self)
+    }
+    
+    static func /(lhs: Vector2f, rhs: Vector2f) -> Vector2f {
+        return unsafeBitCast(lhs.d / rhs.d, to: Vector2f.self)
+    }
+    
     static func *(lhs: Matrix4x4f, rhs: Vector2f) -> Vector2f {
         let res = lhs.d * Vector4f(rhs).d
         return Vector2f(res.x, res.y)
@@ -125,6 +165,18 @@ public extension Vector2f {
     static func *=(lhs: inout Vector2f, rhs: Float) {
         lhs.d *= rhs
     }
+    
+    static func /=(lhs: inout Vector2f, rhs: Float) {
+        lhs.d /= rhs
+    }
+    
+    static func *=(lhs: inout Vector2f, rhs: Vector2f) {
+        lhs.d *= rhs.d
+    }
+    
+    static func /=(lhs: inout Vector2f, rhs: Vector2f) {
+        lhs.d /= rhs.d
+    }
 }
 
 extension Vector2f: Equatable {
diff --git a/Sources/Vector4.swift b/Sources/Vector4.swift
index af716fd..c1ab010 100644
--- a/Sources/Vector4.swift
+++ b/Sources/Vector4.swift
@@ -7,6 +7,10 @@ public typealias vec4 = Vector4f
 public extension Vector4f {
     //MARK: - initializers
     
+    init(_ v1: Vector2f, _ v2: Vector2f) {
+        self.init(v1.x, v1.y, v2.x, v2.y)
+    }
+    
     init(_ v: Vector2f, _ z: Float = 0.0, _ w: Float = 1.0) {
         self.init(v.x, v.y, z, w)
     }