Update Files

Kha/Sources/kha/math/FastVector4.hx

@@ -0,0 +1,71 @@
+package kha.math;
+
+@:structInit
+class FastVector4 {
+	public inline function new(x: FastFloat = 0, y: FastFloat = 0, z: FastFloat = 0, w: FastFloat = 1): Void {
+		this.x = x;
+		this.y = y;
+		this.z = z;
+		this.w = w;
+	}
+
+	public static function fromVector4(v: Vector4): FastVector4 {
+		return new FastVector4(v.x, v.y, v.z, v.w);
+	}
+
+	public var x: FastFloat;
+	public var y: FastFloat;
+	public var z: FastFloat;
+	public var w: FastFloat;
+	public var length(get, set): FastFloat;
+
+	extern public inline function setFrom(v: FastVector4): Void {
+		this.x = v.x;
+		this.y = v.y;
+		this.z = v.z;
+		this.w = v.w;
+	}
+
+	inline function get_length(): FastFloat {
+		return Math.sqrt(x * x + y * y + z * z + w * w);
+	}
+
+	function set_length(length: FastFloat): FastFloat {
+		var currentLength = get_length();
+		if (currentLength == 0)
+			return 0;
+		var mul = length / currentLength;
+		x *= mul;
+		y *= mul;
+		z *= mul;
+		w *= mul;
+		return length;
+	}
+
+	extern public inline function add(vec: FastVector4): FastVector4 {
+		return new FastVector4(x + vec.x, y + vec.y, z + vec.z, w + vec.w);
+	}
+
+	extern public inline function sub(vec: FastVector4): FastVector4 {
+		return new FastVector4(x - vec.x, y - vec.y, z - vec.z, w - vec.w);
+	}
+
+	extern public inline function mult(value: FastFloat): FastVector4 {
+		return new FastVector4(x * value, y * value, z * value, w * value);
+	}
+
+	@:deprecated("normalize() will be deprecated soon, use the immutable normalized() instead")
+	extern public inline function normalize(): Void {
+		#if haxe4 inline #end set_length(1);
+	}
+
+	extern public inline function normalized(): FastVector4 {
+		var v = new FastVector4(x, y, z, w);
+		#if haxe4 inline #end v.set_length(1);
+		return v;
+	}
+
+	public function toString() {
+		return 'FastVector4($x, $y, $z, $w)';
+	}
+}