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