avm2: Format Matrix3D.as
This commit is contained in:
Aaron Hill
parent
a4c8f27743
commit
3c03a769dc
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@ -1,194 +1,188 @@
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// Based on the MIT-licensed OpenFL code https://github.com/openfl/openfl/blob/develop/src/openfl/geom/Matrix3D.hx
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package flash.geom {
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public class Matrix3D {
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public class Matrix3D {
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// The 4x4 matrix data, stored in column-major order
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private var _rawData: Vector.<Number>;
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// The 4x4 matrix data, stored in column-major order
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private var _rawData:Vector.<Number>;
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public function get rawData(): Vector.<Number> {
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public function get rawData():Vector.<Number> {
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return this._rawData.concat();
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}
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public function set rawData(value: Vector.<Number>): void {
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public function set rawData(value:Vector.<Number>):void {
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this._rawData = value.concat();
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}
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public function Matrix3D(v:Vector.<Number> = null) {
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this._rawData = v;
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if (this._rawData == null) {
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this.identity()
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}
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}
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public function Matrix3D(v:Vector.<Number> = null) {
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this._rawData = v;
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if (this._rawData == null) {
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this.identity();
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}
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}
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public function identity():void {
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// Note that every 4 elements is a *column*, not a row
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this._rawData = new <Number>[
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1, 0, 0, 0,
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0, 1, 0, 0,
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0, 0, 1, 0,
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0, 0, 0, 1
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];
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}
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public function identity():void {
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// Note that every 4 elements is a *column*, not a row
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this._rawData = new <Number>[
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1, 0, 0, 0,
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0, 1, 0, 0,
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0, 0, 1, 0,
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0, 0, 0, 1
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];
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}
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public function appendTranslation(x:Number, y:Number, z:Number):void {
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this._rawData[12] += x;
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this._rawData[13] += y;
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this._rawData[14] += z;
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}
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public function appendTranslation(x:Number, y:Number, z:Number):void {
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this._rawData[12] += x;
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this._rawData[13] += y;
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this._rawData[14] += z;
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}
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public function appendRotation(degrees:Number, axis:Vector3D, pivotPoint:Vector3D = null):void {
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var tx:Number, ty:Number, tz:Number;
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tx = ty = tz = 0;
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public function appendRotation(degrees:Number, axis:Vector3D, pivotPoint:Vector3D = null):void {
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var tx:Number, ty:Number, tz:Number;
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tx = ty = tz = 0;
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if (pivotPoint != null)
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{
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tx = pivotPoint.x;
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ty = pivotPoint.y;
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tz = pivotPoint.z;
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}
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var radian = degrees * Math.PI / 180;
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var cos = Math.cos(radian);
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var sin = Math.sin(radian);
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var x = axis.x;
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var y = axis.y;
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var z = axis.z;
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var x2 = x * x;
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var y2 = y * y;
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var z2 = z * z;
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var ls = x2 + y2 + z2;
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if (ls != 0)
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{
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var l = Math.sqrt(ls);
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x /= l;
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y /= l;
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z /= l;
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x2 /= ls;
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y2 /= ls;
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z2 /= ls;
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}
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var ccos = 1 - cos;
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var m = new Matrix3D();
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if (pivotPoint != null) {
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tx = pivotPoint.x;
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ty = pivotPoint.y;
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tz = pivotPoint.z;
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}
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var radian = degrees * Math.PI / 180;
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var cos = Math.cos(radian);
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var sin = Math.sin(radian);
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var x = axis.x;
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var y = axis.y;
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var z = axis.z;
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var x2 = x * x;
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var y2 = y * y;
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var z2 = z * z;
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var ls = x2 + y2 + z2;
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if (ls != 0) {
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var l = Math.sqrt(ls);
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x /= l;
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y /= l;
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z /= l;
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x2 /= ls;
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y2 /= ls;
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z2 /= ls;
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}
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var ccos = 1 - cos;
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var m = new Matrix3D();
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var d = m.rawData;
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d[0] = x2 + (y2 + z2) * cos;
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d[1] = x * y * ccos + z * sin;
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d[2] = x * z * ccos - y * sin;
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d[4] = x * y * ccos - z * sin;
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d[5] = y2 + (x2 + z2) * cos;
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d[6] = y * z * ccos + x * sin;
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d[8] = x * z * ccos + y * sin;
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d[9] = y * z * ccos - x * sin;
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d[10] = z2 + (x2 + y2) * cos;
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d[12] = (tx * (y2 + z2) - x * (ty * y + tz * z)) * ccos + (ty * z - tz * y) * sin;
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d[13] = (ty * (x2 + z2) - y * (tx * x + tz * z)) * ccos + (tz * x - tx * z) * sin;
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d[14] = (tz * (x2 + y2) - z * (tx * x + ty * y)) * ccos + (tx * y - ty * x) * sin;
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var d = m.rawData;
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d[0] = x2 + (y2 + z2) * cos;
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d[1] = x * y * ccos + z * sin;
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d[2] = x * z * ccos - y * sin;
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d[4] = x * y * ccos - z * sin;
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d[5] = y2 + (x2 + z2) * cos;
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d[6] = y * z * ccos + x * sin;
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d[8] = x * z * ccos + y * sin;
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d[9] = y * z * ccos - x * sin;
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d[10] = z2 + (x2 + y2) * cos;
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d[12] = (tx * (y2 + z2) - x * (ty * y + tz * z)) * ccos + (ty * z - tz * y) * sin;
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d[13] = (ty * (x2 + z2) - y * (tx * x + tz * z)) * ccos + (tz * x - tx * z) * sin;
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d[14] = (tz * (x2 + y2) - z * (tx * x + ty * y)) * ccos + (tx * y - ty * x) * sin;
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m.rawData = d;
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this.append(m);
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}
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public function copyRawDataFrom(vector:Vector.<Number>, index:uint = 0, transpose:Boolean = false):void {
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if (transpose)
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{
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this.transpose();
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this.append(m);
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}
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var length = vector.length - index;
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public function copyRawDataFrom(vector:Vector.<Number>, index:uint = 0, transpose:Boolean = false):void {
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if (transpose) {
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this.transpose();
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}
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for (var i = 0; i < length; i ++)
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{
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this._rawData[i] = vector[i + index];
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var length = vector.length - index;
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for (var i = 0; i < length; i++) {
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this._rawData[i] = vector[i + index];
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}
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if (transpose) {
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this.transpose();
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}
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}
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if (transpose)
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{
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this.transpose();
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public function transpose():void {
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// Make a copy
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var oRawData = this._rawData.concat();
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this._rawData[1] = oRawData[4];
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this._rawData[2] = oRawData[8];
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this._rawData[3] = oRawData[12];
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this._rawData[4] = oRawData[1];
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this._rawData[6] = oRawData[9];
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this._rawData[7] = oRawData[13];
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this._rawData[8] = oRawData[2];
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this._rawData[9] = oRawData[6];
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this._rawData[11] = oRawData[14];
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this._rawData[12] = oRawData[3];
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this._rawData[13] = oRawData[7];
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this._rawData[14] = oRawData[11];
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}
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public function append(lhs:Matrix3D):void {
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var m111:Number = this.rawData[0],
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m121:Number = this.rawData[4],
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m131:Number = this.rawData[8],
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m141:Number = this.rawData[12],
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m112:Number = this.rawData[1],
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m122:Number = this.rawData[5],
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m132:Number = this.rawData[9],
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m142:Number = this.rawData[13],
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m113:Number = this.rawData[2],
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m123:Number = this.rawData[6],
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m133:Number = this.rawData[10],
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m143:Number = this.rawData[14],
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m114:Number = this.rawData[3],
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m124:Number = this.rawData[7],
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m134:Number = this.rawData[11],
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m144:Number = this.rawData[15],
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m211:Number = lhs.rawData[0],
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m221:Number = lhs.rawData[4],
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m231:Number = lhs.rawData[8],
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m241:Number = lhs.rawData[12],
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m212:Number = lhs.rawData[1],
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m222:Number = lhs.rawData[5],
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m232:Number = lhs.rawData[9],
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m242:Number = lhs.rawData[13],
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m213:Number = lhs.rawData[2],
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m223:Number = lhs.rawData[6],
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m233:Number = lhs.rawData[10],
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m243:Number = lhs.rawData[14],
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m214:Number = lhs.rawData[3],
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m224:Number = lhs.rawData[7],
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m234:Number = lhs.rawData[11],
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m244:Number = lhs.rawData[15];
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this._rawData[0] = m111 * m211 + m112 * m221 + m113 * m231 + m114 * m241;
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this._rawData[1] = m111 * m212 + m112 * m222 + m113 * m232 + m114 * m242;
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this._rawData[2] = m111 * m213 + m112 * m223 + m113 * m233 + m114 * m243;
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this._rawData[3] = m111 * m214 + m112 * m224 + m113 * m234 + m114 * m244;
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this._rawData[4] = m121 * m211 + m122 * m221 + m123 * m231 + m124 * m241;
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this._rawData[5] = m121 * m212 + m122 * m222 + m123 * m232 + m124 * m242;
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this._rawData[6] = m121 * m213 + m122 * m223 + m123 * m233 + m124 * m243;
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this._rawData[7] = m121 * m214 + m122 * m224 + m123 * m234 + m124 * m244;
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this._rawData[8] = m131 * m211 + m132 * m221 + m133 * m231 + m134 * m241;
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this._rawData[9] = m131 * m212 + m132 * m222 + m133 * m232 + m134 * m242;
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this._rawData[10] = m131 * m213 + m132 * m223 + m133 * m233 + m134 * m243;
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this._rawData[11] = m131 * m214 + m132 * m224 + m133 * m234 + m134 * m244;
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this._rawData[12] = m141 * m211 + m142 * m221 + m143 * m231 + m144 * m241;
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this._rawData[13] = m141 * m212 + m142 * m222 + m143 * m232 + m144 * m242;
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this._rawData[14] = m141 * m213 + m142 * m223 + m143 * m233 + m144 * m243;
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this._rawData[15] = m141 * m214 + m142 * m224 + m143 * m234 + m144 * m244;
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}
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// Based on https://github.com/openfl/openfl/blob/971a4c9e43b5472fd84d73920a2b7c1b3d8d9257/src/openfl/geom/Matrix3D.hx#L307
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public function appendScale(xScale:Number, yScale:Number, zScale:Number):void {
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this.append(new Matrix3D(Vector.<Number>([
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xScale, 0.0, 0.0, 0.0, 0.0, yScale, 0.0, 0.0, 0.0, 0.0, zScale, 0.0, 0.0, 0.0, 0.0, 1.0
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])));
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}
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public function clone():Matrix3D {
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return new Matrix3D(this.rawData.concat());
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}
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}
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public function transpose():void {
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// Make a copy
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var oRawData = this._rawData.concat();
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this._rawData[1] = oRawData[4];
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this._rawData[2] = oRawData[8];
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this._rawData[3] = oRawData[12];
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this._rawData[4] = oRawData[1];
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this._rawData[6] = oRawData[9];
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this._rawData[7] = oRawData[13];
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this._rawData[8] = oRawData[2];
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this._rawData[9] = oRawData[6];
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this._rawData[11] = oRawData[14];
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this._rawData[12] = oRawData[3];
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this._rawData[13] = oRawData[7];
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this._rawData[14] = oRawData[11];
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}
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public function append(lhs:Matrix3D):void
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{
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var m111:Number = this.rawData[0],
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m121:Number = this.rawData[4],
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m131:Number = this.rawData[8],
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m141:Number = this.rawData[12],
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m112:Number = this.rawData[1],
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m122:Number = this.rawData[5],
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m132:Number = this.rawData[9],
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m142:Number = this.rawData[13],
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m113:Number = this.rawData[2],
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m123:Number = this.rawData[6],
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m133:Number = this.rawData[10],
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m143:Number = this.rawData[14],
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m114:Number = this.rawData[3],
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m124:Number = this.rawData[7],
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m134:Number = this.rawData[11],
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m144:Number = this.rawData[15],
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m211:Number = lhs.rawData[0],
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m221:Number = lhs.rawData[4],
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m231:Number = lhs.rawData[8],
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m241:Number = lhs.rawData[12],
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m212:Number = lhs.rawData[1],
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m222:Number = lhs.rawData[5],
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m232:Number = lhs.rawData[9],
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m242:Number = lhs.rawData[13],
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m213:Number = lhs.rawData[2],
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m223:Number = lhs.rawData[6],
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m233:Number = lhs.rawData[10],
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m243:Number = lhs.rawData[14],
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m214:Number = lhs.rawData[3],
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m224:Number = lhs.rawData[7],
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m234:Number = lhs.rawData[11],
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m244:Number = lhs.rawData[15];
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this._rawData[0] = m111 * m211 + m112 * m221 + m113 * m231 + m114 * m241;
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this._rawData[1] = m111 * m212 + m112 * m222 + m113 * m232 + m114 * m242;
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this._rawData[2] = m111 * m213 + m112 * m223 + m113 * m233 + m114 * m243;
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this._rawData[3] = m111 * m214 + m112 * m224 + m113 * m234 + m114 * m244;
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this._rawData[4] = m121 * m211 + m122 * m221 + m123 * m231 + m124 * m241;
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this._rawData[5] = m121 * m212 + m122 * m222 + m123 * m232 + m124 * m242;
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this._rawData[6] = m121 * m213 + m122 * m223 + m123 * m233 + m124 * m243;
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this._rawData[7] = m121 * m214 + m122 * m224 + m123 * m234 + m124 * m244;
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this._rawData[8] = m131 * m211 + m132 * m221 + m133 * m231 + m134 * m241;
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this._rawData[9] = m131 * m212 + m132 * m222 + m133 * m232 + m134 * m242;
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this._rawData[10] = m131 * m213 + m132 * m223 + m133 * m233 + m134 * m243;
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this._rawData[11] = m131 * m214 + m132 * m224 + m133 * m234 + m134 * m244;
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this._rawData[12] = m141 * m211 + m142 * m221 + m143 * m231 + m144 * m241;
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this._rawData[13] = m141 * m212 + m142 * m222 + m143 * m232 + m144 * m242;
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this._rawData[14] = m141 * m213 + m142 * m223 + m143 * m233 + m144 * m243;
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this._rawData[15] = m141 * m214 + m142 * m224 + m143 * m234 + m144 * m244;
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}
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// Based on https://github.com/openfl/openfl/blob/971a4c9e43b5472fd84d73920a2b7c1b3d8d9257/src/openfl/geom/Matrix3D.hx#L307
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public function appendScale(xScale:Number, yScale:Number, zScale:Number):void {
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this.append(new Matrix3D(Vector.<Number>([
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xScale, 0.0, 0.0, 0.0, 0.0, yScale, 0.0, 0.0, 0.0, 0.0, zScale, 0.0, 0.0, 0.0, 0.0, 1.0
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])));
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}
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public function clone():Matrix3D {
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return new Matrix3D(this.rawData.concat());
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}
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}
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}
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