Removed the matrix.

src/core/Stage.js

@@ -46,11 +46,11 @@ Phaser.Stage = function (game) {
     this.exists = true;
 
     /**
-    * @property {PIXI.Matrix} worldTransform - Current transform of the object based on world (parent) factors
+    * @property {Phaser.Matrix} worldTransform - Current transform of the object based on world (parent) factors
     * @private
     * @readOnly
     */
-    this.worldTransform = new PIXI.Matrix();
+    this.worldTransform = new Phaser.Matrix();
 
     /**
     * @property {Phaser.Stage} stage - The stage reference (the Stage is its own stage)

src/gameobjects/components/ScaleMinMax.js

@@ -50,7 +50,7 @@ Phaser.Component.ScaleMinMax.prototype = {
      *
      * @method
      * @private
-     * @param {PIXI.Matrix} wt - The updated worldTransform matrix.
+     * @param {Phaser.Matrix} wt - The updated worldTransform matrix.
      */
     checkTransform: function (wt) {
 

src/geom/Matrix.js

@@ -385,10 +385,4 @@ Phaser.Matrix.prototype = {
 };
 
 Phaser.identityMatrix = new Phaser.Matrix();
-
 Phaser.tempMatrix = new Phaser.Matrix();
-
-//  Because PIXI uses its own type, we'll replace it with ours to avoid duplicating code or confusion.
-PIXI.Matrix = Phaser.Matrix;
-PIXI.identityMatrix = Phaser.identityMatrix;
-

src/pixi/display/DisplayObject.js

@@ -142,10 +142,10 @@ PIXI.DisplayObject = function () {
     * that happens this property will contain values based on the previous frame. Be mindful of this if
     * accessing this property outside of the normal game flow, i.e. from an asynchronous event callback.
     *
-    * @property {PIXI.Matrix} worldTransform
+    * @property {Phaser.Matrix} worldTransform
     * @readOnly
     */
-    this.worldTransform = new PIXI.Matrix();
+    this.worldTransform = new Phaser.Matrix();
 
     /**
     * The coordinates, in pixels, of this DisplayObject within the world.

src/pixi/display/DisplayObjectContainer.js

@@ -308,7 +308,7 @@ PIXI.DisplayObjectContainer.prototype.getBounds = function (targetCoordinateSpac
     {
         var matrixCache = targetCoordinateSpace.worldTransform;
 
-        targetCoordinateSpace.worldTransform = PIXI.identityMatrix;
+        targetCoordinateSpace.worldTransform = Phaser.identityMatrix;
 
         for (i = 0; i < targetCoordinateSpace.children.length; i++) 
 		{

src/pixi/display/Sprite.js

@@ -322,7 +322,7 @@ PIXI.Sprite.prototype.getLocalBounds = function () {
 
     var matrixCache = this.worldTransform;
 
-    this.worldTransform = PIXI.identityMatrix;
+    this.worldTransform = Phaser.identityMatrix;
 
     for (var i = 0; i < this.children.length; i++)
     {