Overrided getLocalBounds() for PIXI Sprite, Strip and Graphics

Since they override the getBounds of the DisplayObjectContainer, the
getLocalBounds should also be overriden for them to properly work.

Author: fmflame

src/pixi/display/Sprite.js

@@ -316,6 +316,32 @@ PIXI.Sprite.prototype.getBounds = function(matrix)
     return bounds;
 };
 
+/**
+ * Retrieves the non-global local bounds of the Sprite as a rectangle. The calculation takes all visible children into consideration.
+ *
+ * @method getLocalBounds
+ * @return {Rectangle} The rectangular bounding area
+ */
+PIXI.Sprite.prototype.getLocalBounds = function () {
+    var matrixCache = this.worldTransform;
+
+    this.worldTransform = PIXI.identityMatrix;
+
+    for (var i = 0; i < this.children.length; i++) {
+        this.children[i].updateTransform();
+    }
+
+    var bounds = this.getBounds();
+
+    this.worldTransform = matrixCache;
+
+    for (i = 0; i < this.children.length; i++) {
+        this.children[i].updateTransform();
+    }
+
+    return bounds;
+};
+
 /**
 * Renders the object using the WebGL renderer
 *

src/pixi/extras/Strip.js

@@ -459,6 +459,32 @@ PIXI.Strip.prototype.getBounds = function(matrix)
     return bounds;
 };
 
+/**
+ * Retrieves the non-global local bounds of the mesh as a rectangle. The calculation takes all visible children into consideration.
+ *
+ * @method getLocalBounds
+ * @return {Rectangle} The rectangular bounding area
+ */
+PIXI.Strip.prototype.getLocalBounds = function () {
+    var matrixCache = this.worldTransform;
+
+    this.worldTransform = PIXI.identityMatrix;
+
+    for (var i = 0; i < this.children.length; i++) {
+        this.children[i].updateTransform();
+    }
+
+    var bounds = this.getBounds();
+
+    this.worldTransform = matrixCache;
+
+    for (i = 0; i < this.children.length; i++) {
+        this.children[i].updateTransform();
+    }
+
+    return bounds;
+};
+
 /**
  * Different drawing buffer modes supported
  *

src/pixi/primitives/Graphics.js

@@ -922,6 +922,32 @@ PIXI.Graphics.prototype.getBounds = function(matrix)
 
 };
 
+/**
+ * Retrieves the non-global local bounds of the graphic shape as a rectangle. The calculation takes all visible children into consideration.
+ *
+ * @method getLocalBounds
+ * @return {Rectangle} The rectangular bounding area
+ */
+PIXI.Graphics.prototype.getLocalBounds = function () {
+    var matrixCache = this.worldTransform;
+
+    this.worldTransform = PIXI.identityMatrix;
+
+    for (var i = 0; i < this.children.length; i++) {
+        this.children[i].updateTransform();
+    }
+
+    var bounds = this.getBounds();
+
+    this.worldTransform = matrixCache;
+
+    for (i = 0; i < this.children.length; i++) {
+        this.children[i].updateTransform();
+    }
+
+    return bounds;
+};
+
 /**
 * Tests if a point is inside this graphics object
 *