updated pixi to v2

app/Lib/Vendor/src/pixi/display/SpriteBatch.js

@@ -0,0 +1,177 @@
+/**
+ * @author Mat Groves http://matgroves.com/
+ */
+
+/**
+ * The SpriteBatch class is a really fast version of the DisplayObjectContainer 
+ * built solely for speed, so use when you need a lot of sprites or particles.
+ * And it's extremely easy to use : 
+
+    var container = new PIXI.SpriteBatch();
+ 
+    stage.addChild(container);
+ 
+    for(var i  = 0; i < 100; i++)
+    {
+        var sprite = new PIXI.Sprite.fromImage("myImage.png");
+        container.addChild(sprite);
+    }
+ * And here you have a hundred sprites that will be renderer at the speed of light
+ *
+ * @class SpriteBatch
+ * @constructor
+ * @param texture {Texture}
+ */
+
+//TODO RENAME to PARTICLE CONTAINER?
+PIXI.SpriteBatch = function(texture)
+{
+    PIXI.DisplayObjectContainer.call( this);
+
+    this.textureThing = texture;
+
+    this.ready = false;
+};
+
+PIXI.SpriteBatch.prototype = Object.create(PIXI.DisplayObjectContainer.prototype);
+PIXI.SpriteBatch.prototype.constructor = PIXI.SpriteBatch;
+
+/*
+ * Initialises the spriteBatch
+ *
+ * @method initWebGL
+ * @param gl {WebGLContext} the current WebGL drawing context
+ */
+PIXI.SpriteBatch.prototype.initWebGL = function(gl)
+{
+    // TODO only one needed for the whole engine really?
+    this.fastSpriteBatch = new PIXI.WebGLFastSpriteBatch(gl);
+
+    this.ready = true;
+};
+
+/*
+ * Updates the object transform for rendering
+ *
+ * @method updateTransform
+ * @private
+ */
+PIXI.SpriteBatch.prototype.updateTransform = function()
+{
+    // TODO don't need to!
+    this.displayObjectUpdateTransform();
+    //  PIXI.DisplayObjectContainer.prototype.updateTransform.call( this );
+};
+
+/**
+* Renders the object using the WebGL renderer
+*
+* @method _renderWebGL
+* @param renderSession {RenderSession} 
+* @private
+*/
+PIXI.SpriteBatch.prototype._renderWebGL = function(renderSession)
+{
+    if(!this.visible || this.alpha <= 0 || !this.children.length)return;
+
+    if(!this.ready)this.initWebGL( renderSession.gl );
+    
+    renderSession.spriteBatch.stop();
+    
+    renderSession.shaderManager.setShader(renderSession.shaderManager.fastShader);
+    
+    this.fastSpriteBatch.begin(this, renderSession);
+    this.fastSpriteBatch.render(this);
+
+    renderSession.spriteBatch.start();
+ 
+};
+
+/**
+* Renders the object using the Canvas renderer
+*
+* @method _renderCanvas
+* @param renderSession {RenderSession} 
+* @private
+*/
+PIXI.SpriteBatch.prototype._renderCanvas = function(renderSession)
+{
+    if(!this.visible || this.alpha <= 0 || !this.children.length)return;
+    
+    var context = renderSession.context;
+    context.globalAlpha = this.worldAlpha;
+
+    this.displayObjectUpdateTransform();
+
+    var transform = this.worldTransform;
+    // alow for trimming
+       
+    var isRotated = true;
+
+    for (var i = 0; i < this.children.length; i++) {
+       
+        var child = this.children[i];
+
+        if(!child.visible)continue;
+
+        var texture = child.texture;
+        var frame = texture.frame;
+
+        context.globalAlpha = this.worldAlpha * child.alpha;
+
+        if(child.rotation % (Math.PI * 2) === 0)
+        {
+            if(isRotated)
+            {
+                context.setTransform(transform.a, transform.b, transform.c, transform.d, transform.tx, transform.ty);
+                isRotated = false;
+            }
+
+            // this is the fastest  way to optimise! - if rotation is 0 then we can avoid any kind of setTransform call
+            context.drawImage(texture.baseTexture.source,
+                                 frame.x,
+                                 frame.y,
+                                 frame.width,
+                                 frame.height,
+                                 ((child.anchor.x) * (-frame.width * child.scale.x) + child.position.x  + 0.5) | 0,
+                                 ((child.anchor.y) * (-frame.height * child.scale.y) + child.position.y  + 0.5) | 0,
+                                 frame.width * child.scale.x,
+                                 frame.height * child.scale.y);
+        }
+        else
+        {
+            if(!isRotated)isRotated = true;
+    
+            child.displayObjectUpdateTransform();
+           
+            var childTransform = child.worldTransform;
+
+            // allow for trimming
+           
+            if (renderSession.roundPixels)
+            {
+                context.setTransform(childTransform.a, childTransform.b, childTransform.c, childTransform.d, childTransform.tx | 0, childTransform.ty | 0);
+            }
+            else
+            {
+                context.setTransform(childTransform.a, childTransform.b, childTransform.c, childTransform.d, childTransform.tx, childTransform.ty);
+            }
+
+            context.drawImage(texture.baseTexture.source,
+                                 frame.x,
+                                 frame.y,
+                                 frame.width,
+                                 frame.height,
+                                 ((child.anchor.x) * (-frame.width) + 0.5) | 0,
+                                 ((child.anchor.y) * (-frame.height) + 0.5) | 0,
+                                 frame.width,
+                                 frame.height);
+           
+
+        }
+
+       // context.restore();
+    }
+
+//    context.restore();
+};