72e38cccb0
shaders optimised - removed need for 4x4 matrix draw elipse added any shape can now be filled
1090 lines
31 KiB
HTML
1090 lines
31 KiB
HTML
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<h1 class="file-heading">File: src/pixi/renderers/webgl/WebGLRenderGroup.js</h1>
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<div class="file">
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<pre class="code prettyprint linenums">
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/**
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* @author Mat Groves http://matgroves.com/ @Doormat23
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*/
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/**
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* A WebGLBatch Enables a group of sprites to be drawn using the same settings.
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* if a group of sprites all have the same baseTexture and blendMode then they can be grouped into a batch. All the sprites in a batch can then be drawn in one go by the GPU which is hugely efficient. ALL sprites in the webGL renderer are added to a batch even if the batch only contains one sprite. Batching is handled automatically by the webGL renderer. A good tip is: the smaller the number of batchs there are, the faster the webGL renderer will run.
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* @class WebGLBatch
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* @param an instance of the webGL context
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* @return {PIXI.renderers.WebGLBatch} WebGLBatch {@link PIXI.renderers.WebGLBatch}
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*/
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PIXI.WebGLRenderGroup = function(gl)
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{
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this.gl = gl;
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this.root;
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this.backgroundColor;
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this.batchs = [];
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this.toRemove = [];
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}
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// constructor
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PIXI.WebGLRenderGroup.constructor = PIXI.WebGLRenderGroup;
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PIXI.WebGLRenderGroup.prototype.setRenderable = function(displayObject)
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{
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// has this changed??
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if(this.root)this.removeDisplayObjectAndChildren(this.root);
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displayObject.worldVisible = displayObject.visible;
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// soooooo //
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// to check if any batchs exist already??
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// TODO what if its already has an object? should remove it
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this.root = displayObject;
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//displayObject.__renderGroup = this;
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this.addDisplayObjectAndChildren(displayObject);
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//displayObject
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}
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PIXI.WebGLRenderGroup.prototype.render = function(projectionMatrix)
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{
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PIXI.WebGLRenderer.updateTextures();
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var gl = this.gl;
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// set the flipped matrix..
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gl.uniformMatrix4fv(PIXI.shaderProgram.mvMatrixUniform, false, projectionMatrix);
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// TODO remove this by replacing visible with getter setters..
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this.checkVisibility(this.root, this.root.visible);
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// will render all the elements in the group
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var renderable;
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for (var i=0; i < this.batchs.length; i++)
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{
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renderable = this.batchs[i];
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if(renderable instanceof PIXI.WebGLBatch)
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{
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this.batchs[i].render();
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}
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else if(renderable instanceof PIXI.TilingSprite)
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{
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if(renderable.visible)this.renderTilingSprite(renderable, projectionMatrix);
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}
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else if(renderable instanceof PIXI.Strip)
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{
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if(renderable.visible)this.renderStrip(renderable, projectionMatrix);
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}
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else if(renderable instanceof PIXI.Graphics)
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{
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if(renderable.visible) PIXI.WebGLGraphics.renderGraphics(renderable);//, projectionMatrix);
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}
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}
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}
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PIXI.WebGLRenderGroup.prototype.renderSpecific = function(displayObject, projectionMatrix)
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{
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PIXI.WebGLRenderer.updateTextures();
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var gl = this.gl;
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this.checkVisibility(displayObject, displayObject.visible);
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gl.uniformMatrix4fv(PIXI.shaderProgram.mvMatrixUniform, false, projectionMatrix);
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//console.log("SPECIFIC");
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// to do!
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// render part of the scene...
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var startIndex;
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var startBatchIndex;
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var endIndex;
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var endBatchIndex;
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// get NEXT Renderable!
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var nextRenderable = displayObject.renderable ? displayObject : this.getNextRenderable(displayObject);
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var startBatch = nextRenderable.batch;
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if(nextRenderable instanceof PIXI.Sprite)
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{
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startBatch = nextRenderable.batch;
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var head = startBatch.head;
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var next = head;
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// ok now we have the batch.. need to find the start index!
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if(head == nextRenderable)
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{
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startIndex = 0;
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}
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else
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{
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startIndex = 1;
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while(head.__next != nextRenderable)
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{
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startIndex++;
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head = head.__next;
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}
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}
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}
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else
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{
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startBatch = nextRenderable;
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}
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// Get the LAST renderable object
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var lastRenderable = displayObject;
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var endBatch;
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var lastItem = displayObject;
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while(lastItem.children.length > 0)
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{
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lastItem = lastItem.children[lastItem.children.length-1];
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if(lastItem.renderable)lastRenderable = lastItem;
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}
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if(lastRenderable instanceof PIXI.Sprite)
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{
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endBatch = lastRenderable.batch;
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var head = endBatch.head;
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if(head == lastRenderable)
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{
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endIndex = 0;
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}
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else
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{
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endIndex = 1;
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while(head.__next != lastRenderable)
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{
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endIndex++;
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head = head.__next;
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}
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}
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}
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else
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{
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endBatch = lastRenderable;
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}
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// TODO - need to fold this up a bit!
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if(startBatch == endBatch)
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{
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if(startBatch instanceof PIXI.WebGLBatch)
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{
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startBatch.render(startIndex, endIndex+1);
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}
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else if(startBatch instanceof PIXI.TilingSprite)
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{
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if(startBatch.visible)this.renderTilingSprite(startBatch, projectionMatrix);
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}
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else if(startBatch instanceof PIXI.Strip)
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{
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if(startBatch.visible)this.renderStrip(startBatch, projectionMatrix);
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}
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else if(startBatch instanceof PIXI.CustomRenderable)
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{
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if(startBatch.visible) startBatch.renderWebGL(this, projectionMatrix);
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}
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else if(renderable instanceof PIXI.Graphics)
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{
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if(renderable.visible) PIXI.WebGLGraphics.renderGraphics(renderable);//, projectionMatrix);
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}
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return;
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}
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// now we have first and last!
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startBatchIndex = this.batchs.indexOf(startBatch);
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endBatchIndex = this.batchs.indexOf(endBatch);
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// DO the first batch
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if(startBatch instanceof PIXI.WebGLBatch)
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{
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startBatch.render(startIndex);
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}
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else if(startBatch instanceof PIXI.TilingSprite)
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{
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if(startBatch.visible)this.renderTilingSprite(startBatch, projectionMatrix);
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}
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else if(startBatch instanceof PIXI.Strip)
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{
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if(startBatch.visible)this.renderStrip(startBatch, projectionMatrix);
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}
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else if(startBatch instanceof PIXI.CustomRenderable)
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{
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if(startBatch.visible) startBatch.renderWebGL(this, projectionMatrix);
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}
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else if(renderable instanceof PIXI.Graphics)
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{
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if(renderable.visible) PIXI.WebGLGraphics.renderGraphics(renderable);//, projectionMatrix);
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}
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// DO the middle batchs..
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for (var i=startBatchIndex+1; i < endBatchIndex; i++)
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{
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renderable = this.batchs[i];
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if(renderable instanceof PIXI.WebGLBatch)
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{
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this.batchs[i].render();
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}
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else if(renderable instanceof PIXI.TilingSprite)
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{
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if(renderable.visible)this.renderTilingSprite(renderable, projectionMatrix);
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}
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else if(renderable instanceof PIXI.Strip)
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{
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if(renderable.visible)this.renderStrip(renderable, projectionMatrix);
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}
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else if(renderable instanceof PIXI.CustomRenderable)
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{
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if(renderable.visible) renderable.renderWebGL(this, projectionMatrix);
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}
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else if(renderable instanceof PIXI.Graphics)
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{
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if(renderable.visible) PIXI.WebGLGraphics.renderGraphics(renderable);//, projectionMatrix);
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}
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}
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// DO the last batch..
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if(endBatch instanceof PIXI.WebGLBatch)
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{
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endBatch.render(0, endIndex+1);
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}
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else if(endBatch instanceof PIXI.TilingSprite)
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{
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if(endBatch.visible)this.renderTilingSprite(endBatch);
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}
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else if(endBatch instanceof PIXI.Strip)
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{
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if(endBatch.visible)this.renderStrip(endBatch);
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}
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else if(endBatch instanceof PIXI.CustomRenderable)
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{
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if(endBatch.visible) endBatch.renderWebGL(this, projectionMatrix);
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}
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else if(renderable instanceof PIXI.Graphics)
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{
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if(renderable.visible) PIXI.WebGLGraphics.renderGraphics(renderable);//, projectionMatrix);
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}
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}
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PIXI.WebGLRenderGroup.prototype.checkVisibility = function(displayObject, globalVisible)
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{
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// give the dp a refference to its renderGroup...
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var children = displayObject.children;
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//displayObject.worldVisible = globalVisible;
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for (var i=0; i < children.length; i++)
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{
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var child = children[i];
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// TODO optimize... shouldt need to loop through everything all the time
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child.worldVisible = child.visible && globalVisible;
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// everything should have a batch!
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// time to see whats new!
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if(child.textureChange)
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{
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child.textureChange = false;
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if(child.worldVisible)
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{
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this.removeDisplayObject(child);
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this.addDisplayObject(child);
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//this.updateTexture(child);
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}
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// update texture!!
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}
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if(child.children.length > 0)
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{
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this.checkVisibility(child, child.worldVisible);
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}
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};
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}
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PIXI.WebGLRenderGroup.prototype.updateTexture = function(displayObject)
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{
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// we know this exists..
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// is it in a batch..
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// check batch length
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if(displayObject.batch.length == 1)
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{
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// just one! this guy! so simply swap the texture
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displayObject.batch.texture = displayObject.texture.baseTexture;
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return;
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}
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// early out!
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if(displayObject.batch.texture == displayObject.texture.baseTexture)return;
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if(displayObject.batch.head == displayObject)
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{
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//console.log("HEAD")
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var currentBatch = displayObject.batch;
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var index = this.batchs.indexOf( currentBatch );
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var previousBatch = this.batchs[index-1];
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currentBatch.remove(displayObject);
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if(previousBatch)
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{
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if(previousBatch.texture == displayObject.texture.baseTexture && previousBatch.blendMode == displayObject.blendMode)
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{
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previousBatch.insertAfter(displayObject, previousBatch.tail);
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}
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else
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{
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// add it before..
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var batch = PIXI.WebGLRenderer.getBatch();
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batch.init(displayObject);
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this.batchs.splice(index-1, 0, batch);
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}
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}
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else
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{
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// we are 0!
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var batch = PIXI.WebGLRenderer.getBatch();
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batch.init(displayObject);
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this.batchs.splice(0, 0, batch);
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}
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}
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else if(displayObject.batch.tail == displayObject)
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{
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var currentBatch = displayObject.batch;
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var index = this.batchs.indexOf( currentBatch );
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var nextBatch = this.batchs[index+1];
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currentBatch.remove(displayObject);
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if(nextBatch)
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{
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if(nextBatch.texture == displayObject.texture.baseTexture && nextBatch.blendMode == displayObject.blendMode)
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{
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nextBatch.insertBefore(displayObject, nextBatch.head);
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return;
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}
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else
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{
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// add it before..
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var batch = PIXI.WebGLRenderer.getBatch();
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batch.init(displayObject);
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this.batchs.splice(index+1, 0, batch);
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}
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}
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else
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{
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// we are 0!
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var batch = PIXI.WebGLRenderer.getBatch();
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batch.init(displayObject);
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this.batchs.push(batch);
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}
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}
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else
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{
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// console.log("MIDDLE")
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var currentBatch = displayObject.batch;
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// split the batch into 2
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// AH! dont split on the current display object as the texture is wrong!
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var splitBatch = currentBatch.split(displayObject);
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// now remove the display object
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splitBatch.remove(displayObject);
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var batch = PIXI.WebGLRenderer.getBatch();
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var index = this.batchs.indexOf( currentBatch );
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batch.init(displayObject);
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this.batchs.splice(index+1, 0, batch, splitBatch);
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}
|
|
}
|
|
|
|
PIXI.WebGLRenderGroup.prototype.addDisplayObject = function(displayObject)
|
|
{
|
|
// add a child to the render group..
|
|
if(displayObject.__renderGroup)displayObject.__renderGroup.removeDisplayObjectAndChildren(displayObject);
|
|
|
|
// DONT htink this is needed?
|
|
// displayObject.batch = null;
|
|
|
|
displayObject.__renderGroup = this;
|
|
|
|
//displayObject.cacheVisible = true;
|
|
if(!displayObject.renderable)return;
|
|
|
|
// while looping below THE OBJECT MAY NOT HAVE BEEN ADDED
|
|
//displayObject.__inWebGL = true;
|
|
|
|
var previousSprite = this.getPreviousRenderable(displayObject);
|
|
var nextSprite = this.getNextRenderable(displayObject);
|
|
|
|
/*
|
|
* so now we have the next renderable and the previous renderable
|
|
*
|
|
*/
|
|
if(displayObject instanceof PIXI.Sprite)
|
|
{
|
|
var previousBatch
|
|
var nextBatch
|
|
|
|
if(previousSprite instanceof PIXI.Sprite)
|
|
{
|
|
previousBatch = previousSprite.batch;
|
|
if(previousBatch)
|
|
{
|
|
if(previousBatch.texture == displayObject.texture.baseTexture && previousBatch.blendMode == displayObject.blendMode)
|
|
{
|
|
previousBatch.insertAfter(displayObject, previousSprite);
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
// TODO reword!
|
|
previousBatch = previousSprite;
|
|
}
|
|
|
|
if(nextSprite)
|
|
{
|
|
if(nextSprite instanceof PIXI.Sprite)
|
|
{
|
|
nextBatch = nextSprite.batch;
|
|
|
|
//batch may not exist if item was added to the display list but not to the webGL
|
|
if(nextBatch)
|
|
{
|
|
if(nextBatch.texture == displayObject.texture.baseTexture && nextBatch.blendMode == displayObject.blendMode)
|
|
{
|
|
nextBatch.insertBefore(displayObject, nextSprite);
|
|
return;
|
|
}
|
|
else
|
|
{
|
|
if(nextBatch == previousBatch)
|
|
{
|
|
// THERE IS A SPLIT IN THIS BATCH! //
|
|
var splitBatch = previousBatch.split(nextSprite);
|
|
// COOL!
|
|
// add it back into the array
|
|
/*
|
|
* OOPS!
|
|
* seems the new sprite is in the middle of a batch
|
|
* lets split it..
|
|
*/
|
|
var batch = PIXI.WebGLRenderer.getBatch();
|
|
|
|
var index = this.batchs.indexOf( previousBatch );
|
|
batch.init(displayObject);
|
|
this.batchs.splice(index+1, 0, batch, splitBatch);
|
|
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
// TODO re-word!
|
|
nextBatch = nextSprite;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* looks like it does not belong to any batch!
|
|
* but is also not intersecting one..
|
|
* time to create anew one!
|
|
*/
|
|
|
|
var batch = PIXI.WebGLRenderer.getBatch();
|
|
batch.init(displayObject);
|
|
|
|
if(previousBatch) // if this is invalid it means
|
|
{
|
|
var index = this.batchs.indexOf( previousBatch );
|
|
this.batchs.splice(index+1, 0, batch);
|
|
}
|
|
else
|
|
{
|
|
this.batchs.push(batch);
|
|
}
|
|
|
|
}
|
|
else if(displayObject instanceof PIXI.TilingSprite)
|
|
{
|
|
// add to a batch!!
|
|
this.initTilingSprite(displayObject);
|
|
this.batchs.push(displayObject);
|
|
|
|
}
|
|
else if(displayObject instanceof PIXI.Strip)
|
|
{
|
|
// add to a batch!!
|
|
this.initStrip(displayObject);
|
|
this.batchs.push(displayObject);
|
|
}
|
|
else if(displayObject instanceof PIXI.Graphics)
|
|
{
|
|
//displayObject.initWebGL(this);
|
|
|
|
// add to a batch!!
|
|
//this.initStrip(displayObject);
|
|
this.batchs.push(displayObject);
|
|
}
|
|
|
|
// if its somthing else... then custom codes!
|
|
this.batchUpdate = true;
|
|
}
|
|
|
|
PIXI.WebGLRenderGroup.prototype.addDisplayObjectAndChildren = function(displayObject)
|
|
{
|
|
// TODO - this can be faster - but not as important right now
|
|
|
|
this.addDisplayObject(displayObject);
|
|
var children = displayObject.children;
|
|
|
|
for (var i=0; i < children.length; i++)
|
|
{
|
|
this.addDisplayObjectAndChildren(children[i]);
|
|
};
|
|
}
|
|
|
|
PIXI.WebGLRenderGroup.prototype.removeDisplayObject = function(displayObject)
|
|
{
|
|
// loop through children..
|
|
// display object //
|
|
|
|
// add a child from the render group..
|
|
// remove it and all its children!
|
|
//displayObject.cacheVisible = false;//displayObject.visible;
|
|
displayObject.__renderGroup = null;
|
|
|
|
if(!displayObject.renderable)return;
|
|
|
|
/*
|
|
* removing is a lot quicker..
|
|
*
|
|
*/
|
|
var batchToRemove;
|
|
|
|
if(displayObject instanceof PIXI.Sprite)
|
|
{
|
|
// should always have a batch!
|
|
var batch = displayObject.batch;
|
|
if(!batch)return; // this means the display list has been altered befre rendering
|
|
|
|
batch.remove(displayObject);
|
|
|
|
if(batch.size==0)
|
|
{
|
|
batchToRemove = batch;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
batchToRemove = displayObject;
|
|
}
|
|
|
|
/*
|
|
* Looks like there is somthing that needs removing!
|
|
*/
|
|
if(batchToRemove)
|
|
{
|
|
var index = this.batchs.indexOf( batchToRemove );
|
|
if(index == -1)return;// this means it was added then removed before rendered
|
|
|
|
// ok so.. check to see if you adjacent batchs should be joined.
|
|
// TODO may optimise?
|
|
if(index == 0 || index == this.batchs.length-1)
|
|
{
|
|
// wha - eva! just get of the empty batch!
|
|
this.batchs.splice(index, 1);
|
|
if(batchToRemove instanceof PIXI.WebGLBatch)PIXI.WebGLRenderer.returnBatch(batchToRemove);
|
|
|
|
return;
|
|
}
|
|
|
|
if(this.batchs[index-1] instanceof PIXI.WebGLBatch && this.batchs[index+1] instanceof PIXI.WebGLBatch)
|
|
{
|
|
if(this.batchs[index-1].texture == this.batchs[index+1].texture && this.batchs[index-1].blendMode == this.batchs[index+1].blendMode)
|
|
{
|
|
//console.log("MERGE")
|
|
this.batchs[index-1].merge(this.batchs[index+1]);
|
|
|
|
if(batchToRemove instanceof PIXI.WebGLBatch)PIXI.WebGLRenderer.returnBatch(batchToRemove);
|
|
PIXI.WebGLRenderer.returnBatch(this.batchs[index+1]);
|
|
this.batchs.splice(index, 2);
|
|
return;
|
|
}
|
|
}
|
|
|
|
|
|
this.batchs.splice(index, 1);
|
|
if(batchToRemove instanceof PIXI.WebGLBatch)PIXI.WebGLRenderer.returnBatch(batchToRemove);
|
|
}
|
|
}
|
|
|
|
PIXI.WebGLRenderGroup.prototype.removeDisplayObjectAndChildren = function(displayObject)
|
|
{
|
|
// TODO - this can be faster - but not as important right now
|
|
if(displayObject.__renderGroup != this)return;
|
|
|
|
this.removeDisplayObject(displayObject);
|
|
var children = displayObject.children;
|
|
|
|
for (var i=0; i < children.length; i++)
|
|
{
|
|
this.removeDisplayObjectAndChildren(children[i]);
|
|
};
|
|
}
|
|
|
|
/**
|
|
* @private
|
|
*/
|
|
|
|
PIXI.WebGLRenderGroup.prototype.getNextRenderable = function(displayObject)
|
|
{
|
|
/*
|
|
* LOOK FOR THE NEXT SPRITE
|
|
* This part looks for the closest next sprite that can go into a batch
|
|
* it keeps looking until it finds a sprite or gets to the end of the display
|
|
* scene graph
|
|
*
|
|
* These look a lot scarier than the actually are...
|
|
*/
|
|
|
|
var nextSprite = displayObject;
|
|
do
|
|
{
|
|
// moving forward!
|
|
// if it has no children..
|
|
if(nextSprite.children.length == 0)
|
|
{
|
|
//maynot have a parent
|
|
if(!nextSprite.parent)return null;
|
|
|
|
// go along to the parent..
|
|
while(nextSprite.childIndex == nextSprite.parent.children.length-1)
|
|
{
|
|
nextSprite = nextSprite.parent;
|
|
//console.log(">" + nextSprite);
|
|
// console.log(">-" + this.root);
|
|
if(nextSprite == this.root || !nextSprite.parent)//displayObject.stage)
|
|
{
|
|
nextSprite = null
|
|
break;
|
|
}
|
|
}
|
|
|
|
if(nextSprite)nextSprite = nextSprite.parent.children[nextSprite.childIndex+1];
|
|
}
|
|
else
|
|
{
|
|
nextSprite = nextSprite.children[0];
|
|
}
|
|
|
|
if(!nextSprite)break;
|
|
}
|
|
while(!nextSprite.renderable || !nextSprite.__renderGroup)
|
|
|
|
return nextSprite;
|
|
}
|
|
|
|
PIXI.WebGLRenderGroup.prototype.getPreviousRenderable = function(displayObject)
|
|
{
|
|
/*
|
|
* LOOK FOR THE PREVIOUS SPRITE
|
|
* This part looks for the closest previous sprite that can go into a batch
|
|
* It keeps going back until it finds a sprite or the stage
|
|
*/
|
|
var previousSprite = displayObject;
|
|
do
|
|
{
|
|
if(previousSprite.childIndex == 0)
|
|
{
|
|
previousSprite = previousSprite.parent;
|
|
if(!previousSprite)return null;
|
|
}
|
|
else
|
|
{
|
|
|
|
previousSprite = previousSprite.parent.children[previousSprite.childIndex-1];
|
|
// what if the bloop has children???
|
|
while(previousSprite.children.length != 0)
|
|
{
|
|
// keep diggin till we get to the last child
|
|
previousSprite = previousSprite.children[previousSprite.children.length-1];
|
|
}
|
|
}
|
|
|
|
if(previousSprite == this.root)break;
|
|
}
|
|
while(!previousSprite.renderable || !previousSprite.__renderGroup);
|
|
|
|
return previousSprite;
|
|
}
|
|
|
|
/**
|
|
* @private
|
|
*/
|
|
PIXI.WebGLRenderGroup.prototype.initTilingSprite = function(sprite)
|
|
{
|
|
var gl = this.gl;
|
|
|
|
// make the texture tilable..
|
|
|
|
sprite.verticies = new Float32Array([0, 0,
|
|
sprite.width, 0,
|
|
sprite.width, sprite.height,
|
|
0, sprite.height]);
|
|
|
|
sprite.uvs = new Float32Array([0, 0,
|
|
1, 0,
|
|
1, 1,
|
|
0, 1]);
|
|
|
|
sprite.colors = new Float32Array([1,1,1,1]);
|
|
|
|
sprite.indices = new Uint16Array([0, 1, 3,2])//, 2]);
|
|
|
|
|
|
sprite._vertexBuffer = gl.createBuffer();
|
|
sprite._indexBuffer = gl.createBuffer();
|
|
sprite._uvBuffer = gl.createBuffer();
|
|
sprite._colorBuffer = gl.createBuffer();
|
|
|
|
gl.bindBuffer(gl.ARRAY_BUFFER, sprite._vertexBuffer);
|
|
gl.bufferData(gl.ARRAY_BUFFER, sprite.verticies, gl.STATIC_DRAW);
|
|
|
|
gl.bindBuffer(gl.ARRAY_BUFFER, sprite._uvBuffer);
|
|
gl.bufferData(gl.ARRAY_BUFFER, sprite.uvs, gl.DYNAMIC_DRAW);
|
|
|
|
gl.bindBuffer(gl.ARRAY_BUFFER, sprite._colorBuffer);
|
|
gl.bufferData(gl.ARRAY_BUFFER, sprite.colors, gl.STATIC_DRAW);
|
|
|
|
gl.bindBuffer(gl.ELEMENT_ARRAY_BUFFER, sprite._indexBuffer);
|
|
gl.bufferData(gl.ELEMENT_ARRAY_BUFFER, sprite.indices, gl.STATIC_DRAW);
|
|
|
|
// return ( (x > 0) && ((x & (x - 1)) == 0) );
|
|
|
|
if(sprite.texture.baseTexture._glTexture)
|
|
{
|
|
gl.bindTexture(gl.TEXTURE_2D, sprite.texture.baseTexture._glTexture);
|
|
gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.REPEAT);
|
|
gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.REPEAT);
|
|
sprite.texture.baseTexture._powerOf2 = true;
|
|
}
|
|
else
|
|
{
|
|
sprite.texture.baseTexture._powerOf2 = true;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @private
|
|
*/
|
|
PIXI.WebGLRenderGroup.prototype.renderStrip = function(strip, projectionMatrix)
|
|
{
|
|
var gl = this.gl;
|
|
var shaderProgram = PIXI.shaderProgram;
|
|
// mat
|
|
var mat4Real = PIXI.mat3.toMat4(strip.worldTransform);
|
|
PIXI.mat4.transpose(mat4Real);
|
|
PIXI.mat4.multiply(projectionMatrix, mat4Real, mat4Real )
|
|
|
|
gl.uniformMatrix4fv(shaderProgram.mvMatrixUniform, false, mat4Real);
|
|
|
|
if(strip.blendMode == PIXI.blendModes.NORMAL)
|
|
{
|
|
gl.blendFunc(gl.ONE, gl.ONE_MINUS_SRC_ALPHA);
|
|
}
|
|
else
|
|
{
|
|
gl.blendFunc(gl.ONE, gl.ONE_MINUS_SRC_COLOR);
|
|
}
|
|
|
|
if(!strip.dirty)
|
|
{
|
|
|
|
gl.bindBuffer(gl.ARRAY_BUFFER, strip._vertexBuffer);
|
|
gl.bufferSubData(gl.ARRAY_BUFFER, 0, strip.verticies)
|
|
gl.vertexAttribPointer(shaderProgram.vertexPositionAttribute, 2, gl.FLOAT, false, 0, 0);
|
|
|
|
// update the uvs
|
|
gl.bindBuffer(gl.ARRAY_BUFFER, strip._uvBuffer);
|
|
gl.vertexAttribPointer(shaderProgram.textureCoordAttribute, 2, gl.FLOAT, false, 0, 0);
|
|
|
|
gl.activeTexture(gl.TEXTURE0);
|
|
gl.bindTexture(gl.TEXTURE_2D, strip.texture.baseTexture._glTexture);
|
|
|
|
gl.bindBuffer(gl.ARRAY_BUFFER, strip._colorBuffer);
|
|
gl.vertexAttribPointer(shaderProgram.colorAttribute, 1, gl.FLOAT, false, 0, 0);
|
|
|
|
// dont need to upload!
|
|
gl.bindBuffer(gl.ELEMENT_ARRAY_BUFFER, strip._indexBuffer);
|
|
|
|
|
|
}
|
|
else
|
|
{
|
|
strip.dirty = false;
|
|
gl.bindBuffer(gl.ARRAY_BUFFER, strip._vertexBuffer);
|
|
gl.bufferData(gl.ARRAY_BUFFER, strip.verticies, gl.STATIC_DRAW)
|
|
gl.vertexAttribPointer(shaderProgram.vertexPositionAttribute, 2, gl.FLOAT, false, 0, 0);
|
|
|
|
// update the uvs
|
|
gl.bindBuffer(gl.ARRAY_BUFFER, strip._uvBuffer);
|
|
gl.bufferData(gl.ARRAY_BUFFER, strip.uvs, gl.STATIC_DRAW)
|
|
gl.vertexAttribPointer(shaderProgram.textureCoordAttribute, 2, gl.FLOAT, false, 0, 0);
|
|
|
|
gl.activeTexture(gl.TEXTURE0);
|
|
gl.bindTexture(gl.TEXTURE_2D, strip.texture.baseTexture._glTexture);
|
|
|
|
gl.bindBuffer(gl.ARRAY_BUFFER, strip._colorBuffer);
|
|
gl.bufferData(gl.ARRAY_BUFFER, strip.colors, gl.STATIC_DRAW)
|
|
gl.vertexAttribPointer(shaderProgram.colorAttribute, 1, gl.FLOAT, false, 0, 0);
|
|
|
|
// dont need to upload!
|
|
gl.bindBuffer(gl.ELEMENT_ARRAY_BUFFER, strip._indexBuffer);
|
|
gl.bufferData(gl.ELEMENT_ARRAY_BUFFER, strip.indices, gl.STATIC_DRAW);
|
|
|
|
}
|
|
//console.log(gl.TRIANGLE_STRIP)
|
|
gl.drawElements(gl.TRIANGLE_STRIP, strip.indices.length, gl.UNSIGNED_SHORT, 0);
|
|
|
|
gl.uniformMatrix4fv(shaderProgram.mvMatrixUniform, false, projectionMatrix);
|
|
|
|
}
|
|
|
|
|
|
/**
|
|
* @private
|
|
*/
|
|
PIXI.WebGLRenderGroup.prototype.renderTilingSprite = function(sprite, projectionMatrix)
|
|
{
|
|
var gl = this.gl;
|
|
var shaderProgram = PIXI.shaderProgram;
|
|
|
|
var tilePosition = sprite.tilePosition;
|
|
var tileScale = sprite.tileScale;
|
|
|
|
var offsetX = tilePosition.x/sprite.texture.baseTexture.width;
|
|
var offsetY = tilePosition.y/sprite.texture.baseTexture.height;
|
|
|
|
var scaleX = (sprite.width / sprite.texture.baseTexture.width) / tileScale.x;
|
|
var scaleY = (sprite.height / sprite.texture.baseTexture.height) / tileScale.y;
|
|
|
|
sprite.uvs[0] = 0 - offsetX;
|
|
sprite.uvs[1] = 0 - offsetY;
|
|
|
|
sprite.uvs[2] = (1 * scaleX) -offsetX;
|
|
sprite.uvs[3] = 0 - offsetY;
|
|
|
|
sprite.uvs[4] = (1 *scaleX) - offsetX;
|
|
sprite.uvs[5] = (1 *scaleY) - offsetY;
|
|
|
|
sprite.uvs[6] = 0 - offsetX;
|
|
sprite.uvs[7] = (1 *scaleY) - offsetY;
|
|
|
|
gl.bindBuffer(gl.ARRAY_BUFFER, sprite._uvBuffer);
|
|
gl.bufferSubData(gl.ARRAY_BUFFER, 0, sprite.uvs)
|
|
|
|
this.renderStrip(sprite, projectionMatrix);
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
* @private
|
|
*/
|
|
PIXI.WebGLRenderer.prototype.initStrip = function(strip)
|
|
{
|
|
// build the strip!
|
|
var gl = this.gl;
|
|
var shaderProgram = this.shaderProgram;
|
|
|
|
strip._vertexBuffer = gl.createBuffer();
|
|
strip._indexBuffer = gl.createBuffer();
|
|
strip._uvBuffer = gl.createBuffer();
|
|
strip._colorBuffer = gl.createBuffer();
|
|
|
|
gl.bindBuffer(gl.ARRAY_BUFFER, strip._vertexBuffer);
|
|
gl.bufferData(gl.ARRAY_BUFFER, strip.verticies, gl.DYNAMIC_DRAW);
|
|
|
|
gl.bindBuffer(gl.ARRAY_BUFFER, strip._uvBuffer);
|
|
gl.bufferData(gl.ARRAY_BUFFER, strip.uvs, gl.STATIC_DRAW);
|
|
|
|
gl.bindBuffer(gl.ARRAY_BUFFER, strip._colorBuffer);
|
|
gl.bufferData(gl.ARRAY_BUFFER, strip.colors, gl.STATIC_DRAW);
|
|
|
|
|
|
gl.bindBuffer(gl.ELEMENT_ARRAY_BUFFER, strip._indexBuffer);
|
|
gl.bufferData(gl.ELEMENT_ARRAY_BUFFER, strip.indices, gl.STATIC_DRAW);
|
|
}
|
|
|
|
|
|
</pre>
|
|
</div>
|
|
|
|
</div>
|
|
</div>
|
|
</div>
|
|
</div>
|
|
</div>
|
|
</div>
|
|
<script src="../assets/vendor/prettify/prettify-min.js"></script>
|
|
<script>prettyPrint();</script>
|
|
<script src="../assets/js/yui-prettify.js"></script>
|
|
<script src="../assets/../api.js"></script>
|
|
<script src="../assets/js/api-filter.js"></script>
|
|
<script src="../assets/js/api-list.js"></script>
|
|
<script src="../assets/js/api-search.js"></script>
|
|
<script src="../assets/js/apidocs.js"></script>
|
|
</body>
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</html>
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