var EffectLayer = require('./EffectLayer'); 
var GameObjectFactory = require('../../scene/plugins/GameObjectFactory'); 
if (WEBGL_RENDERER) { 
GameObjectFactory.register('effectLayer', function (x, y, width, height, effectName, fragmentShader){ 
return this.displayList.add(new EffectLayer(this.scene, x, y, width, height, effectName, fragmentShader)); 
} 
); 
}