var Class = require('../../utils/Class'); 
var Components = require('../components'); 
var GameObject = require('../GameObject'); 
var List = require('../../structs/List'); 
var Render = require('./ContainerRender'); 
var Vector2 = require('../../math/Vector2'); 
var Container = new Class({ 
Extends: GameObject,
Mixins: [Components.BlendMode, Components.Depth, Components.Transform, Components.Visible, Render, List] ,
initialize: function Container(scene, x, y, children){ 
GameObject.call(this, scene, 'Container'); 
this.parent = this; 
this.list = [] ; 
this.position = 0; 
this.localTransform = new Components.TransformMatrix(); 
this.tempTransformMatrix = new Components.TransformMatrix(); 
this.addCallback = this.addHandler; 
this.removeCallback = this.removeHandler; 
this._displayList = scene.sys.displayList; 
this.setPosition(x, y); 
if (Array.isArray(children)) { 
this.addMultiple(children); 
} 
} 
,
addHandler: function (list, gameObject){ 
this._displayList.remove(gameObject); 
gameObject.on('destroy', this.remove, this); 
if (gameObject.parentContainer) { 
gameObject.parentContainer.remove(gameObject); 
} 
gameObject.parentContainer = list; 
} 
,
removeHandler: function (list, gameObject){ 
gameObject.off('destroy', list.remove, this); 
gameObject.parentContainer = null ; 
} 
,
pointToContainer: function (source, output){ 
if (output === undefined) { 
output = new Vector2(); 
} 
if (this.parentContainer) { 
return this.parentContainer.pointToContainer(source, output); 
} 
var tempMatrix = this.tempTransformMatrix; 
tempMatrix.applyITRS(this.x, this.y, this.rotation, this.scaleX, this.scaleY); 
tempMatrix.invert(); 
tempMatrix.transformPoint(source.x, source.y, output); 
return output; 
} 
,
localToWorld: function (child, camera, output){ 
if (camera === undefined) { 
camera = this.scene.sys.cameras.main; 
} 
if (output === undefined) { 
output = new Vector2(); 
} 
if (this.exists(child)) { 
} 
return output; 
} 
,
destroy: function (){ 
if (!this.scene) { 
return ; 
} 
if (this.preDestroy) { 
this.preDestroy.call(this); 
} 
this.emit('destroy', this); 
var sys = this.scene.sys; 
sys.displayList.remove(this); 
if (this.data) { 
this.data.destroy(); 
this.data = undefined; 
} 
sys.queueDepthSort(); 
this.active = false ; 
this.visible = false ; 
this.scene = undefined; 
this.removeAllListeners(); 
this.removeAll(); 
this.list = [] ; 
this.parent = null ; 
this.parentContainer = null ; 
} 
}
); 
module.exports = Container;