var BitmapMask = require('../../display/mask/BitmapMask'); 
var GeometryMask = require('../../display/mask/GeometryMask'); 
var Mask = { 
mask: null ,
setMask: function (mask){ 
this.mask = mask; 
return this; 
} 
,
clearMask: function (destroyMask){ 
if (destroyMask === undefined) { 
destroyMask = false ; 
} 
if (destroyMask && this.mask) { 
this.mask.destroy(); 
} 
this.mask = null ; 
return this; 
} 
,
createBitmapMask: function (renderable){ 
if (renderable === undefined && (this.texture || this.shader)) { 
renderable = this; 
} 
return new BitmapMask(this.scene, renderable); 
} 
,
createGeometryMask: function (graphics){ 
if (graphics === undefined && this.type === 'Graphics') { 
graphics = this; 
} 
return new GeometryMask(this.scene, graphics); 
} 
}
; 
module.exports = Mask;