   @name EMPTY
   @fieldOf Sprite
   @constant
-  @type Sprite
+  @returns {Sprite}
   ###
   ###*
   A sprite that draws nothing.

  @methodOf Sprite

  @param {Number} id Pixie Id of the sprite to load
  @param {Function} [callback] Function to execute once the image is loaded. The image proxy data is passed to this as a parameter.

  @returns {Sprite}
  ###

  @name NONE
  @fieldOf Sprite
  @constant
  @returns {Sprite}
  ###
  Sprite.EMPTY = Sprite.NONE = LoaderProxy()

