Не работает ColorTransform

[JekelSkaz]

чего не фурычит? ошибка:

...engine.as, Line 13 1046: Type was not found or was not a compile-time constant: ColorTransform.
...engine.as, Line 13 1180: Call to a possibly undefined method ColorTransform.

package lib{
	import flash.display.*;
	import flash.events.*;
	public class engine extends MovieClip{
		public function engine(){
			stage.addEventListener(MouseEvent.MOUSE_DOWN, addkrug);
		}
		public function addkrug(e:MouseEvent):void {
			var newCircle:krug = new krug(); 
			this.addChild(newCircle); 
  			newCircle.x = mouseX; 
			newCircle.y = mouseY;
			var myColorTransform:ColorTransform = new ColorTransform();
			myColorTransform.color = (Math.random() * 0xFFFFFF);
			newCircle.transform.colorTransform = myColorTransform;
		}
	}
}