prog.hu: AS3 class MouseEvent error teszt

/**
 * Copyright szbzs2004 ( http://wonderfl.net/user/szbzs2004 )
 * MIT License ( http://www.opensource.org/licenses/mit-license.php )
 * Downloaded from: http://wonderfl.net/c/i55R
 */

// http://prog.hu/tudastar/121124-10/AS3+class+MouseEvent+error.html

package {
    
    import flash.display.MovieClip;
    import flash.events.MouseEvent;

    public class Ellipse extends MovieClip{

        private var eHeight:uint;
        private var eWidth:uint;
        private var eColor:uint;
    
        public function Ellipse(h:uint=40,w:uint=40,c:uint=0xff0000) {
            eHeight = h;
            eWidth  = w;
            eColor  = c;
            stage.addEventListener(MouseEvent.MOUSE_DOWN, startPainting);
            stage.addEventListener(MouseEvent.MOUSE_UP,   stopPainting);
        }

        private function startPainting(e:MouseEvent):void {
            stage.addEventListener(MouseEvent.MOUSE_MOVE, doPainting);
            eColor = Math.random()*0xFFFFFF;
        }
   
        private function stopPainting(e:MouseEvent):void {
            stage.removeEventListener(MouseEvent.MOUSE_MOVE, doPainting);
        }
   
        private function doPainting(e:MouseEvent):void {
            graphics.beginFill(eColor);
            graphics.drawEllipse(mouseX-(eWidth/2), mouseY-(eHeight/2), eWidth, eHeight);
            graphics.endFill();
        }
    }
}