Æliens

    private function init():void
    {
     graphics.lineStyle(1);
     stage.addEventListener(MouseEvent.MOUSE_DOWN, onMouseDown);
     stage.addEventListener(MouseEvent.MOUSE_UP, onMouseUp);
    }
   

    private function onMouseDown(event:MouseEvent):void
    {
     graphics.moveTo(mouseX, mouseY);
     stage.addEventListener(MouseEvent.MOUSE_MOVE, onMouseMove);
    }
    
    private function onMouseUp(event:MouseEvent):void
    {
     stage.removeEventListener(MouseEvent.MOUSE_MOVE, onMouseMove);
    }
  

    private function onMouseMove(event:MouseEvent):void
    {
     graphics.lineTo(mouseX, mouseY);
    }
   }
  }