Æliens

    private function init():void
    {
     sprite = new Sprite();
     sprite.graphics.lineStyle(2);
     sprite.graphics.beginFill(0xffff00);
     sprite.graphics.drawRect(-50, -50, 100, 100);
     sprite.graphics.endFill();
     sprite.x = 200;
     sprite.y = 200;
     addChild(sprite);
     
     filter = new DropShadowFilter(0, 0, 0, 1, 20, 20, .3);
     
     addEventListener(Event.ENTER_FRAME, onEnterFrame);
    }
   

    private function onEnterFrame(event:Event):void
    {
     var dx:Number = mouseX - sprite.x;
     var dy:Number = mouseY - sprite.y;
     
     filter.distance = -Math.sqrt(dx * dx + dy * dy) / 10;
     filter.angle = Math.atan2(dy, dx) * 180 / Math.PI;
     sprite.filters = [filter];
    }
   }
  }