public class PlayerWin extends World
    {
        public var winscreen:WinScreen = new WinScreen(0, 0);

        public function PlayerWin()
        {
            add(winscreen);

        }
    }
}


WINSCREEN:

    public class WinScreen extends Entity
    {

        public function WinScreen(x:int, y:int)
        {
            type = "winscreen";
            this.graphic = new Image (Assets.playerwin1);
            this.x = x;
            this.y = y
        }

    }

}