public function init():void {
     graphics.lineStyle(1, 0, 1);
     graphics.beginFill(0xffff00);
     graphics.moveTo(-50, -25);
     graphics.lineTo(0, -25);
     graphics.lineTo(0, -50);
     graphics.lineTo(50, 0);
     graphics.lineTo(0, 50);
     graphics.lineTo(0, 25);
     graphics.lineTo(-50, 25);
     graphics.lineTo(-50, -25);
     graphics.endFill();
    }
   }
  }