[]绘制图形的BUG

package ui.test

{

	import laya.display.Sprite;

	import laya.utils.Tween;

	

	public class MyBox extends Sprite

	{

		private var _shape:Sprite;

		public function MyBox()

		{

			super();

			

			graphics.drawRect(0,0,200,200,"#00ff00");

			

			_shape=new Sprite();

			_shape.graphics.drawCircle(0,0,20,"#ff0000");

			addChild(_shape);

			//加上这句正常，反之则异常

			//_shape.cacheAsBitmap=true;

			

			pos(300,300);

			

			Tween.to(this,{rotation:360},3000);

		}

		

		override public function get width():Number{

			return _shape.width;

		}

		

		override public function get height():Number{

			return _shape.height;

		}

	}

}

package ui.test

{

	import laya.display.Sprite;

	import laya.events.Event;

	

	public class MyBox1 extends Sprite

	{

		private var _sprite:Sprite;

		public function MyBox1()

		{

			super();

			

			_sprite=new Sprite();

			//这里明明传入了尺寸，为什么graphics没有宽高信息

			_sprite.graphics.drawRect(0,0,200,200,"#ff0000");

			_sprite.cacheAsBitmap=true;

			addChild(_sprite);

			

			trace(_sprite.width,_sprite.height);//这里输出居然是  0，0.

			//所以这里必须手动设置尺寸，才能生效

			_sprite.size(200,200);

			on(Event.CLICK,this,function():void{

				trace("click");

			});

		}

		

		override public function get width():Number{

			return _sprite.width;

		}

		

		override public function get height():Number{

			return _sprite.height;

		}

	}

}