Flash5 碰壁小球本来用 Flash4 也可以实现的一个功能，但是用 Flash5 的 Action 编辑很顺手，一会儿就完成了。到处碰壁的交互小球！-Flash5 rebuffed ball originally used Flash4 can achieve a functional, but with the Action Editor Flash5 very smoothly, and while it is completed. The interactive rebuffed e