点击运行后，显示屏上出现一个蓝色的水面，当单击动画工具按钮后，再用鼠标点击屏幕，会显示水纹扩散，再次点击工具按钮，动画停止，屏幕定格-Click to run after a blue screen appeared on the surface, when the button click animation tool, and then click the screen will show the spread of水纹, click the Tools button again, anim

运行程序，显示屏左上角方出现一个小球，当单击动画工具按钮时，小球开始下落，最后停在地板上，再次单击动画工具按钮，动画结束，屏幕定格-Run the program, display the top left corner of a square ball, when the button click animation tools, the beginning of the whereabouts of the ball, the last stop on the floor, once aga