一个基于有限差分法的水滴动画模拟，自己第一次做，还有待改进，不过效果还不错，给大家分享。在VC＋＋6.0下编译通过。-a finite difference method based on the animated simulation of the water droplet, their first time, there is room for improvement. But the results were pretty good for everyone to share. The