一款仿真MP3播放器，很有意思，感兴趣的可以下来试试。-A simulation MP3 player, very interesting, interested in down to try.

这是一个粒子系统在processing中的实现，效果炫丽，可以应用在动画与流体仿真中。-This is a particle system in processing the realization, dazzling effects, can be used in animation and fluid simulation.