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.

这是用粒子系统形成的瀑布，可通过移动瀑布从不同角度观看。-This is a waterfall with a particle system formed by moving waterfall viewed different angles.