利用Ogre实现了雨滴的效果，还可以改变createscene函数实现自己的场景。-Use Ogre realize the effect of the raindrops, but also can change the function createscene achieve its own scene.

用d3d编写的一个功能比较简单的粒子系统编辑器-Write a function with the d3d relatively simple particle system editor ....