The concept of particle effects is very simple. Particle effects can be used to simulate fire, fireworks, water fountains, snow, rain, explosions and many other things. The effects are created by creating a definite number of particles. Depending on

Shadows example. 2 Cubes , one moving, the other has shadow. One light source. It is nice to see the way shadows react

简单易用，运行一个M文件即可，有说明说； 测试数据程序生成； 含投影数据成成，投影矩阵生成等。 ART/CT/MART/SIRT/ 感谢我师兄，为我师兄原创-Previously provided by the source, a lot of people will not react with, and contact me, So I put it into an m file, so you can simply run this file you can s