C++实现旋转的四种几何体，几种几何体的简洁绘制法，点击debug下的exe文件可以直接看到运行效果，运行需要DirectX运行库的支持。 -C++ realization of four kinds of geometric body rotation, simple drawing method of the geometry of the debug, click the EXE file can be seen running effect directly, the need t