Dex3d源程序，入门开发很好的参考，中间有一个3D绘图的库函，另还添加了一些3D动态转动显示等功能。-Dex3d source, started developing a good reference, the middle letter of a 3D graphics library, and the other has also added some 3D dynamic rotating display.

在directx中通过c++绘制了一个旋转的木桶，并且给木桶打上了不同种的灯光，按键更换灯光效果，给初学者一个参考。-In directx c++ drawing a rotating barrel to the barrel marked with different kinds of lights, buttons to replace the lighting effects, a reference to the beginner.