关于OpenGL的源码. Our goal:1. You generate a large cube, and map the sky texture in five faces except the floor face.

2. The viewing is freely moved inside the cube. You can exploit the keyboard or mouse handle.

3. The light is located in the cube.

4. You generate three kinds of objects.

5. You mapped the texture in the objects generated in step 4.

6. You apply a fog effect into an object among three objects.