OpenGL旋转透明立方体,初学者可以看到很好效果^-OpenGL rotating transparent cube, a beginner can see a good effect ^

立方体的三维立体源代码 有助于开发三维立体的东西！对初学者狠有帮助-Three-dimensional cube of the source code will help the development of three-dimensional things! Has Helped hard for beginners