这是一个简单的使用openGL绘制立方体的程序。通过点画和gultSolidCube()、glutWireCube()三种可选方法画出。并有相关变换流程！适合入门参考！-This is a simple to use openGL rendering cube procedures. By pointillism and gultSolidCube (), glutWireCube () method to draw three options. And have the relevant conversion process! For entry reference!