用OPENGL实现 一个球体围绕另外一个球体转动,并且根据行动的角度实现光照 色泽上的变化。-use OpenGL a ball around another ball rotation, According to the Operations and the angle of illumination and color changes.
通过定义剪切平面,对已经存在的三维图形进行剪切处理,注意剪切函数的使用-By defining the shear plane, there have been cut three-dimensional graphics processing, attention to the use of shear function