OpenGL编程轻松入门之使用光照和材质

使用了光照和材质可以使物体更逼真，具有立体感。本例就是没有使用光照使呈现在我们眼前的物体茶壶和立方体没有立体感。-OpenGL programming easy entry material the use of light and light and materials used can make objects more realistic, with a three-dimensional sense. Is not used in this case a light so that objects in front of us there is no teapot and three-dimensional cube.