osglight

代码说明：

  该程序使用三维渲染引擎OpenSceneGraph实现了不同颜色，不同路径的光照与动画效果，是学习osg光照非常好的例子。(The program uses three-dimensional rendering engine OpenSceneGraph to achieve a different color, different paths of light and animation, is a very good example to learn osg light.)