osg的Shader，利用osg与GLSL结合，构建出噪声基础，大理石表面效果，需要自己下载osg的库和数据文件-using OSG and GLSL to create noise face in some models. User should download osg libs and it s data.

osg的Shader，利用osg与GLSL结合，构建开发环境的基础HelloWorld例子，需要自己下载osg的库和数据文件。-using OSG and GLSL to create some face in some models. It s the basic progm of HelloWorld, User should download osg libs and it s data.