利用osg开源库实现三维场景渲染已经视图操纵，本教程为学习osg的基础教程，设计到osg基本的场景图构造以及矩阵操纵器的使用-osg revenue for the use of 3D scene rendering View has been manipulated, The Guide to Learning Guide osg basis, osg basic design to the scene graph structure matrix manipulation and the use of
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