一个简单的OPenScenegraph应该多相机的代码~~能够根据用户需求，实现多屏幕视图，呵呵，代码虽然少，但一定能实现！我试过了-a simple OPenScenegraph should be more cameras code ~ ~ according to user needs seeking, multi-screen view, what code Although small, but we can make it! I tried