Unified Occlusion Culling: Portals, Visibility Umbra, and HZB - 自由空间,实现思想的自由之地 - 博客频道 - CSDN.NET

In any realistic 3D scene, there are things you can see and things that you can't see. It sounds simple, but the application of this knowledge can have very beneficial effects on the performance of an application billed with rendering the 3D scene in