关于在D3D中计算viewfrustum的问题

andy_Lucende

The 2D version is not as accurate as the 3D one (some care must be taken with vertical pitch angles) but needs less CPU work. Both can be interesting depending on the particular application.

http://www.gamedev.net/reference/articles/article2012.asp

这篇文章也告诉大家计算frustum记得将camera向 -at方向offset一下

wingser

......

wingser

要计算viewfrustum是为了取出这个三角形啊,因为根本就不知道eyex,eyey,left...,right,....不是吗?