D3DFVF_XYZ和D3DFVF_XYZRHW的区别
摘要:
D3DFVF_XYZ和D3DFVF_XYZRHW有什么区别?以前好像没有仔细思考过,只是见到Beginning DirectX9中如是说:The RHW value, which stands for Reciprocal of Homogeneous W[1], tells Direct3D that the vertices that are being used are already in screen coordinates. This value is normally used in fog and clipping calculations and should be set 阅读全文