Home › Forums › Games202-高质量实时渲染 › 【作业2】为什么aPrecomputeLT是mat3的变量? Tagged: 作业2 This topic has 1 reply, 1 voice, and was last updated 3 years, 5 months ago by renderkuang. Viewing 1 reply thread Author Posts 2021年6月9日 at 下午6:12 #8649 Score: 0 renderkuangParticipant aPrecomputeLT包含当个顶点的light transport球谐系数。所以不应该是一个3xSHcoeffNum的变量吗?3是rgb颜色空间的,SHcoeffNum是4或者9,那为什么应该写一个3×3的attribute? 2021年6月11日 at 下午2:16 #8667 Score: 0 renderkuangParticipant 我错了,transport当然不分三个RGB颜色成分,只有环境光才是这样。debug看到了mat3的3×3变量就对应于9个球谐系数。 Author Posts Viewing 1 reply thread You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Log In