Home › Forums › GAMES在线课程(现代计算机图形学入门)讨论区 › 关于投影矩阵的推导 Tagged: 投影矩阵的推导 This topic has 0 replies, 1 voice, and was last updated 4 years ago by 喝茶. Viewing 0 reply threads Author Posts 2020年11月10日 at 下午10:36 #7325 Score: 0 喝茶Participant 老师在课上说到,投影矩阵可以先经过一个透视到正交的变换,再把进行正交投影。然而在进行第一个透视到正交的变换时,老师使用的推导过程是从原点出发的。我的问题是,为什么不先把视锥体平移回原点,再从透视到正交,最后再正交投影(此时应该只要缩放即可)? Author Posts Viewing 0 reply threads You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Log In