Home › Forums › Games202-高质量实时渲染 › Reflective Shadow Maps 为何分母是4次方 This topic has 0 replies, 1 voice, and was last updated 3 years, 5 months ago by shengjie. Viewing 0 reply threads Author Posts 2021年4月17日 at 下午12:13 #8182 Score: 0 shengjieParticipant Ep(x,n)=Φp * max(0,dot(np,x-xp)) * max(0,dot(n,xp-x))/|x-xp|^4 闫老师上课说公式分母应该由4次方改2次方,这个公式在原论文里应该是没有问题的 闫老师的意思应该是分子里面做内积用的都是归一化向量,此时分母确实应该是2次方 但是按论文的这个公式,因为他们没有归一化,所以向量长度除到分母里面了,所以就变成4次了 个人理解,欢迎讨论 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