Home › Forums › Games202-高质量实时渲染 › Specular elongation,为什么各向同性的材质反射的lobe是个椭圆? This topic has 0 replies, 1 voice, and was last updated 2 years, 11 months ago by Aidan. Viewing 0 reply threads Author Posts 2021年12月20日 at 下午10:34 #10023 Score: 0 AidanParticipant 如题,在第九节全局光照里,老师讲到下雨天红绿灯的倒影看起来被拉长了,是specular elongation现象。因为地面是各向同性的,所以法线分布是个正圆,那么一条光线的反射lobe就是一个椭圆,为什么是椭圆呢?这么说岂不是所有各向同性材质都会出现specular elongation现象?前面几张图为什么没有? 求大佬们解惑! Attachments:You must be logged in to view attached files. 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