♤MMD教程♤如何在ray渲里添加法线贴图(Normal Mapping tutorial for Raycast Shader)

***Turn on subtitle for english translation!*** I made another english version: https://www.youtube.com/watch?v=p0HbqgqMRqg&t=189s the video is speed up, so i sound a little weird :D hope this tutorial would help! Normal map dl: https://bowlroll.net/file/113622 习惯了评论打英文不知道该打啥中文，反正大部分观众都会去b站看的。。