How does Interior Mapping shader and math work? - Unity Shader Graph tutorial

Learn how to create an Interior mapping or fake interior shader for Unity URP shader graph. I will explain the theory and mathematics behind the interior mapping technique as proposed in the research paper by Joost van Dongen. Like and Subscribe and help grow my channel :) Download project: Research paper: Timestamps: 00:00 Intro 00:17 Theory 01:10 InteriorMapping() function 03:00 CheckifCloser() function 04:00 Shader graph implementation 05:49 Visualize shader in scene 06:17 Adding an exterior building texture Website - GitHub -