2024-10-22 • 3683 words • 19 min • Max <mxcop> IntroductionIn this article I'm going to share my understanding of the fudamentals of Radiance Cascades. (abbreviated as RC) At it's core, Radiance Cascades is a method for efficiently representing a radiance field, allowing us to represent the incoming light from/around some area at any point in that area. In 2D that area is usually the screen.For the sake of simplicity I will explain everything in 2D, however RC can be expanded into 3D aswell. I w...