Hi all,

I've been looking to improve my SSR implementation from just traditionally marching in world space and projecting back to screen space.

I camr across a paper entitled “Efficient GPU Screen-Space Ray Tracing” by Morgan Mcguire https://jcgt.org/published/0003/04/04/ which uses DDA to march in s…

There was a bug in the Phong shading in my code. The bug has been there for weeks LOL. I'm surprised that I didn't notice it until now.