Adaptive Occlusion
November 6th, 2006 by Stefano Jannuzzo. Viewed 7484 times.The standard occlusion shaders sample the environment sending out a bunch of rays, and return a color based on the percentage of rays hitting some objects. Mathematically speaking, they integrate the hemisphere (or the cone) centered above the normal with the given number of samples. As we know, a higher sampling rate gives better results, [...]
