I suggest taking a look at Physically Based Rendering [1]. It goes through an advanced rendering system in a literate coding style. That is, the physical explan

I suggest taking a look at Physically Based Rendering [1]. It goes through an advanced rendering system in a literate coding style. That is, the physical explanations are interspersed with the code of an open source renderer [2]. I'm not sure how it compares with this Disney renderer, but it should go a long way towards demystifying how these things work. 1. http://www.amazon.com/Physically-Based-Rendering-Second-Edition/dp/0123750792 http://www.amazon.com/Physically-Based-Rendering-Second-Edit... 2. http://www.pbrt.org/ http://www.pbrt.org/