So I want to implement a Physically Based Rendering system in my Render Engine but after looking at all of the siggraph presentations online,
I've got to admit I don't understand much due to the fact I'm not that good with math and cannot understand any of the equations in the presentations. I was wondering if someone here could explain how to implement this.
I was reading this article: https://dirkiek.wordpress.com/2015/05/31/physically-based-rendering-and-image-based-lighting/
Which kinda helped but I still don't understand a lot of it, so I'm downloading the code sample to see how it works.
Pretty much all I understand so far is that I use a BRDF to calculate the amount of Specular and Diffuse light there is and perform a blur on a Cube Map.
Basically if someone could explain PBR to a 3 year old that would be great.