When we're working with computer generated graphics we're usually looking for an element of unpredictability. To make things more interesting and natural. It just so happens that humans are really bad at making random choices. Fortunatly, computers are really good at making random choices. Almost too good.

A happy middle would really be preferable. Something between the predictability of humans and the total chaos of noise. A predictable noise if you will. This is where pseudorandomness comes into play.

This short talk is an introduction to ways to generate predictable noise and how you can harness it to make fun things.