GLSL simple & useful tricks #2

Simple GLSL code to make a noise with a variative period (frequency).
The idea behind this series is to provide simple (even for complete beginners) GLSL code, that could do something that would be really hard to make in TouchDesigner alone (or that would require a lot of CPU/GPU time without GLSL).

You could download project file here – https://www.patreon.com/posts/40204451 by becoming my Patreon supporter