This shader by Poisson  is under Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License.

Available soon only for supporters in TouchDesigner as well.

Shadertoy link:

https://www.shadertoy.com/view/ftGyzK

If you believe that this endeavor is helpful in order to learn GLSL programming, Shadertoy Porting in TD and Jitter among others, please consider subscribe to keep this project going.

Your support will be invaluable to me, and will contribute to bring more time, effort and dedication in order to make available more exclusive content for Touchdesigner and Jitter (Cycling '74) and video tutorials.

Many thanks for your crazy support!