Interactive particles & raymarching (SDF) geometry. TouchDesigner tutorial

Project files and links to all of mentioned resources – https://www.patreon.com/posts/43144103
Extra examples for Patreon supporters only – https://www.patreon.com/posts/43144301

Instanced particles interacted with a surface of raymarched geometry (signed distance function). How to combine two types of approach toward geometry rendering in one scene and make particles fly around SDF of bounce from it.
Low-intermediate GLSL & intermediate TouchDesigner skills are required.

Contents:
00:00 – Intro
02:25 – Starting setup and prerequisites
08:03 – Changes in raymarching GLSL & short SDF theory
18:05 – Short theory intro to normals calculation for SDF
25:48 – Changes in compute shader (¡MOST IMPORTANT PART!)
37:00 – Adjusting parameters
40:30 – Tips, hints and possible improvements