Point clouds in TouchDesigner was first taught as part of the PRECTXE 2019 Festival in Seoul/Korea. This 3 part video series starts with a look at Instancing and the new Instancing related features added in recent experimental builds of TouchDesigner.
Runge Kutter Particle System This TOX allows you to write very simple GLSL code to handle force fields in TOPs. You can set both spacial and ageing limits for particles, just like in the particle SOP.