OctopusEffects, #Blender Quick tips: create rocky ground using particle system in Blender 2.9 Timestamp 00:00​ Introduction ...

Allows creation and manipulation of vector fields using Blender particle simulations and vector math operations, as well as importing/exporting FGA files used by Unreal Engine 4. Requires Blender 2.8 ...

Particle systems can be rendered with motion blur. The Blender Python API is currently not flexible enough for us to directly control the motion of a custom particle system for the whitewater feature.