Particle Physics - Collide with TyCached Particles?
Is there a way to have particles (non-geo) from a TyCache brought into a new flow via Birth Flow and Flow Update act as colliders for new particles via Particle Physics? In other words I want my newly born particles to collide with the the TyCached ones, but not have the TyCached particles react at all. Looking for a method that won't require meshing the existing particles first or using PhysX.

Yes, just put a Particle Switch on the particles you don't want to react, to de-activate them.

Alternatively you can set your Particle Physics operator to include particles of other events, but not affect them...there are checkboxes for that in the settings.

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