I haven’t tried it myslf, but GPU particles have a collision module .unrealengine/latest/INT/Resources/ContentExamples/EffectsGallery/1_E/index.html, but I am not sure if it produces the effect you want.
I haven’t tried it myslf, but GPU particles have a collision module .unrealengine/latest/INT/Resources/ContentExamples/EffectsGallery/1_E/index.html, but I am not sure if it produces the effect you want.