I haven’t touched Grasshopper in a long time… Did you find that code in this thread?
https://www.grasshopper3d.com/forum/topics/how-to-add-decay-to-self-interfering-ripples
(ripples_2017Aug24a.gh)
It wasn’t designed well for additional points, due to the individual damping factor for each point. Fixed in attached version (R5), yellow group:
ripples_2019Jun03a.gh (35.5 KB)

