Hi All,

I'm completely stumped on this issue I've been having trying to get the trail from points to act as collision. Does anyone know a super hacky way to stop grains being spawned by a pop replicate to collide with themselves? I basically have a set-up where points only spawn on the first frame and then leave a static trail behind them (from the pop replicate with no velocity) and I wanted to make them pop grains so that the trails would act as collision for the other points for some cheap pop collision. What I'm trying to achieve is a collision trail created by the original point so that other points flying about don't intersect with where previous trails have been but the problem is that the grains are too close to each other in the trail, so I was wondering if there was a way to disable “self collisions” based on the trail ID? or is this a super dumb thing to ask? (spare me for I am a noob)

The best way probably is to use an SDF field!
Take a look at the HIP file.

Thank you for the reply, that's a neat way of solving it!