akkanein Posted April 6 Share Posted April 6 Hi everyone, I’m having an issue with particle collisions in Houdini and was hoping someone could point me in the right direction. My particles are passing through collider objects instead of properly interacting with them. Box_disc.hipnc Quote Link to comment Share on other sites More sharing options...
haggi Posted April 7 Share Posted April 7 Can you elaborate? Looks as if the particles are colliding just fine with your colliders. Quote Link to comment Share on other sites More sharing options...
David Tom Posted 10 hours ago Share Posted 10 hours ago You’re right, from a quick look it does seem like collisions are happening. @akkanein maybe clarify what “passing through” means in your case. Is it: happening at higher velocities (tunneling issue)? only on certain frames? or after a few bounces? If it’s tunneling, in Houdini you might want to check: Collision Padding / Thickness Substeps (POP Solver / DOP Network) Collider representation (Volume vs Surface) A quick screenshot or short clip of the exact problem moment would help narrow it down. Quote Link to comment Share on other sites More sharing options...
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