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Found 2 results

  1. Hi everyone, I'm trying to do a school of fish with a particle system that would follow a curve. Basically I'm emitting some particles and they move along a curve with a popcurveforce. By default the particles orientation seem to go along with the curve but since I'm trying to do a school of fish, I would like my particles Z orientation to always be 0 so the fishes don't swim on the back. So far I've tried with this expression in a popwrangle : p@orient.z = 0; The thing is it seems to zero out the orientation of x and y as well.. And I still want the x and y to go along with the curve. I'v tried with a popattract instead of a popcurveforce and I'm still not able to constraint the Z orient.. Maybe it has to do with something else than the @orient attribute since I don't see it in my geometry spreadsheet..? There's something I don't get! (Needless to say that I'm new in Houdini :P) Thanks a lot! test_fish_school.hiplc
  2. Popcurveforce - maxradius attrib not working

    Hey guys! Not really been active here, but planning on changing that I've ran into a little issue and i'm not sure why it isn't working, so I thought I'd try to ask on here. I have some particles following a curve using popcurveforce. I want to be able to influence the thickness of the radius so I made a maxradius attribute on my curve which i'm ramping. I was assuming it would pick up on the attribute but it doesn't. Anybody know? I've attached a HIP file. Cheers! maxradius.hipnc
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