Mark01 Posted December 4, 2020 Share Posted December 4, 2020 Hey everyone! I am try to simply advect particles with a moving object. We have particles/grains floating around and a person runs through them at speed so I just need to create some advection/turbulence, more than what's already created from the collision. I assume it is as simple as pyro but I can't seem to work this one out. Any ideas? Thanks Quote Link to comment Share on other sites More sharing options...
bunker Posted December 5, 2020 Share Posted December 5, 2020 yes, simple pyro, save your vel field to disk and create a separate dopnet with a popsim and add an AdvectByVolume DOP node There is an example in the docs https://www.sidefx.com/docs/houdini/examples/nodes/dop/popadvectbyvolumes/AdvectByVolume.html 1 Quote Link to comment Share on other sites More sharing options...
Mark01 Posted April 7, 2021 Author Share Posted April 7, 2021 I'm not sure if this is what I am looking for. Im looking for the object to just disturb the floating particles slightly. Any other suggestions? Thank you!! Quote Link to comment Share on other sites More sharing options...
bunker Posted April 7, 2021 Share Posted April 7, 2021 (edited) You need to create a smoke sim first, then advect your particles with AdvectByVolume and no need to post the same question twice, thanks Edited April 7, 2021 by bunker 1 Quote Link to comment Share on other sites More sharing options...
Mark01 Posted April 7, 2021 Author Share Posted April 7, 2021 I'm just thinking for pyro, it's simply a case of plugging a vdv in a fluid source. So is there not a more simple method for particles? Quote Link to comment Share on other sites More sharing options...
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