TomRaynor Posted June 16, 2012 Share Posted June 16, 2012 Hi guys, I am trying to set up a system where an animated object moves through a velocity field and disturb the velocity field causing swirls in the object's wake as it passes through. I want to use this velocity field to advect some particles as the object passes through them like little particles of dust in the air being advected. I have brought my fields into DOPs but am a bit stuck with how to get my collision volume to affect my velocity volume. I saw Peter Quint has a relatively new video on affecting velocity fields using collision objects (see link below) but I'm still not quite there. Any help would be great. I have attached my hip file (where I haven't really got very far...) Peter quint video: http://vimeo.com/38289509 DisturbVelFieldWithCollideGeo_v01.hip Quote Link to comment Share on other sites More sharing options...
Franz Posted June 18, 2012 Share Posted June 18, 2012 Hi, it's easier to achieve this effect with the default smoke solver. There's also a "advect by volumes" pop which is pretty useful for such effects - have a look at the example. advect_by_volumes.hipnc Quote Link to comment Share on other sites More sharing options...
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