Dusmus Posted June 1, 2013 Share Posted June 1, 2013 Hey guys, I'm trying to simulate an object rising from water with FLIPs. Let's say I have a sphere breaking through the surface and I want the particle emission to slowly fade as the object rises (the closer to the surface the bigger the emission). It seems that I can't use the variable $TY in the "Activation" param of the source volume in DOP, tried $TY<0.1 for example so it would emit only between 0 and 0.1 but this doesn't work. Any ideas ? Many thanks, Steve Quote Link to comment Share on other sites More sharing options...
bloomendale Posted June 1, 2013 Share Posted June 1, 2013 in DOPs there is $ty, not $TY Quote Link to comment Share on other sites More sharing options...
Guido Zanni Posted June 5, 2013 Share Posted June 5, 2013 try this: $T < 1 1 corresponds to 25 frame Quote Link to comment Share on other sites More sharing options...
anim Posted June 6, 2013 Share Posted June 6, 2013 you cannot control activation directly by position as you wish, but Source Volume is just taking particles from SOPs and emitting them into FLIP so just manipulate your source particles in sops the way you want Quote Link to comment Share on other sites More sharing options...
Dusmus Posted June 6, 2013 Author Share Posted June 6, 2013 Thanks guys for the advices. Yeah actually I managed to do it with SOPs before sourcing the particles into DOP. Thanks again Quote Link to comment Share on other sites More sharing options...
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