I think transfer velocity seems to work for this application? I made a quick little test, but maybe it isnt what you are after. But maybe the expression can be helpful.
/Elias Ericsson Rydberg 2014-06-23 10:07 GMT+02:00 Frank Rueter|OHUfx <[email protected]>: > Has anybody had success in setting up a particle system that "flicks" > particles off an emitter? > I need an effect that looks like when you flick paint of a paint brush, > i.e. the emitter moves fast (card rotating 180 degrees), and I need it to > emit particles that inherit it's speed when they are born. The "transfer > velocity" knob seems to transfer velocity from the emitter to the particles > even when they are already born and "detached" from it, which is kinda > rubbish. > Animating the "transfer velocity" knob doesn't work either (and it > wouldn't help much anyway, since the animation would be global, not local > and relative to each particle's life). > > Does anybody have any ideas how to achieve this? The only thing I can > think of is giving the particles an initial speed and fudge it until it > kinda looks like they are being flicked, but that always looks rubbish as > well. A clever expression maybe? > > > Cheers, > frank > > > -- > [image: ohufxLogo 50x50] <http://www.ohufx.com> *vfx compositing > <http://ohufx.com/index.php/vfx-compositing> | workflow customisation and > consulting <http://ohufx.com/index.php/vfx-customising> * > > _______________________________________________ > Nuke-users mailing list > [email protected], http://forums.thefoundry.co.uk/ > http://support.thefoundry.co.uk/cgi-bin/mailman/listinfo/nuke-users >
movingParticleEmitter_v001.nk
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