Apply your forces, then simulate, and after that set particle position to the closest location on the surface.
gray From: [email protected] [mailto:[email protected]] On Behalf Of Nuno Conceicao Sent: Tuesday, January 29, 2013 12:39 PM To: [email protected] Subject: Re: Surface Flowing Particles Ok but this basically is a stick with location and no matter what forces or velocity the particles dont move on the surface, they are stuck On Tue, Jan 29, 2013 at 5:36 PM, Andy Moorer <[email protected]<mailto:[email protected]>> wrote: Get the closest location on the surface, use a get data to get the point position from the location, and then use that to set point position. ;) Sent from my iPad On Jan 29, 2013, at 12:31 PM, Nuno Conceicao <[email protected]<mailto:[email protected]>> wrote: Sorry, Rob, not really sure what you mean with "set closest location" On Tue, Jan 29, 2013 at 5:02 PM, Rob Chapman <[email protected]<mailto:[email protected]>> wrote: also a get closest location (your surface) > set closest location will stick your particles to the surface but still allow them to move around with forces and simulation. On 29 January 2013 16:57, Renaud Bousquet <[email protected]<mailto:[email protected]>> wrote: > Hello, > > Something like this could help you for particles movements. > http://vimeo.com/36709750 > > Create a vector flow then use it as a force for your particles via closest > location. > Hope it can help you! > > RB > > > On 29/01/2013 11:14 AM, Nuno Conceicao wrote: >> >> Hi guys, just came across this task where basically I need to create a >> kind of growing particles effect (Ex: foam/bubbles) where the particles >> move, multiply and grow on a deforming surface. >> >> Basically, cant use stick to surface, flow around surface also doesnt work >> since the particles need to kind of stay on the surface at all times. Cant >> get Slide on surface to work properly too. >> >> Using an expanding weight-map kind of gets something close but quite >> different to what i wish to achieve, the problem is that the particles >> should also move and slide, so they cant be stuck on the surface, but follow >> its deformation.. >> >> I also tried a process using states to make the particles spawn once they >> achieve a certain size, pop into 2 or 3 smaller bubbles which in turn pop >> again into smaller ones, but couldn't get them to follow the surface >> properly. >> >> I guess that might be several approaches for the issue, maybe someone >> knows a compound that does something similar that could maybe be adapted to >> this purpose. >> >> Cheers >> >> Nuno > > >
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