Looking at that scene now, this is nice work, and the result is lovely. Thanks for sharing, sparks a lot of ideas.
On Mon, Jan 7, 2013 at 3:32 PM, Tim Borgmann <i...@bt-3d.de> wrote: > Sebastian did a really fantastic job on this dust stuff! It's definitely a > (if not the) key element in the spot. > Cheers and thanks again to Sebastian > Tim > > Sebastian, I never thought I would hear myself say this, but that is >> some sexy dust! I see that you are not spawning or cloning anything >> and the dust 'clump' with its own ID starts as is and its just the >> gravity, drag and turbulence forces breaking it up. really nice >> solution that works so well visually. It would be really hard to get >> that look any other way - ie with 'hero' geometry shedding more >> particles as they shrink as you would still be able to track the >> emitting ones. >> >> there are some good hints for getting certain types of better dust in >> this scene you provided so I wanted to thank you for sharing. it >> appears crazy amounts and very little transparency is the key here , a >> kind of 'brute force' approach that I usually would not consider and >> try to approach with a volume shader or with Exocortex's Slipstream. >> >> thanks for sharing! >> >> best >> >> Rob >> >> On 7 January 2013 18:17, Sebastian Kowalski <l...@sekow.com> wrote: >> >>> here you go, thats one of the first prototypes I've made. >>> the whole system evolved a bit after the catrice project (had to reuse >>> it on an other job), but the essential idea seems not to differ from >>> vladimirs solution. (hope thats true, didn't had a look yet ;) ) >>> you need to set a custom id value to each member of a cluster of points >>> (clump id). >>> in that case all clumps have the same amount of points. >>> >>> in that scene file its just a drag force, dissolving the clumps. when >>> you need some more forces you have to use the position average of every >>> clump, and apply the needed force from that. >>> i am gonna share the more "sophisticated" scenes too, just need to >>> comment them a bit. >>> >>> i should say that the initial idea came from tim borgmann, I've just >>> implemented it in an icy way ;) >>> >>> take care >>> sebastian >>> >>> >>> >> >
