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Old 26-09-2008, 02:46 AM   #1
Falott
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Default the galaxy project

1st issue - a stable vortexField


i have a particle swarm of 50.000 with random radii. a a turbulenceField has been applied to create pattern. the initial state is now set to a dense ball-like particle cloud. the emitter was deleted. so, the particle count is a 50k, live forever and no new particles will be created. this is my start scene.


now Iīd like to create some spiral shape to the particles. the problem is: vortexField(Y) blows all particles into universe. so Iīd need some stablizing field or modifiy the vortexField in that way so the particles stay together and only receive a spiraling movement. my goal would be to create spiral arms but the particles donīt step outside my XZ-boundingbox. how would I start..?

any input is much appreciated. hereīs the scene if anyone is interested. itīs maya2008. hope itīs not too big.


... it was, but I hope you get the idea from my description.
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Old 26-09-2008, 03:22 AM   #2
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I had success with a radialField with negativ value sucking everything now into 000. the tricky part tho was to animate magnitude now from vortexField and RadialField to keep a balanced state between these 2 forces.


but it looks too regular still. Iīll try with another Turbulence field to define some character.
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Old 26-09-2008, 05:07 AM   #3
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after some tweaking. 100k particles right now. I think it needs some nebular added. updates will continue.
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Old 26-09-2008, 05:15 AM   #4
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hereīs a picture from early state. working with particles is fun! but I think I have to spend some more time with maya dynamics.
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Old 26-09-2008, 07:01 AM   #5
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Probably a bit late now but you could try a volume axis field, that has turbulence, vortes and uniform effects and would only effect particles inside its volume.

Chris
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Old 26-09-2008, 09:53 PM   #6
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Exactly, as well as either a drag field, or volume radial to keep the particles inside a given area

Also, mess with attenuation on your radial field to maybe only affect those particles closer to the center.

GREAT JOB!!!!!!!
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