If I'm not mistaken, this Maya force is the Newton force. Essencially
taken from Dynamation, this force applies the laws of gravity to each
particle so they are attracted to each other in an orbiting fashion.
<OT>
There was a great demonstration of this force in the Imax movie Cosmic
Voyage when matter in the universe begins to form chunks after the Big
Bang. It took a super computer several weeks (if not months) to simulate
this scene. It was awsome.
</OT>
Vincent Fortin wrote:
I’d dare to say it’s impossible with XSI’s actual toolset. I just
tried inversing the particle avoidance parameter in the spdl but no luck L
The behavior is definitely scriptable but, again, probably not worth
it because of the speed.
I’d like to see something like Maya’s per-vertex fields in XSI. I did
some bubbles once where bubbles with a size bigger than a given
threshold would start attracting the other bubbles around them. It’s
surprising how fast Maya manages this when you consider that, with
each particle carrying its own set of force attributes, the simulation
iterations go exponent 2.
------------------------------------------------------------------------
*From:* owner-xsi(at)Softimage.COM [mailto:owner-xsi(at)Softimage.COM] *On
Behalf Of *Dan Hope
*Sent:* Wednesday, May 02, 2007 10:02 AM
*To:* xsi(at)Softimage.COM
*Subject:* Particle attraction
Ola Senors i Senorita(s)
I'm trying to get particles of the same pType to attract each other
based on distance and wander around in small groups. I'm not animating
teenagers with White Lightning before you ask...
Anyone got any ideas?
Ta
Dan
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