[Sidefx-houdini-list] Building a particle collision system
alex at franktheplumber.com
Sun Aug 15 18:56:41 EDT 2010
Out of curiosity, why would using an SDF volume be better for collisions?
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From: Rangi Sutton <rangi.sutton at gmail.com>
Sender: <sidefx-houdini-list-bounces at sidefx.com>
Date: Mon, 16 Aug 2010 08:46:52
To: <sidefx-houdini-list at sidefx.com>
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Subject: Re: [Sidefx-houdini-list] Building a particle collision system
2010/8/16 François Duchesneau <sidefx at trinix.ca>
> Hi list,
> I'm not satisfied with the particle collision in Houdini and I'd like to
> create my own. I started to do something in Vop Pop using ray tracing
> and I think it would work for static objects but it has its weakness. I
> think I will need different algorithms.
I'd suggest looking at colliding against SDF primitives as an option... very
easy to roll you're own collsion pops.. very fast.. very stable results.
You've just got the overhead of converting to SDFs (or work your pipeline so
you have SDF representations of everything...)
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