Slime wrote:
> I'm curious. Does your particle system have the
> ability to interact with outside objects
> (with trace, naturally)?

Yes, both bouncing and flowing is supported with any objects.

> and does it have the capability to have the
> particles bounce off each other as though they
> were rubber balls?

No.

First of all, rubber balls and particles are not the same. Rubber balls
are individual objects, while particles sort of are the tiny components
of water, fire, smoke or other phenomena. Therefore it does not make
sense to make particles bounce off each other. A particle simulation and
a rubber ball simulation are two different things (though they may have
things in common).

However, it would make sense to have particles be attracted and/or
repulsed by each other for example to create realistic liquid effects
such as water. However, my system does not support that. It is a choice
I made and it won't be supported in future versions either. My system is
not aimed at super-realistic simulations, but is meant to be very
general-purpose so that it can be used for a wide range of effects.
Besides, particle interaction can't be implemented in my system at all,
because the core of my system is based on certain assumptions which
would not be true if there was particle interaction.

> I ask because while everyone else was working on particle systems, I
> was working on my own rubber ball bouncing simulation that i planned
> on turning into a particle system.

But rubber balls are not particles! ;)

A common category that both "particle system" and "rubber ball
simulation" fall into is "physics simulation system". That is probably
what some people actually mean when they say "particle system".

> If you're interested in adding these features
> before a release, contact me. It could be a
> hassle, but I figured I should mention it just
> in case. I can post an example anim to p.b.a
> if you'd like. I assume it's too late though =)

I'm not interested in adding the feature to my particle system, but you
definitely should post the animation anyway! :)

Rune
--
3D images and anims, include files, tutorials and more:
Rune's World:  http://rsj.mobilixnet.dk (updated Apr 14)
POV-Ray Users: http://rsj.mobilixnet.dk/povrayusers/
POV-Ray Ring:  http://webring.povray.co.uk

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