http://www.warpax.com/education/partsys/partsys.html was the page i was
looking at.  i figure at the very least the guy that did it could be a
source of information for you or point you in the direction of
information.  his little animation looks pretty good, but it's hard to
judge his work based on that alone.
  did you say you are using blobs for the particles?  what were factors
in deciding that?  i'm thinking they would be good when, say water, is
all together and then is thrust apart (like throwing it from a bucket)
because water wants to stick together and so blobs would give you that
interaction.  but it seems to me that if the water started apart, it
would look unrealistic as individual drops would actually look as if
they were drawn to others before they made contact.  have you thought
about swapping spheres and blobs back and forth depending on the
circumstances of the interactions?  or what about disks that orient
toward the camera?

Chris Huff wrote:
> 
> In article <395A7E4F.867D26CB@yahoo.com>, ryan constantine
> <rco### [at] yahoocom> wrote:
> 
> > what references are you using for writing this particle system?
> 
> None. I am doing it all from scratch, and figuring things out from trial
> and error(and a basic knowledge of Newtonian physics).
> 
> > i wonder if he'd share knowledge with you.  if you want i could
> > figure out where i saw it...
> 
> I am interested...I'm not sure how much help it would be with this
> patch, but it might be useful someday.
> 
> --
> Christopher James Huff - Personal e-mail: chr### [at] maccom
> TAG(Technical Assistance Group) e-mail: chr### [at] tagpovrayorg
> Personal Web page: http://homepage.mac.com/chrishuff/
> TAG Web page: http://tag.povray.org/

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