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Gergely Vandor <ger### [at] moravia-it com> wrote in
news:Xns### [at] 204213191226:
<snip>
>
Oh, I hope you won't tell me that someone has already done the exact same
thing much better. :)
--
Gergely
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On 1 Apr 2002 10:45:59 -0500, Gergely Vandor
<ger### [at] moravia-itcom> wrote:
>Oh, I hope you won't tell me that someone has already done the exact same
>thing much better. :)
Err... quite a lot of people, actually :)
Peter Popov ICQ : 15002700
Personal e-mail : pet### [at] vipbg
TAG e-mail : pet### [at] tagpovrayorg
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Peter Popov <pet### [at] vipbg> wrote in
news:k3jhauouekul0fja6lbmi892rcp96ipmop@4ax.com:
> On 1 Apr 2002 10:45:59 -0500, Gergely Vandor
> <ger### [at] moravia-itcom> wrote:
>
>>Oh, I hope you won't tell me that someone has already done the exact
>>same thing much better. :)
>
> Err... quite a lot of people, actually :)
>
My search engines seem to fail me this time. :) Could you please point me
to some post/website about spring systems/elastic objects etc. made with
povray? I've found only a couple of posts about springs here, and no
animations or source.
--
Gergely
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I don't know if this is helpful but:
http://www.darwin3d.com/gdm1999.htm#gdm0499
has some applications and the full c source code for this sort of thing.
There's a cloth mesh made of springs and I think the particle dynamics one
is similar as well.
jim
"Gergely Vandor" <ger### [at] moravia-itcom> wrote in message
news:Xns### [at] 204213191226...
> Peter Popov <pet### [at] vipbg> wrote in
> news:k3jhauouekul0fja6lbmi892rcp96ipmop@4ax.com:
>
> > On 1 Apr 2002 10:45:59 -0500, Gergely Vandor
> > <ger### [at] moravia-itcom> wrote:
> >
> >>Oh, I hope you won't tell me that someone has already done the exact
> >>same thing much better. :)
> >
> > Err... quite a lot of people, actually :)
> >
>
> My search engines seem to fail me this time. :) Could you please point me
> to some post/website about spring systems/elastic objects etc. made with
> povray? I've found only a couple of posts about springs here, and no
> animations or source.
>
> --
> Gergely
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"jimbobjim" <jim### [at] blueyondercouk> wrote in
news:3caa1ed0$1@news.povray.org:
> I don't know if this is helpful but:
> http://www.darwin3d.com/gdm1999.htm#gdm0499
>
> has some applications and the full c source code for this sort of
> thing. There's a cloth mesh made of springs and I think the particle
> dynamics one is similar as well.
>
> jim
>
This is simply great. :)
Though not PoV-Ray related, it gives some very useful general info about
spring systems, not to mention the cool apps.
Big thanks, jim! :)
--
Gergely
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Check my clothing experiments at http://geitenkaas.dns2go.com/experiments/.
Those sheets are exactly what you're talking about: just a bunch of
particles, interconnected with lots of springs.
I'm working on a new version (on and off, I'm a bit busy nowadays) that is
capable of cloth/jelly/spunge interaction with csg objects (union,
difference, merge, box, sphere, torus, cone, cylinder, and maybe maybe
triangle mesh or even blob).
--
Apache
http://geitenkaas.dns2go.com/experiments/
apa### [at] yahoocom
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"Apache" <apa### [at] yahoocom> wrote in
news:3caa5720$1@news.povray.org:
> Check my clothing experiments at
> http://geitenkaas.dns2go.com/experiments/. Those sheets are exactly
> what you're talking about: just a bunch of particles, interconnected
> with lots of springs. I'm working on a new version (on and off, I'm a
> bit busy nowadays) that is capable of cloth/jelly/spunge interaction
> with csg objects (union, difference, merge, box, sphere, torus, cone,
> cylinder, and maybe maybe triangle mesh or even blob).
>
Pretty cool, is the source available? :)
Meanwhile it seems I've found the basic problems with my springs. Here's a
basic anim. The springs are pretty stiff this time, so it behaves almost
like a solid cube.
http://www.progressive.hu/gero/drum.m1v
--
Gergely
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I wrote the thing in C, although I started in in pov-ray script. But that's
too slow for this kind of mathematically heavy duty stuff. Especially with
spring objects containing 300x300=90000 particles with even more springs....
And I absolutely love your simple animation, because the movement is really
realistic IMHO.
--
Apache
http://geitenkaas.dns2go.com/experiments/
apa### [at] yahoocom
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Apache wrote:
>
> I wrote the thing in C, although I started in in pov-ray script. But that's
> too slow for this kind of mathematically heavy duty stuff. Especially with
> spring objects containing 300x300=90000 particles with even more springs....
The obvious solution is doing it as a Povray patch. You have the
adventages of fast compiled code and have access to the internal shapes.
Christoph
--
POV-Ray tutorials, IsoWood include,
TransSkin and more: http://www.tu-bs.de/~y0013390/
Last updated 18 Mar. 2002 _____./\/^>_*_<^\/\.______
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If I do that, I'll wait for the final release of 3.5 anyways.
--
Apache
http://geitenkaas.dns2go.com/experiments/
apa### [at] yahoocom
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