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A new version of my cloth simulator is available here:
http://www.enst.fr/~jberger/cloth/cloth.html
Among other things, it is now possible to hang a cloth by its corners (or
by any other point(s)) and to save/load the cloth geometry to a file (so
that you don't have to start over if you realise that the simulation
didn't go as far as you'd like).
For the curious, there is an mpeg (500k) showing the evolution of the
simulation here:
http://www.enst.fr/~jberger/cloth/cloth.mpg
(I know, it doesn't look realistic, that's because the core engine was
made to find a fast solution to a static problem, I'll change it to a
dynamic engine soon).
Jerome
--
* Abandon the search for truth, * mailto:ber### [at] iname com
* Settle for a good fantasy. * http://www.enst.fr/~jberger
*********************************
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I have put the new cygwin executable on my site, sadly the stability does
not seem to be much better with the new version.
Christoph
--
Christoph Hormann <chr### [at] gmxde>
IsoWood include, radiosity tutorial, TransSkin and other
things on: http://www.schunter.etc.tu-bs.de/~chris/
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God bless you and illuminate you to find a more stable algorithm!
Oh, look, it moves! Tony like...
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Tony[B] wrote:
> Oh, look, it moves! Tony like...
Then you should love these ;)
http://www.enst.fr/~jberger/cloth/hanging.mpg
http://www.enst.fr/~jberger/cloth/flag.mpg
I should release the version that allowed me to do them next week
(including the files for the flag).
Jerome
--
* Abandon the search for truth, * mailto:ber### [at] inamecom
* Settle for a good fantasy. * http://www.enst.fr/~jberger
*********************************
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> http://www.enst.fr/~jberger/cloth/hanging.mpg
Looks kinda rubbery. Also, is that in a vacuum or in air?
> http://www.enst.fr/~jberger/cloth/flag.mpg
OMG, did I see it loop?! I want this new version now! :)
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From: Marc-Hendrik Bremer
Subject: Re: Cloth simulator version 0.2.0
Date: 16 Feb 2001 09:21:27
Message: <3a8d3767@news.povray.org>
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Both Anims are just wonderful! The flag will have a bad time in a storm like
that, but just wonderful.
Marc-Hendrik
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"Marc-Hendrik Bremer" <Mar### [at] t-onlinede> wrote in message
news:3a8d3767@news.povray.org...
> Both Anims are just wonderful! The flag will have a bad time in a storm
like
> that, but just wonderful.
>
Hmm - yeah should rip itself to shreds - Jerome, does the cloth
simulator handle that kinda thing ? Presumably it'd be quite easy - I guess
the cloth is a grid of interconnected springs, right ? So you could define
say a maximum 'stretch' factor - if a spring exceeds that, it breaks and
tears the cloth. Could that work ? Is it already in there ?
--
Scott Hill.
NC Graphics (Cambridge) Ltd.
http://www.ncgraphics.co.uk
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Tony[B] wrote:
> Looks kinda rubbery. Also, is that in a vacuum or in air?
>
I'd say it's in very thin air. I played with the parameters to get it to
swing largely before stabilising itself in the hung position.
>
> OMG, did I see it loop?! I want this new version now! :)
No, it didnt loop (but of course, the movement should look like it
repeats itself)
Jerome
--
* Abandon the search for truth, * mailto:ber### [at] inamecom
* Settle for a good fantasy. * http://www.enst.fr/~jberger
*********************************
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Scott Hill wrote:
> Hmm - yeah should rip itself to shreds - Jerome, does the cloth simulator
> handle that kinda thing ? Presumably it'd be quite easy - I guess the
> cloth is a grid of interconnected springs, right ? So you could
> define say a maximum 'stretch' factor - if a spring exceeds that,
> it breaks and tears the cloth. Could that work ? Is it already in
> there ?
>
It's not already there, but you're right it would be trivially easy to
add. I'll add it to my todo list.
Jerome
--
* Abandon the search for truth, * mailto:ber### [at] inamecom
* Settle for a good fantasy. * http://www.enst.fr/~jberger
*********************************
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>
> Then you should love these ;)
> http://www.enst.fr/~jberger/cloth/hanging.mpg
> http://www.enst.fr/~jberger/cloth/flag.mpg
>
> I should release the version that allowed me to do them next week
> (including the files for the flag).
>
How long did those take to calculate? All things i tried until now
usually took quite long and rarely succeeded at all because of the
stability problems.
Christoph
--
Christoph Hormann <chr### [at] gmxde>
IsoWood include, radiosity tutorial, TransSkin and other
things on: http://www.schunter.etc.tu-bs.de/~chris/
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