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Christoph Hormann wrote:
>
>I made some more progress with the mechanics simulation patch, here are
>two test animations.
>
>The first uses newly implemented face-mass collision tests (thanks to ABX
>for the triangle distance function, i used a modified version of it for
>this) as well as grouping of masses for optimizing the collision tests
>(the two balls and the nodes of the box are in different groups, only
>collisions between them and not between the individual nodes of the box
>are tested). The collision test itself is not yet well optimized. For
>self collision tests of cloth etc. where the nodes have no radius this
>could be much improved.
>The second animation shows a new gradient descent calculation method.
>This means inertia is not taken into account, therefore there is much less
>tendency for instability because oscillations can't occur. Also there are
>no dissipative forces (friction and damping) so the sheet is sliding on
>the sphere. All this is of course not physically accurate, but it is much
>faster than methods based on integration of the movement equations and it
>can be useful for example for 'relaxing' a designed geometry before
>starting a real simulation or for generating a static result for a still.
Is hair possible?
=RAY=
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Very impressive :)
--
Rick
Kitty5 NewMedia http://Kitty5.co.uk
POV-Ray News & Resources http://Povray.co.uk
TEL : +44 (01270) 501101 - FAX : +44 (01270) 251105 - ICQ : 15776037
PGP Public Key
http://pgpkeys.mit.edu:11371/pks/lookup?op=get&search=0x231E1CEA
---
Checked by AVG anti-virus system (http://www.grisoft.com).
Version: 6.0.391 / Virus Database: 222 - Release Date: 19/09/2002
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Impressive, indeed.
Will it ever be released to the public?
Forgive me if this ques has already been asked.
Alex
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From: Christoph Hormann
Subject: Re: mechanics simulation 3 (323k + 597k)
Date: 25 Sep 2002 04:03:19
Message: <3D916DC6.5B754834@gmx.de>
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=RAY= wrote:
>
> Is hair possible?
>
Of course, just awfully slow with a practical number of hairs and
collision detection.
Christoph
--
POV-Ray tutorials, IsoWood include,
TransSkin and more: http://www.tu-bs.de/~y0013390/
Last updated 13 Aug. 2002 _____./\/^>_*_<^\/\.______
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From: Christoph Hormann
Subject: Re: mechanics simulation 3 (323k + 597k)
Date: 25 Sep 2002 04:03:34
Message: <3D916DD5.3367229C@gmx.de>
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"Rick [Kitty5]" wrote:
>
> Very impressive :)
Thanks.
Christoph
--
POV-Ray tutorials, IsoWood include,
TransSkin and more: http://www.tu-bs.de/~y0013390/
Last updated 13 Aug. 2002 _____./\/^>_*_<^\/\.______
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From: Christoph Hormann
Subject: Re: mechanics simulation 3 (323k + 597k)
Date: 25 Sep 2002 04:07:38
Message: <3D916EC9.6F433FE0@gmx.de>
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Alex wrote:
>
> Impressive, indeed.
Thank you.
> Will it ever be released to the public?
> Forgive me if this ques has already been asked.
It has been asked and the answer is the same: Once the functions i intend
for the first version are completed (there are still a few things i would
like to implement for this) and the documentation and sample scenes are
written (i have not written a single word for that yet)
Christoph
--
POV-Ray tutorials, IsoWood include,
TransSkin and more: http://www.tu-bs.de/~y0013390/
Last updated 13 Aug. 2002 _____./\/^>_*_<^\/\.______
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Christoph Hormann wrote:
>It has been asked and the answer is the same: Once the functions i intend
>for the first version are completed (there are still a few things i would
>like to implement for this) and the documentation and sample scenes are
>written (i have not written a single word for that yet)
>
Is brittle fracture one of them? :)
Can anyone help you with documentation and/or sample scenes?
Alex
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Christoph Hormann <chr### [at] gmx de> wrote in
news:3D90D7C3.C148673B@gmx.de:
>
> I made some more progress with the mechanics simulation patch, here
> are two test animations.
I'm very impressed. Good stuff indeed.
Thomas
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From: Andrew Coppin
Subject: Re: mechanics simulation 3 (323k + 597k)
Date: 26 Sep 2002 05:42:06
Message: <3d92d66e@news.povray.org>
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-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1
I have no idea what the math-take is all about (which is
supprising!), but the graphics speak for themselves.
*WE ARE IMPRESSED*
Andrew.
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iQA/AwUBPZLWaLEpzUF0Y1JeEQJxFACeLfULTwHo7nQIDZUsF2+VSnH3/YcAoPTJ
C/1j17BsV5K9FLJZAxNoGiHe
=3MvR
-----END PGP SIGNATURE-----
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From: Christoph Hormann
Subject: Re: mechanics simulation 3 (323k + 597k)
Date: 26 Sep 2002 06:55:28
Message: <3D92E7A0.3F2E83C7@gmx.de>
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Thomas van der Veen wrote:
>
> [...]
>
> I'm very impressed. Good stuff indeed.
>
Thank you.
Christoph
--
POV-Ray tutorials, IsoWood include,
TransSkin and more: http://www.tu-bs.de/~y0013390/
Last updated 13 Aug. 2002 _____./\/^>_*_<^\/\.______
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