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Here're some examples of a "twister" include file I'm doing (actually,
just converted it from my old 3.0 sources I found on a CD). Currently,
all main functions are harmonic oscillators, so you can control the
amplitude, frequency and phase of: twister density, x_ and z_ radii,
and thickness. The .inc features uv mapping (memory intensive) so that
it will align any +y oriented texture along the twister (see the wood
example), as well as texture twisting around the axis of the object..
The files:
twister1.jpg - a very simple example of a twister, with u-v mapping.
Jpeg ate away most of the blue, but it's not a big pain
twister2.jpg - snake coiled around a twisted branch (kidding) - the
wood is uv mapped, and the crackle is not. x_ and z_ radii as well as
density are varied here
twister3.jpg - a worm? Additionally, thickness is varied here as well.
Some artefacts show up that I haven't yet figured the source of, but I
guess it's the small epsilon (each 'ridge' of the worm contains 50+
csg's)
To be posted soon... twister.inc
Peter
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Post a reply to this message
Attachments:
Download 'twister1.jpg' (17 KB)
Download 'twister2.jpg' (47 KB)
Download 'twister3.jpg' (46 KB)
Preview of image 'twister1.jpg'
Preview of image 'twister2.jpg'
Preview of image 'twister3.jpg'
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From: Bob Hughes
Subject: Re: Twiste objects include file, some pre-release examples (108k pre-UU) (1/1)
Date: 27 Jan 1999 00:32:52
Message: <36AEA4EA.BB49F038@aol.com>
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Looks neat. That second image with the snake-skin, does that one have a
angular spiral? That walnut wood (or?) looks superb in those too.
Peter Popov wrote:
>
> [Image]
>
> [Image]
>
> [Image]
--
omniVERSE: beyond the universe
http://members.aol.com/inversez/POVring.htm
=Bob
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From: Remco de Korte
Subject: Re: Twiste objects include file, some pre-release examples (108k pre-UU) (1/1)
Date: 27 Jan 1999 07:29:19
Message: <36AEFABF.A9D18EEF@xs4all.nl>
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Peter Popov wrote:
>
> [Image]
>
> [Image]
>
> [Image]
I mainly like the impressive texturing (especially the snakeskin).
Remco
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From: Josh English
Subject: Re: Twiste objects include file, some pre-release examples (108k pre-UU) (1/1)
Date: 27 Jan 1999 11:53:07
Message: <36AF455F.C56A59F@spiritone.com>
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Amazing! The top one looks like the texture follows the shape of the
object. how did you pull this off? I'm very impressed.
Josh English
eng### [at] spiritone com
Peter Popov wrote:
> [Image]
>
> [Image]
>
> [Image]
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From: Peter Popov
Subject: Re: Twiste objects include file, some pre-release examples (108k pre-UU) (1/1)
Date: 27 Jan 1999 22:01:36
Message: <36afd254.26745540@news.povray.org>
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Credits time:
The walnut is a standard texture T_Wood1 IIRC
The snake resulted from my brother's second attemp at POV, he was
initially modelling a doughnut
The uv mapping wouldn't have been possible without the help of John
VanSickle
Thanks for your nice comments. Look out for the .inc
Peter
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