POV-Ray : Newsgroups : povray.binaries.images : Bezier-patch torus : Re: Bezier-patch torus Server Time
24 Apr 2024 18:49:35 EDT (-0400)
  Re: Bezier-patch torus  
From: Tor Olav Kristensen
Date: 29 Aug 2018 18:50:01
Message: <web.5b87227adc5d6572df3f16580@news.povray.org>
"Bald Eagle" <cre### [at] netscapenet> wrote:
> OK, after the initial inspiration by BGimeno, and some much needed assistance
> from TOK, clipka, and jr,
> I managed to make some significant headway, and then sat down for Round Two to
> work out the intimate details of Theta, Phi, the parametric equations, the array
> assignments, and the array-of-array assignments.
>
> 12x36 patches, 4 corners established by the parametric and f_noise3d(), then
> vectors for the planes containing those corners calculated, then the remaining
> 12 intermediate control points for each patch interpolated from those.
>
> I thinks there's still a wee bit of debugging to do, with regard to the vector
> calculations, but it's sure "close enough" at this point to post.
>
> Quite frankly, I'm amazed it even works at all, but here it is  :)

Good !

- but it needs a less confusing texture.

Did you create a 12x36 array of 4x4 arrays, where each 4x4 array contains the
control points for each bicubic Bezier patch ?

--
Tor Olav
http://subcube.com


Post a reply to this message

Copyright 2003-2023 Persistence of Vision Raytracer Pty. Ltd.