POV-Ray : Newsgroups : povray.beta-test : Spline_Trans bug Server Time
2 Nov 2024 17:20:38 EDT (-0400)
  Spline_Trans bug (Message 1 to 2 of 2)  
From: delfeld
Subject: Spline_Trans bug
Date: 14 Oct 2001 04:02:38
Message: <3BC947DE.131305BE@mailcity.com>
Win98, AMD350
The macro Spline_Trans(Spline, Time, SkyVector, ForeSight, Banking) in
the file "transforms.inc" produces an error when ForeSight is set to 0
(zero).  This does not seem to happen when the clock value is used, but
only when passing a non-clock float.


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From: Rune
Subject: Re: Spline_Trans bug
Date: 18 Oct 2001 12:58:30
Message: <3bcf0a36@news.povray.org>
<del### [at] mailcitycom> wrote:
> The macro Spline_Trans in the file "transforms.inc" produces an
> error when ForeSight is set to 0 (zero).

This is a documentation error (my fault).

This:

Foresight = How much in advance the object will turn and bank. Values close
to 0 will give precise results, while higher values give smoother results.
It will not affect parsing speed, so just find the value that looks best.

Should be changed to this:

Foresight = A positive value that controls how much in advance the object
will turn and bank. Values close to 0 will give precise results, while
higher values give smoother results. It will not affect parsing speed, so
just find the value that looks best.

Rune
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