Incidentally, there's a JavaScript library called Sylvester
http://sylvester.jcoglan.com/
that replicates many of the built-in OpenGL and GLSL matrix and vector
functions. You can poke around in the code and see how they work.
alx
On 9 Feb 2011, at 07:22, Alastair Leith <qc.student...@gmail.com> wrote:
> would this JS function be correctly called Normalize or Clamp?
>
> function Normalize (a)
> {
> b = Math.min (1, Math.max(0, a));
> return b
> }
>
> Does normalizing typically map a whole (defined) range of values to [0,1] or
> just Filter/Clamp values to [0,1]? I read the OpenGL doc
> (GLSL-Land-spec-4.00.8) but I'm none the wiser.
>
> best
> alastair
>
>
> The notion of looking on at life has always been hateful to me. What am I if
> I am not a participant? In order to be, I must participate.
> Antoine de Saint-Exupery
>
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