Hi Alastair,
as I understand "nomalizing" it only works with vectors, because only a vector
has a "length".
From the GLSLLangSpec.4.00.8:
"genType normalize (genType x) - Returns a vector in the same direction as x
but with a length of 1."
Is this what you need? I what context do you need this in JS?
best,
Achim Breidenbach
Boinx Software
On 09.02.2011, at 08:22, Alastair Leith 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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