Re: [Plib-devel] Releasing PLIB 1.2 *soon*.

[Steve B. <sjb...@ai...>]

Christian Mayer wrote:
> 
> Steve Baker wrote:
> >
> > I wanted to mention that I'd like to release PLIB 1.2 (a stable
> > release) sometime soon.  I have a couple of mods of my own to
> > put in - if anyone else needs to commit anything or knows of
> > any significant problems that need fixing - please let me know
> > so that we can arrange to catch all of these prior to release.
> 
> I'd like to add a bit of functionality to SG. I think I write it up in
> no-time (but not compile it as my box is in major reordering at the
> moment). Is it still possible that it makes it to 1.2?
> 
> It'd be
> 
> void sgProjectOnVector3           ( sgVec3 dst, sgVec3 src1, sgVec3 src3
> );
> void sgProjectOnNormalizedVector3 ( sgVec3 dst, sgVec3 src1, sgVec3 src3
> );
> 
> that projects one vector on the other and
> 
> void sgProjectOnNormal3           ( sgVec3 dst, sgVec3 src1, sgVec3 src3
> );
> void sgProjectOnNormalizedNormal3 ( sgVec3 dst, sgVec3 src1, sgVec3 src3
> );
> 
> that maps the vector onto a plane.
> 
> I can also supply the functions for 'sgd' and perhaps other dimensions
> (if that makes sense...). If the names could be differenet if that makes
> more sense...

That sounds pretty non-contentious - I don't see a problem with
popping that stuff into the SG lib.

A not-normalized normal is a vector and a normalized vector is
a normal - so I find the names a bit confusing.

I'm not quite sure what you intend these to do but how about

sgProjectVec3OntoPlane
sgProjectNormal3OntoPlane

etc.

-- 
Steve Baker                  http://web2.airmail.net/sjbaker1
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