Re: [Plib-users] plib and shadows

[<Rol...@t-...>]

On Monday 10 June 2002 06:58, Steve Baker wrote:
> Rolf Jakob wrote:
> > As a newbie in OpenGL and plib I searched the web for  possibilities  to
> > have shadows in a scene. I found one simple tutorial for pure OpenGL from
> > a guy at nvidia using the stencil buffer.
>
> Yes - that's not a bad approach - but really all shadow algorithms come
> with some ugly compromises.  Many of the ones that are currently seen in
> games only work because the light source is close to the camera and the
> scene is quite restricted in size.
Yes, I know.  Compared to POVRAY's output it's lame, but it should give my 
scene a more natural look.

> > ssgCullAndDraw() don't seem to work as it's setting up OpenGL  the way it
> > needs it to draw it from the eye's point of view.
>
> Well, you can place a draw callback on the top level SGGL node and have
> it reset the parameters however you like.

Emm, what do you mean by top level SGGL ? The first leaf in the tree ?

Thanks,
Rolf
-- 
Rolf Jakob at home (rj...@du...)
WWW : http://www.franken.de/users/duffy1/rjakob (KDE-Utils and CCS)