[Fluxus] 'polygon

Dave Griffiths dave at pawfal.org
Wed Mar 3 05:49:30 PST 2010


On Tue, 2010-03-02 at 21:50 +0100, Kassen wrote:
> Hey Dave!
> 
> 
>         Nope - convex polygons only. Any concave bits will be filled
>         in.
>         
>         
> 
> 
> I got away with some concave corners; my "shop" model has a
> overhanging gallery so the side walls have a concave corner, but there
> I got lucky as that was originally a 'triangle-fan anyway. 

Triangle fans can be used to do concave polygons, up to a point.

> That was in a way bad luck as it made me jump to the conclusion that
> this should be possible. Is the kind of thing I was looking for
> fundamentally impossible in OpenGL?

Nothing's impossible if you cheat :)

> The Git version with the PLT fix has been great so far, BTW.
> Beautifully stable.

Good. So far, same here. 

cheers,

dave




More information about the Fluxus mailing list