Yes, you are correct. In fact, this explains an artifact I'm seeing in one of my programs. The normals must be getting screwed up because of scaling because lighting is funny on a pair of identical objects that have been scaled and rotated. I'll have to chase that idea down.
Regards. Mark K Vallevand Fat, dumb and happy. 2 out of 3 ain't bad. > -----Original Message----- > From: Curtis L. Olson [mailto:[EMAIL PROTECTED]] > Sent: Wednesday, February 20, 2002 3:15 PM > To: [EMAIL PROTECTED] > Subject: RE: [Flightgear-devel] Problem with panel code > > > Vallevand, Mark K writes: > > Sure. Scaling is not a problem with plib. The classes > > ssgTransform and ssgTexTrans are put in the scene graph to > > control object and texture transformations of their kids. > > One of the setTransform operations allows scaling. > > Be careful with scaling objects though because this can screw up > things like normal vectors (which would then screw up lighting.) > > Curt. > -- > Curtis Olson IVLab / HumanFIRST Program FlightGear Project > Twin Cities [EMAIL PROTECTED] [EMAIL PROTECTED] > Minnesota http://www.menet.umn.edu/~curt > http://www.flightgear.org > > _______________________________________________ > Flightgear-devel mailing list > [EMAIL PROTECTED] > http://mail.flightgear.org/mailman/listinfo/flightgear-devel > _______________________________________________ Flightgear-devel mailing list [EMAIL PROTECTED] http://mail.flightgear.org/mailman/listinfo/flightgear-devel
