From: Angus Dorbie (dorbie++at++sgi.com)
Date: 02/22/2001 20:35:44
OK, I think I misunderstood, this looks OK.
Cheers,ANgus.
Angus Dorbie wrote:
>
> If I understand what you're trying to do, it looks like you compute the
> bounds before you apply the transform to the pfDCS.
>
> Cheers,Angus.
>
> Chris Scharver wrote:
> >
> > Hello,
> >
> > I am trying to determine the bounding sphere for a node in the scene
> > graph... but it is always returned as 0,0,0. Here's the code:
> >
> > pfSphere objSphere;
> > dcs->setBound( NULL, PFBOUND_STATIC ); //should force pf to recompute
> > dcs->getBound( &objSphere ); //get the sphere
> > pfVec3 objCenter = objSphere.center;
> > dcs->setTrans( -objCenter[0], -objCenter[1], -objCenter[2] );
> >
> > The pfVec3 objCenter should contain the center point of the heirarchy in
> > world coordinates, right? The dcs node should also be repositioned with
> > its center at the origin. Geodes and other children have already been
> > added under the dcs node, but is there something additional I need to do
> > in order to ensure the bounding sphere takes them into account? I know
> > that 0,0,0 isn't correct for the center because I have manually offset the
> > dcs position earlier.
> >
> > Any help would be appreciated. Thanks!
> >
> > -Chris
> >
> > __________________________________________________________________________
> > Chris Scharver EECS Graduate Student
> > Electronic Visualization Laboratory EVL Phone: 312-996-3002
> > The University of Illinois at Chicago EVL FAX: 312-413-7585
> > 1998-1999 UIC Men's Swimming and Diving
> >
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>
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