Melchior FRANZ writes:
>
> A bounding sphere may be empty, which is perfectly valid.
> Such empty spheres have negative radius, but undefined center.
> (I checked both sg and fgfs for further occurrences of this
> problem.)
AFAICT The added check can't hurt anything but ....
It is a 'serious' bug if we are inserting anything into the
Scenery that doesn't have an extent
Valgrind has no way of knowing this
Norman
> m.
>
>
>
> RCS file: /var/cvs/FlightGear-0.9/FlightGear/src/Scenery/hitlist.cxx,v
> retrieving revision 1.1.1.1
> diff -u -p -r1.1.1.1 hitlist.cxx
> --- hitlist.cxx 10 Sep 2002 01:14:07 -0000 1.1.1.1
> +++ hitlist.cxx 3 Jun 2003 19:54:21 -0000
> @@ -348,7 +348,7 @@ void FGHitList::IntersectBranch( ssgBran
> kid != NULL;
> kid = branch->getNextKid() )
> {
> - if ( kid->getTraversalMask() & SSGTRAV_HOT )
> + if ( kid->getTraversalMask() & SSGTRAV_HOT &&
> !kid->getBSphere()->isEmpty() )
> {
> sgdVec3 center;
> sgdSetVec3( center,
>
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