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minor optimization?

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This commit is contained in:
David Rose 2007-10-23 00:36:45 +00:00
parent 847517b632
commit fd74ea21f5
1 changed files with 9 additions and 0 deletions
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9
panda/src/mathutil/boundingBox.cxx
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@ -596,6 +596,15 @@ contains_box(const BoundingBox *box) const {
////////////////////////////////////////////////////////////////////
int BoundingBox::
contains_hexahedron(const BoundingHexahedron *hexahedron) const {
// First, try the quick bounding-box test. If that's decisive,
// we'll accept it.
int result = contains_finite(hexahedron);
if (result == IF_no_intersection || ((result & IF_all) != 0)) {
return result;
}
// If that was inconclusive, we'll look more closely with the
// somewhat more expensive reverse answer.
return hexahedron->contains_box(this) & ~IF_all;
}