FGFS-4.1/OpenSceneGraph
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Added check against the validity of the _inverse matrix pointer.

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Robert Osfield
2005-12-19 15:05:26 +00:00
parent 523f608ba6
commit aef81ae00d
1 changed files with 1 additions and 1 deletions
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2
src/osgUtil/IntersectVisitor.cpp
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@@ -211,7 +211,7 @@ bool IntersectVisitor::hits()
osg::Vec3 IntersectVisitor::getEyePoint() const osg::Vec3 IntersectVisitor::getEyePoint() const
{ {
const IntersectState* cis = _intersectStateStack.empty() ? 0 : _intersectStateStack.back().get(); const IntersectState* cis = _intersectStateStack.empty() ? 0 : _intersectStateStack.back().get();
if (cis) if (cis && cis->_inverse.valid())
{ {
//osg::notify(osg::NOTICE)<<"IntersectVisitor::getEyePoint()"<<_pseudoEyePoint * (*(cis->_inverse))<<std::endl; //osg::notify(osg::NOTICE)<<"IntersectVisitor::getEyePoint()"<<_pseudoEyePoint * (*(cis->_inverse))<<std::endl;
return _pseudoEyePoint * (*(cis->_inverse)); return _pseudoEyePoint * (*(cis->_inverse));