Added checked against an empty _kdNodes list before commensing with intersection

2008-08-19 17:41:55 +00:00
parent 3cec676d98
commit f930e707e8
1 changed files with 2 additions and 0 deletions
--- a/src/osg/KdTree.cpp
+++ b/src/osg/KdTree.cpp
@@ -755,6 +755,8 @@ bool KdTree::build(BuildOptions& options, osg::Geometry* geometry)

 bool KdTree::intersect(const osg::Vec3& start, const osg::Vec3& end, LineSegmentIntersections& intersections) const
 {
+    if (_kdNodes.empty()) return false;
+
    int numIntersectionsBefore = intersections.size();

    IntersectKdTree intersector(*_vertices,