From Anish Thomas, added catch for to an empty DrawElementsUInt creation.

2013-08-01 11:25:02 +00:00
parent b69745f178
commit 5f6a1f4093
1 changed files with 5 additions and 0 deletions
--- a/src/osgUtil/DelaunayTriangulator.cpp
+++ b/src/osgUtil/DelaunayTriangulator.cpp
@@ -1269,6 +1269,11 @@ float DelaunayConstraint::windingNumber(const osg::Vec3 &testpoint) const
 }
 osg::DrawElementsUInt *DelaunayConstraint::makeDrawable()
 {
+    if (_interiorTris.empty())
+    {
+        return 0;
+    }
+
    // initialize index storage vector for internal triangles.
    std::vector<GLuint> pt_indices;
    pt_indices.reserve(_interiorTris.size() * 3);