From bce184e87cbb6f68a48d0b896ff72ff5d26df2dd Mon Sep 17 00:00:00 2001
From: Robert Osfield <robert@openscenegraph.com>
Date: Mon, 27 Oct 2003 10:29:52 +0000
Subject: [PATCH] Added a check into osg::Sequence::traverse() against an empty
 sequence, so that a non existant child is not traversed.

---
 src/osg/Sequence.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/osg/Sequence.cpp b/src/osg/Sequence.cpp
index c24ffecdb..2d580ddc2 100644
--- a/src/osg/Sequence.cpp
+++ b/src/osg/Sequence.cpp
@@ -200,7 +200,7 @@ void Sequence::traverse(NodeVisitor& nv)
     // now do the traversal
     if (nv.getTraversalMode()==NodeVisitor::TRAVERSE_ACTIVE_CHILDREN)
     {
-        if (getValue()>=0) _children[getValue()]->accept(nv);
+        if (getValue()>=0 && getValue()<(int)_children.size()) _children[getValue()]->accept(nv);
     }
     else
     {