optimizer: avoid reordering nodes

Fixes an osgParticle cloning issue. (Fixes #3773)
8 years ago · 5caf53b6a3
parent a95773beef
commit 5caf53b6a3
1 changed files with 2 additions and 1 deletions
--- a/components/sceneutil/optimizer.cpp
+++ b/components/sceneutil/optimizer.cpp
@ -847,10 +847,11 @@ void Optimizer::RemoveRedundantNodesVisitor::removeRedundantNodes()
                pitr!=parents.end();
                ++pitr)
            {
+                unsigned int childIndex = (*pitr)->getChildIndex(group);
                for (unsigned int i=0; i<group->getNumChildren(); ++i)
                {
                    osg::Node* child = group->getChild(i);
-                    (*pitr)->addChild(child);
+                    (*pitr)->insertChild(childIndex++, child);
                }

                (*pitr)->removeChild(group);