Skip the Update traversal for inactive skeletons

components/sceneutil/skeleton.cpp

@@ -133,6 +133,13 @@ bool Skeleton::getActive() const
     return mActive;
 }
 
+void Skeleton::traverse(osg::NodeVisitor& nv)
+{
+    if (!mActive && nv.getVisitorType() == osg::NodeVisitor::UPDATE_VISITOR && mLastFrameNumber != 0)
+        return;
+    osg::Group::traverse(nv);
+}
+
 Bone::Bone()
     : mNode(NULL)
 {

components/sceneutil/skeleton.hpp

@@ -53,6 +53,8 @@ namespace SceneUtil
 
         bool getActive() const;
 
+        void traverse(osg::NodeVisitor& nv);
+
     private:
         // The root bone is not a "real" bone, it has no corresponding node in the scene graph.
         // As far as the scene graph goes we support multiple root bones.