From Sebastian Messerschmidt, "I've applied a simple fix for the backward animation support in osg::Sequence.

It will simply use the sign of the speed set in the getNextValue. Attached file is against trunk."


git-svn-id: http://svn.openscenegraph.org/osg/OpenSceneGraph/trunk@14302 16af8721-9629-0410-8352-f15c8da7e697

src/osg/Sequence.cpp

@@ -402,7 +402,7 @@ int Sequence::_getNextValue()
     int _sbegin = osg::minimum(_ubegin,_uend);
     int _send = osg::maximum(_ubegin,_uend);
 
-    int v = _value + _step;
+    int v = _value + _step * static_cast<int>(osg::sign(_speed));
 
     if (_sbegin==_send)
     {