Changeset 229 for osgVisual/trunk/src/manip_Spacemouse/manip_nodeTrackerSpaceMouse.cpp

Timestamp:

Feb 13, 2011, 2:00:53 PM (13 years ago)

Author:

Torben Dannhauer

Message:

Fixed NodeTrackerManipulators?: Now the don't crash even if they are activated without a valid node to track.

File:

• osgVisual/trunk/src/manip_Spacemouse/manip_nodeTrackerSpaceMouse.cpp (modified) (1 diff)

osgVisual/trunk/src/manip_Spacemouse/manip_nodeTrackerSpaceMouse.cpp

@@ -324 +324 @@
     osg::NodePath nodePath;
         
-    if (  _trackNodePath.getNodePath(nodePath))
-    {
-        worldToLocal = osg::computeWorldToLocal(nodePath);
-        localToWorld = osg::computeLocalToWorld(nodePath);
+        if (_trackNodePath.getNodePath(nodePath) && !nodePath.empty())
+        {
+                worldToLocal = osg::computeWorldToLocal(nodePath);
+                localToWorld = osg::computeLocalToWorld(nodePath);
         nodeCenter = osg::Vec3d(nodePath.back()->getBound().center())*localToWorld;
-    }
+        }
     else
-    {
         nodeCenter = osg::Vec3d(0.0f,0.0f,0.0f)*localToWorld;
-    }