Refactored osgManipulator so that CommandManager is no longer required, instead Dragger directly manages Constaints and associate Selections.

2009-06-30 11:39:39 +00:00
parent a73a403301
commit a2ae370c8e
16 changed files with 368 additions and 380 deletions
--- a/src/osgManipulator/Constraint.cpp
+++ b/src/osgManipulator/Constraint.cpp
@@ -41,6 +41,12 @@ osg::Vec3d snap_point_to_grid(const osg::Vec3d& point, const osg::Vec3d& origin,

 void Constraint::computeLocalToWorldAndWorldToLocal() const
 {
+    if (!_refNode)
+    {
+        osg::notify(osg::INFO)<<"osgManipulator::Constraint::computeLocalToWorldAndWorldToLocal() error, _refNode is null"<<std::endl;
+        return;
+    }
+
    osg::NodePath pathToRoot;
    computeNodePathToRoot(const_cast<osg::Node&>(getReferenceNode()),pathToRoot);
    _localToWorld = osg::computeLocalToWorld(pathToRoot);