> Is there a straight forward method to determine if a ground > xyz target point (or geode bbox centerpoint) is currently > visible (i.e. within the current view frustrum)? > > I'm drawing a HUD target line, but don't want to draw it if > the target point is not in view.
In addition to the projection solution... You could use a cull callback on the Node in question and call CullVisitor::isCulled(). (If you have multiple cameras contributing to a single view, then at least one of the cull traversals would have to indicate "in view".) Paul Martz Skew Matrix Software LLC http://www.skew-matrix.com 303 859 9466 _______________________________________________ osg-users mailing list [email protected] http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
