[osg-users] LineOfSight intersection returning geometry
    Tony Vasile 
    minghia at gmail.com
       
    Wed Jan 20 23:57:48 PST 2016
    
    
  
Okay so I found this code:
Code:
osg::ref_ptr<osgUtil::IntersectorGroup> intersectorGroup = new osgUtil::IntersectorGroup();
        for(unsigned int r=0; r<numRows; ++r)
        {
            for(unsigned int c=0; c<numColumns; ++c)
            {
                osg::Vec3d s = start + deltaColumn * double(c) + deltaRow * double(r);
                osg::Vec3d e = end + deltaColumn * double(c) + deltaRow * double(r);
                osg::ref_ptr<osgUtil::LineSegmentIntersector> intersector = new osgUtil::LineSegmentIntersector(s, e);
                intersectorGroup->addIntersector( intersector.get() );
            }
        }
        
        osgUtil::IntersectionVisitor intersectVisitor( intersectorGroup.get(), new MyReadCallback );
        scene->accept(intersectVisitor);
 in the osgintersections.cpp example. One thing that I can't find is how do I set a traversal mask?
Tony
------------------------
Tony V
------------------
Read this topic online here:
http://forum.openscenegraph.org/viewtopic.php?p=66069#66069
    
    
More information about the osg-users
mailing list