I have a problem that if I go too close to the beam (or try to look alongside it), it suddenly disappears. Also, where is "laserbeam.bmp"? CBeamNode* beam = new CBeamNode( smgr->getRootSceneNode( ), smgr, 200, "laserbeam.bmp" ); beam->SetStartPoint( core::vector3df( -500, 0, 0 ) ...