esg: esg/src/POGExplorer.cc Source File

00001 #include <esg/explorer/POGExplorer.h>
00002 #include <esg/geometry/Geometry.h>
00003 
00004 using namespace esg;
00005 
00006 bool POGExplorer::_process_leaf(SceneGraphObject& obj)
00007 {
00008     const Geometry* pGeom = obj.geometry();
00009     if (!pGeom) return false;
00010 
00011     if (_trStack.empty()) _pog.add(pGeom->centroid());
00012     else {
00013         Vector3 pog(pGeom->centroid());
00014         _trStack.top()->transform(pog);
00015         _pog.add(pog);
00016     }
00017     _num++;
00018 
00019     return true;
00020 }
00021 
00022 
00023 Vector3 POGExplorer::result()
00024 {
00025     if (_num) _pog.scale(1.0/_num);
00026     _num = 0;
00027     return _pog;
00028 }