esg: esg/src/Geometry.cc Source File

00001 #include <esg/geometry/Geometry.h>
00002 
00003 using namespace esg;
00004 
00005 const float Geometry::EPS = 1e-03;
00006 
00007 void Geometry::_duplicate_attributes (const Geometry& src)
00008 {
00009     _insideOut = ((Geometry&)src)._insideOut;
00010 }
00011 
00012 bool Geometry::randomDirection(const Vector3& pov,
00013                                Vector3&       dir,
00014                                double*        pdf)
00015 {
00016     PointEnv pe;
00017     randomSample(ENV_WANT_INTERSECTION, pe, pdf);
00018     if (!(pe.mask|ENV_HAVE_INTERSECTION)) return false;
00019     dir.set(pe.intersection);
00020     dir.sub(pov);
00021     dir.normalize();
00022 }
00023 
00024 Mesh* Geometry::mesh(int density) const
00025 {
00026     Mesh* pMesh = _mesh(density);
00027     if (pMesh && _insideOut) (void) pMesh->turnInsideOut();
00028     return pMesh;
00029 }