Plane3d.hh

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//=============================================================================
//
//  CLASS Plane3D
//
//=============================================================================
 
 
#ifndef OPENMESH_PLANE3D_HH
#define OPENMESH_PLANE3D_HH
 
 
//== INCLUDES =================================================================
 
#include <OpenMesh/Core/Geometry/VectorT.hh>
 
 
//== FORWARDDECLARATIONS ======================================================
 
//== NAMESPACES ===============================================================
 
namespace OpenMesh {
namespace VDPM {
 
//== CLASS DEFINITION =========================================================
 
              
class OPENMESHDLLEXPORT Plane3d
{
public:
 
  typedef OpenMesh::Vec3f         vector_type;
  typedef vector_type::value_type value_type;
 
public:
 
  Plane3d()
    : d_(0)
  { }
 
  Plane3d(const vector_type &_dir, const vector_type &_pnt)
    : n_(_dir), d_(0)
  { 
    n_.normalize();
    d_ = -dot(n_,_pnt); 
  }
 
  value_type signed_distance(const OpenMesh::Vec3f &_p)
  {
    return  dot(n_ , _p) + d_;
  }
 
  // back compatibility
  value_type singed_distance(const OpenMesh::Vec3f &point)
  { return signed_distance( point ); }
 
public:
 
  vector_type n_;
  value_type  d_;
 
};
 
//=============================================================================
} // namespace VDPM
} // namespace OpenMesh
//=============================================================================
#endif // OPENMESH_PLANE3D_HH defined
//=============================================================================