100 lines
3.5 KiB
C++
100 lines
3.5 KiB
C++
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/*===========================================================================*\
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* *
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* OpenMesh *
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* Copyright (C) 2001-2003 by Computer Graphics Group, RWTH Aachen *
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* www.openmesh.org *
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* *
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*---------------------------------------------------------------------------*
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* *
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* License *
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* *
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* This library is free software; you can redistribute it and/or modify it *
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* under the terms of the GNU Lesser General Public License as published *
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* by the Free Software Foundation, version 2.1. *
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* *
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* This library is distributed in the hope that it will be useful, but *
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* WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU *
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* Lesser General Public License for more details. *
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* *
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* You should have received a copy of the GNU Lesser General Public *
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* License along with this library; if not, write to the Free Software *
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. *
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* *
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\*===========================================================================*/
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//=============================================================================
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//
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// CLASS Plane3D
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//
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//=============================================================================
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#ifndef OPENMESH_PLANE3D_HH
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#define OPENMESH_PLANE3D_HH
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//== INCLUDES =================================================================
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#include <OpenMesh/Core/Geometry/VectorT.hh>
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//== FORWARDDECLARATIONS ======================================================
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//== NAMESPACES ===============================================================
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namespace OpenMesh {
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namespace VDPM {
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//== CLASS DEFINITION =========================================================
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/** \class Plane3d Plane3d.hh <OpenMesh/Tools/VDPM/Plane3d.hh>
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ax + by + cz + d = 0
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*/
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class Plane3d
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{
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public:
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typedef OpenMesh::Vec3f vector_type;
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typedef vector_type::value_type value_type;
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public:
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Plane3d()
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: d_(0)
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{ }
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Plane3d(const vector_type &_dir, const vector_type &_pnt)
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: n_(_dir), d_(0)
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{
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n_.normalize();
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d_ = -dot(n_,_pnt);
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}
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value_type signed_distance(const OpenMesh::Vec3f &_p)
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{
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return dot(n_ , _p) + d_;
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}
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// back compatibility
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value_type singed_distance(const OpenMesh::Vec3f &point)
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{ return signed_distance( point ); }
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public:
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vector_type n_;
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value_type d_;
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};
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//=============================================================================
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} // namespace VDPM
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} // namespace OpenMesh
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//=============================================================================
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#endif // OPENMESH_PLANE3D_HH defined
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//=============================================================================
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