corner.h

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/*
    mesh3d
    Copyright (C) 2010  Timo Suoranta

    This library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
    License as published by the Free Software Foundation; either
    version 2.1 of the License, or (at your option) any later version.

    This library is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    Lesser General Public License for more details.

    You should have received a copy of the GNU Lesser General Public
    License along with this library; if not, write to the Free Software
    Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
*/

#ifndef MESH3D__CORNER__H
#define MESH3D__CORNER__H

#include "mesh3d/attribute_map.h"
#include "mesh3d/polygon.h"
#include <memory>

namespace mesh3d {

class point;
class polygon;
class geometry;

class corner 
{
public:
    mesh3d::point    *point  (){ return m_point;   }
    mesh3d::polygon  *polygon(){ return m_polygon; }

    void compute_normal(
        std::tr1::shared_ptr<attribute_map<mesh3d::corner*,  vec3> > corner_normals,
        std::tr1::shared_ptr<attribute_map<mesh3d::polygon*, vec3> > polygon_normals,
        std::tr1::shared_ptr<attribute_map<mesh3d::point*,   vec3> > point_locations,
        float                                                        cos_max_smoothing_angle
    );

private:
    friend class polygon;

    corner(mesh3d::point *point, mesh3d::polygon *polygon)
    :   m_point  (point)
    ,   m_polygon(polygon)
    {
    }

private:
    mesh3d::point    *m_point;
    mesh3d::polygon  *m_polygon;
};

}

#endif