/**
 * PANDA 3D SOFTWARE
 * Copyright (c) Carnegie Mellon University.  All rights reserved.
 *
 * All use of this software is subject to the terms of the revised BSD
 * license.  You should have received a copy of this license along
 * with this source code in a file named "LICENSE."
 *
 * @file triangulator3.h
 * @author drose
 * @date 2013-01-03
 */

#ifndef TRIANGULATOR3_H
#define TRIANGULATOR3_H

#include "pandabase.h"
#include "triangulator.h"
#include "plane.h"


/**
 * This is an extension of Triangulator to handle polygons with three-
 * dimensional points.  It assumes all of the points lie in a single plane,
 * and internally projects the supplied points into 2-D for passing to the
 * underlying Triangulator object.
 */
class EXPCL_PANDA_MATHUTIL Triangulator3 : public Triangulator {
PUBLISHED:
  Triangulator3();

  void clear();
  int add_vertex(const LPoint3d &point);
  INLINE int add_vertex(double x, double y, double z);

  INLINE int get_num_vertices() const;
  INLINE const LPoint3d &get_vertex(int n) const;
  MAKE_SEQ(get_vertices, get_num_vertices, get_vertex);

  void triangulate();
  INLINE const LPlaned &get_plane() const;

  MAKE_SEQ_PROPERTY(vertices, get_num_vertices, get_vertex);
  MAKE_PROPERTY(plane, get_plane);

private:
  typedef pvector<LPoint3d> Vertices3;
  Vertices3 _vertices3;

  LPlaned _plane;
};

#include "triangulator3.I"

#endif