cgal/Kinetic_shape_reconstruction/include/CGAL/KSR_2/Vertex.h

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2.2 KiB
C++

// Copyright (c) 2019 GeometryFactory Sarl (France).
// All rights reserved.
//
// This file is part of CGAL (www.cgal.org).
//
// $URL$
// $Id$
// SPDX-License-Identifier: GPL-3.0-or-later OR LicenseRef-Commercial
//
//
// Author(s) : Simon Giraudot
#ifndef CGAL_KSR_2_VERTEX_H
#define CGAL_KSR_2_VERTEX_H
//#include <CGAL/license/Kinetic_shape_reconstruction.h>
#include <CGAL/KSR/utils.h>
namespace CGAL
{
namespace KSR_2
{
template <typename FT>
class Vertex
{
private:
FT m_point;
FT m_direction;
std::size_t m_segment_idx;
unsigned int m_remaining_intersections;
std::size_t m_meta_vertex_idx;
public:
Vertex () { }
Vertex (FT point,
std::size_t segment_idx = KSR::no_element(),
unsigned int remaining_intersections = 0)
: m_point (point)
, m_direction (0)
, m_segment_idx (segment_idx)
, m_remaining_intersections(remaining_intersections)
, m_meta_vertex_idx (KSR::no_element())
{
}
const std::size_t& segment_idx() const { return m_segment_idx; }
std::size_t& segment_idx() { return m_segment_idx; }
FT point(FT time) const { return m_point + time * m_direction; }
const FT& direction() const { return m_direction; }
FT& direction() { return m_direction; }
FT speed() const { return CGAL::abs (m_direction); }
const unsigned int& remaining_intersections() const { return m_remaining_intersections; }
unsigned int& remaining_intersections() { return m_remaining_intersections; }
const std::size_t& meta_vertex_idx() const { return m_meta_vertex_idx; }
std::size_t& meta_vertex_idx() { return m_meta_vertex_idx; }
bool is_frozen() const { return (m_direction == FT(0)); }
void freeze(FT time)
{
m_point = m_point + time * m_direction;
m_direction = FT(0);
m_remaining_intersections = 0;
}
friend std::ostream& operator<< (std::ostream& os, const Vertex& vertex)
{
os << "vertex(" << vertex.m_point << "," << vertex.m_direction << ") on segment " << vertex.m_segment_idx
<< " and meta vertex " << vertex.meta_vertex_idx() << " with "
<< vertex.m_remaining_intersections << " remaining intersection(s)";
return os;
}
};
}} // namespace CGAL::KSR_2
#endif // CGAL_KSR_2_VERTEX_H