LineSegment.h

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//* This file is part of the MOOSE framework
//* https://mooseframework.inl.gov
//*
//* All rights reserved, see COPYRIGHT for full restrictions
//* https://github.com/idaholab/moose/blob/master/COPYRIGHT
//*
//* Licensed under LGPL 2.1, please see LICENSE for details
//* https://www.gnu.org/licenses/lgpl-2.1.html
 
#pragma once
 
// MOOSE includes
#include "Ball.h"
#include "DataIO.h"
#include "GeometryBase.h"
 
#include "json.h"
#include "libmesh/point.h"
 
// forward declarations
namespace libMesh
{
class Plane;
}
 
class LineSegment : public GeometryBase
{
public:
  LineSegment() = default;
  LineSegment(const Point & p0, const Point & p1);
 
  ~LineSegment() override = default;
 
  Point closest_point(const Point & p) const;
 
  bool closest_normal_point(const Point & p, Point & closest_p) const;
 
  bool contains_point(const Point & p) const;
 
  bool intersect(const libMesh::Plane & pl, Point & intersect_p) const;
 
  bool intersect(const LineSegment & l1, Point & intersect_p) const;
 
  bool intersect(const LineSegment & line_segment) const override;
 
  Ball computeBoundingBall() const override;
 
  const Point & start() const { return _p0; }
 
  const Point & end() const { return _p1; }
 
  void setStart(const Point & p0) { _p0 = p0; }
 
  void setEnd(const Point & p1) { _p1 = p1; }
 
  void set(const Point & p0, const Point & p1);
 
  Real length() const { return (_p0 - _p1).norm(); }
 
  Point normal() const;
 
private:
  bool closest_point(const Point & p, bool clamp_to_segment, Point & closest_p) const;
 
  Point _p0, _p1;
};
 
void dataStore(std::ostream & stream, LineSegment & l, void * context);
void dataLoad(std::istream & stream, LineSegment & l, void * context);
 
void to_json(nlohmann::json & json, const LineSegment & l);