Ball.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

#include "GeometryBase.h"
#include "libmesh/point.h"
#include "libmesh/sphere.h"

class LineSegment;

class Ball : public GeometryBase
{
public:
  Ball(const libMesh::Point & c, libMesh::Real r) : _c(c), _r(r) {}

  ~Ball() override = default;

  const libMesh::Point & center() const { return _c; }
  libMesh::Real radius() const { return _r; }

  bool intersect(const LineSegment & line_segment) const override;

  Ball computeBoundingBall() const override;

#if LIBMESH_DIM > 2
  libMesh::Sphere toSphere() const { return libMesh::Sphere(_c, _r); }
#endif

private:
  libMesh::Point _c;
  libMesh::Real _r;
};