Line data    Source code

       1             : //* This file is part of the MOOSE framework
       2             : //* https://mooseframework.inl.gov
       3             : //*
       4             : //* All rights reserved, see COPYRIGHT for full restrictions
       5             : //* https://github.com/idaholab/moose/blob/master/COPYRIGHT
       6             : //*
       7             : //* Licensed under LGPL 2.1, please see LICENSE for details
       8             : //* https://www.gnu.org/licenses/lgpl-2.1.html
       9             : 
      10             : #pragma once
      11             : 
      12             : #include "libmesh/mesh.h"
      13             : 
      14             : namespace libMesh
      15             : {
      16             : class BoundingBox;
      17             : }
      18             : 
      19             : /**
      20             :  * Helper class that computes the intersection of a line segment defined by a point and a direction
      21             :  * and a bounding box.
      22             :  */
      23        3070 : class BoundingBoxIntersectionHelper
      24             : {
      25             : public:
      26             :   /**
      27             :    * Constructor.
      28             :    * \param bbox The bounding box
      29             :    * \param dim The dimension of the bounding box
      30             :    */
      31             :   BoundingBoxIntersectionHelper(const libMesh::BoundingBox & bbox, const unsigned int dim);
      32             : 
      33             :   /**
      34             :    * \return The intersection of the segment defined by the point \p point and the direction \p
      35             :    * direction. Will return RayTracingCommon::invalid_point if no intersection is found.
      36             :    */
      37             :   libMesh::Point intersection(const libMesh::Point & point, const libMesh::Point & direction) const;
      38             : 
      39             : private:
      40             :   /// Dummy communicator for the dummy mesh
      41             :   libMesh::Parallel::Communicator _comm;
      42             :   /// Dummy mesh that contains a single element used for TraceRayTools intersection methods
      43             :   const std::unique_ptr<libMesh::Mesh> _mesh;
      44             :   /// hmax for the dummy element
      45             :   libMesh::Real _hmax;
      46             : };