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 "Ball.h"
      13             : #include "GeometryBase.h"
      14             : #include "libmesh/point.h"
      15             : 
      16             : class LineSegment;
      17             : 
      18             : /**
      19             :  * Triangle geometry helper.
      20             :  */
      21             : class Triangle : public GeometryBase
      22             : {
      23             : public:
      24             :   Triangle() = default;
      25             :   Triangle(const libMesh::Point & p0, const libMesh::Point & p1, const libMesh::Point & p2);
      26             : 
      27           0 :   ~Triangle() override = default;
      28             : 
      29             :   /**
      30             :    * Normal vector of the triangle.
      31             :    */
      32             :   libMesh::Point normal() const;
      33             : 
      34             :   /**
      35             :    * Check if a line segment intersects this triangle.
      36             :    */
      37             :   bool intersect(const LineSegment & l, libMesh::Point & intersect_p) const;
      38             : 
      39             :   /**
      40             :    * Check if a line segment intersects this triangle, without returning the intersection point.
      41             :    */
      42             :   bool intersect(const LineSegment & line_segment) const override;
      43             : 
      44             :   /**
      45             :    * Compute a bounding ball for this triangle.
      46             :    */
      47             :   Ball computeBoundingBall() const override;
      48             : 
      49             : private:
      50             :   libMesh::Point _p0, _p1, _p2;
      51             : };