branches/2d/src/wall_2d.hh

   1 // Voro++, a 3D cell-based Voronoi library
   2 //
   3 // Author   : Chris H. Rycroft (LBL / UC Berkeley)
   4 // Email    : chr@alum.mit.edu
   5 // Date     : August 30th 2011
   6
   7 /** \file wall_2d.hh
   8  * \brief Header file for the 2D derived wall classes. */
   9
  10 #ifndef VOROPP_WALL_2D_HH
  11 #define VOROPP_WALL_2D_HH
  12
  13 #include "cell_2d.hh"
  14 #include "container_2d.hh"
  15
  16 namespace voro {
  17
  18 /** \brief A class representing a circular wall object.
  19  *
  20  * This class represents a circular wall object. */
  21 struct wall_circle_2d : public wall_2d {
  22         public:
  23                 /** Constructs a spherical wall object.
  24                  * \param[in] w_id_ an ID number to associate with the wall for
  25                  *                  neighbor tracking.
  26                  * \param[in] (xc_,yc_) a position vector for the circle's
  27                  *                      center.
  28                  * \param[in] rc_ the radius of the circle. */
  29                 wall_circle_2d(double xc_,double yc_,double rc_,int w_id_=-99)
  30                         : w_id(w_id_), xc(xc_), yc(yc_), rc(rc_) {}
  31                 bool point_inside(double x,double y);
  32                 template<class v_cell_2d>
  33                 bool cut_cell_base(v_cell_2d &c,double x,double y);
  34                 bool cut_cell(voronoicell_2d &c,double x,double y) {return cut_cell_base(c,x,y);}
  35                 bool cut_cell(voronoicell_neighbor_2d &c,double x,double y) {return cut_cell_base(c,x,y);}
  36         private:
  37                 const int w_id;
  38                 const double xc,yc,rc;
  39 };
  40
  41 /** \brief A class representing a plane wall object.
  42  *
  43  * This class represents a single plane wall object. */
  44 struct wall_plane_2d : public wall_2d {
  45         public:
  46                 /** Constructs a plane wall object
  47                  * \param[in] (xc_,yc_) a normal vector to the plane.
  48                  * \param[in] ac_ a displacement along the normal vector.
  49                  * \param[in] w_id_ an ID number to associate with the wall for
  50                  * neighbor tracking. */
  51                 wall_plane_2d(double xc_,double yc_,double ac_,int w_id_=-99)
  52                         : w_id(w_id_), xc(xc_), yc(yc_), ac(ac_) {}
  53                 bool point_inside(double x,double y);
  54                 template<class v_cell_2d>
  55                 bool cut_cell_base(v_cell_2d &c,double x,double y);
  56                 bool cut_cell(voronoicell_2d &c,double x,double y) {return cut_cell_base(c,x,y);}
  57                 bool cut_cell(voronoicell_neighbor_2d &c,double x,double y) {return cut_cell_base(c,x,y);}
  58         private:
  59                 const int w_id;
  60                 const double xc,yc,ac;
  61 };
  62
  63 }
  64
  65 #endif