elecConductor.hpp

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#pragma once

/*   This file is part of rl-lib
 *
 *   Copyright (C) 2010,  Herve FREZZA-BUET
 *
 *   Author : Herve Frezza-Buet
 *
 *   Contributor :
 *
 *   This library is free software; you can redistribute it and/or
 *   modify it under the terms of the GNU General Public
 *   License (GPL) as published by the Free Software Foundation; either
 *   version 3 of the License, or any later version.
 *   
 *   This library is distributed in the hope that it will be useful,
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 *   General Public License for more details.
 *   
 *   You should have received a copy of the GNU General Public
 *   License along with this library; if not, write to the Free Software
 *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
 *
 *   Contact : Herve.Frezza-Buet@supelec.fr
 *
 */

#include <elecPoint.hpp>
#include <elecParams.hpp>
#include <elecParticle.hpp>
#include <utility>

namespace elec {
  namespace conductor {

    class Metal {
    public:
      double r;
      unsigned int idf;
      Metal(double resist) : r(resist) {}
      virtual ~Metal() {}
      virtual bool inside(const elec::Point& p) {return false;}
      virtual std::pair<elec::Point,elec::Point> bounding_box() const = 0;
      elec::Point friction(const elec::Particle& p) {
        return -p.speed*r*elecCONDUCTOR_VISCOSITY;
      }
    };
    
    class Rectangle : public Metal {
    public:
      elec::Point min,max;
      Rectangle(const elec::Point& min_corner,
                const elec::Point& max_corner,
                double r) 
        : Metal(r),
          min(min_corner),
          max(max_corner) {}
      virtual bool inside(const elec::Point& p) {
        return p.x >= min.x
          && p.x <= max.x
          && p.y >= min.y
          && p.y <= max.y;
      }
      
      virtual std::pair<elec::Point,elec::Point> bounding_box() const {
        return {min,max};
      }
    };
    
    class Disk : public Metal {
    public:
      elec::Point center;
      double radius;
      Disk(const elec::Point& C,
           double R,
           double r) 
        : Metal(r),
          center(C),
          radius(R) {}
      virtual bool inside(const elec::Point& p) {
        return elec::d(center,p) <= radius;
      }

      virtual std::pair<elec::Point,elec::Point> bounding_box() const {
        return {center-elec::Point(radius,radius),
            center+elec::Point(radius,radius)};
      }
    };
  }
}