/home/kitware/dashboards/avogadro/libavogadro/src/sphere_p.h

/**********************************************************************
  Sphere - Class for drawing spheres in OpenGL

  Copyright (C) 2006,2007 Benoit Jacob

  This file is part of the Avogadro molecular editor project.
  For more information, see <http://avogadro.openmolecules.net/>

  Avogadro is free software; you can redistribute it and/or modify
  it under the terms of the GNU General Public License as published by
  the Free Software Foundation; either version 2 of the License, or
  (at your option) any later version.

  Avogadro 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 program; if not, write to the Free Software
  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
  02110-1301, USA.
 **********************************************************************/

#ifndef SPHERE_H
#define SPHERE_H

#include <avogadro/global.h>

#include <Eigen/Core>

namespace Avogadro {

  class SpherePrivate;
  class Sphere
  {
    private:
      SpherePrivate * const d;

    protected:

      inline unsigned short indexOfVertex(
          int strip, int column, int row);
      void computeVertex( int strip, int column, int row );

      void freeBuffers();
      void initialize();

    public:
      Sphere( int detail = 0 );
      ~Sphere();

      void setup( int detail );

      void draw( const Eigen::Vector3d &center, double radius ) const;
  };

}

#endif