xyzbounding.h

/***************************************************************************
                          xyzbounding.h  -  description
                             -------------------
    begin                : Sun Aug 24 2003
    copyright            : (C) 2003 by Jacques Gasselin de Richebourg
    email                : jacquesgasselin@hotmail.com
 ***************************************************************************/

/***************************************************************************
 *                                                                         *
 *   This program is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU Lesser General Public License as published by  *
 *   the Free Software Foundation; either version 2 of the License, or     *
 *   (at your option) 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     *
 *   Lesser General Public License for more details.                       *
 *                                                                         *
 *   You should have received a copy of the GNU Lesser 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 *
 *                                                                         *
 ***************************************************************************/

#ifndef XYZBOUNDING_H
#define XYZBOUNDING_H


#include <map>
#include "glvector.h"

class XYZBounding
{
   typedef float boundType;
   std::pair<boundType,boundType> xbound;
   std::pair<boundType,boundType> ybound;
   std::pair<boundType,boundType> zbound;
   
public: 
    XYZBounding(GLVector toCentre, GLfloat w, GLfloat h, GLfloat l);
   XYZBounding(boundType xmax,boundType xmin,
               boundType ymax, boundType ymin,
               boundType zmax, boundType zmin);
   XYZBounding(const XYZBounding&);
               
    ~XYZBounding(){};

   inline bool intersection(const XYZBounding& bound)
   {
      //upper > lower
      //lower < upper
      if( xbound.first > bound.xbound.second
          &&
          xbound.second < bound.xbound.first
          &&
          ybound.first > bound.ybound.second
          &&
          ybound.second < bound.ybound.first
          &&
          zbound.first > bound.zbound.second
          &&
          zbound.second < bound.zbound.first
        ) return true;
      return false;
   }

   inline bool intersectionX(const boundType& upper, const boundType& lower)
   {
      if( xbound.first > lower && xbound.second < upper)
         return true;
      return false;
   }
   
   inline bool intersectionY(const boundType& upper, const boundType& lower)
   {
      if( ybound.first > lower && ybound.second < upper)
         return true;
      return false;
   }

   inline bool intersectionZ(const boundType& upper, const boundType& lower)
   {
      if( zbound.first > lower && zbound.second < upper)
         return true;
      return false;
   }
};

#endif

---