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Ray.h

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/************************************************************** ggt-head beg
 *
 * GGT: Generic Graphics Toolkit
 *
 * Original Authors:
 *   Allen Bierbaum
 *
 * -----------------------------------------------------------------
 * File:          $RCSfile: Ray.h,v $
 * Date modified: $Date: 2003/02/23 07:16:49 $
 * Version:       $Revision: 1.2 $
 * -----------------------------------------------------------------
 *
 *********************************************************** ggt-head end */
/*************************************************************** ggt-cpr beg
*
* GGT: The Generic Graphics Toolkit
* Copyright (C) 2001,2002 Allen Bierbaum
*
* This library 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 2.1 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
*
 ************************************************************ ggt-cpr end */
#ifndef _GMTL_RAY_H_
#define _GMTL_RAY_H_

#include <gmtl/Point.h>
#include <gmtl/Vec.h>
#include <gmtl/VecOps.h>

namespace gmtl {

template< class DATA_TYPE >
class Ray
{
public:
   Ray()
   {}

   Ray( const Point<DATA_TYPE, 3>& origin, const Vec<DATA_TYPE, 3>& dir )
      : mOrigin( origin ), mDir( dir )
   {}

   

   Ray( const Ray& lineseg )
   {
      mOrigin = lineseg.mOrigin;
      mDir = lineseg.mDir;
   }

   const Point<DATA_TYPE, 3>& getOrigin() const
   {
      return mOrigin;
   }

   void setOrigin( const Point<DATA_TYPE, 3>& origin )
   {
      mOrigin = origin;
   }

   const Vec<DATA_TYPE, 3>& getDir() const
   {
      return mDir;
   }

   void setDir( const Vec<DATA_TYPE, 3>& dir )
   {
      mDir = dir;
   }

public:
   Point<DATA_TYPE, 3> mOrigin;

   Vec<DATA_TYPE, 3> mDir;
};


// --- helper types --- //
typedef Ray<float>  Rayf;
typedef Ray<double> Rayd;
}

#endif

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