Rayr.h

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/*************************************************************************
 *                                                                       *
 * Open Physics Abstraction Layer                                        *
 * Copyright (C) 2004-2005                                               *
 * Alan Fischer  alan.fischer@gmail.com                                  *
 * Andres Reinot  andres@reinot.com                                      *
 * Tyler Streeter  tylerstreeter@gmail.com                               *
 * All rights reserved.                                                  *
 * Web: opal.sourceforge.net                                             *
 *                                                                       *
 * This library is free software; you can redistribute it and/or         *
 * modify it under the terms of EITHER:                                  *
 *   (1) 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. The text of the GNU Lesser      *
 *       General Public License is included with this library in the     *
 *       file license-LGPL.txt.                                          *
 *   (2) The BSD-style license that is included with this library in     *
 *       the file license-BSD.txt.                                       *
 *                                                                       *
 * 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 files    *
 * license-LGPL.txt and license-BSD.txt for more details.                *
 *                                                                       *
 *************************************************************************/

#ifndef OPAL_RAYR_H
#define OPAL_RAYR_H

#include "OpalMath.h"

namespace opal
{
        class Rayr;

        inline std::ostream& operator<<(std::ostream& o, const Rayr& r);

        class Rayr
        {
        private:
                Vec3r mDir;
                Point3r mOrigin;

        public:
                Rayr()
                {
                        mDir.set(0,0,1);
                        mOrigin.set(0,0,0);
                }

                Rayr(const opal::Point3r & origin, const opal::Vec3r & dir)
                {
                        mDir = dir;
                        mOrigin = origin;
                }

                //Rayr(const opal::Vec3r & dir, const opal::Point3r & origin)
                //{
                //      mDir = dir;
                //      mOrigin = origin;
                //}

                void set(const opal::Point3r & origin, const opal::Vec3r & dir)
                {
                        mDir = dir;
                        mOrigin = origin;
                }

                //void set(const opal::Vec3r & dir, const opal::Point3r & origin)
                //{
                //      mDir = dir;
                //      mOrigin = origin;
                //}

                Vec3r getDir()const
                {
                        return mDir;
                }

                Point3r getOrigin()const
                {
                        return mOrigin;
                }

                real getLength()const
                {
                        return mDir.length();
                }

                void setOrigin( const Point3r & p )
                {
                        mOrigin = p;
                }

                void setDir( const Vec3r & d )
                {
                        mDir = d;
                }

                Rayr(const Rayr & src)
                {
                        mDir = src.mDir;
                        mOrigin = src.mOrigin;
                }
        };

        inline std::ostream& operator<<(std::ostream& o, const Rayr& r)
        {
                Point3r origin = r.getOrigin();
                Vec3r dir = r.getDir();
                return o << "Origin: [" << origin[0] << " " << origin[1] << " " 
                        << origin[2] << "] Direction: [" << dir[0] << " " << dir[1] 
                        << " " << dir[2] << "]";
        }
}

#endif

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