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/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
/*
* Copyright (c) 2007 INRIA
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation;
*
* This program 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* Author: Lucas Wang <lucas@cs.ucla.edu>
*/
#ifndef HIGHWAY_POSITION_ALLOCATOR_H
#define HIGHWAY_POSITION_ALLOCATOR_H
#include "ns3/position-allocator.h"
namespace ns3 {
/**
* This position allocator is used to generate positions for cars
* on a highway.
*/
class HighwayPositionAllocator : public PositionAllocator
{
public:
static TypeId GetTypeId (void);
HighwayPositionAllocator ();
virtual Vector GetNext (void) const;
void SetStartPosition(Vector start);
Vector GetStartPosition(void) const;
void SetDirection(double direction); // the angle in terms of radian degrees
double GetDirection(void) const ;
void SetLength(double length);
double GetLength(void) const ;
private:
mutable Vector m_previous_position; // previously generated vehicle position
Vector m_start; // highway starting point
double m_direction; //highway direction
double m_length; // highway length
};
}
#endif