/usr/include/ns3.27/ns3/random-direction-2d-mobility-model.h is in libns3-dev 3.27+dfsg-1.
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/*
* 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: Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
*/
#ifndef RANDOM_DIRECTION_MOBILITY_MODEL_H
#define RANDOM_DIRECTION_MOBILITY_MODEL_H
#include "ns3/object.h"
#include "ns3/ptr.h"
#include "ns3/nstime.h"
#include "ns3/event-id.h"
#include "ns3/rectangle.h"
#include "ns3/random-variable-stream.h"
#include "mobility-model.h"
#include "constant-velocity-helper.h"
namespace ns3 {
/**
* \ingroup mobility
* \brief Random direction mobility model.
*
* The movement of objects is based on random directions: each object
* pauses for a specific delay, chooses a random direction and speed and
* then travels in the specific direction until it reaches one of
* the boundaries of the model. When it reaches the boundary, it pauses,
* selects a new direction and speed, aso.
*/
class RandomDirection2dMobilityModel : public MobilityModel
{
public:
/**
* Register this type with the TypeId system.
* \return the object TypeId
*/
static TypeId GetTypeId (void);
RandomDirection2dMobilityModel ();
private:
/**
* Set a new direction and speed
*/
void ResetDirectionAndSpeed (void);
/**
* Pause, cancel currently scheduled event, schedule end of pause event
*/
void BeginPause (void);
/**
* Set new velocity and direction, and schedule next pause event
* \param direction (radians)
*/
void SetDirectionAndSpeed (double direction);
/**
* Sets a new random direction and calls SetDirectionAndSpeed
*/
void DoInitializePrivate (void);
virtual void DoDispose (void);
virtual void DoInitialize (void);
virtual Vector DoGetPosition (void) const;
virtual void DoSetPosition (const Vector &position);
virtual Vector DoGetVelocity (void) const;
virtual int64_t DoAssignStreams (int64_t);
Ptr<UniformRandomVariable> m_direction; //!< rv to control direction
Rectangle m_bounds; //!< the 2D bounding area
Ptr<RandomVariableStream> m_speed; //!< a random variable to control speed
Ptr<RandomVariableStream> m_pause; //!< a random variable to control pause
EventId m_event; //!< event ID of next scheduled event
ConstantVelocityHelper m_helper; //!< helper for velocity computations
};
} // namespace ns3
#endif /* RANDOM_DIRECTION_MOBILITY_MODEL_H */
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