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random-direction-2d-mobility-model.h
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1 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
2 /*
3  * Copyright (c) 2007 INRIA
4  *
5  * This program is free software; you can redistribute it and/or modify
6  * it under the terms of the GNU General Public License version 2 as
7  * published by the Free Software Foundation;
8  *
9  * This program is distributed in the hope that it will be useful,
10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12  * GNU General Public License for more details.
13  *
14  * You should have received a copy of the GNU General Public License
15  * along with this program; if not, write to the Free Software
16  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
17  *
18  * Author: Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
19  */
20 #ifndef RANDOM_DIRECTION_MOBILITY_MODEL_H
21 #define RANDOM_DIRECTION_MOBILITY_MODEL_H
22 
23 #include "ns3/object.h"
24 #include "ns3/ptr.h"
25 #include "ns3/nstime.h"
26 #include "ns3/event-id.h"
27 #include "ns3/rectangle.h"
28 #include "ns3/random-variable-stream.h"
29 #include "mobility-model.h"
30 #include "constant-velocity-helper.h"
31 
32 namespace ns3 {
33 
44 class RandomDirection2dMobilityModel : public MobilityModel
45 {
46 public:
47  static TypeId GetTypeId (void);
48  RandomDirection2dMobilityModel ();
49 
50 private:
51  void ResetDirectionAndSpeed (void);
52  void BeginPause (void);
53  void SetDirectionAndSpeed (double direction);
54  void InitializeDirectionAndSpeed (void);
55  void DoInitializePrivate (void);
56  virtual void DoDispose (void);
57  virtual void DoInitialize (void);
58  virtual Vector DoGetPosition (void) const;
59  virtual void DoSetPosition (const Vector &position);
60  virtual Vector DoGetVelocity (void) const;
61  virtual int64_t DoAssignStreams (int64_t);
62 
63  static const double PI;
64  Ptr<UniformRandomVariable> m_direction;
65  Rectangle m_bounds;
66  Ptr<RandomVariableStream> m_speed;
67  Ptr<RandomVariableStream> m_pause;
68  EventId m_event;
69  ConstantVelocityHelper m_helper;
70 };
71 
72 } // namespace ns3
73 
74 #endif /* RANDOM_DIRECTION_MOBILITY_MODEL_H */