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mobility-model.cc
1 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
2 /*
3  * Copyright (c) 2006,2007 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 
21 #include <cmath>
22 
23 #include "mobility-model.h"
24 #include "ns3/trace-source-accessor.h"
25 
26 namespace ns3 {
27 
28 NS_OBJECT_ENSURE_REGISTERED (MobilityModel);
29 
30 TypeId
31 MobilityModel::GetTypeId (void)
32 {
33  static TypeId tid = TypeId ("ns3::MobilityModel")
34  .SetParent<Object> ()
35  .AddAttribute ("Position", "The current position of the mobility model.",
37  VectorValue (Vector (0.0, 0.0, 0.0)),
38  MakeVectorAccessor (&MobilityModel::SetPosition,
40  MakeVectorChecker ())
41  .AddAttribute ("Velocity", "The current velocity of the mobility model.",
43  VectorValue (Vector (0.0, 0.0, 0.0)), // ignored initial value.
44  MakeVectorAccessor (&MobilityModel::GetVelocity),
45  MakeVectorChecker ())
46  .AddTraceSource ("CourseChange",
47  "The value of the position and/or velocity vector changed",
49  ;
50  return tid;
51 }
52 
53 MobilityModel::MobilityModel ()
54 {
55 }
56 
57 MobilityModel::~MobilityModel ()
58 {
59 }
60 
61 Vector
63 {
64  return DoGetPosition ();
65 }
66 Vector
68 {
69  return DoGetVelocity ();
70 }
71 
72 void
74 {
75  DoSetPosition (position);
76 }
77 
78 double
80 {
81  Vector oPosition = other->DoGetPosition ();
82  Vector position = DoGetPosition ();
83  return CalculateDistance (position, oPosition);
84 }
85 
86 double
88 {
89  double x = GetVelocity().x - other->GetVelocity().x;
90  double y = GetVelocity().y - other->GetVelocity().y;
91  double z = GetVelocity().z - other->GetVelocity().z;
92  return sqrt( (x*x) + (y*y) + (z*z) );
93 }
94 
95 void
97 {
98  m_courseChangeTrace (this);
99 }
100 
101 int64_t
103 {
104  return DoAssignStreams (start);
105 }
106 
107 // Default implementation does nothing
108 int64_t
110 {
111  return 0;
112 }
113 
114 
115 } // namespace ns3
int64_t AssignStreams(int64_t stream)
double x
Definition: vector.h:49
TracedCallback< Ptr< const MobilityModel > > m_courseChangeTrace
smart pointer class similar to boost::intrusive_ptr
Definition: ptr.h:59
double GetDistanceFrom(Ptr< const MobilityModel > position) const
virtual Vector DoGetPosition(void) const =0
Vector GetPosition(void) const
a 3d vector
Definition: vector.h:31
Vector GetVelocity(void) const
double CalculateDistance(const Vector3D &a, const Vector3D &b)
Definition: vector.cc:71
void NotifyCourseChange(void) const
Ptr< const TraceSourceAccessor > MakeTraceSourceAccessor(T a)
double y
Definition: vector.h:53
void SetPosition(const Vector &position)
virtual void DoSetPosition(const Vector &position)=0
virtual Vector DoGetVelocity(void) const =0
virtual int64_t DoAssignStreams(int64_t start)
double GetRelativeSpeed(Ptr< const MobilityModel > other) const
double z
Definition: vector.h:57