A Discrete-Event Network Simulator
API
constant-acceleration-mobility-model.cc
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1 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
2 /*
3  * This program is free software; you can redistribute it and/or modify
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15  *
16  * Author: Gustavo Carneiro <gjc@inescporto.pt>
17  */
19 #include "ns3/simulator.h"
20 
21 namespace ns3 {
22 
23 NS_OBJECT_ENSURE_REGISTERED (ConstantAccelerationMobilityModel);
24 
26 {
27  static TypeId tid = TypeId ("ns3::ConstantAccelerationMobilityModel")
29  .SetGroupName ("Mobility")
30  .AddConstructor<ConstantAccelerationMobilityModel> ();
31  return tid;
32 }
33 
35 {
36 }
37 
39 {
40 }
41 
42 inline Vector
44 {
45  double t = (Simulator::Now () - m_baseTime).GetSeconds ();
46  return Vector (m_baseVelocity.x + m_acceleration.x*t,
49 }
50 
51 inline Vector
53 {
54  double t = (Simulator::Now () - m_baseTime).GetSeconds ();
55  double half_t_square = t*t*0.5;
56  return Vector (m_basePosition.x + m_baseVelocity.x*t + m_acceleration.x*half_t_square,
57  m_basePosition.y + m_baseVelocity.y*t + m_acceleration.y*half_t_square,
58  m_basePosition.z + m_baseVelocity.z*t + m_acceleration.z*half_t_square);
59 }
60 
61 void
63 {
66  m_basePosition = position;
68 }
69 
70 void
72  const Vector &acceleration)
73 {
76  m_baseVelocity = velocity;
77  m_acceleration = acceleration;
79 }
80 
81 
82 } // namespace ns3
static TypeId GetTypeId(void)
Register this type with the TypeId system.
#define NS_OBJECT_ENSURE_REGISTERED(type)
Register an Object subclass with the TypeId system.
Definition: object-base.h:45
Mobility model for which the current acceleration does not change once it has been set and until it i...
Keep track of the current position and velocity of an object.
ConstantAccelerationMobilityModel()
Create position located at coordinates (0,0,0) with speed (0,0,0).
Every class exported by the ns3 library is enclosed in the ns3 namespace.
static Time Now(void)
Return the current simulation virtual time.
Definition: simulator.cc:249
void NotifyCourseChange(void) const
Must be invoked by subclasses when the course of the position changes to notify course change listene...
void SetVelocityAndAcceleration(const Vector &velocity, const Vector &acceleration)
Set the model&#39;s velocity and acceleration.
a unique identifier for an interface.
Definition: type-id.h:58
TypeId SetParent(TypeId tid)
Set the parent TypeId.
Definition: type-id.cc:915