22 #include "ns3/double.h" 23 #include "ns3/string.h" 24 #include "ns3/pointer.h" 25 #include "ns3/simulator.h" 38 static TypeId tid =
TypeId (
"ns3::RandomWalk2dMobilityModel")
40 .SetGroupName (
"Mobility")
42 .AddAttribute (
"Bounds",
43 "Bounds of the area to cruise.",
47 .AddAttribute (
"Time",
48 "Change current direction and speed after moving for this delay.",
52 .AddAttribute (
"Distance",
53 "Change current direction and speed after moving for this distance.",
56 MakeDoubleChecker<double> ())
57 .AddAttribute (
"Mode",
58 "The mode indicates the condition used to " 59 "change the current speed and direction",
64 .AddAttribute (
"Direction",
65 "A random variable used to pick the direction (radians).",
66 StringValue (
"ns3::UniformRandomVariable[Min=0.0|Max=6.283184]"),
68 MakePointerChecker<RandomVariableStream> ())
69 .AddAttribute (
"Speed",
70 "A random variable used to pick the speed (m/s).",
71 StringValue (
"ns3::UniformRandomVariable[Min=2.0|Max=4.0]"),
73 MakePointerChecker<RandomVariableStream> ());
90 Vector vector (std::cos (direction) * speed,
91 std::sin (direction) * speed,
113 Vector nextPosition = position;
114 nextPosition.x += speed.x * delayLeft.
GetSeconds ();
115 nextPosition.y += speed.y * delayLeft.
GetSeconds ();
124 Time delay =
Seconds ((nextPosition.x - position.x) / speed.x);
static EventId Schedule(Time const &delay, FUNC f, Ts &&... args)
Schedule an event to expire after delay.
virtual void DoInitialize(void)
Initialize() implementation.
double m_modeDistance
Change direction and speed after this distance.
Simulation virtual time values and global simulation resolution.
void SetStream(int64_t stream)
Specifies the stream number for the RngStream.
bool IsInside(const Vector &position) const
#define NS_OBJECT_ENSURE_REGISTERED(type)
Register an Object subclass with the TypeId system.
Hold variables of type string.
Vector GetCurrentPosition(void) const
Get current position vector.
double GetSeconds(void) const
Get an approximation of the time stored in this instance in the indicated unit.
#define NS_ASSERT(condition)
At runtime, in debugging builds, if this condition is not true, the program prints the source file...
#define NS_LOG_COMPONENT_DEFINE(name)
Define a Log component with a specific name.
virtual void DoDispose(void)
Destructor implementation.
virtual double GetValue(void)=0
Get the next random value as a double drawn from the distribution.
EventId m_event
stored event ID
Ptr< const AttributeChecker > MakeRectangleChecker(void)
AttributeValue implementation for Rectangle.
Keep track of the current position and velocity of an object.
2D random walk mobility model.
ConstantVelocityHelper m_helper
helper for this object
Ptr< const AttributeAccessor > MakePointerAccessor(T1 a1)
Create an AttributeAccessor for a class data member, or a lone class get functor or set method...
Hold variables of type enum.
virtual void DoSetPosition(const Vector &position)
void Update(void) const
Update position, if not paused, from last position and time of last update.
static EventId ScheduleNow(FUNC f, Ts &&... args)
Schedule an event to expire Now.
Vector CalculateIntersection(const Vector ¤t, const Vector &speed) const
AttributeValue implementation for Time.
Ptr< const AttributeAccessor > MakeEnumAccessor(T1 a1)
Create an AttributeAccessor for a class data member, or a lone class get functor or set method...
void Rebound(Time timeLeft)
Performs the rebound of the node if it reaches a boundary.
Time m_modeTime
Change current direction and speed after this delay.
virtual Vector DoGetVelocity(void) const
static TypeId GetTypeId(void)
Register this type with the TypeId system.
virtual void DoDispose(void)
Destructor implementation.
Every class exported by the ns3 library is enclosed in the ns3 namespace.
Ptr< RandomVariableStream > m_speed
rv for picking speed
void UpdateWithBounds(const Rectangle &rectangle) const
Update position, if not paused, from last position and time of last update.
Side GetClosestSide(const Vector &position) const
void SetVelocity(const Vector &vel)
Set new velocity vector.
enum Mode m_mode
whether in time or distance mode
Ptr< const AttributeAccessor > MakeTimeAccessor(T1 a1)
Create an AttributeAccessor for a class data member, or a lone class get functor or set method...
void DoWalk(Time timeLeft)
Walk according to position and velocity, until distance is reached, time is reached, or intersection with the bounding box.
void NotifyCourseChange(void) const
Must be invoked by subclasses when the course of the position changes to notify course change listene...
Ptr< const AttributeAccessor > MakeDoubleAccessor(T1 a1)
Create an AttributeAccessor for a class data member, or a lone class get functor or set method...
virtual Vector DoGetPosition(void) const
virtual void DoInitialize(void)
Initialize() implementation.
Ptr< RandomVariableStream > m_direction
rv for picking direction
void DoInitializePrivate(void)
Perform initialization of the object before MobilityModel::DoInitialize ()
Time Seconds(double value)
Construct a Time in the indicated unit.
Vector GetVelocity(void) const
Get velocity; if paused, will return a zero vector.
Ptr< const AttributeChecker > MakeEnumChecker(int v, std::string n, Ts... args)
Make an EnumChecker pre-configured with a set of allowed values by name.
void Cancel(void)
This method is syntactic sugar for the ns3::Simulator::Cancel method.
void Unpause(void)
Resume mobility from current position at current velocity.
Ptr< const AttributeChecker > MakeTimeChecker(const Time min, const Time max)
Helper to make a Time checker with bounded range.
Rectangle m_bounds
Bounds of the area to cruise.
void SetPosition(const Vector &position)
Set position vector.
This class can be used to hold variables of floating point type such as 'double' or 'float'...
Ptr< const AttributeAccessor > MakeRectangleAccessor(T1 a1)
Create an AttributeAccessor for a class data member, or a lone class get functor or set method...
a unique identifier for an interface.
TypeId SetParent(TypeId tid)
Set the parent TypeId.
virtual int64_t DoAssignStreams(int64_t)
The default implementation does nothing but return the passed-in parameter.