INET Framework for OMNeT++/OMNEST
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Models the mobility of with mass, making random motions. See NED file for more info. More...
#include <MassMobility.h>
Protected Member Functions | |
virtual void | initialize (int) |
Initializes mobility model parameters. | |
virtual void | handleSelfMsg (cMessage *msg) |
Called upon arrival of a self messages. | |
virtual void | move () |
Move the host. | |
Protected Attributes | |
cPar * | changeInterval |
cPar * | changeAngleBy |
cPar * | speed |
double | currentSpeed |
speed of the host | |
double | currentAngle |
angle of linear motion | |
double | updateInterval |
time interval to update the hosts position | |
Coord | step |
calculated from speed, angle and updateInterval |
Models the mobility of with mass, making random motions. See NED file for more info.
void MassMobility::handleSelfMsg | ( | cMessage * | msg | ) | [protected, virtual] |
Called upon arrival of a self messages.
The only self message possible is to indicate a new movement.
Implements BasicMobility.
{ switch (msg->getKind()) { case MK_UPDATE_POS: move(); updatePosition(); scheduleAt(simTime() + updateInterval, msg); break; case MK_CHANGE_DIR: currentAngle += changeAngleBy->doubleValue(); currentSpeed = speed->doubleValue(); step.x = currentSpeed * cos(PI * currentAngle / 180) * updateInterval; step.y = currentSpeed * sin(PI * currentAngle / 180) * updateInterval; scheduleAt(simTime() + changeInterval->doubleValue(), msg); break; default: opp_error("Unknown self message kind in MassMobility class"); break; } }
void MassMobility::initialize | ( | int | stage | ) | [protected, virtual] |
Initializes mobility model parameters.
Reads the updateInterval and the velocity
If the host is not stationary it calculates a random position and schedules a timer to trigger the first movement
Reimplemented from BasicMobility.
{ BasicMobility::initialize(stage); EV << "initializing MassMobility stage " << stage << endl; if (stage == 0) { updateInterval = par("updateInterval"); changeInterval = &par("changeInterval"); changeAngleBy = &par("changeAngleBy"); speed = &par("speed"); // initial speed and angle currentSpeed = speed->doubleValue(); currentAngle = uniform(0, 360); step.x = currentSpeed * cos(PI * currentAngle / 180) * updateInterval; step.y = currentSpeed * sin(PI * currentAngle / 180) * updateInterval; scheduleAt(simTime() + uniform(0, updateInterval), new cMessage("move", MK_UPDATE_POS)); scheduleAt(simTime() + uniform(0, changeInterval->doubleValue()), new cMessage("turn", MK_CHANGE_DIR)); } }
void MassMobility::move | ( | ) | [protected, virtual] |
Move the host.
Move the host if the destination is not reached yet. Otherwise calculate a new random position
Referenced by handleSelfMsg().
{ pos += step; // do something if we reach the wall Coord dummy; handleIfOutside(REFLECT, dummy, step, currentAngle); EV << " xpos= " << pos.x << " ypos=" << pos.y << " speed=" << currentSpeed << endl; }
cPar* MassMobility::changeAngleBy [protected] |
Referenced by handleSelfMsg(), and initialize().
cPar* MassMobility::changeInterval [protected] |
Referenced by handleSelfMsg(), and initialize().
double MassMobility::currentAngle [protected] |
angle of linear motion
Referenced by handleSelfMsg(), initialize(), and move().
double MassMobility::currentSpeed [protected] |
speed of the host
Referenced by handleSelfMsg(), initialize(), and move().
cPar* MassMobility::speed [protected] |
Referenced by handleSelfMsg(), and initialize().
Coord MassMobility::step [protected] |
calculated from speed, angle and updateInterval
Referenced by handleSelfMsg(), initialize(), and move().
double MassMobility::updateInterval [protected] |
time interval to update the hosts position
Referenced by handleSelfMsg(), and initialize().