#include <MassMobility.h>
Inheritance diagram for MassMobility:
Protected Member Functions | |
virtual void | initialize (int) |
Initializes mobility model parameters. | |
virtual void | handleSelfMsg (cMessage *msg) |
Called upon arrival of a self messages. | |
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 |
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.
00068 { 00069 switch (msg->kind()) 00070 { 00071 case MK_UPDATE_POS: 00072 move(); 00073 updatePosition(); 00074 scheduleAt(simTime() + updateInterval, msg); 00075 break; 00076 case MK_CHANGE_DIR: 00077 currentAngle += changeAngleBy->doubleValue(); 00078 currentSpeed = speed->doubleValue(); 00079 step.x = currentSpeed * cos(PI * currentAngle / 180) * updateInterval; 00080 step.y = currentSpeed * sin(PI * currentAngle / 180) * updateInterval; 00081 scheduleAt(simTime() + changeInterval->doubleValue(), msg); 00082 break; 00083 default: 00084 opp_error("Unknown self message kind in MassMobility class"); 00085 break; 00086 } 00087 00088 }
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.
00039 { 00040 BasicMobility::initialize(stage); 00041 00042 EV << "initializing MassMobility stage " << stage << endl; 00043 00044 if (stage == 0) 00045 { 00046 updateInterval = par("updateInterval"); 00047 00048 changeInterval = &par("changeInterval"); 00049 changeAngleBy = &par("changeAngleBy"); 00050 speed = &par("speed"); 00051 00052 // initial speed and angle 00053 currentSpeed = speed->doubleValue(); 00054 currentAngle = uniform(0, 360); 00055 step.x = currentSpeed * cos(PI * currentAngle / 180) * updateInterval; 00056 step.y = currentSpeed * sin(PI * currentAngle / 180) * updateInterval; 00057 00058 scheduleAt(simTime() + uniform(0, updateInterval), new cMessage("move", MK_UPDATE_POS)); 00059 scheduleAt(simTime() + uniform(0, changeInterval->doubleValue()), new cMessage("turn", MK_CHANGE_DIR)); 00060 } 00061 }
void MassMobility::move | ( | ) | [protected] |
Move the host.
Move the host if the destination is not reached yet. Otherwise calculate a new random position
00095 { 00096 pos += step; 00097 00098 // do something if we reach the wall 00099 Coord dummy; 00100 handleIfOutside(REFLECT, dummy, step, currentAngle); 00101 00102 EV << " xpos= " << pos.x << " ypos=" << pos.y << " speed=" << currentSpeed << endl; 00103 }
cPar* MassMobility::changeAngleBy [protected] |
cPar* MassMobility::changeInterval [protected] |
double MassMobility::currentAngle [protected] |
angle of linear motion
double MassMobility::currentSpeed [protected] |
speed of the host
cPar* MassMobility::speed [protected] |
Coord MassMobility::step [protected] |
calculated from speed, angle and updateInterval
double MassMobility::updateInterval [protected] |
time interval to update the hosts position