#include "h/randomDirection.h"/* *Angles... * *	       4.71 *		| *		| *		| *  3.14 ---------------- 0 *		| *		| *		| *             1.57 * */Define_Module_Like(RandomDirection,Mobility);bool RandomDirection::checkBounds(int x, int y){	if( (x <= minX) || (x >= maxX) )		return true;	if( (y <= minY) || (y >= maxY) )		return	true;	return false;}double RandomDirection::randomDirection(int& x, int& y){	bool pause = false;	//if the node has reached its destination,define anotherone	//and rest for pauseTime	//define new <x,y>	x = (x + dX);	y = (y + dY);	if(checkBounds(x,y))	{		double alfa;		double speed;		double step;		d("Bound reached, change direction");		//choose the direction angle;		if(y <= minY)		{			y = minY;			alfa = genk_uniform(1,0,3.14);		}		if(y >= maxY)		{			y = maxY;			alfa = genk_uniform(1,3.14,6.28);		}		if(x <= minX)		{			//go back to the bound			x = minX;			//is it at the alngle "7"?			if(y <= minY)				alfa = genk_uniform(1,0,1.57);			else			//is it at the angle "1"?			if(y >= maxY)				alfa = genk_uniform(1,4.71,6.28);			else			//it is only the "4" border				alfa =  genk_uniform(1,0,1.57) + genk_uniform(1,4.71,6.28) ;		}		if(x >= maxX)		{			x = maxX;			//is it at the "9" angle?			if(y <= minY)				alfa = genk_uniform(1,1.57,3.14);			else			//is it at the "3" andgle?			if(y >= maxY)				alfa = genk_uniform(1,3.14,4.71);			else			//it is the "6" bound				alfa = genk_uniform(1,1.57,4.71);		}                speed =  genk_uniform(3, minSpeed->doubleValue(), maxSpeed->doubleValue());                step = moveInterval->doubleValue() * speed;                dX = (int)(step * cos(alfa));                dY = (int)(step * sin(alfa));                stepsNum ++;                partial +=  speed;		pause = true;		d("al:"<<alfa<<" sin:"<<sin(alfa)<<" cos:"<<cos(alfa));	}	if(pause)	    return (double)pauseTime->doubleValue();	else	    return (double)moveInterval->doubleValue();}void RandomDirection::initialize(){	d("Random Direction Model");	cGate *g = gate("out");	//pointer to the physic module that	//store tje actual position	physic =(Physic*) g->toGate()->ownerModule();	minX = 1;	maxX = (int)par("XRange") - 1;	minY = 1;	maxY = (int)par("YRange") - 1;	moveInterval = &par("moveInterval");	pauseTime = &par("pauseTime");	minSpeed = &par("minSpeed");	maxSpeed = &par("maxSpeed");	//initialize the first move	double alfa = genk_uniform(1,0,6.27);	double speed =  genk_uniform(3, minSpeed->doubleValue(), maxSpeed->doubleValue());        double step = moveInterval->doubleValue() * speed;        dX = (int)(step * cos(alfa));        dY = (int)(step * sin(alfa));        stepsNum ++;        partial +=  speed;	cMessage *moveMsg = new cMessage("Move");	//start miving	scheduleAt(simTime()+0.01, moveMsg);	//statistical variables	stepsNum = 0;	partial = 0;}void RandomDirection::handleMessage(cMessage *msg){	int x,y;	d("random Direction");	//get the current position from the physic module	physic->getPos(x, y);	//calcolate the new position	double time =  randomDirection(x,y);	cMessage *moveMsg = new cMessage("Move",MOVE);	moveMsg->addPar("x") = x;	moveMsg->addPar("y") = y;	//inform to the physic module about	//the new position so it can be displayed	send(moveMsg,"out");	//tell to the physic module to move	scheduleAt(simTime()+time, msg);}void RandomDirection::finish(){	d("Drection random says bye");	FILE* fout = fopen("collectedData.dat","a");	fprintf(fout,"\nSpeed average............... %.2f\n",partial/stepsNum);	fclose(fout);}