contaild.h

C++源代码集

class Rescue
{
public:
	Rescue(double fMin,double fMax,
		double fCriticalDistance);
	~Rescue();
	void initRescue();
	Logical searchMore();
	void getCoords();
	double getDistance()
	{return m_pDistance->getDistance();}

protected:
	double m_fMin;
	double m_fMax;
	double m_fShift;
	double m_fCriticalDistance;
	Distance *m_pDistance;
	Random *m_pRandom;

	double calcRandCoord()
	{return m_pRandom->getRandom()*m_fMax+m_fMin;}
	double calcRandShift()
	{return(0.5-m_pRandom->getRandom())*m_fShift;}
	double checkCoord(double fX)
	{return (fX>=m_fMin&&fX<=m_fMax)?
        fX:m_fMin+m_fMax/2.;}
};

Rescue::Rescue(double fMin,double fMax,
			   double fCriticalDistance)
{
    m_fMin=fMin;
	m_fMax=fMax;
	m_fShift=(fMax-fMin+1)/10.;
	m_fCriticalDistance=fCriticalDistance;
	m_pDistance= new Distance(0,0,0,0);
	m_pRandom= new Random;
	initRescue();
}

Rescue::~Rescue()
{
    delete m_pDistance;
	delete m_pRandom;
}

void Rescue::initRescue()
{
    double fX=calcRandCoord();
	double fY=calcRandCoord();

	m_pDistance->setPoint1((m_fMin+m_fMax)/2,
		(m_fMin+m_fMax)/2);
	m_pDistance->setPoint2(fX,fY);
}

Logical Rescue::searchMore()
{
    if(fabs(m_pDistance->getDeltaX())<1.0||
		fabs(m_pDistance->getDeltaY())<1.0||
		m_pDistance->getDistance()<m_fCriticalDistance)
		return FALSE;
	else
		return TRUE;
}

void Rescue::getCoords()
{
    int fX,fY;
	cout << " Current distance = "
		<< m_pDistance->getDistance() << " \n"
		<< " Current angle = "
		<< m_pDistance->getAngle() << " degrees\n ";
        cout << "Enter movement in X direction : ";
        cin >> fX;
        m_pDistance->setDeltaX(fX);
		if(m_pDistance->getDeltaX() > m_fShift)
			m_pDistance->setDeltaX(m_fShift);
		cout << " Enter movement in Y direction : ";
		cin >> fY;
		m_pDistance->setDeltaX(fY);
		if(m_pDistance->getDeltaY() > m_fShift)
			m_pDistance->setDeltaY(m_fShift);
		m_pDistance->setPoint1(
			checkCoord(m_pDistance->getX1()+
			m_pDistance->getDeltaX()),
			checkCoord(m_pDistance->getY1()+
			m_pDistance->getDeltaX())
			);
}