#include <Vector2D.h>

Public Member Functions
	Vector2D ()
	Vector2D (double x, double y)
void	normalize ()
double	distanceSqr (const Vector2D v) const
double	xyMaxDistance (const Vector2D v) const
double	cosAngle (const Vector2D &v) const
int	getQuadrant (const Vector2D &v) const
	Determine the Quarant a point is contained in.
Vector2D &	operator= (const Vector2D &v)
Vector2D &	operator+= (const Vector2D &v)
Vector2D &	operator-= (const Vector2D &v)
Vector2D &	operator*= (const double s)
Vector2D &	operator/= (const double s)
Vector2D	operator+ (const Vector2D &v) const
Vector2D	operator- (const Vector2D &v) const
Vector2D	operator* (const double s) const
Vector2D	operator/ (const double s) const
bool	operator== (const Vector2D &v) const
bool	operator!= (const Vector2D &v) const
void	netPack (cCommBuffer *b)
void	netUnpack (cCommBuffer *b)

Public Attributes
double	x
double	y

Friends
bool	operator< (const Vector2D &a, const Vector2D &b)
std::ostream &	operator<< (std::ostream &Stream, const Vector2D &v)

Detailed Description

Definition at line 31 of file Vector2D.h.

Constructor & Destructor Documentation

Vector2D::Vector2D ( )

Definition at line 27 of file Vector2D.cc.

{
    x = 0.0;
    y = 0.0;
}

Vector2D::Vector2D	(	double	x,
		double	y
	)

Definition at line 33 of file Vector2D.cc.

{
    this->x = x;
    this->y = y;
}

Member Function Documentation

double Vector2D::cosAngle ( const Vector2D & v ) const

Definition at line 62 of file Vector2D.cc.

Referenced by MovementGenerator::flock().

{
    return (x * v.x + y * v.y) / (sqrt(x * x + y * y) * sqrt(v.x * v.x + v.y * v.y));
}

double Vector2D::distanceSqr ( const Vector2D v ) const

Definition at line 49 of file Vector2D.cc.

Referenced by Quon::classifySites(), QuonAOI::collide(), MovementGenerator::flock(), hotspotRoaming::getDistanceFromHotspot(), LoginCache::getLoginNode(), Quon::handleJoinRequest(), Vast::handleJoinRequest(), ConnectivityProbeApp::handleMessage(), ConnectivityProbe::handleMessage(), SimpleGameClient::handleTimerEvent(), groupRoaming::move(), traverseRoaming::move(), randomRoaming::move(), and hotspotRoaming::move().

{
    double dx, dy;
    dx = x - v.x;
    dy = y - v.y;
    return dx * dx + dy * dy;
}

int Vector2D::getQuadrant ( const Vector2D & v ) const

Determine the Quarant a point is contained in.

    Return the quadrant of this point that containes point v.
    Upper right quadrant is 0, lower right is 1, lower left is 2 and upper left is 3

Parameters

v	the target point

Returns: the quadrant v is in in

Definition at line 78 of file Vector2D.cc.

Referenced by Quon::classifySites(), and NTreeNode::getChildForPos().

{
    int quad = 0;
    // v.y <= this.y -> quadrant 1 or 2
    if( v.y <= y ) quad = 1;
    // v.x <= this.x -> quadrant 2 or 3
    if( v.x <= x ) quad ^= 3;
    return quad;
}

void Vector2D::netPack ( cCommBuffer * b )

Definition at line 184 of file Vector2D.cc.

Referenced by doPacking().

{
    //cMessage::netPack(b);
    doPacking(b, this->x);
    doPacking(b, this->y);
}

void Vector2D::netUnpack ( cCommBuffer * b )

Definition at line 191 of file Vector2D.cc.

Referenced by doUnpacking().

{
    //cMessage::netUnpack(b);
    doUnpacking(b, this->x);
    doUnpacking(b, this->y);
}

void Vector2D::normalize ( )

Definition at line 39 of file Vector2D.cc.

Referenced by MovementGenerator::flock(), MovementGenerator::MovementGenerator(), traverseRoaming::traverseRoaming(), and SimpleGameClient::updateNeighbors().

{
    double temp;
    temp = sqrt(x * x + y * y);
    if(temp != 0.0) {
        x /= temp;
        y /= temp;
    }
}

bool Vector2D::operator!= ( const Vector2D & v ) const

Definition at line 163 of file Vector2D.cc.

{
    if(x != v.x || y != v.y)
        return true;
    else
        return false;
}

Vector2D Vector2D::operator* ( const double s ) const

Definition at line 139 of file Vector2D.cc.

{
    Vector2D temp;
    temp.x = x * s;
    temp.y = y * s;
    return temp;
}

Vector2D & Vector2D::operator*= ( const double s )

Definition at line 109 of file Vector2D.cc.

{
    x *= s;
    y *= s;
    return *this;
}

Vector2D Vector2D::operator+ ( const Vector2D & v ) const

Definition at line 123 of file Vector2D.cc.

{
    Vector2D temp;
    temp.x = x + v.x;
    temp.y = y + v.y;
    return temp;
}

Vector2D & Vector2D::operator+= ( const Vector2D & v )

Definition at line 95 of file Vector2D.cc.

{
    x += v.x;
    y += v.y;
    return *this;
}

Vector2D Vector2D::operator- ( const Vector2D & v ) const

Definition at line 131 of file Vector2D.cc.

{
    Vector2D temp;
    temp.x = x - v.x;
    temp.y = y - v.y;
    return temp;
}

Vector2D & Vector2D::operator-= ( const Vector2D & v )

Definition at line 102 of file Vector2D.cc.

{
    x -= v.x;
    y -= v.y;
    return *this;
}

Vector2D Vector2D::operator/ ( const double s ) const

Definition at line 147 of file Vector2D.cc.

{
    Vector2D temp;
    temp.x = x / s;
    temp.y = y / s;
    return temp;
}

Vector2D & Vector2D::operator/= ( const double s )

Definition at line 116 of file Vector2D.cc.

{
    x /= s;
    y /= s;
    return *this;
}

Vector2D & Vector2D::operator= ( const Vector2D & v )

Definition at line 88 of file Vector2D.cc.

{
    x = v.x;
    y = v.y;
    return *this;
}

bool Vector2D::operator== ( const Vector2D & v ) const

Definition at line 155 of file Vector2D.cc.

{
    if(x == v.x && y == v.y)
        return true;
    else
        return false;
}

double Vector2D::xyMaxDistance ( const Vector2D v ) const

Definition at line 57 of file Vector2D.cc.

Referenced by Quon::classifySites(), QuonAOI::collide(), and NTreeScope::contains().

{
    return std::max(fabs(x - v.x), fabs(y - v.y));
}

Friends And Related Function Documentation

bool operator<	(	const Vector2D &	a,
		const Vector2D &	b
	)

friend

Definition at line 171 of file Vector2D.cc.

{
    if(a.y == b.y)
        return a.x < b.x;
    else
        return a.y < b.y;
}

std::ostream& operator<<	(	std::ostream &	Stream,
		const Vector2D &	v
	)

friend

Definition at line 179 of file Vector2D.cc.

{
    return Stream << std::fixed << "[" << v.x << ", " << v.y << "]";
}

Member Data Documentation

double Vector2D::x

Definition at line 37 of file Vector2D.h.

Referenced by Geometry::bisect(), BoundingBox2D::BoundingBox2D(), Vast::buildVoronoi(), BoundingBox2D::collide(), cosAngle(), Geometry::dist(), distanceSqr(), EdgeList::ELleftbnd(), getQuadrant(), NTreeScope::getSubScope(), greatGathering::greatGathering(), groupRoaming::groupRoaming(), PubSubLobby::handleJoin(), SimpleGameClient::handleLowerMessage(), ConnectivityProbeQuon::handleMessage(), ConnectivityProbe::handleMessage(), PubSubMMOG::handleMove(), SimMud::handleMove(), SimpleGameClient::handleRealworldPacket(), PubSubLobby::handleRespCall(), PubSubMMOG::handleTakeOver(), PubSubLobby::handleTakeOverResponse(), PubSubLobby::handleTakeOverTimeout(), hotspotRoaming::hotspotRoaming(), Geometry::initialize(), Geometry::intersect(), Geometry::intersectCircleLine(), Geometry::intersectCircleSite(), BoundingBox2D::left(), groupRoaming::move(), randomRoaming::move(), hotspotRoaming::move(), MovementGenerator::MovementGenerator(), netPack(), netUnpack(), normalize(), operator!=(), operator*(), operator*=(), operator+(), operator+=(), operator-(), operator-=(), operator/(), operator/=(), operator<(), operator<<(), operator=(), operator==(), HeapPQ::PQ_min(), HeapPQ::PQinsert(), Geometry::processEdge(), randomRoaming::randomRoaming(), BoundingBox2D::right(), EdgeList::right_of(), MovementGenerator::testBounds(), traverseRoaming::traverseRoaming(), SimpleGameClient::updateNeighbors(), Vector2D(), and xyMaxDistance().

double Vector2D::y

Definition at line 37 of file Vector2D.h.

Referenced by Geometry::bisect(), BoundingBox2D::bottom(), BoundingBox2D::BoundingBox2D(), Vast::buildVoronoi(), BoundingBox2D::collide(), cosAngle(), Geometry::dist(), distanceSqr(), getQuadrant(), NTreeScope::getSubScope(), greatGathering::greatGathering(), groupRoaming::groupRoaming(), PubSubLobby::handleJoin(), SimpleGameClient::handleLowerMessage(), ConnectivityProbeQuon::handleMessage(), ConnectivityProbe::handleMessage(), PubSubMMOG::handleMove(), SimMud::handleMove(), SimpleGameClient::handleRealworldPacket(), PubSubLobby::handleRespCall(), PubSubMMOG::handleTakeOver(), PubSubLobby::handleTakeOverResponse(), PubSubLobby::handleTakeOverTimeout(), hotspotRoaming::hotspotRoaming(), Geometry::initialize(), Geometry::intersect(), Geometry::intersectCircleLine(), Geometry::intersectCircleSite(), groupRoaming::move(), randomRoaming::move(), hotspotRoaming::move(), MovementGenerator::MovementGenerator(), netPack(), netUnpack(), normalize(), operator!=(), operator*(), operator*=(), operator+(), operator+=(), operator-(), operator-=(), operator/(), operator/=(), operator<(), operator<<(), operator=(), operator==(), HeapPQ::PQ_min(), HeapPQ::PQinsert(), Geometry::processEdge(), randomRoaming::randomRoaming(), EdgeList::right_of(), MovementGenerator::testBounds(), BoundingBox2D::top(), traverseRoaming::traverseRoaming(), SimpleGameClient::updateNeighbors(), Vector2D(), and xyMaxDistance().

The documentation for this class was generated from the following files:

Public Member Functions

Public Attributes

Friends

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation

Friends And Related Function Documentation

Member Data Documentation