Point2D Struct Reference

Multi-purpose 2D Point class. More...

Public Member Functions
	Point2D (Point2D p)
	Create a Point2D from a Point2D.
	Point2D (int x, int y)
	Create a Point2D from the x and y component.
	Point2D (int n)
	Create a new instance of the Point2D structure and initialize both components to the same value.
override bool	Equals (object obj)
	Compares this point with the given obj .
bool	Equals (Point2D rhs)
	Compares this point with the given rhs one.
override int	GetHashCode ()
	Hash code.
override string	ToString ()
	String conversion.

Static Public Member Functions
static Point2D	operator- (Point2D lhs, Point2D rhs)
	Subtraction operator for PointD structures.
static Point2D	operator+ (Point2D lhs, Point2D rhs)
	Addition operator for PointD structures.
static bool	operator!= (Point2D lhs, Point2D rhs)
	Comparison operator for PointD structures.
static bool	operator== (Point2D lhs, Point2D rhs)
	Comparison operator for PointD structures.
static double	operator* (Point2D lhs, Point2D rhs)
	Inner product of two PointD structure.
static Point2D	operator* (int lhs, Point2D rhs)
	Multiply a PointD with a number.

Static Public Attributes
static readonly Point2D	Empty = new Point2D()
	Empty rhs.
static readonly Point2D	UnitVectorX = new Point2D(1, 0)
	Unit rhs in x direction.
static readonly Point2D	UnitVectorY = new Point2D(0, 1)
	Unit rhs in y direction.

Properties
int	X [get, set]
	x component of the rhs
int	Y [get, set]
	y component of the rhs
int	this[int row] [get, set]
	Index access.
double	Length [get]
	Gets the length of the vector represented by this PointD object.

Detailed Description

Multi-purpose 2D Point class.

Constructor & Destructor Documentation

Point2D() [1/3]

Point2D

(

Point2D

p

)

Create a Point2D from a Point2D.

Parameters

p	Point to initialize with

Point2D() [2/3]

Point2D	(	int	x,
		int	y )

Create a Point2D from the x and y component.

Parameters

x	data to initialize with
y	data to initialize with

Point2D() [3/3]

Point2D

(

int

n

)

Create a new instance of the Point2D structure and initialize both components to the same value.

Parameters

n	value to initialize X and Y with.

Member Function Documentation

Equals() [1/2]

override bool Equals

(

object

obj

)

Compares this point with the given obj .

Parameters

obj	Object to compare with.

Returns

true if obj is a Point2D and the components are equal.

Equals() [2/2]

bool Equals

(

Point2D

rhs

)

Compares this point with the given rhs one.

Parameters

rhs	Point to compare with.

Returns

true if components are equal.

GetHashCode()

override int GetHashCode

(

)

Hash code.

Returns

hash code

operator!=()

static bool operator!= ( Point2D lhs, Point2D rhs )

static

Comparison operator for PointD structures.

Parameters

lhs	left hand side operand
rhs	right hand side operand

Returns

true lhs != rhs, false otherwise

operator*() [1/2]

static Point2D operator* ( int lhs, Point2D rhs )

static

Multiply a PointD with a number.

Parameters

rhs	rhs to multiply with
lhs	lhs to multiply with

Returns

Product of lhs and rhs .

operator*() [2/2]

static double operator* ( Point2D lhs, Point2D rhs )

static

Inner product of two PointD structure.

Parameters

lhs	left hand side vector
rhs	right hand side vector

Returns

Inner product of lhs and rhs .

operator+()

static Point2D operator+ ( Point2D lhs, Point2D rhs )

static

Addition operator for PointD structures.

Parameters

lhs	left hand side operand
rhs	right hand side operand

Returns

Sum of lhs and rhs .

operator-()

static Point2D operator- ( Point2D lhs, Point2D rhs )

static

Subtraction operator for PointD structures.

Parameters

lhs	left hand side operand
rhs	right hand side operand

Returns

Difference of lhs and rhs .

operator==()

static bool operator== ( Point2D lhs, Point2D rhs )

static

Comparison operator for PointD structures.

Parameters

lhs	left hand side operand
rhs	right hand side operand

Returns

true lhs == rhs, false otherwise

ToString()

override string ToString

(

)

String conversion.

Returns

string representation of this PointD

Property Documentation

this[int row]

int this[int row]

getset

Index access.

Parameters

row	The element to access (0 is X).

Returns