PLMath::Vector2i Class Reference

2D integer vector More...

#include <Vector2i.h>

List of all members.

Public Member Functions
	Vector2i ()
	Default constructor setting all components to 0.
	Vector2i (int nX, int nY)
	Constructor.
	~Vector2i ()
	Destructor.
	operator int * ()
	operator const int * () const
int &	operator[] (int nIndex)
const int &	operator[] (int nIndex) const
void	Set (int nX, int nY)
	Set vector.
void	SetX (int nX)
	Set X component.
void	SetY (int nY)
	Set Y component.
Vector2i &	operator= (const Vector2i &vV)
	Assignment operator.
bool	operator== (const Vector2i &vV) const
	Compare operator.
bool	operator!= (const Vector2i &vV) const
	Compare operator.
bool	operator< (const Vector2i &vV) const
	Compares two vectors lexicographically.
bool	operator> (const Vector2i &vV) const
	Compares two vectors lexicographically.
bool	operator<= (const Vector2i &vV) const
	Compares two vectors lexicographically.
bool	operator>= (const Vector2i &vV) const
	Compares two vectors lexicographically.
Vector2i	operator+ (const Vector2i &vV) const
	Addition operator.
Vector2i &	operator+= (const Vector2i &vV)
	Addition operator.
Vector2i	operator- (const Vector2i &vV) const
	Subtraction operator.
Vector2i &	operator-= (const Vector2i &vV)
	Subtraction operator.
Vector2i	operator* (float fFactor) const
	Multiplication operator.
Vector2i &	operator*= (float fFactor)
	Multiplication operator.
Vector2i	operator/ (float fFactor) const
	Division operator.
Vector2i &	operator/= (float fFactor)
	Division operator.
PLMATH_API PLCore::String	ToString () const
	To string.
PLMATH_API bool	FromString (const PLCore::String &sString)
	From string.
Public Attributes
union {
int   nV [2]
	Vector element array access.
struct {
int   x
int   y
}
	Known vector element names when dealing with positions or directions.
struct {
int   width
int   height
}
	Known vector element names when dealing with sizes.
};
	Some direct vector element accesses.
Static Public Attributes
static PLMATH_API const Vector2i	Zero
static PLMATH_API const Vector2i	One
static PLMATH_API const Vector2i	NegativeOne
static PLMATH_API const Vector2i	UnitX
static PLMATH_API const Vector2i	UnitY
static PLMATH_API const Vector2i	NegativeUnitX
static PLMATH_API const Vector2i	NegativeUnitY

---

Detailed Description

2D integer vector

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Constructor & Destructor Documentation

PLMath::Vector2i::Vector2i

(

)

[inline]

Default constructor setting all components to 0.

PLMath::Vector2i::Vector2i	(	int	nX,
		int	nY
	)		[inline]

Constructor.

Parameters:

[in]	nX	X component
[in]	nY	Y component

PLMath::Vector2i::~Vector2i

(

)

[inline]

Destructor.

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Member Function Documentation

PLMath::Vector2i::operator int *

(

)

[inline]

PLMath::Vector2i::operator const int *

(

)

const [inline]

int & PLMath::Vector2i::operator[]

(

int

nIndex

)

[inline]

const int & PLMath::Vector2i::operator[]

(

int

nIndex

)

const [inline]

void PLMath::Vector2i::Set	(	int	nX,
		int	nY
	)		[inline]

Set vector.

Set X and Y value.

Parameters:

[in]	nX	X component
[in]	nY	Y component

void PLMath::Vector2i::SetX

(

int

nX

)

[inline]

Set X component.

Set x.

Parameters:

[in]

nX

X component

void PLMath::Vector2i::SetY

(

int

nY

)

[inline]

Set Y component.

Set y.

Parameters:

[in]

nY

Y component

Vector2i & PLMath::Vector2i::operator=

(

const Vector2i &

vV

)

[inline]

Assignment operator.

Parameters:

[in]

vV

Source vector to copy

Returns:

This vector

bool PLMath::Vector2i::operator==

(

const Vector2i &

vV

)

const [inline]

Compare operator.

Parameters:

[in]

vV

Vector to compare with

Returns:

'true' if equal, else 'false'

bool PLMath::Vector2i::operator!=

(

const Vector2i &

vV

)

const [inline]

Compare operator.

Parameters:

[in]

vV

Vector to compare with

Returns:

'true' if not equal, else 'false'

bool PLMath::Vector2i::operator<

(

const Vector2i &

vV

)

const [inline]

Compares two vectors lexicographically.

Compare operator lexicographically.

Parameters:

[in]

vV

Vector to compare with

Returns:

'true' if ALL components of this vector are less, else 'false'

Note:

• A lexicographical order for 2-dimensional vectors is used (see http://en.wikipedia.org/wiki/Ordered_vector_space)

bool PLMath::Vector2i::operator>

(

const Vector2i &

vV

)

const [inline]

Compares two vectors lexicographically.

Compare operator lexicographically.

Parameters:

[in]

vV

Vector to compare with

Returns:

'true' if ALL components of this vector are greater, else 'false'

See also:

• "operator <"

bool PLMath::Vector2i::operator<=

(

const Vector2i &

vV

)

const [inline]

Compares two vectors lexicographically.

Compare operator lexicographically.

Parameters:

[in]

vV

Vector to compare with

Returns:

'true' if ALL components of this vector are less or equal, else 'false'

See also:

• "operator <"

bool PLMath::Vector2i::operator>=

(

const Vector2i &

vV

)

const [inline]

Compares two vectors lexicographically.

Compare operator lexicographically.

Parameters:

[in]

vV

Vector to compare with

Returns:

'true' if ALL components of this vector are greater or equal, else 'false'

See also:

• "operator <"

Vector2i PLMath::Vector2i::operator+

(

const Vector2i &

vV

)

const [inline]

Addition operator.

Parameters:

[in]

vV

Vector to add

Returns:

The resulting vector

Vector2i & PLMath::Vector2i::operator+=

(

const Vector2i &

vV

)

[inline]

Addition operator.

Parameters:

[in]

vV

Vector to add

Returns:

This vector

Vector2i PLMath::Vector2i::operator-

(

const Vector2i &

vV

)

const [inline]

Subtraction operator.

Parameters:

[in]

vV

Vector to subtract

Returns:

The resulting vector

Vector2i & PLMath::Vector2i::operator-=

(

const Vector2i &

vV

)

[inline]

Subtraction operator.

Parameters:

[in]

vV

Vector to subtract

Returns:

This vector

Vector2i PLMath::Vector2i::operator*

(

float

fFactor

)

const [inline]

Multiplication operator.

Parameters:

[in]

fFactor

Floating point factor

Returns:

The resulting vector

Vector2i & PLMath::Vector2i::operator*=

(

float

fFactor

)

[inline]

Multiplication operator.

Parameters:

[in]

fFactor

Floating point factor

Returns:

This vector

Vector2i PLMath::Vector2i::operator/

(

float

fFactor

)

const [inline]

Division operator.

Parameters:

[in]

fFactor

Floating point divisor

Returns:

The resulting vector

Vector2i & PLMath::Vector2i::operator/=

(

float

fFactor

)

[inline]

Division operator.

Parameters:

[in]

fFactor

Floating point divisor

Returns:

This vector

PLMATH_API PLCore::String PLMath::Vector2i::ToString

(

)

const

To string.

Returns:

String with the data

PLMATH_API bool PLMath::Vector2i::FromString

(

const PLCore::String &

sString

)

From string.

Parameters:

[in]

sString

String with the data

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Member Data Documentation

PLMATH_API const Vector2i PLMath::Vector2i::Zero [static]

0, 0

PLMATH_API const Vector2i PLMath::Vector2i::One [static]

1, 1

PLMATH_API const Vector2i PLMath::Vector2i::NegativeOne [static]

-1, -1

PLMATH_API const Vector2i PLMath::Vector2i::UnitX [static]

1, 0

PLMATH_API const Vector2i PLMath::Vector2i::UnitY [static]

0, 1

PLMATH_API const Vector2i PLMath::Vector2i::NegativeUnitX [static]

-1, 0

PLMATH_API const Vector2i PLMath::Vector2i::NegativeUnitY [static]

0, -1

int PLMath::Vector2i::nV[2]

Vector element array access.

int PLMath::Vector2i::x

int PLMath::Vector2i::y

int PLMath::Vector2i::width

int PLMath::Vector2i::height

union { ... }

Some direct vector element accesses.

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

• Vector2i.h
• Vector2i.inl