Point2I Class Reference

#include <mPoint2.h>

Detailed Description

2D integer point

Uses S32 internally.

Public Member Functions

Point2I ()

Create an uninitialized point.

Point2I (const Point2I &)

Copy constructor.

Point2I (S32 in_x, S32 in_y)

Create point from two co-ordinates.

void set (S32 in_x, S32 in_y)

Set (x,y) position.

void setMin (const Point2I &)

Store lesser co-ordinates from parameter in this point.

void setMax (const Point2I &)

Store greater co-ordinates from parameter in this point.

void neg ()

Invert sign of point's co-ordinates.

void convolve (const Point2I &)

Convolve this point by parameter.

bool isZero () const

Is this point at the origin? (No epsilon used).

F32 len () const

Get the length of the point.

S32 lenSquared () const

Get the length-squared of the point.

operator S32 * ()

operator const S32 * () const

bool operator== (const Point2I &) const

bool operator!= (const Point2I &) const

Point2I operator+ (const Point2I &) const

Point2I operator- (const Point2I &) const

Point2I & operator+= (const Point2I &)

Point2I & operator-= (const Point2I &)

Point2I operator * (S32) const

Point2I & operator *= (S32)

Point2I operator/ (S32) const

Point2I & operator/= (S32)

Point2I operator- () const

Public Attributes

S32 x

X position.

S32 y

Y position.

Static Public Attributes

static const Point2I One

static const Point2I Zero

Constructor & Destructor Documentation

Point2I::Point2I ( ) [inline]

Create an uninitialized point.

Point2I::Point2I ( const Point2I & ) [inline]

Copy constructor.

Point2I::Point2I	(	S32	in_x,
		S32	in_y
	)			`[inline]`

Create point from two co-ordinates.

Member Function Documentation

void Point2I::set	(	S32	in_x,
		S32	in_y
	)			`[inline]`

Set (x,y) position.

void Point2I::setMin ( const Point2I & ) [inline]

Store lesser co-ordinates from parameter in this point.

void Point2I::setMax ( const Point2I & ) [inline]

Store greater co-ordinates from parameter in this point.

void Point2I::neg ( ) [inline]

Invert sign of point's co-ordinates.

void Point2I::convolve ( const Point2I & ) [inline]

Convolve this point by parameter.

bool Point2I::isZero ( ) const [inline]

Is this point at the origin? (No epsilon used).

F32 Point2I::len ( ) const [inline]

Get the length of the point.

S32 Point2I::lenSquared ( ) const [inline]

Get the length-squared of the point.

Point2I::operator S32 * ( ) [inline]

Point2I::operator const S32 * ( ) const [inline]

bool Point2I::operator== ( const Point2I & ) const [inline]

bool Point2I::operator!= ( const Point2I & ) const [inline]

Point2I Point2I::operator+ ( const Point2I & ) const [inline]

Point2I Point2I::operator- ( const Point2I & ) const [inline]

Point2I & Point2I::operator+= ( const Point2I & ) [inline]

Point2I & Point2I::operator-= ( const Point2I & ) [inline]

Point2I Point2I::operator * ( S32 ) const [inline]

Point2I & Point2I::operator *= ( S32 ) [inline]

Point2I Point2I::operator/ ( S32 ) const [inline]

Point2I & Point2I::operator/= ( S32 ) [inline]

Point2I Point2I::operator- ( ) const [inline]

Member Data Documentation

const Point2I Point2I::One [static]

const Point2I Point2I::Zero [static]

S32 Point2I::x

X position.

S32 Point2I::y

Y position.