OffsetT Class Reference

Collaboration diagram for OffsetT:

Public Member Functions
bool	operator== (const OffsetT< T > &p2) const
	return true if this point is equal to the other
bool	operator!= (const OffsetT< T > &p2) const
	return true if this point is not equal to the other
OffsetT< T > &	operator= (const OffsetT< T > &p2)
	set point equal to another
OffsetT< T >	operator+ (const OffsetT< T > &p2) const
	add two points together by adding x & y coordinates
OffsetT< T >	operator- (const OffsetT< T > &p2) const
	subtract a point from another by subtracting x & y coordinates
OffsetT< T > &	operator+= (const OffsetT< T > &p2)
	add another point to this one by adding x & y coordinates
OffsetT< T > &	operator-= (const OffsetT< T > &p2)
	subtract another point from this one by subtracting x & y coordinates
OffsetT< T > &	operator*= (float n)
	scale the offset
OffsetT< T > &	operator/= (float n)
	scale the offset
OffsetT< T >	operator* (float n) const
	scale an offset from by a factor
OffsetT< T >	operator/ (float n) const
	scale an offset from by a factor
bool	zero () const
	see if it's (0,0)
	OffsetT (T ix, T iy)
	create a point and set its x & y values
	OffsetT ()
	create a point at the origin (0,0)

Public Attributes
T	x
	x coordinate of point on a grid or screen
T	y
	y coordinate of point on a grid or screen

Detailed Description

Point for 2D coordinate system. Point is a provides support for dealing with points as x, y floating point values in 2 dimensional space.

Constructor & Destructor Documentation

OffsetT ( T  ix, T  iy  )

inline

create a point and set its x & y values

OffsetT ( )

inline

create a point at the origin (0,0)

Member Function Documentation

bool operator!=

(

const OffsetT< T > &

p2

)

const

return true if this point is not equal to the other

OffsetT<T> operator*

(

float

n

)

const

scale an offset from by a factor

OffsetT<T>& operator*=

(

float

n

)

scale the offset

OffsetT<T> operator+

(

const OffsetT< T > &

p2

)

const

add two points together by adding x & y coordinates

OffsetT<T>& operator+=

(

const OffsetT< T > &

p2

)

add another point to this one by adding x & y coordinates

OffsetT<T> operator-

(

const OffsetT< T > &

p2

)

const

subtract a point from another by subtracting x & y coordinates

OffsetT<T>& operator-=

(

const OffsetT< T > &

p2

)

subtract another point from this one by subtracting x & y coordinates

OffsetT<T> operator/

(

float

n

)

const

scale an offset from by a factor

OffsetT<T>& operator/=

(

float

n

)

scale the offset

OffsetT<T>& operator=

(

const OffsetT< T > &

p2

)

set point equal to another

bool operator==

(

const OffsetT< T > &

p2

)

const

return true if this point is equal to the other

bool zero

(

)

const

see if it's (0,0)

Member Data Documentation

T x

x coordinate of point on a grid or screen

T y

y coordinate of point on a grid or screen