QuadT Class Reference

Collaboration diagram for QuadT:

Public Member Functions
RectT< T >	getBounds () const
	return a rectangle that bounds the quad
PointT< T >	centerPoint () const
	return the calculated centerpoint of the quad
	QuadT ()
	QuadT (const RectT< T > &rect)
	create a quad from a rectangle
	QuadT (const RotatedRectT< T > &rr)
	QuadT (const PointT< T > &_lftTop, const PointT< T > &_rgtTop, const PointT< T > &_rgtBot, const PointT< T > &_lftBot)
	create a quad given its corner points
bool	operator== (const QuadT< T > &q2) const
bool	contains (const PointT< T > &point) const
	Determines if the point is contained within this quad.
void	moveLeft (T delta)
	move the rectangle to the left by some amount
void	moveRight (T delta)
	move the rectangle to the right by some amount
void	moveUp (T delta)
	move the rectangle up by some amount
void	moveDown (T delta)
	move the rectangle down by some amount
void	rotate (float rotationRadians)
	rotate the quad by a rotation in radians (around the calculated center point of the quad)
void	rotate (float rotationRadians, const PointT< T > &centerPtOffset)
	rotate the quad by a rotation in radians around an offset center point

Public Attributes
PointT< T >	points [4]

Detailed Description

a 4 point polygon in 2D system. Quad is a class that provides support for dealing with 4 point ploygons in 2 dimensional space

Constructor & Destructor Documentation

QuadT ( )

inline

QuadT ( const RectT< T > &  rect )

inline

create a quad from a rectangle

QuadT ( const RotatedRectT< T > &  rr )

inline

QuadT ( const PointT< T > &  _lftTop, const PointT< T > &  _rgtTop, const PointT< T > &  _rgtBot, const PointT< T > &  _lftBot  )

inline

create a quad given its corner points

Member Function Documentation

PointT<T> centerPoint

(

)

const

return the calculated centerpoint of the quad

bool contains

(

const PointT< T > &

point

)

const

Determines if the point is contained within this quad.

RectT<T> getBounds

(

)

const

return a rectangle that bounds the quad

void moveDown ( T  delta )

inline

move the rectangle down by some amount

void moveLeft ( T  delta )

inline

move the rectangle to the left by some amount

void moveRight ( T  delta )

inline

move the rectangle to the right by some amount

void moveUp ( T  delta )

inline

move the rectangle up by some amount

bool operator==

(

const QuadT< T > &

q2

)

const

void rotate ( float  rotationRadians )

inline

rotate the quad by a rotation in radians (around the calculated center point of the quad)

void rotate	(	float	rotationRadians,
		const PointT< T > &	centerPtOffset
	)

rotate the quad by a rotation in radians around an offset center point

Member Data Documentation

PointT<T> points[4]