Rect Class Reference

Rectangle area. More...

Public Member Functions
	Rect ()
	Constructor an empty Rect.
	Rect (float x, float y, float width, float height)
	Constructor a rect.
	Rect (const Vec2 &pos, const Size &dimension)
	Constructor a rect.
	Rect (const Rect &other)
	Copy constructor.
Rect &	operator= (const Rect &other)
	NA NA
void	setRect (float x, float y, float width, float height)
	Set the x, y, width and height of Rect.
float	getMinX () const
	Get the left of the rect.
float	getMidX () const
	return the leftmost x-value of current rect
float	getMaxX () const
	return the midpoint x-value of current rect
float	getMinY () const
	return the rightmost x-value of current rect
float	getMidY () const
	return the bottommost y-value of current rect
float	getMaxY () const
	return the midpoint y-value of current rect
bool	equals (const Rect &rect) const
	return the topmost y-value of current rect
bool	containsPoint (const Vec2 &point) const
	Check if the points is contained in the rect.
bool	intersectsRect (const Rect &rect) const
	Check the intersect status of two rects.
bool	intersectsCircle (const Vec2 &center, float radius) const
	Check the intersect status of the rect and a circle.
Rect	unionWithRect (const Rect &rect) const
	Get the min rect which can contain this and rect.
void	merge (const Rect &rect)
	Compute the min rect which can contain this and rect, assign it to this.

Public Attributes
Vec2	origin
	Low left point of rect.
Size	size
	Width and height of the rect.

Static Public Attributes
static const Rect	ZERO
	An empty Rect.

Detailed Description

Rectangle area.

Constructor & Destructor Documentation

Rect

(

)

Constructor an empty Rect.

NA

Rect	(	float	x,
		float	y,
		float	width,
		float	height
	)

Constructor a rect.

NA

Rect	(	const Vec2 &	pos,
		const Size &	dimension
	)

Constructor a rect.

NA

Rect

(

const Rect &

other

)

Copy constructor.

NA NA

Member Function Documentation

void setRect	(	float	x,
		float	y,
		float	width,
		float	height
	)

Set the x, y, width and height of Rect.

NA NA

float getMinX

(

)

const

Get the left of the rect.

NA

float getMidX

(

)

const

return the leftmost x-value of current rect

Get the X coordinate of center point. NA

float getMaxX

(

)

const

return the midpoint x-value of current rect

Get the right of rect. NA

float getMinY

(

)

const

return the rightmost x-value of current rect

Get the bottom of rect. NA

float getMidY

(

)

const

return the bottommost y-value of current rect

Get the Y coordinate of center point. NA

float getMaxY

(

)

const

return the midpoint y-value of current rect

Get top of rect. NA

bool equals

(

const Rect &

rect

)

const

return the topmost y-value of current rect

Compare two rects. NA

bool containsPoint

(

const Vec2 &

point

)

const

Check if the points is contained in the rect.

NA

bool intersectsRect

(

const Rect &

rect

)

const

Check the intersect status of two rects.

NA

bool intersectsCircle	(	const Vec2 &	center,
		float	radius
	)		const

Check the intersect status of the rect and a circle.

NA

Rect unionWithRect

(

const Rect &

rect

)

const

Get the min rect which can contain this and rect.

NA NA

void merge

(

const Rect &

rect

)

Compute the min rect which can contain this and rect, assign it to this.

Member Data Documentation

Vec2 origin

Low left point of rect.

Size size

Width and height of the rect.

const Rect ZERO

static

An empty Rect.

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

• CCGeometry.h