makVrv::DtBoundingBox Class Reference

A simple bounding box. More...

Public Member Functions
	DtBoundingBox ()
	Default constructor. Bounding box is set to zero.
	DtBoundingBox (float lx, float ly, float ux, float uy)
	Constructor.
	DtBoundingBox (Dt2dPoint l, Dt2dPoint u)
	~DtBoundingBox ()
	Destructor.
void	invalidate ()
	Mark the bounds invalid by setting all lower dimensions greater than the upper dimensions.
bool	valid () const
	Is the bounds valid.
bool	contains (float x, float y) const
	Does this bounding box contain the point.
DtBoundingBox &	operator+= (const Dt2dPoint &vector)
	Move the Bounding Box by a vector.
DtBoundingBox &	operator|= (const DtBoundingBox &other)
	Combine the two boxes together.
void	centerOn (Dt2dPoint pos)
	Move the box's center point to the position, without changing the size.
void	expandTo (float width, float height)
	Expand the boxes size around its current center to have a width and height specified.
void	getCenter (Dt2dPoint &point) const
	Get the center of the box.
void	toPoints (float points[8]) const
	Fill in an array of 2d points with the box corners.
Size accessors.
float	width () const
	Get the bounding box width.
float	height () const
	Get the bounding box height.
Location accessors.
Dt2dPoint &	upperPoint ()
	Get the upper point.
const Dt2dPoint &	upperPoint () const
	Get the upper point (const).
Dt2dPoint &	lowerPoint ()
	Get the lower point.
const Dt2dPoint &	lowerPoint () const
	Get the lower point (const).

Protected Attributes
Dt2dPoint	myLowerPoint
Dt2dPoint	myUpperPoint

Detailed Description

A simple bounding box.

Constructor & Destructor Documentation

makVrv::DtBoundingBox::DtBoundingBox

(

)

Default constructor. Bounding box is set to zero.

makVrv::DtBoundingBox::DtBoundingBox	(	float	lx,
		float	ly,
		float	ux,
		float	uy
	)

Constructor.

makVrv::DtBoundingBox::DtBoundingBox	(	Dt2dPoint	l,
		Dt2dPoint	u
	)

makVrv::DtBoundingBox::~DtBoundingBox

(

)

Destructor.

Member Function Documentation

void makVrv::DtBoundingBox::invalidate

(

)

Mark the bounds invalid by setting all lower dimensions greater than the upper dimensions.

bool makVrv::DtBoundingBox::valid

(

)

const

Is the bounds valid.

bool makVrv::DtBoundingBox::contains	(	float	x,
		float	y
	)		const

Does this bounding box contain the point.

DtBoundingBox& makVrv::DtBoundingBox::operator+=

(

const Dt2dPoint &

vector

)

Move the Bounding Box by a vector.

DtBoundingBox& makVrv::DtBoundingBox::operator|=

(

const DtBoundingBox &

other

)

Combine the two boxes together.

void makVrv::DtBoundingBox::centerOn

(

Dt2dPoint

pos

)

Move the box's center point to the position, without changing the size.

void makVrv::DtBoundingBox::expandTo	(	float	width,
		float	height
	)

Expand the boxes size around its current center to have a width and height specified.

void makVrv::DtBoundingBox::getCenter

(

Dt2dPoint &

point

)

const

Get the center of the box.

float makVrv::DtBoundingBox::width ( ) const

inline

Get the bounding box width.

float makVrv::DtBoundingBox::height ( ) const

inline

Get the bounding box height.

Dt2dPoint& makVrv::DtBoundingBox::upperPoint ( )

inline

Get the upper point.

const Dt2dPoint& makVrv::DtBoundingBox::upperPoint ( ) const

inline

Get the upper point (const).

Dt2dPoint& makVrv::DtBoundingBox::lowerPoint ( )

inline

Get the lower point.

const Dt2dPoint& makVrv::DtBoundingBox::lowerPoint ( ) const

inline

Get the lower point (const).

void makVrv::DtBoundingBox::toPoints

(

float

points[8]

)

const

Fill in an array of 2d points with the box corners.

Member Data Documentation

Dt2dPoint makVrv::DtBoundingBox::myLowerPoint

protected

Dt2dPoint makVrv::DtBoundingBox::myUpperPoint

protected

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

• /exports/nfedora7-1/nightly/docs/vrforcesDevelopment.tot/include/vrvGraphics/DtBoundingBox.h