QVRFrustum Class Reference

Frustum class. More...

#include <frustum.hpp>

Public Member Functions
	QVRFrustum ()
	Constructs an invalid frustum, where all values are zero.
	QVRFrustum (float l, float r, float b, float t, float n, float f)
	Constructs a view frustum.
	QVRFrustum (const float *lrbtnf)
	Constructs a view frustum.
void	getClippingPlanes (float *l, float *r, float *b, float *t, float *n, float *f) const
	Returns the clipping plane values l, r, b, t, n, f.
void	getClippingPlanes (float *lrbtnf) const
	Returns the clipping plane values l, r, b, t, n, f in an array lrbtnf.
QMatrix4x4	toMatrix4x4 () const
	Creates a 4x4 matrix from this frustum.
void	adjustNearPlane (float n)
	Adjusts the near plane while preserving the frustum shape.
float	leftPlane () const
	Returns the left clipping plane.
float	rightPlane () const
	Returns the right clipping plane.
float	bottomPlane () const
	Returns the bottom clipping plane.
float	topPlane () const
	Returns the top clipping plane.
float	nearPlane () const
	Returns the near clipping plane.
float	farPlane () const
	Returns the far clipping plane.
void	setLeftPlane (float l)
	Sets the left clipping plane.
void	setRightPlane (float r)
	Sets the right clipping plane.
void	setBottomPlane (float b)
	Sets the bottom clipping plane.
void	setTopPlane (float t)
	Sets the top clipping plane.
void	setNearPlane (float n)
	Sets the near clipping plane.
void	setFarPlane (float f)
	Sets the far clipping plane.

Friends
QDataStream &	operator<< (QDataStream &ds, const QVRFrustum &f)
	Writes the frustum f to the stream ds.
QDataStream &	operator>> (QDataStream &ds, QVRFrustum &f)
	Reads the frustum f from the stream ds.

Detailed Description

Frustum class.

This class represents a view frustum.

Constructor & Destructor Documentation

QVRFrustum() [1/3]

QVRFrustum::QVRFrustum

(

)

Constructs an invalid frustum, where all values are zero.

QVRFrustum() [2/3]

QVRFrustum::QVRFrustum	(	float	l,
		float	r,
		float	b,
		float	t,
		float	n,
		float	f )

Constructs a view frustum.

Parameters

l	Left clipping plane
r	Right clipping plane
b	Bottom clipping plane
t	Top clipping plane
n	Near clipping plane
f	Far clipping plane

QVRFrustum() [3/3]

QVRFrustum::QVRFrustum

(

const float *

lrbtnf

)

Constructs a view frustum.

Parameters

lrbtnf

Left, right, bottom, top, near, and far clipping plane

Member Function Documentation

adjustNearPlane()

void QVRFrustum::adjustNearPlane

(

float

n

)

Adjusts the near plane while preserving the frustum shape.

Parameters

n	The new near clipping plane

bottomPlane()

float QVRFrustum::bottomPlane ( ) const

inline

Returns the bottom clipping plane.

Returns

The bottom clipping plane

farPlane()

float QVRFrustum::farPlane ( ) const

inline

Returns the far clipping plane.

Returns

The far clipping plane

getClippingPlanes() [1/2]

void QVRFrustum::getClippingPlanes ( float * l, float * r, float * b, float * t, float * n, float * f ) const

inline

Returns the clipping plane values l, r, b, t, n, f.

getClippingPlanes() [2/2]

void QVRFrustum::getClippingPlanes ( float * lrbtnf ) const

inline

Returns the clipping plane values l, r, b, t, n, f in an array lrbtnf.

leftPlane()

float QVRFrustum::leftPlane ( ) const

inline

Returns the left clipping plane.

Returns

The left clipping plane

nearPlane()

float QVRFrustum::nearPlane ( ) const

inline

Returns the near clipping plane.

Returns

The near clipping plane

rightPlane()

float QVRFrustum::rightPlane ( ) const

inline

Returns the right clipping plane.

Returns

The right clipping plane

setBottomPlane()

void QVRFrustum::setBottomPlane ( float b )

inline

Sets the bottom clipping plane.

Parameters

b	The bottom clipping plane

setFarPlane()

void QVRFrustum::setFarPlane ( float f )

inline

Sets the far clipping plane.

Parameters

f	The far clipping plane

setLeftPlane()

void QVRFrustum::setLeftPlane ( float l )

inline

Sets the left clipping plane.

Parameters

l	The left clipping plane

setNearPlane()

void QVRFrustum::setNearPlane ( float n )

inline

Sets the near clipping plane.

Parameters

n	The near clipping plane

setRightPlane()

void QVRFrustum::setRightPlane ( float r )

inline

Sets the right clipping plane.

Parameters

r	The right clipping plane

setTopPlane()

void QVRFrustum::setTopPlane ( float t )

inline

Sets the top clipping plane.

Parameters

t	The top clipping plane

toMatrix4x4()

QMatrix4x4 QVRFrustum::toMatrix4x4

(

)

const

Creates a 4x4 matrix from this frustum.

Returns

The matrix

topPlane()

float QVRFrustum::topPlane ( ) const

inline

Returns the top clipping plane.

Returns

The top clipping plane

Friends And Related Symbol Documentation

operator<<

QDataStream & operator<< ( QDataStream & ds, const QVRFrustum & f )

friend

Writes the frustum f to the stream ds.

operator>>

QDataStream & operator>> ( QDataStream & ds, QVRFrustum & f )

friend

Reads the frustum f from the stream ds.

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

• frustum.hpp