A wall defining a view frustum. More...

#include <wall.h>

Collaboration diagram for eq::fabric::Wall:

Public Types
enum	Type { TYPE_FIXED, TYPE_HMD }
	The reference system type of the wall. More...

Public Member Functions
	Wall ()
	Construct a new wall description. More...

	Wall (const Vector3f &bottomLeft, const Vector3f &bottomRight, const Vector3f &topLeft)
	Construct a new wall description with default values. More...

void	resizeHorizontal (const float ratio)
	Resize the wall horizontally. More...

void	resizeVertical (const float ratio)
	Resize the wall vertically. More...

void	resizeLeft (const float ratio)
	Resize the wall on the left side. More...

void	resizeRight (const float ratio)
	Resize the wall on the right side. More...

void	resizeTop (const float ratio)
	Resize the wall on the top side. More...

void	resizeBottom (const float ratio)
	Resize the wall on the bottom side. More...

void	resizeHorizontalToAR (const float aspectRatio)
	Resize the wall horizontally to match the given aspect ratio. More...

void	moveFocus (const Vector3f &eye, const float ratio)
	Resize the wall by the given ratio as observed from the eye position. More...

void	apply (const Viewport &viewport)
	Compute the sub-frustum for a 2D area on the full wall. More...

void	scale (const float ratio)
	Move each wall corner by the given ratio. More...

Wall &	operator= (const Projection &projection)
	Set the wall parameters from a projection description. More...

Wall &	operator= (const Matrix4f &xfm)
	Set the wall parameters from an inverse projection matrix. More...

float	getWidth () const

float	getHeight () const

bool	operator== (const Wall &rhs) const

bool	operator!= (const Wall &rhs) const

Vector3f	getU () const

Vector3f	getV () const

Vector3f	getW () const

Public Attributes
Vector3f	bottomLeft
	The bottom-left corner.

Vector3f	bottomRight
	The bottom-right corner.

Vector3f	topLeft
	The top-left corner.

Type	type
	The wall type.

Detailed Description

A wall defining a view frustum.

The three points describe the bottom left, bottom right and top left coordinate of the wall in real-world coordinates (meters).

Definition at line 38 of file wall.h.

Member Enumeration Documentation

enum eq::fabric::Wall::Type

The reference system type of the wall.

Enumerator
TYPE_FIXED	A fixed mounted projection wall.
TYPE_HMD	A wall fixed to the observer (head-mounted display)

Definition at line 167 of file wall.h.

Constructor & Destructor Documentation

eq::fabric::Wall::Wall ( )

Construct a new wall description.

eq::fabric::Wall::Wall	(	const Vector3f &	bottomLeft,
		const Vector3f &	bottomRight,
		const Vector3f &	topLeft
	)

Construct a new wall description with default values.

Member Function Documentation

void eq::fabric::Wall::apply ( const Viewport & viewport )

Compute the sub-frustum for a 2D area on the full wall.

Version: 1.0

float eq::fabric::Wall::getHeight ( ) const

inline

Returns: the height of the wall.

Version: 1.0

Definition at line 145 of file wall.h.

Vector3f eq::fabric::Wall::getU ( ) const

inline

Returns: the horizontal vector.

Version: 1.1

Definition at line 154 of file wall.h.

References bottomLeft.

Referenced by getW().

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Vector3f eq::fabric::Wall::getV ( ) const

inline

Returns: the vertical vector.

Version: 1.1

Definition at line 157 of file wall.h.

References bottomLeft.

Referenced by getW().

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Vector3f eq::fabric::Wall::getW ( ) const

inline

Returns: the perpendicular vector.

Version: 1.1

Definition at line 160 of file wall.h.

References getU(), and getV().

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float eq::fabric::Wall::getWidth ( ) const

inline

Returns: the width of the wall.

Version: 1.0

Definition at line 142 of file wall.h.

void eq::fabric::Wall::moveFocus	(	const Vector3f &	eye,
		const float	ratio
	)

Resize the wall by the given ratio as observed from the eye position.

Each wall corner is moved by ratio along the vector eye -> wall corner.

Parameters

eye	the observer position
ratio	the relative ratio to the current position

Version: 1.1

bool eq::fabric::Wall::operator!= ( const Wall & rhs ) const

Returns: true if the two walls are not identical.

Version: 1.0

Wall& eq::fabric::Wall::operator= ( const Projection & projection )

Set the wall parameters from a projection description.

Version: 1.0

Wall& eq::fabric::Wall::operator= ( const Matrix4f & xfm )

Set the wall parameters from an inverse projection matrix.

Version: 1.5.2

bool eq::fabric::Wall::operator== ( const Wall & rhs ) const

Returns: true if the two walls are identical.

Version: 1.0

void eq::fabric::Wall::resizeBottom ( const float ratio )

Resize the wall on the bottom side.

Parameters

ratio the amount by which the wall is grown or shrunk.

Version: 1.0

void eq::fabric::Wall::resizeHorizontal ( const float ratio )

Resize the wall horizontally.

Parameters

ratio the amount by which the wall is grown or shrunk.

Version: 1.0

void eq::fabric::Wall::resizeHorizontalToAR ( const float aspectRatio )

Resize the wall horizontally to match the given aspect ratio.

Parameters

aspectRatio the destination aspect ratio.

Version: 1.1.2

void eq::fabric::Wall::resizeLeft ( const float ratio )

Resize the wall on the left side.

Parameters

ratio the amount by which the wall is grown or shrunk.

Version: 1.0

void eq::fabric::Wall::resizeRight ( const float ratio )

Resize the wall on the right side.

Parameters

ratio the amount by which the wall is grown or shrunk.

Version: 1.0

void eq::fabric::Wall::resizeTop ( const float ratio )

Resize the wall on the top side.

Parameters

ratio the amount by which the wall is grown or shrunk.

Version: 1.0

void eq::fabric::Wall::resizeVertical ( const float ratio )

Resize the wall vertically.

Parameters

ratio the amount by which the wall is grown or shrunk.

Version: 1.0

void eq::fabric::Wall::scale ( const float ratio )

Move each wall corner by the given ratio.

Version: 1.3.1

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

wall.h

Public Types

Public Member Functions

Public Attributes

Detailed Description

Member Enumeration Documentation

Constructor & Destructor Documentation

Member Function Documentation