Axis aligned bounding box implementation. More...

#include <BoundingAABB.h>

Inheritance diagram for agxCollide::BoundingAABB:

Public Member Functions
	BoundingAABB ()
	Creates an empty bounding volume. isCleared() will return 'true'.

	BoundingAABB (const agx::Bound3 &other, const agx::AffineMatrix4x4 &transform)
	Creates a bounding volume given a bounding volume given in another coordinate-system.

	BoundingAABB (const agx::Vec3 &min, const agx::Vec3 &max)
	Creates a bounding volume given a component-wise minimum and maximum point.

void	expand (const agx::Bound3 &other)
	Expands a bounding volume to contain both itself and another bound.

void	expand (const agx::Bound3 &other, const agx::AffineMatrix4x4 &transform)
	Expands a bounding volume given a bounding volume given in another coordinate-system.

void	expand (const agx::Vec3 &otherMin, const agx::Vec3 &otherMax)
	Expands a bounding volume to contain both itself and another bound.

void	expand (const agx::Vec3 &otherMin, const agx::Vec3 &otherMax, const agx::AffineMatrix4x4 &transform)
	Expands a bounding volume given a bounding volume given in another coordinate-system.

void	expand (const agx::Vec3 &point)
	Expands a bounding volume to contain both itself and another point.

bool	hasOverlap (const BoundingAABB *other) const
	Tests if the bound intersects with another bounding volume.

bool	isCleared () const
	Is the bounding volume cleared? Will be true e.g.

void	reset ()
	Removes any extent of the bound.

void	set (const agx::Bound3 &other, const agx::AffineMatrix4x4 &transform)
	Sets a bounding volume given a bounding volume given in another coordinate-system.

bool	testSphereOverlap (const agx::Vec3 &pos, agx::Real radius) const
	Test if a sphere overlaps the bound.

Public Member Functions inherited from agx::BoundT< Vec3 >
	BoundT ()
	Create a bound initialized to the empty range located at the type's default value.

	BoundT (const BoundT &other)

	BoundT (const Vec3 &min, const Vec3 &max)

BoundT	calculateOverlap (const BoundT &other) const

bool	contains (const Vec3 &value) const

bool	hasOverlap (const BoundT &other) const

bool	isValid () const

Vec3 &	max ()

const Vec3 &	max () const

Vec3	mid () const

Vec3 &	min ()

const Vec3 &	min () const

	operator BoundT< T2 > () const
	Convert the bound to a bound with a different underlying type.

bool	operator!= (const BoundT &other) const

BoundT	operator* (T2 scale)
	Create a new bound that has the same midpoint as the current bound, but with a size that is scaled according to the given scale.

BoundT< Vec3 >	operator* (T2 scale)

BoundT &	operator*= (T2 scale)
	Scale the bound so that is size is changed according to the given scale, but the midpoint remains unchanged.

BoundT< Vec3 > &	operator*= (T2 scale)

BoundT &	operator= (const BoundT &other)

bool	operator== (const BoundT &other) const

void	set (const Vec3 &min, const Vec3 &max)
	Relocate the bound to the new location.

Vec3	size () const

BoundT	translate (const Vec3 &offset) const
	Move the bound's midpoint without altering its size.

Additional Inherited Members
Public Types inherited from agx::BoundT< Vec3 >
typedef Vec3	Type

Protected Attributes inherited from agx::BoundT< Vec3 >
Vec3	m_max

Vec3	m_min

Detailed Description

Axis aligned bounding box implementation.

Definition at line 37 of file BoundingAABB.h.

Constructor & Destructor Documentation

◆ BoundingAABB() [1/3]

agxCollide::BoundingAABB::BoundingAABB ( )

Creates an empty bounding volume. isCleared() will return 'true'.

Definition at line 146 of file BoundingAABB.h.

References reset().

◆ BoundingAABB() [2/3]

agxCollide::BoundingAABB::BoundingAABB	(	const agx::Vec3 &	min,
		const agx::Vec3 &	max
	)

Creates a bounding volume given a component-wise minimum and maximum point.

Parameters

min	The component-wise minimum.
max	The component-wise maximum. If min is not the component-wise minimum and max is not the component-wise maximum, unexpected results might occur.

Definition at line 152 of file BoundingAABB.h.

◆ BoundingAABB() [3/3]

agxCollide::BoundingAABB::BoundingAABB	(	const agx::Bound3 &	other,
		const agx::AffineMatrix4x4 &	transform
	)

Creates a bounding volume given a bounding volume given in another coordinate-system.

Parameters

other	The bounding volume, given in another coordinate system.
transform	The transformation matrix from the coordinate system where 'other' is defined to the desired one.

Definition at line 157 of file BoundingAABB.h.

References expand(), and reset().

Member Function Documentation

◆ expand() [1/5]

void agxCollide::BoundingAABB::expand ( const agx::Bound3 & other )

Expands a bounding volume to contain both itself and another bound.

If isCleared() was true before, the bound will be set to the other one.

Definition at line 184 of file BoundingAABB.h.

References expand(), agx::BoundT< T >::max(), and agx::BoundT< T >::min().

Referenced by BoundingAABB(), expand(), and set().

◆ expand() [2/5]

void agxCollide::BoundingAABB::expand	(	const agx::Bound3 &	other,
		const agx::AffineMatrix4x4 &	transform
	)

Expands a bounding volume given a bounding volume given in another coordinate-system.

If isCleared() was true before, the bound will be set to the point.

Parameters

other	The bounding volume, given in another coordinate system.
transform	The transformation matrix from the coordinate system where 'other' is defined to the desired one.

Definition at line 203 of file BoundingAABB.h.

References expand(), agx::BoundT< T >::max(), and agx::BoundT< T >::min().

◆ expand() [3/5]

void agxCollide::BoundingAABB::expand	(	const agx::Vec3 &	otherMin,
		const agx::Vec3 &	otherMax
	)

Expands a bounding volume to contain both itself and another bound.

If isCleared() was true before, the bound will be set the other one.

Parameters

otherMin	The component-wise minimum.
otherMax	The component-wise maximum. If min is not the component-wise minimum and max is not the component-wise maximum, unexpected results might occur.

Definition at line 196 of file BoundingAABB.h.

References agx::Vec3T< Real >::componentMax(), agx::Vec3T< Real >::componentMin(), agx::BoundT< Vec3 >::max(), and agx::BoundT< Vec3 >::min().

◆ expand() [4/5]

void agxCollide::BoundingAABB::expand	(	const agx::Vec3 &	otherMin,
		const agx::Vec3 &	otherMax,
		const agx::AffineMatrix4x4 &	transform
	)

Expands a bounding volume given a bounding volume given in another coordinate-system.

If isCleared() was true before, the bound will be set to the point.

Parameters

otherMin	The component-wise minimum, given in another coordinate system.
otherMax	The component-wise maximum, given in another coordinate system.
transform	The transformation matrix from the coordinate system where 'otherMin' and 'otherMax' are defined to the desired one.

◆ expand() [5/5]

void agxCollide::BoundingAABB::expand ( const agx::Vec3 & point )

Expands a bounding volume to contain both itself and another point.

If isCleared() was true before, the bound will be set to the point.

Definition at line 190 of file BoundingAABB.h.

References expand().

◆ hasOverlap()

bool agxCollide::BoundingAABB::hasOverlap ( const BoundingAABB * other ) const

Tests if the bound intersects with another bounding volume.

Parameters

other The other bounding volume, to be given in same coordinate system.

Return values

Do	the bounding volumes overlap?

Definition at line 209 of file BoundingAABB.h.

References agx::BoundT< Vec3 >::hasOverlap().

◆ isCleared()

bool agxCollide::BoundingAABB::isCleared ( ) const

Is the bounding volume cleared? Will be true e.g.

after call to reset().

Definition at line 178 of file BoundingAABB.h.

References agx::BoundT< Vec3 >::max(), and agx::BoundT< Vec3 >::min().

◆ reset()

void agxCollide::BoundingAABB::reset ( )

Removes any extent of the bound.

isCleared() will return 'true'.

Definition at line 171 of file BoundingAABB.h.

References agx::BoundT< Vec3 >::max(), agx::BoundT< Vec3 >::min(), agx::RealMax, and agx::Vec3T< T >::set().

Referenced by BoundingAABB(), and set().

◆ set()

void agxCollide::BoundingAABB::set	(	const agx::Bound3 &	other,
		const agx::AffineMatrix4x4 &	transform
	)

Sets a bounding volume given a bounding volume given in another coordinate-system.

Parameters

other	The bounding volume, given in another coordinate system.
transform	The transformation matrix from the coordinate system where 'other' is defined to the desired one.

Definition at line 164 of file BoundingAABB.h.

References expand(), and reset().

◆ testSphereOverlap()

bool agxCollide::BoundingAABB::testSphereOverlap	(	const agx::Vec3 &	pos,
		agx::Real	radius
	)		const

Test if a sphere overlaps the bound.

May give false positives outside the bound's edges or corners.

Parameters

pos	The position of the sphere.
radius	The radius of the sphere

Return values

Do	the sphere and the bound overlap? May give false positives outside the bound's edges or corners.

Definition at line 215 of file BoundingAABB.h.

References agx::BoundT< Vec3 >::max(), and agx::BoundT< Vec3 >::min().

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

BoundingAABB.h

Public Member Functions

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ BoundingAABB() [1/3]

◆ BoundingAABB() [2/3]

◆ BoundingAABB() [3/3]

Member Function Documentation

◆ expand() [1/5]

◆ expand() [2/5]

◆ expand() [3/5]

◆ expand() [4/5]

◆ expand() [5/5]

◆ hasOverlap()

◆ isCleared()

◆ reset()

◆ set()

◆ testSphereOverlap()