An axis-aligned bounding box; that is, a minimum and maximum coordinate triple. More...

#include "boundingBox.h"

Inheritance diagram for BoundingBox:

Public Member Functions
	BoundingBox ()
	Constructs an empty box object.

	BoundingBox (const LPoint3 &min, const LPoint3 &max)
	Constructs a specific box object.

virtual const BoundingBox *	as_bounding_box () const
	Virtual downcast method.

virtual TypeHandle	force_init_type ()

virtual LPoint3	get_approx_center () const

virtual LPoint3	get_max () const

const LPoint3 &	get_maxq () const
	An inline accessor for the maximum value.

virtual LPoint3	get_min () const

const LPoint3 &	get_minq () const
	An inline accessor for the minimum value.

int	get_num_planes () const

int	get_num_points () const

LPlane	get_plane (int n) const

LPoint3	get_point (int n) const

virtual TypeHandle	get_type () const

virtual PN_stdfloat	get_volume () const

virtual BoundingVolume *	make_copy () const

virtual void	output (std::ostream &out) const

void	set_min_max (const LPoint3 &min, const LPoint3 &max)
	Sets the min and max point of the rectangular solid.

virtual void	xform (const LMatrix4 &mat)

Public Member Functions inherited from FiniteBoundingVolume
virtual const FiniteBoundingVolume *	as_finite_bounding_volume () const
	Virtual downcast method.

Public Member Functions inherited from GeometricBoundingVolume
bool	around (const GeometricBoundingVolume first, const GeometricBoundingVolume last)
	Resets the volume to enclose only the volumes indicated.

bool	around (const LPoint3 first, const LPoint3 last)
	Resets the volume to enclose only the points indicated.

virtual const GeometricBoundingVolume *	as_geometric_bounding_volume () const final
	Virtual downcast method.

virtual GeometricBoundingVolume *	as_geometric_bounding_volume () final
	Virtual downcast method.

int	contains (const GeometricBoundingVolume *vol) const
	Returns the appropriate set of IntersectionFlags to indicate the amount of intersection with the indicated volume.

int	contains (const LPoint3 &a, const LPoint3 &b) const
	Returns the appropriate set of IntersectionFlags to indicate the amount of intersection with the indicated line segment.

int	contains (const LPoint3 &point) const
	Returns the appropriate set of IntersectionFlags to indicate the amount of intersection with the indicated point.

bool	extend_by (const GeometricBoundingVolume *vol)
	Increases the size of the volume to include the given volume.

bool	extend_by (const LPoint3 &point)
	Increases the size of the volume to include the given point.

Public Member Functions inherited from BoundingVolume
bool	around (const BoundingVolume first, const BoundingVolume last)
	Resets the volume to enclose only the volumes indicated.

virtual const BoundingHexahedron *	as_bounding_hexahedron () const
	Virtual downcast method.

virtual const BoundingLine *	as_bounding_line () const
	Virtual downcast method.

virtual const BoundingPlane *	as_bounding_plane () const
	Virtual downcast method.

virtual const BoundingSphere *	as_bounding_sphere () const
	Virtual downcast method.

int	contains (const BoundingVolume *vol) const
	Returns the appropriate set of IntersectionFlags to indicate the amount of intersection with the indicated volume.

bool	extend_by (const BoundingVolume *vol)
	Increases the size of the volume to include the given volume.

bool	is_empty () const
	Any kind of volume might be empty.

bool	is_infinite () const
	The other side of the empty coin is an infinite volume.

void	set_infinite ()
	Marks the volume as infinite, even if it is normally finite.

virtual void	write (std::ostream &out, int indent_level=0) const

Public Member Functions inherited from TypedReferenceCount
	TypedReferenceCount (const TypedReferenceCount &copy)

void	operator= (const TypedReferenceCount &copy)

Public Member Functions inherited from TypedObject
	TypedObject (const TypedObject &copy)=default

TypedObject *	as_typed_object ()
	Returns the object, upcast (if necessary) to a TypedObject pointer.

const TypedObject *	as_typed_object () const
	Returns the object, upcast (if necessary) to a TypedObject pointer.

int	get_best_parent_from_Set (const std::set< int > &) const

int	get_type_index () const
	Returns the internal index number associated with this object's TypeHandle, a unique number for each different type.

bool	is_exact_type (TypeHandle handle) const
	Returns true if the current object is the indicated type exactly.

bool	is_of_type (TypeHandle handle) const
	Returns true if the current object is or derives from the indicated type.

TypedObject &	operator= (const TypedObject &copy)=default

Public Member Functions inherited from MemoryBase
void	operator delete (void , void )

void	operator delete (void *ptr)

void	operator delete[] (void , void )

void	operator delete[] (void *ptr)

void *	operator new (size_t size)

void *	operator new (size_t size, void *ptr)

void *	operator new[] (size_t size)

void *	operator new[] (size_t size, void *ptr)

Public Member Functions inherited from ReferenceCount
int	get_ref_count () const

WeakReferenceList *	get_weak_list () const
	Returns the WeakReferenceList associated with this ReferenceCount object.

bool	has_weak_list () const
	Returns true if this particular ReferenceCount object has a WeakReferenceList created, false otherwise.

void	local_object ()
	This function should be called, once, immediately after creating a new instance of some ReferenceCount-derived object on the stack.

void	ref () const
	Explicitly increments the reference count.

bool	ref_if_nonzero () const
	Atomically increases the reference count of this object if it is not zero.

bool	test_ref_count_integrity () const
	Does some easy checks to make sure that the reference count isn't completely bogus.

bool	test_ref_count_nonzero () const
	Does some easy checks to make sure that the reference count isn't zero, or completely bogus.

virtual bool	unref () const
	Explicitly decrements the reference count.

bool	unref_if_one () const
	Atomically decreases the reference count of this object if it is one.

WeakReferenceList *	weak_ref ()
	Adds the indicated PointerToVoid as a weak reference to this object.

void	weak_unref ()
	Removes the indicated PointerToVoid as a weak reference to this object.

Static Public Member Functions
static TypeHandle	get_class_type ()

static void	init_type ()

Static Public Member Functions inherited from FiniteBoundingVolume
static TypeHandle	get_class_type ()

static void	init_type ()

Static Public Member Functions inherited from GeometricBoundingVolume
static TypeHandle	get_class_type ()

static void	init_type ()

Static Public Member Functions inherited from BoundingVolume
static TypeHandle	get_class_type ()

static void	init_type ()

static BoundsType	string_bounds_type (const std::string &str)
	Returns the BoundsType corresponding to the indicated string.

Static Public Member Functions inherited from TypedReferenceCount
static TypeHandle	get_class_type ()

static void	init_type ()

Static Public Member Functions inherited from TypedObject
static TypeHandle	get_class_type ()

static void	init_type ()
	This function is declared non-inline to work around a compiler bug in g++ 2.96.

Static Public Member Functions inherited from ReferenceCount
static TypeHandle	get_class_type ()

static void	init_type ()

Public Attributes
	get_num_planes
	Returns 6: the number of faces of a rectangular solid.

	get_num_points
	Returns 8: the number of vertices of a rectangular solid.

	get_plane
	Returns the nth face of the rectangular solid.

	get_point
	Returns the nth vertex of the rectangular solid.

Public Attributes inherited from FiniteBoundingVolume
	get_max

	get_min

	get_volume

Public Attributes inherited from TypedObject
	get_type

Public Attributes inherited from ReferenceCount
	get_ref_count
	Returns the current reference count.

Friends
class	BoundingSphere

Additional Inherited Members
Public Types inherited from BoundingVolume
enum	BoundsType { BT_default , BT_best , BT_sphere , BT_box , BT_fastest }

enum	IntersectionFlags { IF_no_intersection = 0 , IF_possible = 0x01 , IF_some = 0x02 , IF_all = 0x04 , IF_dont_understand = 0x08 }

Detailed Description

An axis-aligned bounding box; that is, a minimum and maximum coordinate triple.

This box is always axis-aligned. If you need a more general bounding box, try BoundingHexahedron.

Definition at line 29 of file boundingBox.h.

Constructor & Destructor Documentation

◆ BoundingBox() [1/2]

BoundingBox::BoundingBox ( )

inline

Constructs an empty box object.

Definition at line 17 of file boundingBox.I.

Referenced by as_bounding_box().

◆ BoundingBox() [2/2]

BoundingBox::BoundingBox	(	const LPoint3 &	min,
		const LPoint3 &	max )

inlineexplicit

Constructs a specific box object.

Definition at line 24 of file boundingBox.I.

Member Function Documentation

◆ as_bounding_box()

const BoundingBox * BoundingBox::as_bounding_box ( ) const

virtual

Virtual downcast method.

Returns this object as a pointer of the indicated type, if it is in fact that type. Returns NULL if it is not that type.

Reimplemented from BoundingVolume.

Definition at line 131 of file boundingBox.cxx.

References BoundingBox().

◆ force_init_type()

virtual TypeHandle BoundingBox::force_init_type ( )

inlinevirtual

Reimplemented from FiniteBoundingVolume.

Definition at line 112 of file boundingBox.h.

◆ get_approx_center()

LPoint3 BoundingBox::get_approx_center ( ) const

virtual

Implements GeometricBoundingVolume.

Definition at line 84 of file boundingBox.cxx.

◆ get_class_type()

static TypeHandle BoundingBox::get_class_type ( )

inlinestatic

Definition at line 101 of file boundingBox.h.

◆ get_max()

LPoint3 BoundingBox::get_max ( ) const

virtual

Implements FiniteBoundingVolume.

Definition at line 60 of file boundingBox.cxx.

◆ get_maxq()

const LPoint3 & BoundingBox::get_maxq ( ) const

inline

An inline accessor for the maximum value.

get_max() would also work, but it is a virtual non-inline method.

Definition at line 51 of file boundingBox.I.

References BoundingVolume::is_empty(), and BoundingVolume::is_infinite().

◆ get_min()

LPoint3 BoundingBox::get_min ( ) const

virtual

Implements FiniteBoundingVolume.

Definition at line 50 of file boundingBox.cxx.

◆ get_minq()

const LPoint3 & BoundingBox::get_minq ( ) const

inline

An inline accessor for the minimum value.

get_min() would also work, but it is a virtual non-inline method.

Definition at line 40 of file boundingBox.I.

References BoundingVolume::is_empty(), and BoundingVolume::is_infinite().

◆ get_type()

virtual TypeHandle BoundingBox::get_type ( ) const

inlinevirtual

Reimplemented from FiniteBoundingVolume.

Definition at line 109 of file boundingBox.h.

◆ get_volume()

PN_stdfloat BoundingBox::get_volume ( ) const

virtual

Reimplemented from FiniteBoundingVolume.

Definition at line 70 of file boundingBox.cxx.

◆ init_type()

static void BoundingBox::init_type ( )

inlinestatic

Definition at line 104 of file boundingBox.h.

◆ make_copy()

BoundingVolume * BoundingBox::make_copy ( ) const

virtual

Implements BoundingVolume.

Definition at line 42 of file boundingBox.cxx.

◆ output()

void BoundingBox::output ( std::ostream & out ) const

virtual

Implements BoundingVolume.

Definition at line 116 of file boundingBox.cxx.

◆ set_min_max()

void BoundingBox::set_min_max	(	const LPoint3 &	min,
		const LPoint3 &	max )

inline

Sets the min and max point of the rectangular solid.

Definition at line 101 of file boundingBox.I.

◆ xform()

void BoundingBox::xform ( const LMatrix4 & mat )

virtual

Implements GeometricBoundingVolume.

Definition at line 94 of file boundingBox.cxx.

Friends And Related Symbol Documentation

◆ BoundingSphere

friend class BoundingSphere

friend

Definition at line 117 of file boundingBox.h.

Member Data Documentation

◆ get_num_planes

int BoundingBox::get_num_planes

inline

Returns 6: the number of faces of a rectangular solid.

Definition at line 54 of file boundingBox.h.

◆ get_num_points

int BoundingBox::get_num_points

inline

Returns 8: the number of vertices of a rectangular solid.

Definition at line 51 of file boundingBox.h.

◆ get_plane

LPlane BoundingBox::get_plane

inline

Returns the nth face of the rectangular solid.

Definition at line 54 of file boundingBox.h.

◆ get_point

LPoint3 BoundingBox::get_point

inline

Returns the nth vertex of the rectangular solid.

Definition at line 51 of file boundingBox.h.

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

panda/src/mathutil/boundingBox.h
panda/src/mathutil/boundingBox.cxx
panda/src/mathutil/boundingBox.I

Public Member Functions

Static Public Member Functions

Public Attributes

Friends

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ BoundingBox() [1/2]

◆ BoundingBox() [2/2]

Member Function Documentation

◆ as_bounding_box()

◆ force_init_type()

◆ get_approx_center()

◆ get_class_type()

◆ get_max()

◆ get_maxq()

◆ get_min()

◆ get_minq()

◆ get_type()

◆ get_volume()

◆ init_type()

◆ make_copy()

◆ output()

◆ set_min_max()

◆ xform()

Friends And Related Symbol Documentation

◆ BoundingSphere

Member Data Documentation

◆ get_num_planes

◆ get_num_points

◆ get_plane

◆ get_point