This defines a bounding sphere, consisting of a center and a radius. More...

#include "boundingSphere.h"

Inheritance diagram for BoundingSphere:

Public Member Functions
	BoundingSphere ()
	Constructs an empty sphere.

	BoundingSphere (const LPoint3 &center, PN_stdfloat radius)
	Constructs a specific sphere.

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

virtual TypeHandle	force_init_type ()

virtual LPoint3	get_approx_center () const

LPoint3	get_center () const

virtual LPoint3	get_max () const

virtual LPoint3	get_min () const

PN_stdfloat	get_radius () 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_center (const LPoint3 &center)

void	set_radius (PN_stdfloat radius)

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 BoundingBox *	as_bounding_box () const
	Virtual downcast method.

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.

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_center

	get_radius

	set_center
	Sets the center point of the sphere.

	set_radius
	Sets the radius of the sphere.

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	BoundingHexahedron

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

This defines a bounding sphere, consisting of a center and a radius.

It is always a sphere, and never an ellipsoid or other quadric.

Definition at line 25 of file boundingSphere.h.

Constructor & Destructor Documentation

◆ BoundingSphere() [1/2]

BoundingSphere::BoundingSphere ( )

inline

Constructs an empty sphere.

Definition at line 17 of file boundingSphere.I.

Referenced by as_bounding_sphere().

◆ BoundingSphere() [2/2]

BoundingSphere::BoundingSphere	(	const LPoint3 &	center,
		PN_stdfloat	radius )

inlineexplicit

Constructs a specific sphere.

Definition at line 24 of file boundingSphere.I.

Member Function Documentation

◆ as_bounding_sphere()

const BoundingSphere * BoundingSphere::as_bounding_sphere ( ) 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 140 of file boundingSphere.cxx.

References BoundingSphere().

◆ force_init_type()

virtual TypeHandle BoundingSphere::force_init_type ( )

inlinevirtual

Reimplemented from FiniteBoundingVolume.

Definition at line 100 of file boundingSphere.h.

◆ get_approx_center()

LPoint3 BoundingSphere::get_approx_center ( ) const

virtual

Implements GeometricBoundingVolume.

Definition at line 79 of file boundingSphere.cxx.

◆ get_class_type()

static TypeHandle BoundingSphere::get_class_type ( )

inlinestatic

Definition at line 89 of file boundingSphere.h.

◆ get_max()

LPoint3 BoundingSphere::get_max ( ) const

virtual

Implements FiniteBoundingVolume.

Definition at line 53 of file boundingSphere.cxx.

◆ get_min()

LPoint3 BoundingSphere::get_min ( ) const

virtual

Implements FiniteBoundingVolume.

Definition at line 41 of file boundingSphere.cxx.

◆ get_type()

virtual TypeHandle BoundingSphere::get_type ( ) const

inlinevirtual

Reimplemented from FiniteBoundingVolume.

Definition at line 97 of file boundingSphere.h.

◆ get_volume()

PN_stdfloat BoundingSphere::get_volume ( ) const

virtual

Reimplemented from FiniteBoundingVolume.

Definition at line 65 of file boundingSphere.cxx.

◆ init_type()

static void BoundingSphere::init_type ( )

inlinestatic

Definition at line 92 of file boundingSphere.h.

◆ make_copy()

BoundingVolume * BoundingSphere::make_copy ( ) const

virtual

Implements BoundingVolume.

Definition at line 33 of file boundingSphere.cxx.

◆ output()

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

virtual

Implements BoundingVolume.

Definition at line 125 of file boundingSphere.cxx.

◆ xform()

void BoundingSphere::xform ( const LMatrix4 & mat )

virtual

Implements GeometricBoundingVolume.

Definition at line 89 of file boundingSphere.cxx.

Friends And Related Symbol Documentation

◆ BoundingHexahedron

friend class BoundingHexahedron

friend

Definition at line 105 of file boundingSphere.h.

Member Data Documentation

◆ get_center

LPoint3 BoundingSphere::get_center

inline

Definition at line 50 of file boundingSphere.h.

◆ get_radius

PN_stdfloat BoundingSphere::get_radius

inline

Definition at line 51 of file boundingSphere.h.

◆ set_center

void BoundingSphere::set_center

inline

Sets the center point of the sphere.

Definition at line 50 of file boundingSphere.h.

◆ set_radius

void BoundingSphere::set_radius

inline

Sets the radius of the sphere.

Definition at line 51 of file boundingSphere.h.

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

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

Public Member Functions

Static Public Member Functions

Public Attributes

Friends

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ BoundingSphere() [1/2]

◆ BoundingSphere() [2/2]

Member Function Documentation

◆ as_bounding_sphere()

◆ force_init_type()

◆ get_approx_center()

◆ get_class_type()

◆ get_max()

◆ get_min()

◆ get_type()

◆ get_volume()

◆ init_type()

◆ make_copy()

◆ output()

◆ xform()

Friends And Related Symbol Documentation

◆ BoundingHexahedron

Member Data Documentation

◆ get_center

◆ get_radius

◆ set_center

◆ set_radius