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GeometricBoundingVolume Class Referenceabstract

This is another abstract class, for a general class of bounding volumes that actually enclose points in 3-d space, such as BSP's and bounding spheres. More...

#include "geometricBoundingVolume.h"

Inheritance diagram for GeometricBoundingVolume:
BoundingVolume TypedReferenceCount TypedObject ReferenceCount MemoryBase MemoryBase BoundingLine BoundingPlane FiniteBoundingVolume IntersectionBoundingVolume OmniBoundingVolume UnionBoundingVolume BoundingBox BoundingHexahedron BoundingSphere

Public Member Functions

bool around (const GeometricBoundingVolume **first, const GeometricBoundingVolume **last)
 Resets the volume to enclose only the volumes indicated. More...
 
bool around (const LPoint3 *first, const LPoint3 *last)
 Resets the volume to enclose only the points indicated. More...
 
virtual GeometricBoundingVolumeas_geometric_bounding_volume () final
 Virtual downcast method. More...
 
virtual const GeometricBoundingVolumeas_geometric_bounding_volume () const final
 Virtual downcast method. More...
 
int contains (const GeometricBoundingVolume *vol) const
 Returns the appropriate set of IntersectionFlags to indicate the amount of intersection with the indicated volume. More...
 
int contains (const LPoint3 &point) const
 Returns the appropriate set of IntersectionFlags to indicate the amount of intersection with the indicated point. More...
 
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. More...
 
bool extend_by (const GeometricBoundingVolume *vol)
 Increases the size of the volume to include the given volume. More...
 
bool extend_by (const LPoint3 &point)
 Increases the size of the volume to include the given point. More...
 
virtual TypeHandle force_init_type ()
 
virtual LPoint3 get_approx_center () const =0
 
virtual TypeHandle get_type () const
 
virtual void xform (const LMatrix4 &mat)=0
 
- Public Member Functions inherited from BoundingVolume
bool around (const BoundingVolume **first, const BoundingVolume **last)
 Resets the volume to enclose only the volumes indicated. More...
 
virtual const BoundingBoxas_bounding_box () const
 Virtual downcast method. More...
 
virtual const BoundingHexahedronas_bounding_hexahedron () const
 Virtual downcast method. More...
 
virtual const BoundingLineas_bounding_line () const
 Virtual downcast method. More...
 
virtual const BoundingPlaneas_bounding_plane () const
 Virtual downcast method. More...
 
virtual const BoundingSphereas_bounding_sphere () const
 Virtual downcast method. More...
 
virtual const FiniteBoundingVolumeas_finite_bounding_volume () const
 Virtual downcast method. More...
 
int contains (const BoundingVolume *vol) const
 Returns the appropriate set of IntersectionFlags to indicate the amount of intersection with the indicated volume. More...
 
bool extend_by (const BoundingVolume *vol)
 Increases the size of the volume to include the given volume. More...
 
bool is_empty () const
 Any kind of volume might be empty. More...
 
bool is_infinite () const
 The other side of the empty coin is an infinite volume. More...
 
virtual BoundingVolumemake_copy () const =0
 
virtual void output (std::ostream &out) const =0
 
void set_infinite ()
 Marks the volume as infinite, even if it is normally finite. More...
 
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
 
TypedObjectas_typed_object ()
 Returns the object, upcast (if necessary) to a TypedObject pointer. More...
 
const TypedObjectas_typed_object () const
 Returns the object, upcast (if necessary) to a TypedObject pointer. More...
 
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. More...
 
bool is_exact_type (TypeHandle handle) const
 Returns true if the current object is the indicated type exactly. More...
 
bool is_of_type (TypeHandle handle) const
 Returns true if the current object is or derives from the indicated type. More...
 
TypedObjectoperator= (const TypedObject &copy)=default
 
- Public Member Functions inherited from ReferenceCount
int get_ref_count () const
 
WeakReferenceListget_weak_list () const
 Returns the WeakReferenceList associated with this ReferenceCount object. More...
 
bool has_weak_list () const
 Returns true if this particular ReferenceCount object has a WeakReferenceList created, false otherwise. More...
 
void local_object ()
 This function should be called, once, immediately after creating a new instance of some ReferenceCount-derived object on the stack. More...
 
void ref () const
 Explicitly increments the reference count. More...
 
bool ref_if_nonzero () const
 Atomically increases the reference count of this object if it is not zero. More...
 
bool test_ref_count_integrity () const
 Does some easy checks to make sure that the reference count isn't completely bogus. More...
 
bool test_ref_count_nonzero () const
 Does some easy checks to make sure that the reference count isn't zero, or completely bogus. More...
 
virtual bool unref () const
 Explicitly decrements the reference count. More...
 
WeakReferenceListweak_ref ()
 Adds the indicated PointerToVoid as a weak reference to this object. More...
 
void weak_unref ()
 Removes the indicated PointerToVoid as a weak reference to this object. More...
 

Static Public Member Functions

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. More...
 
- 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. More...
 
- Static Public Member Functions inherited from ReferenceCount
static TypeHandle get_class_type ()
 
static void init_type ()
 

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
}
 
- Public Attributes inherited from TypedObject
 get_type
 
- Public Attributes inherited from ReferenceCount
 get_ref_count
 Returns the current reference count. More...
 

Detailed Description

This is another abstract class, for a general class of bounding volumes that actually enclose points in 3-d space, such as BSP's and bounding spheres.

Definition at line 29 of file geometricBoundingVolume.h.

Member Function Documentation

◆ around() [1/2]

bool GeometricBoundingVolume::around ( const GeometricBoundingVolume **  first,
const GeometricBoundingVolume **  last 
)
inline

Resets the volume to enclose only the volumes indicated.

Definition at line 44 of file geometricBoundingVolume.I.

References BoundingVolume::around().

◆ around() [2/2]

bool GeometricBoundingVolume::around ( const LPoint3 *  first,
const LPoint3 *  last 
)
inline

Resets the volume to enclose only the points indicated.

Definition at line 54 of file geometricBoundingVolume.I.

◆ as_geometric_bounding_volume() [1/2]

GeometricBoundingVolume * GeometricBoundingVolume::as_geometric_bounding_volume ( )
finalvirtual

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 24 of file geometricBoundingVolume.cxx.

◆ as_geometric_bounding_volume() [2/2]

const GeometricBoundingVolume * GeometricBoundingVolume::as_geometric_bounding_volume ( ) const
finalvirtual

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 33 of file geometricBoundingVolume.cxx.

◆ contains() [1/3]

int GeometricBoundingVolume::contains ( const GeometricBoundingVolume vol) const
inline

Returns the appropriate set of IntersectionFlags to indicate the amount of intersection with the indicated volume.

Definition at line 68 of file geometricBoundingVolume.I.

References BoundingVolume::contains().

◆ contains() [2/3]

int GeometricBoundingVolume::contains ( const LPoint3 &  point) const
inline

Returns the appropriate set of IntersectionFlags to indicate the amount of intersection with the indicated point.

Definition at line 77 of file geometricBoundingVolume.I.

References BoundingVolume::is_empty().

◆ contains() [3/3]

int GeometricBoundingVolume::contains ( const LPoint3 &  a,
const LPoint3 &  b 
) const
inline

Returns the appropriate set of IntersectionFlags to indicate the amount of intersection with the indicated line segment.

Definition at line 90 of file geometricBoundingVolume.I.

References BoundingVolume::is_empty().

◆ extend_by() [1/2]

bool GeometricBoundingVolume::extend_by ( const GeometricBoundingVolume vol)
inline

Increases the size of the volume to include the given volume.

Definition at line 28 of file geometricBoundingVolume.I.

References BoundingVolume::extend_by().

◆ extend_by() [2/2]

bool GeometricBoundingVolume::extend_by ( const LPoint3 &  point)
inline

Increases the size of the volume to include the given point.

Definition at line 36 of file geometricBoundingVolume.I.


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