This defines a bounding convex hexahedron. More...
#include "boundingHexahedron.h"
Public Member Functions | |
BoundingHexahedron (const LFrustum &frustum, bool is_ortho, CoordinateSystem cs=CS_default) | |
BoundingHexahedron (const LPoint3 &fll, const LPoint3 &flr, const LPoint3 &fur, const LPoint3 &ful, const LPoint3 &nll, const LPoint3 &nlr, const LPoint3 &nur, const LPoint3 &nul) | |
virtual const BoundingHexahedron * | as_bounding_hexahedron () const |
Virtual downcast method. More... | |
virtual TypeHandle | force_init_type () |
virtual LPoint3 | get_approx_center () const |
virtual LPoint3 | get_max () const |
virtual LPoint3 | get_min () const |
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 BoundingVolume * | make_copy () const |
virtual void | output (std::ostream &out) const |
virtual void | write (std::ostream &out, int indent_level=0) const |
virtual void | xform (const LMatrix4 &mat) |
Public Member Functions inherited from FiniteBoundingVolume | |
virtual const FiniteBoundingVolume * | as_finite_bounding_volume () const |
Virtual downcast method. More... | |
virtual PN_stdfloat | get_volume () const |
Public Member Functions inherited from GeometricBoundingVolume | |
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 GeometricBoundingVolume * | as_geometric_bounding_volume () final |
Virtual downcast method. More... | |
virtual const GeometricBoundingVolume * | as_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... | |
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 BoundingBox * | as_bounding_box () const |
Virtual downcast method. More... | |
virtual const BoundingLine * | as_bounding_line () const |
Virtual downcast method. More... | |
virtual const BoundingPlane * | as_bounding_plane () const |
Virtual downcast method. More... | |
virtual const BoundingSphere * | as_bounding_sphere () 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... | |
void | set_infinite () |
Marks the volume as infinite, even if it is normally finite. More... | |
Public Member Functions inherited from TypedReferenceCount | |
TypedReferenceCount (const TypedReferenceCount ©) | |
void | operator= (const TypedReferenceCount ©) |
Public Member Functions inherited from TypedObject | |
TypedObject (const TypedObject ©)=default | |
TypedObject * | as_typed_object () |
Returns the object, upcast (if necessary) to a TypedObject pointer. More... | |
const TypedObject * | as_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... | |
TypedObject & | operator= (const TypedObject ©)=default |
Public Member Functions inherited from ReferenceCount | |
int | get_ref_count () const |
WeakReferenceList * | get_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... | |
WeakReferenceList * | weak_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 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. 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 () |
Public Attributes | |
get_num_planes | |
Returns 6: the number of faces of a hexahedron. More... | |
get_num_points | |
Returns 8: the number of vertices of a hexahedron. More... | |
get_plane | |
Returns the nth face of the hexahedron. More... | |
get_point | |
Returns the nth vertex of the hexahedron. More... | |
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. More... | |
Friends | |
class | BoundingBox |
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 } |
This defines a bounding convex hexahedron.
It is typically used to represent a frustum, but may represent any enclosing convex hexahedron, including simple boxes. However, if all you want is an axis-aligned bounding box, you may be better off with the simpler BoundingBox class.
Definition at line 32 of file boundingHexahedron.h.
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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 193 of file boundingHexahedron.cxx.
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inline |
Returns 6: the number of faces of a hexahedron.
Definition at line 63 of file boundingHexahedron.h.
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inline |
Returns 8: the number of vertices of a hexahedron.
Definition at line 60 of file boundingHexahedron.h.
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inline |
Returns the nth face of the hexahedron.
Definition at line 63 of file boundingHexahedron.h.
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inline |
Returns the nth vertex of the hexahedron.
Definition at line 60 of file boundingHexahedron.h.
Referenced by PortalClipper::draw_hexahedron().