Panda3D

omniBoundingVolume.h
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1 /**
2 * PANDA 3D SOFTWARE
3 * Copyright (c) Carnegie Mellon University. All rights reserved.
4 *
5 * All use of this software is subject to the terms of the revised BSD
6 * license. You should have received a copy of this license along
7 * with this source code in a file named "LICENSE."
8 *
9 * @file omniBoundingVolume.h
10 * @author drose
11 * @date 2000-06-22
12 */
13
14 #ifndef OMNIBOUNDINGVOLUME_H
15 #define OMNIBOUNDINGVOLUME_H
16
17 #include "pandabase.h"
18
19 #include "geometricBoundingVolume.h"
20
21 /**
22 * This is a special kind of GeometricBoundingVolume that fills all of space.
23 */
24 class EXPCL_PANDA_MATHUTIL OmniBoundingVolume : public GeometricBoundingVolume {
25 PUBLISHED:
26 INLINE_MATHUTIL OmniBoundingVolume();
27
28 public:
29 virtual BoundingVolume *make_copy() const;
30
31 virtual LPoint3 get_approx_center() const;
32 virtual void xform(const LMatrix4 &mat);
33
34 virtual void output(std::ostream &out) const;
35
36 protected:
37 virtual bool extend_other(BoundingVolume *other) const;
38 virtual bool around_other(BoundingVolume *other,
39 const BoundingVolume **first,
40 const BoundingVolume **last) const;
41 virtual int contains_other(const BoundingVolume *other) const;
42
43
44 virtual bool extend_by_point(const LPoint3 &point);
45 virtual bool extend_by_sphere(const BoundingSphere *sphere);
46 virtual bool extend_by_box(const BoundingBox *box);
47 virtual bool extend_by_hexahedron(const BoundingHexahedron *hexahedron);
48
49 virtual bool around_points(const LPoint3 *first,
50 const LPoint3 *last);
51 virtual bool around_spheres(const BoundingVolume **first,
52 const BoundingVolume **last);
53 virtual bool around_boxes(const BoundingVolume **first,
54 const BoundingVolume **last);
55 virtual bool around_hexahedrons(const BoundingVolume **first,
56 const BoundingVolume **last);
57
58 virtual int contains_point(const LPoint3 &point) const;
59 virtual int contains_lineseg(const LPoint3 &a, const LPoint3 &b) const;
60 virtual int contains_hexahedron(const BoundingHexahedron *hexahedron) const;
61 virtual int contains_sphere(const BoundingSphere *sphere) const;
62 virtual int contains_box(const BoundingBox *box) const;
63
64 public:
65 static TypeHandle get_class_type() {
66 return _type_handle;
67 }
68 static void init_type() {
69 GeometricBoundingVolume::init_type();
70 register_type(_type_handle, "OmniBoundingVolume",
71 GeometricBoundingVolume::get_class_type());
72 }
73 virtual TypeHandle get_type() const {
74 return get_class_type();
75 }
76 virtual TypeHandle force_init_type() {init_type(); return get_class_type();}
77
78 private:
79 static TypeHandle _type_handle;
80
81 friend class BoundingHexahedron;
82 };
83
84 #include "omniBoundingVolume.I"
85
86 #endif
BoundingBox
An axis-aligned bounding box; that is, a minimum and maximum coordinate triple.
Definition: boundingBox.h:29
BoundingHexahedron
This defines a bounding convex hexahedron.
Definition: boundingHexahedron.h:32
BoundingSphere
This defines a bounding sphere, consisting of a center and a radius.
Definition: boundingSphere.h:25
BoundingVolume
This is an abstract class for any volume in any sense which can be said to define the locality of ref...
Definition: boundingVolume.h:41
GeometricBoundingVolume
This is another abstract class, for a general class of bounding volumes that actually enclose points ...
Definition: geometricBoundingVolume.h:29
OmniBoundingVolume
This is a special kind of GeometricBoundingVolume that fills all of space.
Definition: omniBoundingVolume.h:24
TypeHandle
TypeHandle is the identifier used to differentiate C++ class types.
Definition: typeHandle.h:81
geometricBoundingVolume.h
PANDA 3D SOFTWARE Copyright (c) Carnegie Mellon University.
omniBoundingVolume.I
PANDA 3D SOFTWARE Copyright (c) Carnegie Mellon University.
pandabase.h
PANDA 3D SOFTWARE Copyright (c) Carnegie Mellon University.
register_type
void register_type(TypeHandle &type_handle, const std::string &name)
This inline function is just a convenient way to call TypeRegistry::register_type(),...
Definition: register_type.I:22