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 
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
An axis-aligned bounding box; that is, a minimum and maximum coordinate triple.
Definition: boundingBox.h:29
This defines a bounding convex hexahedron.
This defines a bounding sphere, consisting of a center and a radius.
This is an abstract class for any volume in any sense which can be said to define the locality of ref...
This is another abstract class, for a general class of bounding volumes that actually enclose points ...
This is a special kind of GeometricBoundingVolume that fills all of space.
TypeHandle is the identifier used to differentiate C++ class types.
Definition: typeHandle.h:81
PANDA 3D SOFTWARE Copyright (c) Carnegie Mellon University.
PANDA 3D SOFTWARE Copyright (c) Carnegie Mellon University.
PANDA 3D SOFTWARE Copyright (c) Carnegie Mellon University.
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