Panda3D
boundingPlane.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 boundingPlane.h
10 * @author drose
11 * @date 2005-08-19
12 */
13
14#ifndef BOUNDINGPLANE_H
15#define BOUNDINGPLANE_H
16
17#include "pandabase.h"
18
20#include "plane.h"
21
22/**
23 * This funny bounding volume is an infinite plane that divides space into two
24 * regions: the part behind the normal, which is "inside" the bounding volume,
25 * and the part in front of the normal, which is "outside" the bounding
26 * volume.
27 */
28class EXPCL_PANDA_MATHUTIL BoundingPlane : public GeometricBoundingVolume {
29PUBLISHED:
30 INLINE_MATHUTIL BoundingPlane();
31 INLINE_MATHUTIL BoundingPlane(const LPlane &plane);
32 ALLOC_DELETED_CHAIN(BoundingPlane);
33
34public:
35 virtual BoundingVolume *make_copy() const;
36
37 virtual LPoint3 get_approx_center() const;
38 virtual void xform(const LMatrix4 &mat);
39
40 virtual void output(std::ostream &out) const;
41
42PUBLISHED:
43 INLINE_MATHUTIL const LPlane &get_plane() const;
44
45 MAKE_PROPERTY(plane, get_plane);
46
47public:
48 virtual const BoundingPlane *as_bounding_plane() const;
49
50protected:
51 virtual bool extend_other(BoundingVolume *other) const;
52 virtual bool around_other(BoundingVolume *other,
53 const BoundingVolume **first,
54 const BoundingVolume **last) const;
55 virtual int contains_other(const BoundingVolume *other) const;
56
57 virtual bool extend_by_plane(const BoundingPlane *plane);
58
59 virtual int contains_sphere(const BoundingSphere *sphere) const;
60 virtual int contains_box(const BoundingBox *box) const;
61 virtual int contains_line(const BoundingLine *line) const;
62 virtual int contains_plane(const BoundingPlane *plane) const;
63 virtual int contains_hexahedron(const BoundingHexahedron *hexahedron) const;
64
65private:
66 LPlane _plane;
67
68public:
69 static TypeHandle get_class_type() {
70 return _type_handle;
71 }
72 static void init_type() {
73 GeometricBoundingVolume::init_type();
74 register_type(_type_handle, "BoundingPlane",
75 GeometricBoundingVolume::get_class_type());
76 }
77 virtual TypeHandle get_type() const {
78 return get_class_type();
79 }
80 virtual TypeHandle force_init_type() {init_type(); return get_class_type();}
81
82private:
83 static TypeHandle _type_handle;
84
85 friend class BoundingSphere;
86 friend class BoundingBox;
87 friend class BoundingHexahedron;
88};
89
90#include "boundingPlane.I"
91
92#endif
PANDA 3D SOFTWARE Copyright (c) Carnegie Mellon University.
An axis-aligned bounding box; that is, a minimum and maximum coordinate triple.
Definition: boundingBox.h:29
This defines a bounding convex hexahedron.
This funny bounding volume is an infinite line with no thickness and extending to infinity in both di...
Definition: boundingLine.h:29
This funny bounding volume is an infinite plane that divides space into two regions: the part behind ...
Definition: boundingPlane.h:28
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...
virtual const BoundingPlane * as_bounding_plane() const
Virtual downcast method.
This is another abstract class, for a general class of bounding volumes that actually enclose points ...
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