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collisionParabola.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 collisionParabola.h
10 * @author drose
11 * @date 2007-10-11
12 */
13
14#ifndef COLLISIONPARABOLA_H
15#define COLLISIONPARABOLA_H
16
17#include "pandabase.h"
18
19#include "collisionSolid.h"
20#include "parabola.h"
21
22class LensNode;
23
24/**
25 * This defines a parabolic arc, or subset of an arc, similar to the path of a
26 * projectile or falling object. It is finite, having a specific beginning
27 * and end, but it is infinitely thin.
28 *
29 * Think of it as a wire bending from point t1 to point t2 along the path of a
30 * pre-defined parabola.
31 */
32class EXPCL_PANDA_COLLIDE CollisionParabola : public CollisionSolid {
33PUBLISHED:
34 INLINE CollisionParabola();
35 INLINE explicit CollisionParabola(const LParabola &parabola, PN_stdfloat t1, PN_stdfloat t2);
36
37 virtual LPoint3 get_collision_origin() const;
38
39public:
40 INLINE CollisionParabola(const CollisionParabola &copy);
41 virtual CollisionSolid *make_copy();
42
43 virtual PT(CollisionEntry)
44 test_intersection(const CollisionEntry &entry) const;
45
46 virtual void xform(const LMatrix4 &mat);
47
48 virtual PStatCollector &get_volume_pcollector();
50
51 virtual void output(std::ostream &out) const;
52
53PUBLISHED:
54 INLINE void set_parabola(const LParabola &parabola);
55 INLINE const LParabola &get_parabola() const;
56
57 INLINE void set_t1(PN_stdfloat t1);
58 INLINE PN_stdfloat get_t1() const;
59
60 INLINE void set_t2(PN_stdfloat t2);
61 INLINE PN_stdfloat get_t2() const;
62
63PUBLISHED:
64 MAKE_PROPERTY(parabola, get_parabola, set_parabola);
65 MAKE_PROPERTY(t1, get_t1, set_t1);
66 MAKE_PROPERTY(t2, get_t2, set_t2);
67
68protected:
69 virtual PT(BoundingVolume) compute_internal_bounds() const;
70
71protected:
72 virtual void fill_viz_geom();
73
74private:
75 LParabola _parabola;
76 PN_stdfloat _t1, _t2;
77
78 static PStatCollector _volume_pcollector;
79 static PStatCollector _test_pcollector;
80
81public:
82 static void register_with_read_factory();
83 virtual void write_datagram(BamWriter *manager, Datagram &dg);
84
85protected:
86 static TypedWritable *make_from_bam(const FactoryParams &params);
87 void fillin(DatagramIterator &scan, BamReader *manager);
88
89public:
90 static TypeHandle get_class_type() {
91 return _type_handle;
92 }
93 static void init_type() {
94 CollisionSolid::init_type();
95 register_type(_type_handle, "CollisionParabola",
96 CollisionSolid::get_class_type());
97 }
98 virtual TypeHandle get_type() const {
99 return get_class_type();
100 }
101 virtual TypeHandle force_init_type() {init_type(); return get_class_type();}
102
103private:
104 static TypeHandle _type_handle;
105};
106
107#include "collisionParabola.I"
108
109#endif
This is the fundamental interface for extracting binary objects from a Bam file, as generated by a Ba...
Definition bamReader.h:110
This is the fundamental interface for writing binary objects to a Bam file, to be extracted later by ...
Definition bamWriter.h:63
This is an abstract class for any volume in any sense which can be said to define the locality of ref...
Defines a single collision event.
This defines a parabolic arc, or subset of an arc, similar to the path of a projectile or falling obj...
The abstract base class for all things that can collide with other things in the world,...
virtual void write_datagram(BamWriter *manager, Datagram &me)
Function to write the important information in the particular object to a Datagram.
virtual PStatCollector & get_test_pcollector()
Returns a PStatCollector that is used to count the number of intersection tests made against a solid ...
A class to retrieve the individual data elements previously stored in a Datagram.
An ordered list of data elements, formatted in memory for transmission over a socket or writing to a ...
Definition datagram.h:38
An instance of this class is passed to the Factory when requesting it to do its business and construc...
A node that contains a Lens.
Definition lensNode.h:29
A lightweight class that represents a single element that may be timed and/or counted via stats.
TypeHandle is the identifier used to differentiate C++ class types.
Definition typeHandle.h:81
Base class for objects that can be written to and read from Bam files.
PANDA 3D SOFTWARE Copyright (c) Carnegie Mellon University.
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(),...