Panda3D
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collisionHandlerFloor.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 collisionHandlerFloor.h
10 * @author drose
11 * @date 2002-03-16
12 */
13
14#ifndef COLLISIONHANDLERFLOOR_H
15#define COLLISIONHANDLERFLOOR_H
16
17#include "pandabase.h"
18
20
21/**
22 * A specialized kind of CollisionHandler that sets the Z height of the
23 * collider to a fixed linear offset from the highest detected collision point
24 * each frame. It's intended to implement walking around on a floor of
25 * varying height by casting a ray down from the avatar's head.
26 */
27class EXPCL_PANDA_COLLIDE CollisionHandlerFloor : public CollisionHandlerPhysical {
28PUBLISHED:
30 virtual ~CollisionHandlerFloor();
31
32 INLINE void set_offset(PN_stdfloat offset);
33 INLINE PN_stdfloat get_offset() const;
34
35 INLINE void set_reach(PN_stdfloat reach);
36 INLINE PN_stdfloat get_reach() const;
37
38 INLINE void set_max_velocity(PN_stdfloat max_vel);
39 INLINE PN_stdfloat get_max_velocity() const;
40
41PUBLISHED:
42 MAKE_PROPERTY(offset, get_offset, set_offset);
43 MAKE_PROPERTY(reach, get_reach, set_reach);
44 MAKE_PROPERTY(max_velocity, get_max_velocity, set_max_velocity);
45
46 void write_datagram(Datagram &destination) const;
47 void read_datagram(DatagramIterator &source);
48
49protected:
50 PN_stdfloat set_highest_collision(const NodePath &target_node_path, const NodePath &from_node_path, const Entries &entries);
51 virtual bool handle_entries();
52 virtual void apply_linear_force(ColliderDef &def, const LVector3 &force);
53
54private:
55 PN_stdfloat _offset;
56 PN_stdfloat _reach;
57 PN_stdfloat _max_velocity;
58
59
60public:
61 static TypeHandle get_class_type() {
62 return _type_handle;
63 }
64 static void init_type() {
65 CollisionHandlerPhysical::init_type();
66 register_type(_type_handle, "CollisionHandlerFloor",
67 CollisionHandlerPhysical::get_class_type());
68 }
69 virtual TypeHandle get_type() const {
70 return get_class_type();
71 }
72 virtual TypeHandle force_init_type() {init_type(); return get_class_type();}
73
74private:
75 static TypeHandle _type_handle;
76};
77
79
80#endif
void read_datagram(DatagramIterator &source)
Restores the object state from the given datagram, previously obtained using __getstate__.
void write_datagram(Datagram &destination) const
Serializes this object, to implement pickle support.
A specialized kind of CollisionHandler that sets the Z height of the collider to a fixed linear offse...
The abstract base class for a number of CollisionHandlers that have some physical effect on their mov...
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
NodePath is the fundamental system for disambiguating instances, and also provides a higher-level int...
Definition nodePath.h:159
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(),...