Panda3D
Loading...
Searching...
No Matches
linearFrictionForce.h
Go to the documentation of this file.
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 linearFrictionForce.h
10 * @author charles
11 * @date 2000-06-23
12 */
13
14#ifndef LINEARFRICTIONFORCE_H
15#define LINEARFRICTIONFORCE_H
16
17#include "linearForce.h"
18
19/**
20 * Friction-based drag force
21 */
22class EXPCL_PANDA_PHYSICS LinearFrictionForce : public LinearForce {
23PUBLISHED:
24 explicit LinearFrictionForce(PN_stdfloat coef = 1.0f, PN_stdfloat a = 1.0f, bool m = false);
26 virtual ~LinearFrictionForce();
27
28 INLINE void set_coef(PN_stdfloat coef);
29 INLINE PN_stdfloat get_coef() const;
30
31 virtual void output(std::ostream &out) const;
32 virtual void write(std::ostream &out, int indent=0) const;
33
34private:
35 PN_stdfloat _coef;
36
37 virtual LinearForce *make_copy();
38 virtual LVector3 get_child_vector(const PhysicsObject *);
39
40public:
41 static TypeHandle get_class_type() {
42 return _type_handle;
43 }
44 static void init_type() {
45 LinearForce::init_type();
46 register_type(_type_handle, "LinearFrictionForce",
47 LinearForce::get_class_type());
48 }
49 virtual TypeHandle get_type() const {
50 return get_class_type();
51 }
52 virtual TypeHandle force_init_type() {init_type(); return get_class_type();}
53
54private:
55 static TypeHandle _type_handle;
56};
57
58#include "linearFrictionForce.I"
59
60#endif // LINEARFRICTIONFORCE_H
A force that acts on a PhysicsObject by way of an Integrator.
Definition linearForce.h:23
virtual void write(std::ostream &out, int indent=0) const
Write a string representation of this instance to <out>.
virtual void output(std::ostream &out) const
Write a string representation of this instance to <out>.
Friction-based drag force.
A body on which physics will be applied.
TypeHandle is the identifier used to differentiate C++ class types.
Definition typeHandle.h:81
std::ostream & indent(std::ostream &out, int indent_level)
A handy function for doing text formatting.
Definition indent.cxx:20
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(),...