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linearUserDefinedForce.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 linearUserDefinedForce.h
10 * @author charles
11 * @date 2000-07-31
12 */
13
14#ifndef LINEARUSERDEFINEDFORCE_H
15#define LINEARUSERDEFINEDFORCE_H
16
17#include "linearForce.h"
18
19/**
20 * A programmable force that takes an evaluator function.
21 */
22class EXPCL_PANDA_PHYSICS LinearUserDefinedForce : public LinearForce {
23PUBLISHED:
24 explicit LinearUserDefinedForce(LVector3 (*proc)(const PhysicsObject *) = nullptr,
25 PN_stdfloat a = 1.0f, bool md = false);
28
29 INLINE void set_proc(LVector3 (*proc)(const PhysicsObject *));
30
31 virtual void output(std::ostream &out) const;
32 virtual void write(std::ostream &out, int indent=0) const;
33
34private:
35 LVector3 (*_proc)(const PhysicsObject *po);
36
37 virtual LVector3 get_child_vector(const PhysicsObject *po);
38 virtual LinearForce *make_copy();
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, "LinearUserDefinedForce",
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
59
60#endif // LINEARUSERDEFINEDFORCE_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>.
A programmable force that takes an evaluator function.
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(),...