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linearCylinderVortexForce.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 linearCylinderVortexForce.h
10 * @author charles
11 * @date 2000-07-24
12 */
13
14#ifndef LINEARCYLINDERVORTEXFORCE_H
15#define LINEARCYLINDERVORTEXFORCE_H
16
17#include "linearForce.h"
18
19/**
20 * Defines a cylinder inside of which all forces are tangential to the theta
21 * of the particle wrt the z-axis in local coord. space. This happens by
22 * assigning the force a node by which the cylinder is transformed. Be
23 * warned- this will suck anything that it can reach directly into orbit and
24 * will NOT let go.
25 */
26class EXPCL_PANDA_PHYSICS LinearCylinderVortexForce : public LinearForce {
27PUBLISHED:
28 explicit LinearCylinderVortexForce(PN_stdfloat radius = 1.0f,
29 PN_stdfloat length = 0.0f,
30 PN_stdfloat coef = 1.0f,
31 PN_stdfloat a = 1.0f,
32 bool md = false);
35
36 INLINE void set_coef(PN_stdfloat coef);
37 INLINE PN_stdfloat get_coef() const;
38
39 INLINE void set_radius(PN_stdfloat radius);
40 INLINE PN_stdfloat get_radius() const;
41
42 INLINE void set_length(PN_stdfloat length);
43 INLINE PN_stdfloat get_length() const;
44
45 virtual void output(std::ostream &out) const;
46 virtual void write(std::ostream &out, int indent=0) const;
47
48private:
49 PN_stdfloat _radius;
50 PN_stdfloat _length;
51 PN_stdfloat _coef;
52
53 virtual LinearForce *make_copy();
54 virtual LVector3 get_child_vector(const PhysicsObject *po);
55
56public:
57 static TypeHandle get_class_type() {
58 return _type_handle;
59 }
60 static void init_type() {
61 LinearForce::init_type();
62 register_type(_type_handle, "LinearCylinderVortexForce",
63 LinearForce::get_class_type());
64 }
65 virtual TypeHandle get_type() const {
66 return get_class_type();
67 }
68 virtual TypeHandle force_init_type() {init_type(); return get_class_type();}
69
70private:
71 static TypeHandle _type_handle;
72};
73
75
76#endif // LINEARCYLINDERVORTEXFORCE_H
Defines a cylinder inside of which all forces are tangential to the theta of the particle wrt the z-a...
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 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(),...