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cConstrainPosInterval.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 cConstrainPosInterval.h
10 * @author pratt
11 * @date 2006-09-29
12 */
13
14#ifndef CCONSTRAINPOSINTERVAL_H
15#define CCONSTRAINPOSINTERVAL_H
16
17#include "directbase.h"
18#include "cConstraintInterval.h"
19#include "nodePath.h"
20#include "lvecBase3.h"
21
22/**
23 * A constraint interval that will constrain the position of one node to the
24 * position of another.
25 */
26class EXPCL_DIRECT_INTERVAL CConstrainPosInterval : public CConstraintInterval {
27PUBLISHED:
28 explicit CConstrainPosInterval(const std::string &name, double duration,
29 const NodePath &node, const NodePath &target,
30 bool wrt, const LVecBase3 posOffset=LVector3::zero());
31
32 INLINE const NodePath &get_node() const;
33 INLINE const NodePath &get_target() const;
34
35 virtual void priv_step(double t);
36 virtual void output(std::ostream &out) const;
37
38private:
39 NodePath _node;
40 NodePath _target;
41 bool _wrt;
42 LVecBase3 _posOffset;
43
44public:
45 static TypeHandle get_class_type() {
46 return _type_handle;
47 }
48 static void init_type() {
49 CConstraintInterval::init_type();
50 register_type(_type_handle, "CConstrainPosInterval",
51 CConstraintInterval::get_class_type());
52 }
53 virtual TypeHandle get_type() const {
54 return get_class_type();
55 }
56 virtual TypeHandle force_init_type() {init_type(); return get_class_type();}
57
58private:
59 static TypeHandle _type_handle;
60};
61
63
64#endif
PANDA 3D SOFTWARE Copyright (c) Carnegie Mellon University.
PANDA 3D SOFTWARE Copyright (c) Carnegie Mellon University.
A constraint interval that will constrain the position of one node to the position of another.
The base class for a family of intervals that constrain some property to a value over time.
virtual void priv_step(double t)
Advances the time on the interval.
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(),...