Open Inventor Release 2024.2.0
 
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SoPendulum.h
1/*=======================================================================
2 * Copyright 1991-1996, Silicon Graphics, Inc.
3 * ALL RIGHTS RESERVED
4 *
5 * UNPUBLISHED -- Rights reserved under the copyright laws of the United
6 * States. Use of a copyright notice is precautionary only and does not
7 * imply publication or disclosure.
8 *
9 * U.S. GOVERNMENT RESTRICTED RIGHTS LEGEND:
10 * Use, duplication or disclosure by the Government is subject to restrictions
11 * as set forth in FAR 52.227.19(c)(2) or subparagraph (c)(1)(ii) of the Rights
12 * in Technical Data and Computer Software clause at DFARS 252.227-7013 and/or
13 * in similar or successor clauses in the FAR, or the DOD or NASA FAR
14 * Supplement. Contractor/manufacturer is Silicon Graphics, Inc.,
15 * 2011 N. Shoreline Blvd. Mountain View, CA 94039-7311.
16 *
17 * THE CONTENT OF THIS WORK CONTAINS CONFIDENTIAL AND PROPRIETARY
18 * INFORMATION OF SILICON GRAPHICS, INC. ANY DUPLICATION, MODIFICATION,
19 * DISTRIBUTION, OR DISCLOSURE IN ANY FORM, IN WHOLE, OR IN PART, IS STRICTLY
20 * PROHIBITED WITHOUT THE PRIOR EXPRESS WRITTEN PERMISSION OF SILICON
21 * GRAPHICS, INC.
22**=======================================================================*/
23/*=======================================================================
24** Author : Ronen Barzel (MMM yyyy)
25**=======================================================================*/
26/*=======================================================================
27 *** THE CONTENT OF THIS WORK IS PROPRIETARY TO FEI S.A.S, (FEI S.A.S.), ***
28 *** AND IS DISTRIBUTED UNDER A LICENSE AGREEMENT. ***
29 *** ***
30 *** REPRODUCTION, DISCLOSURE, OR USE, IN WHOLE OR IN PART, OTHER THAN AS ***
31 *** SPECIFIED IN THE LICENSE ARE NOT TO BE UNDERTAKEN EXCEPT WITH PRIOR ***
32 *** WRITTEN AUTHORIZATION OF FEI S.A.S. ***
33 *** ***
34 *** RESTRICTED RIGHTS LEGEND ***
35 *** USE, DUPLICATION, OR DISCLOSURE BY THE GOVERNMENT OF THE CONTENT OF THIS ***
36 *** WORK OR RELATED DOCUMENTATION IS SUBJECT TO RESTRICTIONS AS SET FORTH IN ***
37 *** SUBPARAGRAPH (C)(1) OF THE COMMERCIAL COMPUTER SOFTWARE RESTRICTED RIGHT ***
38 *** CLAUSE AT FAR 52.227-19 OR SUBPARAGRAPH (C)(1)(II) OF THE RIGHTS IN ***
39 *** TECHNICAL DATA AND COMPUTER SOFTWARE CLAUSE AT DFARS 52.227-7013. ***
40 *** ***
41 *** COPYRIGHT (C) 1996-2014 BY FEI S.A.S, ***
42 *** BORDEAUX, FRANCE ***
43 *** ALL RIGHTS RESERVED ***
44**=======================================================================*/
45/*=======================================================================
46** Modified by : VSG (MMM YYYY)
47**=======================================================================*/
48
49
50#ifndef _SO_PENDULUM_
51#define _SO_PENDULUM_
52
53#include <Inventor/nodes/SoRotation.h>
54#include <Inventor/fields/SoSFFloat.h>
55#include <Inventor/fields/SoSFBool.h>
56
57#include <Inventor/sensors/SoOneShotSensor.h>
58#include <Inventor/engines/SoElapsedTime.h>
59#include <Inventor/engines/SoCalculator.h>
60#include <Inventor/engines/SoInterpolate.h>
61#include <Inventor/sensors/SoFieldSensor.h>
62
63
65//
66// Class: SoPendulum
67//
68// SoRotation node oscillates between two rotations
69//
71
111class SoPendulum : public SoRotation {
112
113 SO_NODE_HEADER(SoPendulum);
114
115 public:
116 // Fields
139
144
145 private:
146 // overload write method not to write internal engines
147 virtual void write(class SoWriteAction *action);
148
149 private:
150 static void initClass();
151 static void exitClass();
152
153 // overload notify method to check for field updates
154 virtual void notify(SoNotList *list);
155
156 private:
157 virtual ~SoPendulum();
158
159 private:
160 // internal engines to compute the rotation
161 class SoElapsedTime *time;
162 class SoCalculator *calc;
163 class SoInterpolateRotation *interp;
164
165 // keep track of internal connection
166 class SoEngineOutput *internalConnection;
167
168 class SoOneShotSensor *rotationSensor;
169 class SoFieldSensor *rotation0Sensor;
170 class SoFieldSensor *rotation1Sensor;
171 class SoFieldSensor *onSensor;
172
173 static void rotationSensorCB(void *data, class SoSensor *sensor);
174 static void onSensorCB(void *data, class SoSensor *sensor);
175};
176
177#endif /* _SO_PENDULUM_ */
178
A general-purpose calculator.
Basic controllable time source.
Class for all engine outputs.
Definition SoEngine.h:279
Sensor class that can be attached to Open Inventor fields.
Interpolates rotation values.
Sensor for one-time only callbacks.
Animated oscillating rotation node.
Definition SoPendulum.h:111
SoSFFloat speed
Defines the speed of the pendulum, in cycles per second.
Definition SoPendulum.h:133
SoSFRotation rotation0
Defines the first of the two fixed rotations that are interpolated to create the pendular motion.
Definition SoPendulum.h:122
SoPendulum()
Creates a pendulum node with default settings.
SoSFRotation rotation1
Defines the second of the two fixed rotations that are interpolated to create the pendular motion.
Definition SoPendulum.h:128
SoSFBool on
Allows applications to enable or disable the motion easily.
Definition SoPendulum.h:138
Node representing a 3D rotation about an arbitrary axis.
Definition SoRotation.h:98
Field containing a single Boolean value.
Definition SoSFBool.h:79
Field containing a floating-point value.
Definition SoSFFloat.h:78
Field containing a rotation.
Abstract base class for Open Inventor sensors.
Definition SoSensor.h:100
Writes a scene graph to a file.