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SoTimeCounter.h

00001 /**************************************************************************\ 00002 * 00003 * This file is part of the Coin 3D visualization library. 00004 * Copyright (C) 1998-2003 by Systems in Motion. All rights reserved. 00005 * 00006 * This library is free software; you can redistribute it and/or 00007 * modify it under the terms of the GNU Lesser General Public License 00008 * version 2.1 as published by the Free Software Foundation. See the 00009 * file LICENSE.LGPL at the root directory of the distribution for 00010 * more details. 00011 * 00012 * If you want to use Coin for applications not compatible with the 00013 * LGPL, please contact SIM to acquire a Professional Edition license. 00014 * 00015 * Systems in Motion, Teknobyen, Abels Gate 5, 7030 Trondheim, NORWAY 00016 * http://www.sim.no support@sim.no Voice: +47 22114160 Fax: +47 22207097 00017 * 00018 \**************************************************************************/ 00019 00020 #ifndef COIN_SOTIMECOUNTER_H 00021 #define COIN_SOTIMECOUNTER_H 00022 00023 #include <Inventor/engines/SoSubEngine.h> 00024 #include <Inventor/engines/SoEngineOutput.h> 00025 #include <Inventor/fields/SoSFTime.h> 00026 #include <Inventor/fields/SoSFFloat.h> 00027 #include <Inventor/fields/SoMFFloat.h> 00028 #include <Inventor/fields/SoSFBool.h> 00029 #include <Inventor/fields/SoSFTrigger.h> 00030 #include <Inventor/fields/SoSFShort.h> 00031 00032 class COIN_DLL_API SoTimeCounter : public SoEngine { 00033 typedef SoEngine inherited; 00034 SO_ENGINE_HEADER(SoTimeCounter); 00035 00036 public: 00037 SoSFTime timeIn; 00038 SoSFShort min; 00039 SoSFShort max; 00040 SoSFShort step; 00041 SoSFBool on; 00042 SoSFFloat frequency; 00043 SoMFFloat duty; 00044 SoSFShort reset; 00045 SoSFTrigger syncIn; 00046 00047 SoEngineOutput output; // SoSFShort 00048 SoEngineOutput syncOut; // SoSFTrigger 00049 00050 SoTimeCounter(); 00051 static void initClass(); 00052 00053 protected: 00054 virtual ~SoTimeCounter(); 00055 00056 virtual void inputChanged(SoField * which); 00057 virtual void writeInstance(SoOutput * out); 00058 00059 private: 00060 virtual void evaluate(void); 00061 void calcStarttime(short value); 00062 00063 SbBool ispaused; 00064 double pausetimeincycle; 00065 SbBool firstoutputenable; 00066 short outputvalue; 00067 int numsteps; 00068 int stepnum; 00069 double starttime; 00070 double cyclelen; 00071 short findOutputValue(double timeincycle) const; 00072 void calcDutySteps(void); 00073 void calcNumSteps(void); 00074 00075 SbList <double> dutylimits; 00076 }; 00077 00078 #endif // !COIN_SOTIMECOUNTER_H

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