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SoTimeCounter.h

00001 /**************************************************************************\
00002  *
00003  *  This file is part of the Coin 3D visualization library.
00004  *  Copyright (C) 1998-2007 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 General Public License
00008  *  ("GPL") version 2 as published by the Free Software Foundation.
00009  *  See the file LICENSE.GPL at the root directory of this source
00010  *  distribution for additional information about the GNU GPL.
00011  *
00012  *  For using Coin with software that can not be combined with the GNU
00013  *  GPL, and for taking advantage of the additional benefits of our
00014  *  support services, please contact Systems in Motion about acquiring
00015  *  a Coin Professional Edition License.
00016  *
00017  *  See http://www.coin3d.org/ for more information.
00018  *
00019  *  Systems in Motion, Postboks 1283, Pirsenteret, 7462 Trondheim, NORWAY.
00020  *  http://www.sim.no/  sales@sim.no  coin-support@coin3d.org
00021  *
00022 \**************************************************************************/
00023 
00024 #ifndef COIN_SOTIMECOUNTER_H
00025 #define COIN_SOTIMECOUNTER_H
00026 
00027 #include <Inventor/engines/SoSubEngine.h>
00028 #include <Inventor/engines/SoEngineOutput.h>
00029 #include <Inventor/fields/SoSFTime.h>
00030 #include <Inventor/fields/SoSFFloat.h>
00031 #include <Inventor/fields/SoMFFloat.h>
00032 #include <Inventor/fields/SoSFBool.h>
00033 #include <Inventor/fields/SoSFTrigger.h>
00034 #include <Inventor/fields/SoSFShort.h>
00035 
00036 class COIN_DLL_API SoTimeCounter : public SoEngine {
00037   typedef SoEngine inherited;
00038   SO_ENGINE_HEADER(SoTimeCounter);
00039 
00040 public:
00041   SoSFTime timeIn;
00042   SoSFShort min;
00043   SoSFShort max;
00044   SoSFShort step;
00045   SoSFBool on;
00046   SoSFFloat frequency;
00047   SoMFFloat duty;
00048   SoSFShort reset;
00049   SoSFTrigger syncIn;
00050 
00051   SoEngineOutput output;  // SoSFShort
00052   SoEngineOutput syncOut; // SoSFTrigger
00053 
00054   SoTimeCounter();
00055   static void initClass();
00056 
00057 protected:
00058   virtual ~SoTimeCounter();
00059 
00060   virtual void inputChanged(SoField * which);
00061   virtual void writeInstance(SoOutput * out);
00062 
00063 private:
00064   virtual void evaluate(void);
00065   void calcStarttime(short value);
00066 
00067   SbBool ispaused;
00068   double pausetimeincycle;
00069   SbBool firstoutputenable;
00070   short outputvalue;
00071   int numsteps;
00072   int stepnum;
00073   double starttime;
00074   double cyclelen;
00075   short findOutputValue(double timeincycle) const;
00076   void calcDutySteps(void);
00077   void calcNumSteps(void);
00078 
00079   SbList <double> dutylimits;
00080 };
00081 
00082 #endif // !COIN_SOTIMECOUNTER_H

Copyright © 1998-2007 by Systems in Motion AS. All rights reserved.

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