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00020 #ifndef COIN_SOELAPSEDTIME_H
00021 #define COIN_SOELAPSEDTIME_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/SoSFBool.h>
00028 #include <Inventor/fields/SoSFTrigger.h>
00029
00030
00031 class COIN_DLL_API SoElapsedTime : public SoEngine {
00032 typedef SoEngine inherited;
00033
00034 SO_ENGINE_HEADER(SoElapsedTime);
00035
00036 public:
00037 static void initClass(void);
00038 SoElapsedTime(void);
00039
00040 SoSFTime timeIn;
00041 SoSFFloat speed;
00042 SoSFBool on;
00043 SoSFBool pause;
00044 SoSFTrigger reset;
00045
00046 SoEngineOutput timeOut;
00047
00048 protected:
00049 ~SoElapsedTime();
00050
00051 virtual void writeInstance(SoOutput * out);
00052
00053 private:
00054 virtual void evaluate(void);
00055 virtual void inputChanged(SoField * which);
00056
00057 SbTime pausetime, lasttime, currtime;
00058 enum {RUNNING, STOPPED, PAUSED} status;
00059 };
00060
00061 #endif // !COIN_SOELAPSEDTIME_H