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00020 #ifndef COIN_SOONESHOT_H
00021 #define COIN_SOONESHOT_H
00022
00023 #include <Inventor/engines/SoSubEngine.h>
00024 #include <Inventor/engines/SoEngineOutput.h>
00025 #include <Inventor/fields/SoSFTime.h>
00026 #include <Inventor/fields/SoSFBool.h>
00027 #include <Inventor/fields/SoSFTrigger.h>
00028 #include <Inventor/fields/SoSFBitMask.h>
00029
00030
00031 class COIN_DLL_API SoOneShot : public SoEngine {
00032 typedef SoEngine inherited;
00033
00034 SO_ENGINE_HEADER(SoOneShot);
00035
00036 public:
00037 static void initClass(void);
00038 SoOneShot(void);
00039
00040 enum Flags {RETRIGGERABLE=1, HOLD_FINAL=2};
00041
00042 SoSFTime timeIn;
00043 SoSFTime duration;
00044 SoSFTrigger trigger;
00045 SoSFBitMask flags;
00046 SoSFBool disable;
00047
00048 SoEngineOutput timeOut;
00049 SoEngineOutput isActive;
00050 SoEngineOutput ramp;
00051
00052 protected:
00053 ~SoOneShot();
00054
00055 private:
00056 virtual void evaluate(void);
00057 virtual void inputChanged(SoField * which);
00058 virtual void writeInstance(SoOutput * out);
00059
00060 SbTime holdduration;
00061 float holdramp;
00062 SbTime starttime;
00063 SbBool running;
00064 };
00065
00066 #endif // !COIN_SOONESHOT_H