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00020 #ifndef COIN_SOPENDULUM_H
00021 #define COIN_SOPENDULUM_H
00022
00023 #include <Inventor/nodes/SoSubNode.h>
00024 #include <Inventor/nodes/SoRotation.h>
00025 #include <Inventor/fields/SoSFRotation.h>
00026 #include <Inventor/fields/SoSFFloat.h>
00027 #include <Inventor/fields/SoSFBool.h>
00028
00029 class SoElapsedTime;
00030 class SoCalculator;
00031 class SoInterpolateRotation;
00032
00033 class COIN_DLL_API SoPendulum : public SoRotation {
00034 typedef SoRotation inherited;
00035
00036 SO_NODE_HEADER(SoPendulum);
00037
00038 public:
00039 static void initClass(void);
00040 SoPendulum(void);
00041
00042 SoSFRotation rotation0;
00043 SoSFRotation rotation1;
00044 SoSFFloat speed;
00045 SoSFBool on;
00046
00047 virtual void write(SoWriteAction * action);
00048
00049 protected:
00050 virtual ~SoPendulum();
00051
00052 private:
00053 virtual SoNode * copy(SbBool copyconnections = FALSE) const;
00054 void deconnectInternalEngine(void);
00055 void reconnectInternalEngine(void);
00056
00057 SoInterpolateRotation * interpolator;
00058 SoCalculator * calculator;
00059 SoElapsedTime * timer;
00060 };
00061
00062 #endif // !COIN_SOPENDULUM_H