torpedo.h Example File

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 #ifndef __TORPEDO__H__
 #define __TORPEDO__H__

 #include "pixmapitem.h"

 class Torpedo : public PixmapItem
 {
 Q_OBJECT
 public:
     Torpedo();
     void launch();
     void setCurrentSpeed(int speed);
     void destroy();

 signals:
     void torpedoExploded();
     void torpedoExecutionFinished();

 private slots:
     void onAnimationLaunchValueChanged(const QVariant &);

 private:
     int currentSpeed;
 };

 #endif //__TORPEDO__H__