boat.h Example File

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 #ifndef __BOAT__H__
 #define __BOAT__H__

 #include "pixmapitem.h"

 class Bomb;
 class QVariantAnimation;
 class QAbstractAnimation;
 class QStateMachine;

 class Boat : public PixmapItem
 {
 Q_OBJECT
 public:
     enum Movement {
        None = 0,
        Left,
        Right
     };
     enum { Type = UserType + 2 };
     Boat();
     void destroy();
     void run();
     void stop();

     int bombsLaunched() const;
     void setBombsLaunched(int number);

     int currentSpeed() const;
     void setCurrentSpeed(int speed);

     enum Movement currentDirection() const;
     void setCurrentDirection(Movement direction);

     void updateBoatMovement();

     int type() const override;

 signals:
     void boatDestroyed();
     void boatExecutionFinished();

 private:
     int speed;
     int bombsAlreadyLaunched;
     Movement direction;
     QVariantAnimation *movementAnimation;
     QAbstractAnimation *destroyAnimation;
     QStateMachine *machine;
 };

 #endif //__BOAT__H__