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tqt3/tutorial/t14/cannon.h

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1.6 KiB

/****************************************************************
**
** Definition of CannonField class, TQt tutorial 14
**
****************************************************************/
#ifndef CANNON_H
#define CANNON_H
class TQTimer;
#include <ntqwidget.h>
class CannonField : public TQWidget
{
TQ_OBJECT
public:
CannonField( TQWidget *parent=0, const char *name=0 );
int angle() const { return ang; }
int force() const { return f; }
bool gameOver() const { return gameEnded; }
bool isShooting() const;
TQSize sizeHint() const;
TQSizePolicy sizePolicy() const;
public slots:
void setAngle( int degrees );
void setForce( int newton );
void shoot();
void newTarget();
void setGameOver();
void restartGame();
private slots:
void moveShot();
signals:
void hit();
void missed();
void angleChanged( int );
void forceChanged( int );
void canShoot( bool );
protected:
void paintEvent( TQPaintEvent * );
void mousePressEvent( TQMouseEvent * );
void mouseMoveEvent( TQMouseEvent * );
void mouseReleaseEvent( TQMouseEvent * );
private:
void paintShot( TQPainter * );
void paintTarget( TQPainter * );
void paintBarrier( TQPainter * );
void paintCannon( TQPainter * );
TQRect cannonRect() const;
TQRect shotRect() const;
TQRect targetRect() const;
TQRect barrierRect() const;
bool barrelHit( const TQPoint & ) const;
int ang;
int f;
int timerCount;
TQTimer * autoShootTimer;
float shoot_ang;
float shoot_f;
TQPoint target;
bool gameEnded;
bool barrelPressed;
};
#endif // CANNON_H