cannonfield.h
2.47 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
/****************************************************************************
**
** Copyright (C) 2005-2007 Trolltech ASA. All rights reserved.
**
** This file is part of the example classes of the Qt Toolkit.
**
** This file may be used under the terms of the GNU General Public
** License version 2.0 as published by the Free Software Foundation
** and appearing in the file LICENSE.GPL included in the packaging of
** this file. Please review the following information to ensure GNU
** General Public Licensing requirements will be met:
** http://www.trolltech.com/products/qt/opensource.html
**
** If you are unsure which license is appropriate for your use, please
** review the following information:
** http://www.trolltech.com/products/qt/licensing.html or contact the
** sales department at sales@trolltech.com.
**
** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
**
****************************************************************************/
#ifndef CANNONFIELD_H
#define CANNONFIELD_H
#include <QWidget>
class QTimer;
class CannonField : public QWidget
{
Q_OBJECT
public:
CannonField(QWidget *parent = 0);
int angle() const { return currentAngle; }
int force() const { return currentForce; }
bool gameOver() const { return gameEnded; }
bool isShooting() const;
QSize sizeHint() const;
public slots:
void setAngle(int angle);
void setForce(int force);
void shoot();
void newTarget();
void setGameOver();
void restartGame();
private slots:
void moveShot();
signals:
void hit();
void missed();
void angleChanged(int newAngle);
void forceChanged(int newForce);
void canShoot(bool can);
protected:
void paintEvent(QPaintEvent *event);
void mousePressEvent(QMouseEvent *event);
void mouseMoveEvent(QMouseEvent *event);
void mouseReleaseEvent(QMouseEvent *event);
private:
void paintShot(QPainter &painter);
void paintTarget(QPainter &painter);
void paintBarrier(QPainter &painter);
void paintCannon(QPainter &painter);
QRect cannonRect() const;
QRect shotRect() const;
QRect targetRect() const;
QRect barrierRect() const;
bool barrelHit(const QPoint &pos) const;
int currentAngle;
int currentForce;
int timerCount;
QTimer *autoShootTimer;
float shootAngle;
float shootForce;
QPoint target;
bool gameEnded;
bool barrelPressed;
};
#endif