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
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
|
import org.trinitydesktop.qt.*;
public class CannonField extends TQWidget {
private int ang;
private int f;
private int timerCount;
private TQTimer autoShootTimer;
private float shoot_ang;
private float shoot_f;
private TQPoint target;
private boolean gameEnded;
private final TQRect barrelRect = new TQRect(33, -4, 15, 8);
public CannonField(TQWidget parent, String name) {
super(parent, name);
ang = 45;
f = 0;
timerCount = 0;
autoShootTimer = new TQTimer(this, "movement handler");
connect(autoShootTimer, TQ_SIGNAL("timeout()"),
this, TQ_SLOT("moveShot()"));
shoot_ang = 0;
shoot_f = 0;
target = new TQPoint(0, 0);
gameEnded = false;
setPalette(new TQPalette(new TQColor(250, 250, 200)));
newTarget();
}
public int angle() {
return ang;
}
public void setAngle(int degrees) {
if (degrees < 5)
degrees = 5;
if (degrees > 70)
degrees = 70;
if (ang == degrees)
return;
ang = degrees;
repaint();
emit("angleChanged", ang);
}
public int force() {
return f;
}
public void setForce(int newton) {
if (newton < 0)
newton = 0;
if (f == newton)
return;
f = newton;
emit("forceChanged", f);
}
public void shoot() {
if (isShooting())
return;
timerCount = 0;
shoot_ang = ang;
shoot_f = f;
autoShootTimer.start(50);
emit("canShoot", false);
}
public void newTarget() {
TQRegion r = new TQRegion(targetRect());
target = new TQPoint((int) (200 + Math.random()*190),
(int) (10 + Math.random()*255));
repaint(r.unite(new TQRegion(targetRect())));
}
public void setGameOver() {
if (gameEnded)
return;
if (isShooting())
autoShootTimer.stop();
gameEnded = true;
repaint();
}
public boolean gameOver() {
return gameEnded;
}
public void restartGame() {
if (isShooting())
autoShootTimer.stop();
gameEnded = false;
repaint();
emit("canShoot", true);
}
public void moveShot() {
TQRegion r = new TQRegion(shotRect());
timerCount++;
TQRect shotR = shotRect();
if (shotR.intersects(targetRect())) {
autoShootTimer.stop();
emit("hit");
emit("canShoot", true);
} else if (shotR.x() > width() || shotR.y() > height()) {
autoShootTimer.stop();
emit("missed");
emit("canShoot", true);
} else {
r = r.unite(new TQRegion(shotR));
}
repaint(r);
}
protected void paintEvent(TQPaintEvent e) {
TQRect updateR = e.rect();
TQPainter p = new TQPainter(this);
if (gameEnded) {
p.setPen(black());
p.setFont(new TQFont("Courier", 48, TQFont.Bold, false));
p.drawText(rect(), AlignCenter, "Game Over");
}
if (updateR.intersects(cannonRect()))
paintCannon(p);
if (isShooting() && updateR.intersects(shotRect()))
paintShot(p);
if (!gameEnded && updateR.intersects(targetRect()))
paintTarget(p);
}
private void paintShot(TQPainter p) {
p.setBrush(black());
p.setPen(NoPen);
p.drawRect(shotRect());
}
private void paintTarget(TQPainter p) {
p.setBrush(red());
p.setPen(black());
p.drawRect(targetRect());
}
private void paintCannon(TQPainter p) {
TQRect cr = cannonRect();
TQPixmap pix = new TQPixmap(cr.size());
pix.fill(new TQColor(250, 250, 200));
TQPainter tmp = new TQPainter(pix);
tmp.setBrush(blue());
tmp.setPen(NoPen);
tmp.translate(0, pix.height() - 1);
tmp.drawPie(new TQRect(-35,-35, 70, 70), 0, 90*16);
tmp.rotate(-ang);
tmp.drawRect(barrelRect);
tmp.end();
p.drawPixmap(cr.topLeft(), pix);
}
private TQRect cannonRect() {
TQRect r = new TQRect(0, 0, 50, 50);
r.moveBottomLeft(rect().bottomLeft());
return r;
}
private TQRect shotRect() {
final double gravity = 4;
double time = timerCount / 4.0;
double velocity = shoot_f;
double radians = shoot_ang*3.14159265/180;
double velx = velocity*Math.cos(radians);
double vely = velocity*Math.sin(radians);
double x0 = (barrelRect.right() + 5)*Math.cos(radians);
double y0 = (barrelRect.right() + 5)*Math.sin(radians);
double x = x0 + velx*time;
double y = y0 + vely*time - 0.5*gravity*time*time;
TQRect r = new TQRect(0, 0, 6, 6);
r.moveCenter(new TQPoint((int) x, height() - 1 - (int) y));
return r;
}
private TQRect targetRect() {
TQRect r = new TQRect(0, 0, 20, 10);
r.moveCenter(new TQPoint(target.x(),height() - 1 - target.y()));
return r;
}
public boolean isShooting() {
return autoShootTimer.isActive();
}
public TQSizePolicy sizePolicy() {
return new TQSizePolicy(TQSizePolicy.Expanding, TQSizePolicy.Expanding);
}
}
|
