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QT Flappy_bird

2018-06-17 22:36:28来源：未知阅读 ()

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由于C++课程设计的原因打算用QT来写一个Flappy bird 锻炼一下自己对QT的掌握.

还是花了不少时间

总结一下这次我没有把游戏元素抽象为类所以代码可读性很差. 导致后面修改的时候自己都晕了以后要习惯用类来开发

挺累的所以这次我就不写设计报告什么的了

直接贴关键代码文件我还是上传到百度云

http://pan.baidu.com/s/1dF8CTQp

 1 //mainwindow.h
 2 #ifndef MAINWINDOW_H
 3 #define MAINWINDOW_H
 4 
 5 #include<QMainWindow>
 6 #include<QKeyEvent>
 7 #include<QPainter>
 8 #include<QPixmap>
 9 #include<QMouseEvent>
10 #include<QTimer>
11 #include<QTime>
12 #include<QFile>
13 #include<QDataStream>
14 #include<QMediaPlayer>
15 using namespace std;
16 namespace Ui {
17 class MainWindow;
18 }
19 
20 class MainWindow : public QMainWindow
21 {
22     Q_OBJECT
23 
24 public:
25     explicit MainWindow(QWidget *parent = 0);
26     void paintEvent(QPaintEvent *);
27     void keyPressEvent(QKeyEvent* e);
28     void mousePressEvent(QMouseEvent* m);
29     void QTimerEvent(int timerId);
30     void welcome();
31     void lead();
32     void game();
33     ~MainWindow();
34 
35 private:
36     QMediaPlayer* m_fly;
37     QMediaPlayer* m_die;
38     QMediaPlayer* m_hit;
39     QMediaPlayer* swoosh;
40     QMediaPlayer* m_point;
41     bool cheat;
42     int last;
43     void gradesave();
44     void gradeload();
45     void Rank();
46     void reset();
47     int distance;       //上下两管道之间的距离
48     void drawgrades(int x, int y, int grade_);
49     void over();
50     bool doesadd;           //用于加分判断
51     bool collisionjudge();
52     QRect* pipe[6];
53     QTimer* timer;
54     int land_site;
55     int grades; //保存得分
56     int best_grades;
57     int tag;        //表示现在窗口位于哪一个界面
58     int bird_tag;
59     int l_tag;      //记录引导界面位于在绘制哪一个图像
60     int fly;
61     int v,a1,a2;
62     int graderank[4]; //
63     QRect menu;
64     QRect begin;    //保存开始按钮的矩形区域
65     QRect rank;     //保存排行按钮的矩形区域
66     QPixmap medal;
67     QPixmap gameover;
68     QPixmap again;
69     QPixmap ank;
70     QPixmap socreboard;
71     QPixmap b_pixmap;   //背景图片
72     QPixmap w_pixmap;   //欢迎界面
73     QPixmap c_pixmap;   //通用的 保存的图片会改变
74     QPixmap land;
75     QPixmap pip_up;
76     QPixmap pip_down;
77     QPixmap bird;       //保存鸟的图片
78     QPixmap number[10];
79     QRect r_bird;      //保存鸟的坐标
80     Ui::MainWindow *ui;
81 };
82 
83 #endif // MAINWINDOW_H

View Code

  1 //mainwindow.cpp
  2 #include "mainwindow.h"
  3 #include "ui_mainwindow.h"
  4 QString dat[3][4]={
  5     ":/图片/鸟/上20.png",":/图片/鸟/上0.png",":/图片/鸟/上-20.png",":/图片/鸟/上-90.png",
  6     ":/图片/鸟/中20.png",":/图片/鸟/中0.png",":/图片/鸟/中-20.png",":/图片/鸟/中-90.png",
  7     ":/图片/鸟/下20.png",":/图片/鸟/下0.png",":/图片/鸟/下-20.png",":/图片/鸟/下-90.png"
  8 };
  9 MainWindow::MainWindow(QWidget *parent) :
 10     QMainWindow(parent),
 11     ui(new Ui::MainWindow)
 12 {
 13     QTime t;
 14            t= QTime::currentTime();
 15            qsrand(t.msec()+t.second()*1000);
 16     ui->setupUi(this);
 17     tag=1;
 18     best_grades=0;
 19     cheat=0;
 20     for(int i=0;i<4;i++) graderank[i]=0;
 21     gradeload();
 22 
 23     m_fly=new QMediaPlayer;
 24     m_fly->setMedia(QUrl("qrc:/m/sounds/sfx_wing.mp3"));
 25     m_fly->setVolume(100);
 26 
 27     m_die=new QMediaPlayer;
 28     m_die->setMedia(QUrl("qrc:/m/sounds/sfx_die.mp3"));
 29     m_die->setVolume(100);
 30 
 31     m_hit=new QMediaPlayer;
 32     m_hit->setMedia(QUrl("qrc:/m/sounds/sfx_hit.mp3"));
 33     m_hit->setVolume(100);
 34 
 35     swoosh=new QMediaPlayer;
 36     swoosh->setMedia(QUrl("qrc:/m/sounds/sfx_swooshing.mp3"));
 37     swoosh->setVolume(100);
 38 
 39     m_point=new QMediaPlayer;
 40     m_point->setMedia(QUrl("qrc:/m/sounds/sfx_point.mp3"));
 41     m_point->setVolume(100);
 42     distance=140;
 43     a1=5; a2=-5;
 44     timer=new QTimer(this);
 45     connect(timer,SIGNAL(timeout()),this,SLOT(repaint()));//将计时器和 重绘 关联起来
 46     begin.setTop(370); begin.setBottom(445); begin.setLeft(35); begin.setRight(170);
 47     rank.setTop(370); rank.setBottom(445); rank.setLeft(210); rank.setRight(345);
 48     menu.setTop(400); menu.setBottom(427); menu.setLeft(290); menu.setRight(367);
 49     socreboard.load(":/图片/其他/记分牌.png");
 50     b_pixmap.load(":/图片/背景/白天.png");
 51     w_pixmap.load(":/图片/其他/开始.png");
 52     land.load(":/图片/背景/地.png");
 53     pip_up.load(":/图片/柱子/反.png");
 54     pip_down.load(":/图片/柱子/正.png");
 55     gameover.load(":/图片/其他/gameover.png");
 56     again.load(":/图片/其他/重来.png");
 57     ank.load(":/图片/其他/排行榜.png");
 58     number[1].load(":/图片/数字/1.png");  number[2].load(":/图片/数字/2.png"); number[3].load(":/图片/数字/3.png");
 59     number[4].load(":/图片/数字/4.png"); number[5].load(":/图片/数字/5.png"); number[6].load(":/图片/数字/6.png");
 60     number[7].load(":/图片/数字/7.png"); number[8].load(":/图片/数字/8.png"); number[9].load(":/图片/数字/9.png");
 61     number[0].load(":/图片/数字/0.png");
 62     reset();
 63     this->setFixedSize(385,448);
 64     this->setWindowTitle("Flappy Bird_by lyon");
 65     this->setWindowIcon(QIcon(":/bird.ico"));
 66 }
 67 void MainWindow::reset()
 68 {
 69     bird_tag=1;
 70     fly=0;
 71     doesadd=0;
 72     v=0;
 73     land_site=385;
 74     l_tag=1;
 75     grades=0;
 76     bird.load(":/图片/鸟/中0.png");
 77     r_bird.setTop(240); r_bird.setLeft(95); r_bird.setRight(138); r_bird.setBottom(270);
 78 
 79     int zz=qrand()%150+100-250;
 80     pipe[0]=new QRect(460,zz,65,250);
 81     pipe[1]=new QRect(460,zz+250+distance,65,250);
 82     zz=qrand()%150-150;
 83     pipe[2]=new QRect(460+220,zz,65,250);
 84     pipe[3]=new QRect(460+220,zz+250+distance,65,250);
 85     zz=qrand()%150-150;
 86     pipe[4]=new QRect(460+220*2,zz,65,250);
 87     pipe[5]=new QRect(460+220*2,zz+250+distance,65,250);
 88 
 89 }
 90 void MainWindow::paintEvent(QPaintEvent* )      //窗口重绘
 91 {
 92     switch (tag)
 93     {
 94         case 1:
 95             welcome();
 96             break;
 97 
 98         case 2:
 99             lead();
100             break;
101         case 3:
102              game();
103              break;
104         case 4:
105              over();
106              break;
107         case 5:
108                 Rank();
109                 break;
110           default:
111         break;
112     }
113 }
114 
115 void MainWindow::keyPressEvent(QKeyEvent *e)        //键盘事件
116 {
117     switch(e->key())
118     {
119         case Qt::Key_Space:
120         {
121             if(tag==2)
122             {
123                 tag=3;
124                 timer->start(70);
125             }
126             else if(tag==3)               //这里后面再写
127             {
128                 //if(fly>=0) return;
129                 m_fly->stop();
130                 m_fly->play();
131                 fly=4; v=10;
132                 //repaint();
133             }
134         break;
135         }
136         case Qt::Key_F1:
137             if(distance==140) distance=200;
138             else if(distance==200) distance=140;
139         break;
140     case Qt::Key_F2:
141             cheat=!cheat;
142         break;
143     default:
144         return ;
145 
146     }
147 }
148 
149 void MainWindow::mousePressEvent(QMouseEvent *m)
150 {
151     switch(tag)
152     {
153         case 1:
154         {
155             if(begin.contains(m->x(),m->y()))
156             {
157                 timer->start(300);
158                 tag=2;
159                 swoosh->stop();
160                 swoosh->play();
161             }
162             else if(rank.contains(m->x(),m->y()))
163             {
164                 last=1;
165                 tag=5;
166                 swoosh->stop();
167                 swoosh->play();
168                 repaint();
169             }
170 
171             break;
172         }
173         case 4:
174         {
175             if(begin.contains(m->x(),m->y()))
176             {
177                 timer->start(300);
178                 tag=2;
179                 swoosh->stop();
180                 swoosh->play();
181                 reset();
182             }
183             else if(rank.contains(m->x(),m->y()))
184             {
185                 last=4;
186                 tag=5;
187                 swoosh->stop();
188                 swoosh->play();
189                 repaint();
190             }
191 
192             break;
193         }
194         case 5:
195             if(menu.contains(m->x(),m->y()))
196             {
197                 tag=last;
198                 swoosh->stop();
199                 swoosh->play();
200                 repaint();
201             }
202          break;
203     }
204 }
205 
206 void MainWindow::welcome()      //欢迎界面 tag 1
207 {
208     QPainter painter(this);
209     painter.drawPixmap(0,0,w_pixmap);
210 }
211 
212 void MainWindow::lead()         //引导界面 tag 2
213 {
214     switch(l_tag)
215     {
216     case 1:
217         c_pixmap.load(":/图片/引导/白天/上.png"); l_tag=2; break;
218     case 2:
219         c_pixmap.load(":/图片/引导/白天/中.png"); l_tag=3; break;
220     case 3:
221         c_pixmap.load(":/图片/引导/白天/下.png"); l_tag=1; break;
222     }
223     QPainter painter(this);
224     painter.drawPixmap(0,0,c_pixmap);
225     c_pixmap.load(":/图片/数字/0.png");
226     painter.drawPixmap(180,100,c_pixmap);
227     painter.drawPixmap(0,423,land);
228     //painter.drawPixmap(95,240,bird);
229 }
230 
231 void MainWindow::game()     //画出游戏开始时 鸟 管道
232 {
233     if(!cheat)
234     {
235         if(collisionjudge())
236         {
237             m_hit->play();
238             timer->stop();
239             tag=4;
240             best_grades=max(best_grades,grades);
241             gradesave();
242             repaint();
243         }
244     }
245     QPainter painter(this);
246     //painter.drawPixmap(50,50,pip_down);
247     painter.drawPixmap(0,0,b_pixmap);
248     //if(pipe[0]->right()<r_bird.left()) grades++;
249     for(int i=0;i<6;i++)
250     {
251         //painter.drawRect(*pipe[i]);
252 
253         if(i%2==0)
254         painter.drawPixmap(pipe[i]->left(),pipe[i]->top(),pip_up);
255         else
256         painter.drawPixmap(pipe[i]->left(),pipe[i]->top(),pip_down);
257 
258        if(i%2==0)              //判断加分
259         {
260             if(pipe[i]->right()<r_bird.left()&&!doesadd)
261             {
262                 doesadd=1;
263                 grades++;
264                 m_point->stop();
265                 m_point->play();
266             }
267         }
268         pipe[i]->translate(-8,0);
269     }
270     if(pipe[0]->right()<0)
271     {
272         doesadd=0;
273         for(int i=0;i<4;i+=2)
274         {
275             pipe[i]=pipe[i+2];
276             pipe[i+1]=pipe[i+3];
277         }
278         int zz=qrand()%150-150;
279         pipe[4]=new QRect(pipe[2]->left()+220,zz,65,250);
280         pipe[5]=new QRect(pipe[3]->left()+220,zz+250+distance,65,250);
281     }
282     painter.drawPixmap(land_site-385,423,land);
283     painter.drawPixmap(land_site,423,land);
284     land_site-=5;
285     if(land_site<0)
286         land_site=384;
287 
288     //painter.drawRect(r_bird);
289 
290     painter.drawPixmap(r_bird.left(),r_bird.top(),bird);
291         if(fly>0)
292         {
293             r_bird.translate(0,-(v+a1/2));
294             v+=a1;
295             bird.load(dat[bird_tag][0]);
296             fly--;
297             bird_tag++;
298             if(bird_tag==3) bird_tag=0;
299         }
300         else if(fly==0)
301         {
302             v=0;
303             bird.load(dat[bird_tag][1]);
304             fly--;
305             bird_tag++;  if(bird_tag==3) bird_tag=0;
306         }
307         else if(fly<0)
308         {
309             r_bird.translate(0,-(v+a2/2));
310             v+=a2;
311             if(fly>=-5)
312             bird.load(dat[bird_tag][2]);
313             else bird.load(dat[bird_tag][3]);
314             fly--;
315             bird_tag++;  if(bird_tag==3) bird_tag=0;
316         }
317 
318         if(r_bird.top()< -2) r_bird.translate(0,10);
319         drawgrades(180,100,grades);
320 
321 }
322 
323 MainWindow::~MainWindow()
324 {
325     delete ui;
326 }
327 
328 void MainWindow::gradesave()    //保存排行榜
329 {
330     for(int i=0;i<4;i++)
331     {
332         if(grades>graderank[i])
333         {
334             for(int j=3;j>i;j--)
335                 graderank[j]=graderank[j-1];
336             graderank[i]=grades;
337             break;
338         }
339     }
340     QFile file("rank.b");
341     file.open(QIODevice::WriteOnly);
342     QDataStream out(&file);
343     for(int i=0;i<4;i++)
344         out<<graderank[i];
345 }
346 
347 void MainWindow::gradeload()    //加载排行榜
348 {
349     QFile file("rank.b");
350     if(file.open(QIODevice::ReadOnly))
351     {
352         QDataStream in(&file);
353         for(int i=0;i<4;i++)
354             in>>graderank[i];
355     }
356 
357 
358 }
359 
360 void MainWindow::Rank()
361 {
362     QPainter painter(this);
363     painter.drawPixmap(0,0,b_pixmap);
364     medal.load(":/图片/奖牌/金牌.png");  painter.drawPixmap(0,0,medal);
365     medal.load(":/图片/奖牌/白金牌.png"); painter.drawPixmap(0,62,medal);
366     medal.load(":/图片/奖牌/银牌.png"); painter.drawPixmap(0,124,medal);
367     medal.load(":/图片/奖牌/铜牌.png"); painter.drawPixmap(0,186,medal);
368     c_pixmap.load(":/图片/其他/menu.png");
369     painter.drawPixmap(290,400,c_pixmap);
370     int t=10;
371     for(int i=0;i<4;i++)
372     {
373         drawgrades(100,t,graderank[i]);
374         t+=61;
375     }
376 
377 }
378 
379 
380 void MainWindow::drawgrades(int x,int y,int grade_)
381 {
382     QPainter painter(this);
383     if(grade_==0)
384     {
385         painter.drawPixmap(x,y,number[0]);
386     }
387     int a=grade_;
388     int bite=0;
389     while(a)
390     {
391         a/=10;
392         bite++;
393     }
394     int head=x+bite/2*25;
395     a=grade_;
396     while(a)
397     {
398         painter.drawPixmap(head,y,number[a%10]);
399         head-=25;
400         a/=10;
401     }
402 }
403 
404 void MainWindow::over()//  游戏结束的画面
405 {
406     QPainter painter(this);
407     painter.drawPixmap(0,0,b_pixmap);
408     for(int i=0;i<6;i++)
409     {
410         if(i%2==0)
411         painter.drawPixmap(pipe[i]->left(),pipe[i]->top(),pip_up);
412         else
413         painter.drawPixmap(pipe[i]->left(),pipe[i]->top(),pip_down);
414     }
415     painter.drawPixmap(r_bird.left(),r_bird.top(),bird);
416     painter.drawPixmap(land_site-385,423,land);
417     painter.drawPixmap(land_site,423,land);
418     painter.drawPixmap(45,130,socreboard);
419     painter.drawPixmap(70,50,gameover);
420     painter.drawPixmap(begin.left(),begin.top(),again);
421     painter.drawPixmap(rank.left(),rank.top(),ank);
422     if(grades>=100)
423         medal.load(":/图片/奖牌/金牌.png");
424     else if(grades>=50)
425         medal.load(":/图片/奖牌/白金牌.png");
426     else if(grades>=20)
427         medal.load(":/图片/奖牌/银牌.png");
428     else if(grades>=10)
429         medal.load(":/图片/奖牌/铜牌.png");
430     if(grades>=10)
431     {
432         painter.drawPixmap(75,177,medal);
433     }
434 
435     drawgrades(278,166,grades);
436     drawgrades(278,224,best_grades);
437 }
438 
439 bool MainWindow::collisionjudge()       //碰撞检测
440 {
441     if(r_bird.bottom()>=423) return true;
442     for(int i=0;i<6;i++)
443     {
444         if(r_bird.intersects(*pipe[i]))
445         {
446             return true;
447         }
448     }
449     return false;
450 }