QT Flappy_bird

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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

//mainwindow.h
#ifndef MAINWINDOW_H
#define MAINWINDOW_H

#include<QMainWindow>
#include<QKeyEvent>
#include<QPainter>
#include<QPixmap>
#include<QMouseEvent>
#include<QTimer>
#include<QTime>
#include<QFile>
#include<QDataStream>
#include<QMediaPlayer>
using namespace std;
namespace Ui {
class MainWindow;
}

class MainWindow : public QMainWindow
{
    Q_OBJECT

public:
    explicit MainWindow(QWidget *parent = 0);
    void paintEvent(QPaintEvent *);
    void keyPressEvent(QKeyEvent* e);
    void mousePressEvent(QMouseEvent* m);
    void QTimerEvent(int timerId);
    void welcome();
    void lead();
    void game();
    ~MainWindow();

private:
    QMediaPlayer* m_fly;
    QMediaPlayer* m_die;
    QMediaPlayer* m_hit;
    QMediaPlayer* swoosh;
    QMediaPlayer* m_point;
    bool cheat;
    int last;
    void gradesave();
    void gradeload();
    void Rank();
    void reset();
    int distance;       //上下两管道之间的距离
    void drawgrades(int x, int y, int grade_);
    void over();
    bool doesadd;           //用于加分判断
    bool collisionjudge();
    QRect* pipe[6];
    QTimer* timer;
    int land_site;
    int grades; //保存得分
    int best_grades;
    int tag;        //表示现在窗口位于哪一个界面
    int bird_tag;
    int l_tag;      //记录引导界面位于在绘制哪一个图像
    int fly;
    int v,a1,a2;
    int graderank[4]; //
    QRect menu;
    QRect begin;    //保存开始按钮的矩形区域
    QRect rank;     //保存排行按钮的矩形区域
    QPixmap medal;
    QPixmap gameover;
    QPixmap again;
    QPixmap ank;
    QPixmap socreboard;
    QPixmap b_pixmap;   //背景图片
    QPixmap w_pixmap;   //欢迎界面
    QPixmap c_pixmap;   //通用的 保存的图片会改变
    QPixmap land;
    QPixmap pip_up;
    QPixmap pip_down;
    QPixmap bird;       //保存鸟的图片
    QPixmap number[10];
    QRect r_bird;      //保存鸟的坐标
    Ui::MainWindow *ui;
};

#endif // MAINWINDOW_H

//mainwindow.cpp
#include "mainwindow.h"
#include "ui_mainwindow.h"
QString dat[3][4]={
    ":/图片/鸟/上20.png",":/图片/鸟/上0.png",":/图片/鸟/上-20.png",":/图片/鸟/上-90.png",
    ":/图片/鸟/中20.png",":/图片/鸟/中0.png",":/图片/鸟/中-20.png",":/图片/鸟/中-90.png",
    ":/图片/鸟/下20.png",":/图片/鸟/下0.png",":/图片/鸟/下-20.png",":/图片/鸟/下-90.png"
};
MainWindow::MainWindow(QWidget *parent) :
    QMainWindow(parent),
    ui(new Ui::MainWindow)
{
    QTime t;
           t= QTime::currentTime();
           qsrand(t.msec()+t.second()*1000);
    ui->setupUi(this);
    tag=1;
    best_grades=0;
    cheat=0;
    for(int i=0;i<4;i++) graderank[i]=0;
    gradeload();

    m_fly=new QMediaPlayer;
    m_fly->setMedia(QUrl("qrc:/m/sounds/sfx_wing.mp3"));
    m_fly->setVolume(100);

    m_die=new QMediaPlayer;
    m_die->setMedia(QUrl("qrc:/m/sounds/sfx_die.mp3"));
    m_die->setVolume(100);

    m_hit=new QMediaPlayer;
    m_hit->setMedia(QUrl("qrc:/m/sounds/sfx_hit.mp3"));
    m_hit->setVolume(100);

    swoosh=new QMediaPlayer;
    swoosh->setMedia(QUrl("qrc:/m/sounds/sfx_swooshing.mp3"));
    swoosh->setVolume(100);

    m_point=new QMediaPlayer;
    m_point->setMedia(QUrl("qrc:/m/sounds/sfx_point.mp3"));
    m_point->setVolume(100);
    distance=140;
    a1=5; a2=-5;
    timer=new QTimer(this);
    connect(timer,SIGNAL(timeout()),this,SLOT(repaint()));//将计时器和 重绘 关联起来
    begin.setTop(370); begin.setBottom(445); begin.setLeft(35); begin.setRight(170);
    rank.setTop(370); rank.setBottom(445); rank.setLeft(210); rank.setRight(345);
    menu.setTop(400); menu.setBottom(427); menu.setLeft(290); menu.setRight(367);
    socreboard.load(":/图片/其他/记分牌.png");
    b_pixmap.load(":/图片/背景/白天.png");
    w_pixmap.load(":/图片/其他/开始.png");
    land.load(":/图片/背景/地.png");
    pip_up.load(":/图片/柱子/反.png");
    pip_down.load(":/图片/柱子/正.png");
    gameover.load(":/图片/其他/gameover.png");
    again.load(":/图片/其他/重来.png");
    ank.load(":/图片/其他/排行榜.png");
    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");
    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");
    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");
    number[0].load(":/图片/数字/0.png");
    reset();
    this->setFixedSize(385,448);
    this->setWindowTitle("Flappy Bird_by lyon");
    this->setWindowIcon(QIcon(":/bird.ico"));
}
void MainWindow::reset()
{
    bird_tag=1;
    fly=0;
    doesadd=0;
    v=0;
    land_site=385;
    l_tag=1;
    grades=0;
    bird.load(":/图片/鸟/中0.png");
    r_bird.setTop(240); r_bird.setLeft(95); r_bird.setRight(138); r_bird.setBottom(270);

    int zz=qrand()%150+100-250;
    pipe[0]=new QRect(460,zz,65,250);
    pipe[1]=new QRect(460,zz+250+distance,65,250);
    zz=qrand()%150-150;
    pipe[2]=new QRect(460+220,zz,65,250);
    pipe[3]=new QRect(460+220,zz+250+distance,65,250);
    zz=qrand()%150-150;
    pipe[4]=new QRect(460+220*2,zz,65,250);
    pipe[5]=new QRect(460+220*2,zz+250+distance,65,250);

}
void MainWindow::paintEvent(QPaintEvent* )      //窗口重绘
{
    switch (tag)
    {
        case 1:
            welcome();
            break;

        case 2:
            lead();
            break;
        case 3:
             game();
             break;
        case 4:
             over();
             break;
        case 5:
                Rank();
                break;
          default:
        break;
    }
}

void MainWindow::keyPressEvent(QKeyEvent *e)        //键盘事件
{
    switch(e->key())
    {
        case Qt::Key_Space:
        {
            if(tag==2)
            {
                tag=3;
                timer->start(70);
            }
            else if(tag==3)               //这里后面再写
            {
                //if(fly>=0) return;
                m_fly->stop();
                m_fly->play();
                fly=4; v=10;
                //repaint();
            }
        break;
        }
        case Qt::Key_F1:
            if(distance==140) distance=200;
            else if(distance==200) distance=140;
        break;
    case Qt::Key_F2:
            cheat=!cheat;
        break;
    default:
        return ;

    }
}

void MainWindow::mousePressEvent(QMouseEvent *m)
{
    switch(tag)
    {
        case 1:
        {
            if(begin.contains(m->x(),m->y()))
            {
                timer->start(300);
                tag=2;
                swoosh->stop();
                swoosh->play();
            }
            else if(rank.contains(m->x(),m->y()))
            {
                last=1;
                tag=5;
                swoosh->stop();
                swoosh->play();
                repaint();
            }

            break;
        }
        case 4:
        {
            if(begin.contains(m->x(),m->y()))
            {
                timer->start(300);
                tag=2;
                swoosh->stop();
                swoosh->play();
                reset();
            }
            else if(rank.contains(m->x(),m->y()))
            {
                last=4;
                tag=5;
                swoosh->stop();
                swoosh->play();
                repaint();
            }

            break;
        }
        case 5:
            if(menu.contains(m->x(),m->y()))
            {
                tag=last;
                swoosh->stop();
                swoosh->play();
                repaint();
            }
         break;
    }
}

void MainWindow::welcome()      //欢迎界面 tag 1
{
    QPainter painter(this);
    painter.drawPixmap(0,0,w_pixmap);
}

void MainWindow::lead()         //引导界面 tag 2
{
    switch(l_tag)
    {
    case 1:
        c_pixmap.load(":/图片/引导/白天/上.png"); l_tag=2; break;
    case 2:
        c_pixmap.load(":/图片/引导/白天/中.png"); l_tag=3; break;
    case 3:
        c_pixmap.load(":/图片/引导/白天/下.png"); l_tag=1; break;
    }
    QPainter painter(this);
    painter.drawPixmap(0,0,c_pixmap);
    c_pixmap.load(":/图片/数字/0.png");
    painter.drawPixmap(180,100,c_pixmap);
    painter.drawPixmap(0,423,land);
    //painter.drawPixmap(95,240,bird);
}

void MainWindow::game()     //画出游戏开始时 鸟 管道
{
    if(!cheat)
    {
        if(collisionjudge())
        {
            m_hit->play();
            timer->stop();
            tag=4;
            best_grades=max(best_grades,grades);
            gradesave();
            repaint();
        }
    }
    QPainter painter(this);
    //painter.drawPixmap(50,50,pip_down);
    painter.drawPixmap(0,0,b_pixmap);
    //if(pipe[0]->right()<r_bird.left()) grades++;
    for(int i=0;i<6;i++)
    {
        //painter.drawRect(*pipe[i]);

        if(i%2==0)
        painter.drawPixmap(pipe[i]->left(),pipe[i]->top(),pip_up);
        else
        painter.drawPixmap(pipe[i]->left(),pipe[i]->top(),pip_down);

       if(i%2==0)              //判断加分
        {
            if(pipe[i]->right()<r_bird.left()&&!doesadd)
            {
                doesadd=1;
                grades++;
                m_point->stop();
                m_point->play();
            }
        }
        pipe[i]->translate(-8,0);
    }
    if(pipe[0]->right()<0)
    {
        doesadd=0;
        for(int i=0;i<4;i+=2)
        {
            pipe[i]=pipe[i+2];
            pipe[i+1]=pipe[i+3];
        }
        int zz=qrand()%150-150;
        pipe[4]=new QRect(pipe[2]->left()+220,zz,65,250);
        pipe[5]=new QRect(pipe[3]->left()+220,zz+250+distance,65,250);
    }
    painter.drawPixmap(land_site-385,423,land);
    painter.drawPixmap(land_site,423,land);
    land_site-=5;
    if(land_site<0)
        land_site=384;

    //painter.drawRect(r_bird);

    painter.drawPixmap(r_bird.left(),r_bird.top(),bird);
        if(fly>0)
        {
            r_bird.translate(0,-(v+a1/2));
            v+=a1;
            bird.load(dat[bird_tag][0]);
            fly--;
            bird_tag++;
            if(bird_tag==3) bird_tag=0;
        }
        else if(fly==0)
        {
            v=0;
            bird.load(dat[bird_tag][1]);
            fly--;
            bird_tag++;  if(bird_tag==3) bird_tag=0;
        }
        else if(fly<0)
        {
            r_bird.translate(0,-(v+a2/2));
            v+=a2;
            if(fly>=-5)
            bird.load(dat[bird_tag][2]);
            else bird.load(dat[bird_tag][3]);
            fly--;
            bird_tag++;  if(bird_tag==3) bird_tag=0;
        }

        if(r_bird.top()< -2) r_bird.translate(0,10);
        drawgrades(180,100,grades);

}

MainWindow::~MainWindow()
{
    delete ui;
}

void MainWindow::gradesave()    //保存排行榜
{
    for(int i=0;i<4;i++)
    {
        if(grades>graderank[i])
        {
            for(int j=3;j>i;j--)
                graderank[j]=graderank[j-1];
            graderank[i]=grades;
            break;
        }
    }
    QFile file("rank.b");
    file.open(QIODevice::WriteOnly);
    QDataStream out(&file);
    for(int i=0;i<4;i++)
        out<<graderank[i];
}

void MainWindow::gradeload()    //加载排行榜
{
    QFile file("rank.b");
    if(file.open(QIODevice::ReadOnly))
    {
        QDataStream in(&file);
        for(int i=0;i<4;i++)
            in>>graderank[i];
    }


}

void MainWindow::Rank()
{
    QPainter painter(this);
    painter.drawPixmap(0,0,b_pixmap);
    medal.load(":/图片/奖牌/金牌.png");  painter.drawPixmap(0,0,medal);
    medal.load(":/图片/奖牌/白金牌.png"); painter.drawPixmap(0,62,medal);
    medal.load(":/图片/奖牌/银牌.png"); painter.drawPixmap(0,124,medal);
    medal.load(":/图片/奖牌/铜牌.png"); painter.drawPixmap(0,186,medal);
    c_pixmap.load(":/图片/其他/menu.png");
    painter.drawPixmap(290,400,c_pixmap);
    int t=10;
    for(int i=0;i<4;i++)
    {
        drawgrades(100,t,graderank[i]);
        t+=61;
    }

}


void MainWindow::drawgrades(int x,int y,int grade_)
{
    QPainter painter(this);
    if(grade_==0)
    {
        painter.drawPixmap(x,y,number[0]);
    }
    int a=grade_;
    int bite=0;
    while(a)
    {
        a/=10;
        bite++;
    }
    int head=x+bite/2*25;
    a=grade_;
    while(a)
    {
        painter.drawPixmap(head,y,number[a%10]);
        head-=25;
        a/=10;
    }
}

void MainWindow::over()//  游戏结束的画面
{
    QPainter painter(this);
    painter.drawPixmap(0,0,b_pixmap);
    for(int i=0;i<6;i++)
    {
        if(i%2==0)
        painter.drawPixmap(pipe[i]->left(),pipe[i]->top(),pip_up);
        else
        painter.drawPixmap(pipe[i]->left(),pipe[i]->top(),pip_down);
    }
    painter.drawPixmap(r_bird.left(),r_bird.top(),bird);
    painter.drawPixmap(land_site-385,423,land);
    painter.drawPixmap(land_site,423,land);
    painter.drawPixmap(45,130,socreboard);
    painter.drawPixmap(70,50,gameover);
    painter.drawPixmap(begin.left(),begin.top(),again);
    painter.drawPixmap(rank.left(),rank.top(),ank);
    if(grades>=100)
        medal.load(":/图片/奖牌/金牌.png");
    else if(grades>=50)
        medal.load(":/图片/奖牌/白金牌.png");
    else if(grades>=20)
        medal.load(":/图片/奖牌/银牌.png");
    else if(grades>=10)
        medal.load(":/图片/奖牌/铜牌.png");
    if(grades>=10)
    {
        painter.drawPixmap(75,177,medal);
    }

    drawgrades(278,166,grades);
    drawgrades(278,224,best_grades);
}

bool MainWindow::collisionjudge()       //碰撞检测
{
    if(r_bird.bottom()>=423) return true;
    for(int i=0;i<6;i++)
    {
        if(r_bird.intersects(*pipe[i]))
        {
            return true;
        }
    }
    return false;
}