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QT实战项目（愤怒的小鸟）_qt可视化编程愤怒的小鸟
作者：小丑西瓜9 | 2024-03-31 08:01:41
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qt可视化编程愤怒的小鸟
源代码链接
链接：https://pan.baidu.com/s/1IrxgId0mN7WnNEX3WS-9KQ
提取码：hfcb
B站演示视频
https://www.bilibili.com/video/BV15B4y1k777/?vd_source=c3ed93afd505b51bdbde94d2ba5c28f6
代码分析
游戏开始界面
游戏的初始登陆界面，是由数据库与弹窗口实例化的界面、数据库和qt弹窗的相关功能和具体实现代码我会在后续的博客中补上
代码设计如下
#include "widget.h" #include <QHBoxLayout> #include <QVBoxLayout> #include <QPainter> #include <QMouseEvent> #include <QSqlQuery> #include <QInputDialog> #include <QMessageBox> #include <QDir> #include <QDebug> Widget::Widget(QWidget *parent) : QWidget(parent) { //界面主题设置 setFixedSize(960,600); this->setWindowIcon(QIcon(":/img/red_bird.png")); this->setWindowTitle("欢迎登陆"); //创建控件 le_account = new QLineEdit ; le_account->setPlaceholderText("账号"); le_password = new QLineEdit ; le_password->setPlaceholderText("密码"); bt_rgt = new QPushButton("注册") ; bt_log = new QPushButton("登录") ; //布局 QHBoxLayout *hbox = new QHBoxLayout; hbox->addWidget(bt_rgt); hbox->addWidget(bt_log); QVBoxLayout *vbox = new QVBoxLayout; vbox->addWidget(le_account); vbox->addWidget(le_password); vbox->addLayout(hbox); box = new QWidget; box->setLayout(vbox); box->setParent(this); box->setGeometry(710, 270,220,120); //将按钮信号与对应信号与槽函数绑定 connect(bt_rgt, SIGNAL(clicked(bool)), this, SLOT(regiser(bool)));//绑定按钮bt_rgt 发射的clicked点击信号 给当前界面 的槽函数regiser connect(bt_log, SIGNAL(clicked(bool)), this, SLOT(login(bool)));// 绑定按钮bt_log 发射的clicked点击信号 给当前界面 的槽函数login //创建数据库 db = QSqlDatabase::addDatabase("QSQLITE"); db.setDatabaseName("userdb"); db.open(); //创建用户名注册表 QString str("create table usertable(account text, password text, username text, level text);"); QSqlQuery query; query.exec(str); //界面跳转 start_ui = new Start; connect(this, SIGNAL(login_successed()), start_ui, SLOT(show()));//绑定当前界面 发射的login_successed登录成功的信号 给游戏开始界面start_ui 让它显示 connect(start_ui, &Start::back, this, [&](){ //this->setGeometry(start_ui->geometry()); this->show(); });//绑定游戏开始界面start_ui 发射的back返回信号 给当前界面 让它显示 } void Widget::paintEvent(QPaintEvent *event) { //画 界面 和 图标 QPainter p(this); p.drawPixmap(0, 0, 960, 600, QPixmap(":/img/log.jpeg")); if(show_key) p.drawPixmap(920, 310, 32, 32, QPixmap(":/img/show.png")); else p.drawPixmap(920, 310, 32, 32, QPixmap(":/img/hide.png")); } void Widget::mousePressEvent(QMouseEvent *event) { //点击密码的显示与隐藏 if(event->pos().x() > 920 && event->pos().x() < 952 && event->pos().y() > 310 && event->pos().y() < 342) { show_key = !show_key; if(show_key) le_password->setEchoMode(QLineEdit::Normal); else le_password->setEchoMode(QLineEdit::Password); } update(); } void Widget::regiser(bool) { //查询用户是否已经存在 QString str = QString("select * from usertable where account='%0';")\ . arg(le_account->text()); QSqlQuery query; query.exec(str); while(query.next()) { QMessageBox msgBox; msgBox.setWindowIcon(QIcon(":/img/red_bird.png")); msgBox.setIconPixmap(QPixmap(":/img/icon.png")); msgBox.setText("该用户已存在！请重新注册！"); msgBox.exec(); return ; } //不存在就注册 bool ok; QString username = QInputDialog::getText(this, "Angry Birds", "User name:",QLineEdit::Normal,QDir::home().dirName(), &ok); if (ok && !username.isEmpty()) { //向入据库中加入一条用户信息 QString str = QString("insert into usertable values('%0', '%1', '%2', '0');")\ .arg(le_account->text()).arg(le_password->text()).arg(username);//插入用户 账号，密码，用名 QSqlQuery query; query.exec(str); QMessageBox msgBox; msgBox.setWindowIcon(QIcon(":/img/red_bird.png")); msgBox.setIconPixmap(QPixmap(":/img/icon.png")); msgBox.setText("恭喜你！注册成功！"); msgBox.exec(); } } void Widget::login(bool) { //账号√ 密码√ QString str = QString("select * from usertable where account='%0' and password='%1';")\ .arg(le_account->text()).arg(le_password->text()); QSqlQuery query; query.exec(str); while(query.next()) { qDebug() << query.value(0).toString(); qDebug() << query.value(1).toString(); qDebug() << query.value(2).toString(); qDebug() << query.value(3).toString(); emit login_successed();//发射登录成功的信号 hide();//隐藏当前界面 return ; } //账号√密码× str = QString("select * from usertable where account='%0';")\ .arg(le_account->text()); query.exec(str); while(query.next()) { QMessageBox msgBox; msgBox.setWindowIcon(QIcon(":/img/red_bird.png")); msgBox.setIconPixmap(QPixmap(":/img/icon.png")); msgBox.setText("密码错误！请重新输入！"); msgBox.exec(); return ; } //账号x QMessageBox msgBox; msgBox.setWindowIcon(QIcon(":/img/red_bird.png")); msgBox.setIconPixmap(QPixmap(":/img/icon.png")); msgBox.setText("该用户不存在！请先注册！"); msgBox.exec(); } Widget::~Widget() { }
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游戏开始中转界面
登陆成功后将跳转到第二个界面，这个界面只是个普通的中转界面，可以点击back跳转回去，也可以点击“开始游戏”进入关卡选择
在这儿可以拓展添加一些类使该变的更加的优美
#include "start.h" #include <QPainter> #include <QMouseEvent> Start::Start(QWidget *parent) : QWidget(parent) { setFixedSize(1800,967); setGeometry(70,50,1800,967); this->setWindowIcon(QIcon(":/img/icon.png")); this->setWindowTitle("愤怒的小鸟"); //界面跳转 choose = new choosepoint; connect(this, &Start::start, this, [&](){ choose->setGeometry(this->geometry()); choose->show(); });//绑定当前界面 发射的start开始游戏的信号 给选择关卡界面choose 让它显示 connect(choose, &choosepoint::choosesceneback, this, [&](){ this->setGeometry(choose->geometry()); this->show(); });//绑定choose选择关卡界面 发射的choosesceneback返回信号 给当前界面 让它显示 /*connect(choose, &choosepoint::choosesceneback, [=](){//绑定choose选择关卡界面 发射的choosesceneback返回信号 给当前界面 让它显示 choose->hide(); this->show(); });*/ } void Start::paintEvent(QPaintEvent *event) { QPainter p(this); p.drawPixmap(0, 0, 1800, 967, QPixmap(":/img/start.jpg")); p.drawPixmap(1713, 10, 77, 32, QPixmap(":/img/BackButton.png")); } void Start::mousePressEvent(QMouseEvent *event) { //点击密码的显示与隐藏 if(event->pos().x() > 760 && event->pos().x() < 1040 && event->pos().y() > 510 && event->pos().y() < 640) { emit start(); hide();//隐藏当前界面 } if(event->pos().x() > 1713 && event->pos().x() < 1790 && event->pos().y() > 10 && event->pos().y() < 42) { emit back(); hide();//隐藏当前界面 } }
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开始游戏后进入关卡选择场景，
再该场景中可以选择进入哪一个关卡游戏
在该场景中使用了一个用一位数构造出二维数组的算法，而且该场景中选择的游戏，会在选择后再构造，在退出游戏后摧毁该场景类，清理内存空间
#include "choosepoint.h" #include <QMenuBar> #include <QPainter> #include <QDebug> #include "mybushbutton.h" #include <QTimer> #include <QLabel> choosepoint::choosepoint(QWidget *parent) : QMainWindow(parent) { //选择关卡场景 this->setFixedSize(1800, 967); setGeometry(70,50,1800,967); this->setWindowIcon(QIcon(":/img/icon.png")); this->setWindowTitle("关卡场景"); //返回按钮 mybushbutton * backbtn = new mybushbutton(":/img/BackButton.png",":/img/BackButtonSelected.png"); backbtn->setParent(this); backbtn->move(1713, 10); //跳转到上一个界面 connect(backbtn, &mybushbutton::clicked,[=](){ QTimer::singleShot(300,this,[=](){ emit this->choosesceneback(); //为了看到动画效果 hide(); }); }); int i; //跳转到关卡界面 创建选择关卡的按钮 for( i = 0; i < 20; i++) { mybushbutton * menubtn = new mybushbutton(":/img/LevelIcon.png"); menubtn->setParent(this); menubtn->move( 560 + i % 5 * 160, 300 + i / 5 * 130); //一维数构造二维数组 connect(menubtn, &mybushbutton::clicked,[=](){ this->hide();//隐藏当前界面 //界面跳转 shot = new slingshot(i + 1); shot->setGeometry(this->geometry()); shot->show(); //设置游戏场景初始位置 //监听返回 connect(shot, &slingshot::back, this, [=](){ this->setGeometry(shot->geometry()); shot->deleteLater(); this->show(); });// }); QLabel * label = new QLabel; label->setParent(this); label->setFixedSize(menubtn->width(),menubtn->height()); label->setText(QString::number(i+1)); label->move(560 + i % 5 * 160, 300 + i / 5 * 130); //设置label上的文字对齐方式 label->setAlignment(Qt::AlignHCenter | Qt:: AlignVCenter); //设置鼠标穿透事件 51号 label->setAttribute(Qt::WA_TransparentForMouseEvents); } } //重写绘图事件 void choosepoint::paintEvent(QPaintEvent *) { QPainter painter(this); QPixmap pix; //加载图片 pix.load(":/img/choose.jpg"); painter.drawPixmap(0,0,this->width(),this->height(),pix); }
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游戏场景中的猪类
猪死亡时的爆炸特效砍了，因为会出现一些bug，具体改的方法我想的是需要重新改下这个猪类的设计方案，至少不能这么构造
#include "pig.h" #include <QPainter> #include <QTimer> #include <QPixmap> pig::pig() { setFixedSize(64, 64); mid_pos = new QPoint(32, 32); } void pig::paintEvent(QPaintEvent *event) { QPainter p1(this); // if(isboom) // { // QPainter p(pp); // p.drawPixmap(0, 0, 64,64, QPixmap(":/img/boom.png")); // } // else p1.drawPixmap(0, 0, 64,64, QPixmap(":/img/pig.png")); } void pig::boom( pig *p) { isboom = true; //pp = p; update(); QTimer::singleShot(200,this,[=](){ p->hide(); }); }
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障碍物类
记录障碍物的中心点，方便后续中碰撞做算法
#include "obstacles.h" #include <QPixmap> #include <QDebug> #include <QBitmap> #include <QPainter> #include <QTimer> ObstAcles::ObstAcles(QString normalImg) { ImagPath = normalImg; pix = new QPixmap; bool ret = pix->load(normalImg); if(!ret){ qDebug() << "图片加载失败"; return; } setFixedSize(pix->width(), pix->height()); *pix = pix->scaled(pix->width() , pix->height() ); setMask( pix->mask() ); setMinimumHeight(pix->height()); setMinimumWidth(pix->width()); mid_width = pix->width(); mid_height = pix->width(); qDebug() << "obsacles " << "w " << mid_width << "h " << mid_height; mid_pos = new QPoint(pix->width() / 2, pix->height() / 2); //mid_pos = QPoint(pix->width() / 2, pix->height() / 2); } void ObstAcles::paintEvent(QPaintEvent *event) { QPainter p(this); p.drawPixmap(0, 0, *pix); }
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鸟类
主要是对鸟的运动状态的算法，port槽函数中 传参分别是 x方向初速度、y方向初速度、空气阻力常数、重力加速度
让小鸟动起来的主要思想是，给一个信号触发定时器，让定时器超时检测的信号去触发这个槽，只有第一次的时候才会给当前速度赋值，其他状态都是当前速度的积分来提供运动轨迹。
#include "bird.h" #include <QPixmap> #include <QDebug> #include <QBitmap> #include <QPainter> #include <QTimer> bird::bird(QString normalImg) { ImagPath = normalImg; pix = new QPixmap; bool ret = pix->load(normalImg); if(!ret){ qDebug() << "图片加载失败"; return; } *pix = pix->scaled(pix->width() * 0.08, pix->height() * 0.08); setFixedSize(pix->width() * 0.08, pix->height() * 0.08); setMask( pix->mask() ); setMinimumHeight(pix->height()); setMinimumWidth(pix->width()); mid_width = pix->width() * 0.08; mid_height = pix->height() * 0.08; qDebug() << "brid " << "w " << mid_width << "h " << mid_height; mid_pos = new QPoint(pix->width() * 0.08 / 2, pix->height() * 0.08 / 2); //mid_pos = QPoint(pix->width() * 0.08 / 2, pix->height() * 0.08 / 2); time = 0; bird_weight = 3; vx_flag = true; flag_move = false; timer = new QTimer(this); } void bird::port(qreal vx, qreal vy, qreal resistance_const, qreal accg) //自己模拟的控器环境 { if(current_vy == 0 && current_vx == 0 && time == 0) //速度为和时间都为0时重新获取当前速度 { current_vx = vx; current_vy = vy; if(vy > 0) { flag = true; }else { flag = false; } this->resistance_const = resistance_const; this->accg = accg; } if(time == 0) //时间为0时重置获取当前左上角位置 { wpos = this->geometry().topLeft(); track_x = track_y = 0; } resistance_ax = resistance_const * current_vx * current_vx / bird_weight; //模拟空气阻力 last_vx = current_vx; if(current_vx > 0) { current_vx -= (resistance_ax + 0.4 * 0.01); }else if(current_vx < 0) { current_vx += (resistance_ax + 0.4 * 0.01); } if(flag == true) //y方向上的运动 { current_vy += (accg * 0.1 - 0.9); energy -= (accg * 0.1 + 0.9); if(energy < 0) flag = false; }else { current_vy += (accg * 0.1 + 0.9); energy += (accg * 0.1); if(current_vy > 0) flag = true; } if( qAbs(current_vx + last_vx) != qAbs(qAbs(current_vx) + qAbs(last_vx)) ) //单位统一 { vx_flag = false; } time += 0.1; qDebug() << current_vx << "vx"; qDebug() << current_vy << "vy"; if(vx_flag == true) // x方向上的运动 { track_x += current_vx * 0.1; } track_y += current_vy * 0.1; qDebug() << wpos.x() + track_x << wpos.y() + track_y; qDebug() << "time :" << time; if(time > 25.0) //超过25个时钟点重置小鸟 { current_vx = 0; current_vy = 0; } move(wpos.x() + track_x , wpos.y() + track_y ); //移动小鸟 if(wpos.x() + track_x > 1800 || wpos.y() + track_y > 967 || wpos.y() + track_y < 0 || wpos.x() + track_x < 0 || (current_vx == 0 && current_vy == 0 )) //超过界面范围、速度为0重置小鸟 { //move(wpos); move(70 , 620); timer->stop(); time = 0; track_x = track_y = 0; } emit bird_move(QPoint(geometry().topLeft().x() + width()/2, geometry().topLeft().y() + height()/2)); } void bird::mouseMoveEvent(QMouseEvent *event) //重写鼠标事件，时小鸟可拖动 { pos1 = event->globalPos(); move(wpos.x()+pos1.x()-pos.x(), wpos.y()+pos1.y()-pos.y()); emit bird_move(QPoint(geometry().topLeft().x() + width()/2, geometry().topLeft().y() + height()/2)); } void bird::mousePressEvent(QMouseEvent *event) { flag_move = true; pos = event->globalPos(); wpos = this->geometry().topLeft(); if(event->buttons() == Qt::RightButton) { current_vx = current_vy = 0; } } //void bird::mouseReleaseEvent(QMouseEvent *event) //{ // flag_move = false; //} void bird::paintEvent(QPaintEvent *event) { QPainter p(this); p.drawPixmap(0, 0, *pix); }
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游戏场景物体的构建
目前只为前四关写了障碍物和猪的布局分布效果，在该类中，有小鸟对障碍物碰撞后小鸟运动轨迹改变的算法，在该类中碰撞穿模的bug是因为我是对单个方块分析的，在取模上可能有一些误差，总而言之就是算法问题，会出现穿模的bug，这个bug的触发几率也不是特别大。
#include "datacheck.h" #include <QDebug> #include <QTimer> #include <QtGlobal> datacheck::datacheck(int c, QWidget * shot) //c为关卡 shot为关卡界面 { QVector< QPoint > v1; b = new bird(":/img/red_bird.png"); b->setParent(shot); b->move(70 , 620); flag = true; if(c == 1) { for(int i = 0; i < 10; i++) { acl_1 = new ObstAcles(":/img/obstacles_1.png"); acl_1->setParent(shot); acl_1->move(340 + i%10 * acl_1->width(), 140 + i/10 * acl_1->height()); v1.push_back(QPoint(acl_1->mid_pos->x() + acl_1->geometry().topLeft().x() , acl_1->mid_pos->y() + acl_1->geometry().topLeft().y())); } for(int i = 0; i < 10; i++) { acl_2 = new ObstAcles(":/img/obstacles_2.png"); acl_2->setParent(shot); acl_2->move(0 + i%10 * acl_2->width(), 340 + i/10 * acl_2->height()); v1.push_back(QPoint(acl_2->mid_pos->x() + acl_2->geometry().topLeft().x() , acl_2->mid_pos->y() + acl_2->geometry().topLeft().y())); } for(int i = 0; i < 10; i++) { acl_3 = new ObstAcles(":/img/obstacles_3.png"); acl_3->setParent(shot); acl_3->move(680 + i%10 * acl_3->width(), 340 + i/10 * acl_3->height()); v1.push_back(QPoint(acl_3->mid_pos->x() + acl_3->geometry().topLeft().x() , acl_3->mid_pos->y() + acl_3->geometry().topLeft().y())); } for(int i = 0; i < 5; i ++) { p = new pig; p->setParent(shot); p->move(650 + i%10 * p->width(), 650 + i/10 * p->height()); ppoint.push_back(QPoint(p->mid_pos->x() + p->geometry().topLeft().x() , p->mid_pos->y() + p->geometry().topLeft().y())); ppig.push_back(p); } } if(c == 2) { for(int i = 0; i < 10; i++) { acl_1 = new ObstAcles(":/img/obstacles_1.png"); acl_1->setParent(shot); acl_1->move(340 + i%10 * acl_1->width(), 440 + i/10 * acl_1->height()); v1.push_back(QPoint(acl_1->mid_pos->x() + acl_1->geometry().topLeft().x() , acl_1->mid_pos->y() + acl_1->geometry().topLeft().y())); } for(int i = 0; i < 10; i++) { acl_2 = new ObstAcles(":/img/obstacles_2.png"); acl_2->setParent(shot); acl_2->move(0 + i%10 * acl_2->width(), 740 + i/10 * acl_2->height()); v1.push_back(QPoint(acl_2->mid_pos->x() + acl_2->geometry().topLeft().x() , acl_2->mid_pos->y() + acl_2->geometry().topLeft().y())); } for(int i = 0; i < 10; i++) { acl_3 = new ObstAcles(":/img/obstacles_3.png"); acl_3->setParent(shot); acl_3->move(680 + i%10 * acl_3->width(), 740 + i/10 * acl_3->height()); v1.push_back(QPoint(acl_3->mid_pos->x() + acl_3->geometry().topLeft().x() , acl_3->mid_pos->y() + acl_3->geometry().topLeft().y())); } for(int i = 0; i < 5; i ++) { p = new pig; p->setParent(shot); p->move(650 + i%10 * p->width(), 650 + i/10 * p->height()); ppoint.push_back(QPoint(p->mid_pos->x() + p->geometry().topLeft().x() , p->mid_pos->y() + p->geometry().topLeft().y())); ppig.push_back(p); } } if(c == 3) { for(int i = 0; i < 20; i++) { acl_1 = new ObstAcles(":/img/obstacles_1.png"); acl_1->setParent(shot); acl_1->move(0 + i%1 * acl_1->width(), 0 + i/1 * acl_1->height()); v1.push_back(QPoint(acl_1->mid_pos->x() + acl_1->geometry().topLeft().x() , acl_1->mid_pos->y() + acl_1->geometry().topLeft().y())); } for(int i = 0; i < 20; i++) { acl_2 = new ObstAcles(":/img/obstacles_2.png"); acl_2->setParent(shot); acl_2->move(1700 + i%1 * acl_2->width(), 0 + i/1 * acl_2->height()); v1.push_back(QPoint(acl_2->mid_pos->x() + acl_2->geometry().topLeft().x() , acl_2->mid_pos->y() + acl_2->geometry().topLeft().y())); } for(int i = 0; i < 30; i++) { acl_3 = new ObstAcles(":/img/obstacles_3.png"); acl_3->setParent(shot); acl_3->move(0 + i%30 * acl_3->width(), 740 + i/30 * acl_3->height()); v1.push_back(QPoint(acl_3->mid_pos->x() + acl_3->geometry().topLeft().x() , acl_3->mid_pos->y() + acl_3->geometry().topLeft().y())); } for(int i = 0; i < 9; i ++) { p = new pig; p->setParent(shot); p->move(650 + i%3 * p->width(), 650 + i/3 * p->height()); ppoint.push_back(QPoint(p->mid_pos->x() + p->geometry().topLeft().x() , p->mid_pos->y() + p->geometry().topLeft().y())); ppig.push_back(p); } } if(c == 4) { for(int i = 0; i < 20; i++) { acl_1 = new ObstAcles(":/img/obstacles_1.png"); acl_1->setParent(shot); acl_1->move(0 + i%1 * acl_1->width(), 0 + i/1 * acl_1->height()); v1.push_back(QPoint(acl_1->mid_pos->x() + acl_1->geometry().topLeft().x() , acl_1->mid_pos->y() + acl_1->geometry().topLeft().y())); } for(int i = 0; i < 20; i++) { acl_2 = new ObstAcles(":/img/obstacles_2.png"); acl_2->setParent(shot); acl_2->move(1700 + i%1 * acl_2->width(), 0 + i/1 * acl_2->height()); v1.push_back(QPoint(acl_2->mid_pos->x() + acl_2->geometry().topLeft().x() , acl_2->mid_pos->y() + acl_2->geometry().topLeft().y())); } for(int i = 0; i < 30; i++) { acl_3 = new ObstAcles(":/img/obstacles_3.png"); acl_3->setParent(shot); acl_3->move(0 + i%30 * acl_3->width(), 740 + i/30 * acl_3->height()); v1.push_back(QPoint(acl_3->mid_pos->x() + acl_3->geometry().topLeft().x() , acl_3->mid_pos->y() + acl_3->geometry().topLeft().y())); } for(int i = 0; i < 30; i++) { acl_3 = new ObstAcles(":/img/obstacles_3.png"); acl_3->setParent(shot); acl_3->move(0 + i%30 * acl_3->width(), 0 + i/30 * acl_3->height()); v1.push_back(QPoint(acl_3->mid_pos->x() + acl_3->geometry().topLeft().x() , acl_3->mid_pos->y() + acl_3->geometry().topLeft().y())); } for(int i = 0; i < 3; i ++) { p = new pig; p->setParent(shot); p->move(650 + i%3 * p->width(), 650 + i/3 * p->height()); ppoint.push_back(QPoint(p->mid_pos->x() + p->geometry().topLeft().x() , p->mid_pos->y() + p->geometry().topLeft().y())); ppig.push_back(p); } for(int i = 0; i < 5; i ++) { p = new pig; p->setParent(shot); p->move(100 + i%3 * p->width()*2, 70 + i/3 * p->height()*2); ppoint.push_back(QPoint(p->mid_pos->x() + p->geometry().topLeft().x() , p->mid_pos->y() + p->geometry().topLeft().y())); ppig.push_back(p); } for(int i = 0; i < 6; i ++) { p = new pig; p->setParent(shot); p->move(360 + i%2 * p->width(), 200 + i/2 * p->height()); ppoint.push_back(QPoint(p->mid_pos->x() + p->geometry().topLeft().x() , p->mid_pos->y() + p->geometry().topLeft().y())); ppig.push_back(p); } } mpoint.insert(1, v1); v1.clear(); //测试数据 for( QMap<int, QVector< QPoint > >::iterator it = mpoint.begin();it != mpoint.end();it++ ) { for(QVector<QPoint>::iterator it2 = (*it).begin(); it2!= (*it).end();it2++) { qDebug() << it2->x() << it2->y(); } qDebug() << endl; } connect(b, SIGNAL(bird_move(QPoint)), this, SLOT(Pig_Crash(QPoint))); //小鸟与猪碰撞 connect(b, SIGNAL(bird_move(QPoint)), this, SLOT(Crash(QPoint))); //小鸟与墙碰撞 connect(this, &datacheck::Crash_sign, [&](int direc){ if(direc == 0) { qDebug() << "sss"; b->current_vy *= (-1); } //下碰撞 else if(direc == 1) { qDebug() << "sss"; b->current_vy *= (-1); } //左碰撞 else if(direc == 2) { b->current_vx *= (-1); } //右碰撞 else if(direc == 3) { b->current_vx *= (-1); } //对角碰撞 else { b->current_vx *= (-1); b->current_vy *= (-1); } }); } void datacheck::Pig_Crash(QPoint pos) { QVector<pig *>::iterator it1 = ppig.begin(); for(QVector<QPoint>::iterator it2 = ppoint.begin(); it2!= ppoint.end();it2++) { if(flag == true) { if(qAbs(it2->x() - pos.x()) <= qAbs(70) && qAbs(it2->y() - pos.y()) <= qAbs(70) ) { //碰撞 p->boom(*it1); qDebug() << "碰撞" << it2->x() << it2->y(); } }else { QTimer::singleShot(400, this, [=](){ flag = true; }); } it1++; } } void datacheck::Crash(QPoint pos) { int count = 0; for( QMap<int, QVector< QPoint > >::iterator it = mpoint.begin();it != mpoint.end();it++ ) { for(QVector<QPoint>::iterator it2 = (*it).begin(); it2!= (*it).end();it2++) { if(flag == true) { if(qAbs(it2->x() - pos.x()) <= qAbs(70) && qAbs(it2->y() - pos.y()) <= qAbs(70) ) { //碰撞 qDebug() << "碰撞" << it2->x() << it2->y(); if( (it2->x() - pos.x()) > 0 && (it2->y() - pos.y()) > 0) { if(qAbs(it2->x() - pos.x()) - qAbs(it2->y() - pos.y()) > qAbs(0)) { if((it2+1) != nullptr) { if(qAbs((it2+1)->x() - it2->x()) <= qAbs(70) && qAbs((it2+1)->x() - it2->x()) >= qAbs(60)) continue; } if((it2-1) != nullptr) { if(qAbs((it2-1)->x() - it2->x()) <= qAbs(70) && qAbs((it2+1)->x() - it2->x()) >= qAbs(60)) continue; } qDebug() << "左边"; emit Crash_sign(2); }else if(qAbs(it2->y() - pos.y()) - qAbs(it2->x() - pos.x()) > qAbs(0)) { if((it2+1) != nullptr) { if(qAbs((it2+1)->y() - it2->y()) <= qAbs(70) && qAbs((it2+1)->y() - it2->y()) >= qAbs(60)) continue; } if((it2-1) != nullptr) { if(qAbs((it2-1)->y() - it2->y()) <= qAbs(70) && qAbs((it2+1)->y() - it2->y()) >= qAbs(60)) continue; } qDebug() << "上边"; emit Crash_sign(0); }else { emit Crash_sign(4); //对角撞 } //第二象限 qDebug() << "第二象限"; }else if( (it2->x() - pos.x()) > 0 && (it2->y() - pos.y()) < 0) { if( qAbs(it2->x() - pos.x()) - qAbs(it2->y() - pos.y()) > qAbs(0)) { if((it2+1) != nullptr) { if(qAbs((it2+1)->x() - it2->x()) <= qAbs(70) && qAbs((it2+1)->x() - it2->x()) >= qAbs(60)) continue; } if((it2-1) != nullptr) { if(qAbs((it2-1)->x() - it2->x()) <= qAbs(70) && qAbs((it2+1)->x() - it2->x()) >= qAbs(60)) continue; } qDebug() << "左边"; emit Crash_sign(2); }else if(qAbs(it2->y() - pos.y()) - qAbs(it2->x() - pos.x()) > qAbs(0)) { if((it2+1) != nullptr) { if(qAbs((it2+1)->y() - it2->y()) <= qAbs(70) && qAbs((it2+1)->y() - it2->y()) >= qAbs(60)) continue; } if((it2-1) != nullptr) { if(qAbs((it2-1)->y() - it2->y()) <= qAbs(70) && qAbs((it2+1)->y() - it2->y()) >= qAbs(60)) continue; } qDebug() << "下边"; emit Crash_sign(1); }else { //对角撞 emit Crash_sign(5); } //第三象限 qDebug() << "第三象限"; }else if( (it2->x() - pos.x()) < 0 && (it2->y() - pos.y()) > 0) { if(qAbs(it2->x() - pos.x()) > qAbs(it2->y() - pos.y()) > qAbs(0)) { if((it2+1) != nullptr) { if(qAbs((it2+1)->x() - it2->x()) <= qAbs(70) && qAbs((it2+1)->x() - it2->x()) >= qAbs(60)) continue; } if((it2-1) != nullptr) { if(qAbs((it2-1)->x() - it2->x()) <= qAbs(70) && qAbs((it2+1)->x() - it2->x()) >= qAbs(60)) continue; } qDebug() << "右边"; emit Crash_sign(3); }else if(qAbs(it2->y() - pos.y()) - qAbs(it2->x() - pos.x()) > qAbs(0)) { if((it2+1) != nullptr) { if(qAbs((it2+1)->y() - it2->y()) <= qAbs(70) && qAbs((it2+1)->y() - it2->y()) >= qAbs(60)) continue; } if((it2-1) != nullptr) { if(qAbs((it2-1)->y() - it2->y()) <= qAbs(70) && qAbs((it2+1)->y() - it2->y()) >= qAbs(60)) continue; } qDebug() << "上边"; emit Crash_sign(0); }else { //对角撞 emit Crash_sign(6); } //第一象限 //qDebug() << "第一象限"; }else if( (it2->x() - pos.x()) < 0 && (it2->y() - pos.y()) < 0) { if(qAbs(it2->x() - pos.x()) - qAbs(it2->y() - pos.y()) > qAbs(0)) { if((it2+1) != nullptr) { if(qAbs((it2+1)->x() - it2->x()) <= qAbs(70) && qAbs((it2+1)->x() - it2->x()) >= qAbs(60)) continue; } if((it2-1) != nullptr) { if(qAbs((it2-1)->x() - it2->x()) <= qAbs(70) && qAbs((it2+1)->x() - it2->x()) >= qAbs(60)) continue; } qDebug() << "右边"; emit Crash_sign(3); }else if(qAbs(it2->y() - pos.y()) - qAbs(it2->x() - pos.x()) > qAbs(0)) { if((it2+1) != nullptr) { if(qAbs((it2+1)->y() - it2->y()) <= qAbs(70) && qAbs((it2+1)->y() - it2->y()) >= qAbs(60)) continue; } if((it2-1) != nullptr) { if(qAbs((it2-1)->y() - it2->y()) <= qAbs(70) && qAbs((it2+1)->y() - it2->y()) >= qAbs(60)) continue; } qDebug() << "下边"; emit Crash_sign(1); }else { //对角撞 emit Crash_sign(7); } //第四象限 qDebug() << "第四象限"; } flag = false; } }else { QTimer::singleShot(200, this, [=](){ flag = true; }); } count++; } //qDebug() << endl; } } void datacheck::paintEvent(QPaintEvent *event) { } void datacheck::mouseMoveEvent(QMouseEvent *event) { qDebug() << b->x() << b->y(); } void datacheck::mousePressEvent(QMouseEvent *event) { }
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