Qt實(shí)現(xiàn)FlappyBird游戲-創(chuàng)新互聯(lián)

簡述

創(chuàng)新互聯(lián)建站主打移動(dòng)網(wǎng)站、成都網(wǎng)站制作、成都做網(wǎng)站、外貿(mào)營銷網(wǎng)站建設(shè)、網(wǎng)站改版、網(wǎng)絡(luò)推廣、網(wǎng)站維護(hù)、國際域名空間、等互聯(lián)網(wǎng)信息服務(wù)，為各行業(yè)提供服務(wù)。在技術(shù)實(shí)力的保障下，我們?yōu)榭蛻舫兄Z穩(wěn)定，放心的服務(wù)，根據(jù)網(wǎng)站的內(nèi)容與功能再?zèng)Q定采用什么樣的設(shè)計(jì)。最后，要實(shí)現(xiàn)符合網(wǎng)站需求的內(nèi)容、功能與設(shè)計(jì)，我們還會(huì)規(guī)劃穩(wěn)定安全的技術(shù)方案做保障。

最近瀏覽網(wǎng)站的時(shí)候，忘記在哪里看的這個(gè)FlappyBird了，這個(gè)小游戲在之前小火了一段時(shí)間。今天用QT簡單的實(shí)現(xiàn)了一把，然后在網(wǎng)上找了一些相關(guān)的切圖，便進(jìn)行了制作。難度不是很大，只是通過寫這篇博客，能有點(diǎn)啟發(fā)以及大家共同學(xué)習(xí)。

效果圖

Qt實(shí)現(xiàn)Flappy Bird游戲

代碼

主界面控制

MainWindow::MainWindow(QWidget *parent)
 : BasicWindow(parent)
 , m_startGame(false)
{
 ui.setupUi(this);
 setAttribute(Qt::WA_TranslucentBackground);
 initControl();
}

void MainWindow::initControl()
{
 loadStyleSheet("MainWindow");
 m_scene = new MainGraphicsScene(this, rect());
 QGraphicsView* view = new QGraphicsView(m_scene, this);

 view->setScene(m_scene);
 view->setStyleSheet("border:none; background:transparent;");
 view->setCacheMode(QGraphicsView::CacheBackground);
 startWelcome();
}

void MainWindow::startWelcome()
{
 //道路
 GraphicsRoadItem *roadItem = new GraphicsRoadItem(m_scene);

 //小鳥
 m_bird = new FlappyBird(m_scene);

 //管道
 GraphicsPipeitem *pipeItem = new GraphicsPipeitem(m_scene);

 //游戲狀態(tài)檢測，開啟定時(shí)器，50ms檢測一次
 m_checkGameStatus = new QTimer(this);
 connect(m_checkGameStatus, SIGNAL(timeout()), this, SLOT(onCheckGameStatus()));

 //flappybird字母
 static const int nLetters = 10;
 static struct {
  char const *pix;
  qreal initX, initY;
  qreal destX, destY;
 } letterData[nLetters] = {
  { "F", -1000, -1000, 150, 100 },
  { "L", -800, -1000, 200, 100 },
  { "A", -600, -1000, 250, 100 },
  { "P", -400, -1000, 300, 100 },
  { "P", 1000, 2000, 350, 100 },
  { "Y", 800, 2000, 400, 100 },
  { "B", 600, 2000, 260, 160 },
  { "I", 400, 2000, 310, 160 },
  { "R", 200, 2000, 360, 160 },
  { "D", 0, 2000, 410, 160 } };

 QSequentialAnimationGroup * lettersGroupMoving = new QSequentialAnimationGroup(this);
 m_lettersGroupFading = new QParallelAnimationGroup(this);

 for (int i = 0; i < nLetters; ++i) {
  QString& htmlText = QString("<span style=\"font-family:'Berlin Sans FB';font-size:48px;font-weight:600;color:#194819;\">%1</span>").arg(letterData[i].pix);
  QGraphicsTextItem *letter = new QGraphicsTextItem();
  letter->setHtml(htmlText);
  letter->setPos(letterData[i].initX, letterData[i].initY);

  QPropertyAnimation *moveAnim = new QPropertyAnimation(letter, "pos", lettersGroupMoving);
  moveAnim->setEndValue(QPointF(letterData[i].destX, letterData[i].destY));
  moveAnim->setDuration(200);
  moveAnim->setEasingCurve(QEasingCurve::OutElastic);
  lettersGroupMoving->addPause(50);

  QPropertyAnimation *fadeAnim = new QPropertyAnimation(letter, "opacity", m_lettersGroupFading);
  fadeAnim->setDuration(1000);
  fadeAnim->setEndValue(0);
  fadeAnim->setEasingCurve(QEasingCurve::OutQuad);

  m_scene->addItem(letter);
 }
 lettersGroupMoving->start(QAbstractAnimation::DeleteWhenStopped);

 //游戲開始按鈕
 QPixmap&& pix = QPixmap(":/FlappyBird/Resources/texture/startButton.png").scaled(QSize(160, 48), Qt::IgnoreAspectRatio, Qt::SmoothTransformation);
 GraphicsButtonItem* btnItem = new GraphicsButtonItem(pix, m_scene);
 btnItem->setPos(QPointF(220, 340));
 QPropertyAnimation *fadeAnim = new QPropertyAnimation(btnItem, "opacity", m_lettersGroupFading);
 fadeAnim->setDuration(600);
 fadeAnim->setEndValue(0);
 fadeAnim->setEasingCurve(QEasingCurve::OutQuad);
 connect(btnItem, SIGNAL(clicked()), this, SLOT(onStartBtnClicked()));
 connect(fadeAnim, &QPropertyAnimation::finished, [this](){
  m_startGame = true;
  m_checkGameStatus->start(50);
  m_bird->flyLandfallAnimation();
 });
}

void MainWindow::onCheckGameStatus()
{
 //檢測小鳥是否與地面和管道發(fā)生碰撞
 if (m_bird->checkIsCollided())
 {
  GameOver();
 }
}

void MainWindow::GameOver()
{
 static const int nLetters = 8;
 static struct {
  char const *pix;
  qreal initX, initY;
  qreal destX, destY;
 } letterData[nLetters] = {
  { "G", -1000, -1000, 150, 100 },
  { "A", -800, -1000, 200, 100 },
  { "M", -600, -1000, 250, 100 },
  { "E", -400, -1000, 300, 100 },
  { "O", 600, 2000, 260, 160 },
  { "V", 400, 2000, 310, 160 },
  { "E", 200, 2000, 360, 160 },
  { "R", 0, 2000, 410, 160 } };

 QParallelAnimationGroup * lettersGroupMoving = new QParallelAnimationGroup(this);

 for (int i = 0; i < nLetters; ++i) {
  QString& htmlText = QString("<span style=\"font-family:'Berlin Sans FB';font-size:48px;font-weight:600;color:#194819;\">%1</span>").arg(letterData[i].pix);
  QGraphicsTextItem *letter = new QGraphicsTextItem();
  letter->setHtml(htmlText);
  letter->setPos(letterData[i].initX, letterData[i].initY);

  QPropertyAnimation *moveAnim = new QPropertyAnimation(letter, "pos", lettersGroupMoving);
  moveAnim->setEndValue(QPointF(letterData[i].destX, letterData[i].destY));
  moveAnim->setDuration(200);
  moveAnim->setEasingCurve(QEasingCurve::OutElastic);
  m_scene->addItem(letter);
 }
 lettersGroupMoving->start(QAbstractAnimation::DeleteWhenStopped);

 m_scene->removeItem(m_bird);
}

void MainWindow::onStartBtnClicked()
{
 m_lettersGroupFading->start(QAbstractAnimation::DeleteWhenStopped);
}

void MainWindow::keyPressEvent(QKeyEvent *event)
{
 if (m_startGame)
 {
  m_bird->keyPressEvent(event);
 }
}

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