基于Qt5图形视图框架的俄罗斯方块

#include "panel.h" #include "ui_panel.h" #include "enumHeader.h" #include <QDebug> #include <QGraphicsBlurEffect> #include <QPropertyAnimation> #include <QMessageBox> #include <QMediaContent> Panel::Panel(QWidget *parent) : QWidget(parent), ui(new Ui::Panel) { ui->setupUi(this); m_isPauseGame = false; m_isGameOver = false; m_mediaPlayer = new QMediaPlayer; m_mediaPlayer->setMedia(QUrl::fromLocalFile(QString("clearRow.mp3"))); m_mediaPlayer->setVolume(100); //设置背景 setbackground(LV0); initControlWidget(); initGraphicsViewWidget(); } Panel::~Panel() { delete ui; } void Panel::setbackground(const int &Lv) { setAutoFillBackground(true); switch (Lv) { case LV0: m_currentLv = LV0; m_currentLVSpeed = LV0_SPEED; ui->label_gameLevel->setText("俄罗斯方块"); m_pixmap.load(":/background/Image/background/background.png"); break; case LV1: m_currentLv = LV1; m_currentLVSpeed = LV1_SPEED; ui->label_gameLevel->setText("第一关"); m_pixmap.load(":/background/Image/background/background01.png"); break; case LV2: m_currentLv = LV2; m_currentLVSpeed = LV2_SPEED; ui->label_gameLevel->setText("第二关"); m_pixmap.load(":/background/Image/background/background02.png"); break; case LV3: m_currentLv = LV3; m_currentLVSpeed = LV3_SPEED; ui->label_gameLevel->setText("第三关"); m_pixmap.load(":/background/Image/background/background03.png"); break; case LV4: m_currentLv = LV4; m_currentLVSpeed = LV4_SPEED; ui->label_gameLevel->setText("第四关"); m_pixmap.load(":/background/Image/background/background04.png"); break; case LV5: m_currentLv = LV5; m_currentLVSpeed = LV5_SPEED; ui->label_gameLevel->setText("第五关"); m_pixmap.load(":/background/Image/background/background05.png"); break; default: break; } m_Palette.setBrush(QPalette::Window, QBrush(m_pixmap.scaled(size(), Qt::IgnoreAspectRatio, Qt::SmoothTransformation))); setPalette(m_Palette); } void Panel::initControlWidget() { switch (m_currentLv) { case LV0: ui->pbt_startGame->setEnabled(true); ui->pbt_pauseGame->setEnabled(false); ui->pbt_restart->setEnabled(false); ui->pbt_stopGame->setEnabled(false); break; case LV1: case LV2: case LV3: case LV4: case LV5: ui->pbt_startGame->setEnabled(false); ui->pbt_pauseGame->setEnabled(true); ui->pbt_restart->setEnabled(true); ui->pbt_stopGame->setEnabled(true); break; default: break; } } void Panel::initGraphicsViewWidget() { //使用抗锯齿渲染 ui->GraphicsView->setRenderHint(QPainter::Antialiasing); //设置缓冲背景，加速渲染 ui->GraphicsView->setCacheMode(QGraphicsView::CacheBackground); m_scene = new QGraphicsScene(this); m_scene->setSceneRect(30,30,310,410); ui->GraphicsView->setScene(m_scene); //方块可移动的四条线 //向外扩展3像素，这样可以使方块组到达边界的时候再移动就会发生碰撞 m_topLine = m_scene->addLine(32,32,238,32); m_leftLine = m_scene->addLine(32,32,32,438); m_buttomLine = m_scene->addLine(32,438,238,438); m_rightLine = m_scene->addLine(238,32,238,438); m_topLine->setPen(QPen(QColor(255,255,255))); m_leftLine->setPen(QPen(QColor(255,255,255))); m_buttomLine->setPen(QPen(QColor(255,255,255))); m_rightLine->setPen(QPen(QColor(255,255,255))); m_currentBox = new pieceBox; m_nextBox = new pieceBox; connect(m_currentBox,SIGNAL(signal_needNewBox()),this,SLOT(slot_clearFullRows())); connect(m_currentBox,SIGNAL(signal_gameOver()),this,SLOT(slot_gameOver())); m_scene->addItem(m_currentBox); m_scene->addItem(m_nextBox); } void Panel::startGame() { m_currentBox->createBox(QPointF(135,55)); m_nextBox->createBox(QPointF(290,55)); //将键盘焦点给当前的方块组 m_currentBox->setFocus(); m_currentBox->slot_startTimer(m_currentLVSpeed); } void Panel::updateScore(const int fullRows) { int score = ui->LCDNum_Score->value() + fullRows*ROWSCORE; ui->LCDNum_Score->display(score); if(score < 1000) //第一关 { }else if(score < 2000) //第二关 { setbackground(LV2); initControlWidget(); m_currentBox->slot_stopTimer(); m_currentBox->slot_startTimer(m_currentLVSpeed); }else if(score < 4000) //第三关 { setbackground(LV3); initControlWidget(); m_currentBox->slot_stopTimer(); m_currentBox->slot_startTimer(m_currentLVSpeed); }else if(score < 8000) //第四关 { setbackground(LV4); initControlWidget(); m_currentBox->slot_stopTimer(); m_currentBox->slot_startTimer(m_currentLVSpeed); }else if(score < 16000) //第五关 { setbackground(LV5); initControlWidget(); m_currentBox->slot_stopTimer(); m_currentBox->slot_startTimer(m_currentLVSpeed); }else //从第一关重新开始 { setbackground(LV1); initControlWidget(); m_currentBox->slot_stopTimer(); m_currentBox->slot_startTimer(m_currentLVSpeed); } } /** * 开始游戏 * @brief Panel::on_pbt_startGame_clicked */ void Panel::on_pbt_startGame_clicked() { m_isGameOver = false; if(m_isPauseGame) { ui->pbt_startGame->setEnabled(false); m_isPauseGame = false; m_currentBox->slot_startTimer(m_currentLVSpeed); return; } //默认等级为LV1 setbackground(LV1); initControlWidget(); startGame(); } /** * 暂停游戏 * @brief Panel::on_pbt_pauseGame_clicked */ void Panel::on_pbt_pauseGame_clicked() { if(m_isPauseGame) { return; } m_isPauseGame = true; m_currentBox->slot_stopTimer(); ui->pbt_startGame->setEnabled(true); QMessageBox::information(this,"提示","暂停游戏！",QMessageBox::Yes); } /** * 重新开始游戏 * @brief Panel::on_pbt_restart_clicked */ void Panel::on_pbt_restart_clicked() { m_currentBox->slot_stopTimer(); m_currentBox->clearBoxGroup(); m_nextBox->clearBoxGroup(true); //先将当前的小正方形组移出游戏框，防止下面的清除item将该方块组清除了 m_currentBox->setPos(290,55); ui->LCDNum_Score->display(0); //清空视图中所有的小方块 foreach (QGraphicsItem *item, m_scene->items(34, 34, 204, 404, Qt::ContainsItemShape,Qt::AscendingOrder)) { // 先从场景中移除小方块，因为使用deleteLater()是在返回主事件循环后才销毁 // 小方块的，为了在出现新的方块组时不发生碰撞，所以需要先从场景中移除小方块 m_scene->removeItem(item); onePiece *piece = (onePiece*) item; piece->deleteLater(); } m_isPauseGame = false; on_pbt_startGame_clicked(); } /** * 停止游戏 * @brief Panel::on_pbt_stopGame_clicked */ void Panel::on_pbt_stopGame_clicked() { m_currentBox->slot_stopTimer(); slot_gameOver(); } /**清除满行的小方块 * @brief Panel::slot_clearFullRows */ void Panel::slot_clearFullRows() { m_rowList.clear(); //获取比一行方格多行的所有小方块,不包含最高的一行 for(int i = 414;i > 35; i-=20) { //返回可视区域(202*22)内所有的完全可视的item QList<QGraphicsItem *> itemList = m_scene->items(34,i,204,22,Qt::ContainsItemShape,Qt::A