电脑技术《贪吃蛇代码》.docx

贪吃蛇代码#include mainwindow.h #include ui_mainwindow.h #include #include #include #include MainWindow:MainWindow(QWidget *parent) : QMainWindow(parent), ui(new Ui:MainWindow) this-setAttribute(Qt:WA_PaintOutsidePaintEvent); ui-setupUi(this); updateTimer = new QTimer(this); level = 3; newGame(); connect(updateTimer, SIGNAL(timeout(), this, SLOT(snakeAutoRun(); MainWindow:MainWindow() delete ui; void MainWindow:changeEvent(QEvent *e) QMainWindow:changeEvent(e); switch (e-type() case QEvent:LanguageChange: ui-retranslateUi(this); break; default: break; void MainWindow:drawFrame(QPainter* painter) /draw border and inter QRectF borderRect(3*45-20,25,670,850); QRectF interRect(3*45,45,630,810); painter-setPen(Qt:NoPen); painter-setBrush(QBrush(Qt:darkMagenta,Qt:SolidPattern); painter-drawRect(borderRect); painter-setBrush(QBrush(Qt:gray,Qt:SolidPattern); painter-drawRect(interRect); /end draw boder and inter painter-setPen(QPen(Qt:darkGray,3,Qt:SolidLine,Qt:RoundCap,Qt:RoundJoin); painter-setPen(Qt:NoPen); / draw the grid for(int i = 0; i drawLine(i,0,i,900); painter-drawLine(0,i,900,i); / end draw the grid void MainWindow:drawStartViewer(QPainter* painter) / pain start painter-setPen(QPen(Qt:white,50); painter-setFont(QFont(tr(China),60,60); QRectF textRect(3*45+30,45+180,560,280); if(isStart = 6) isStart-; return; if(isStart = 5) painter-drawText(textRect,Qt:AlignCenter,tr(READY!); isStart-; return; painter-setFont(QFont(tr(China),95,95); if(isStart = 4) painter-drawText(textRect,Qt:AlignCenter,tr(3); isStart-; return; if(isStart = 3) painter-drawText(textRect,Qt:AlignCenter,tr(2); isStart-; return; if(isStart = 2) painter-drawText(textRect,Qt:AlignCenter,tr(1); isStart-; return; if(isStart = 1) QString levelString = QString(Level %1).arg(level); painter-setPen(QPen(Qt:yellow,40); painter-drawText(textRect,Qt:AlignCenter,levelString); isStart-; return; if(isStart = 0) updateTimer-stop(); updateTimer-setInterval(interval); updateTimer-start(); isStart-; gameStatus = RUNNING; void MainWindow:drawSnakeAndFood(QPainter* painter) QRectF textRect(3*45+30,45+180,560,280); painter-setPen(QPen(Qt:darkGray,10); painter-setFont(QFont(tr(China),20,30); painter-drawText(textRect,Qt:AlignCenter,tr(); /draw food painter-setBrush(QBrush(Qt:red); painter-setPen(Qt:NoPen); painter-drawEllipse(foodArray1*45,foodArray0*45,45,45); / paint the snake painter-setBrush(QBrush(Qt:green); double d = 20.0/snakeLength; double abc = 40; for(int i = 0;i 0) painter-setBrush(QBrush(Qt:blue); QRectF snakeRect(snakeArrayi1*45+3,snakeArrayi0*45+3,40,40); /painter-drawRoundRect(snakeRect,50,abc); painter-drawEllipse(snakeArrayi1*45+3,snakeArrayi0*45+3,50,abc); abc -= d; / end paint the snake void MainWindow:drawGameOver(QPainter* painter) QRectF textRect(3*45+30,45+180,560,280); painter-setPen(QPen(Qt:yellow,80); painter-setFont(QFont(tr(China),60,60); painter-drawText(textRect, Qt:AlignCenter,tr(Game Over!); void MainWindow:paintEvent(QPaintEvent *) QPainter *painter = new QPainter(this); int side = qMin(width(),height(); painter-setRenderHint(QPainter:Antialiasing,true); painter-setViewport(width()-side)/2,(height()-side)/2,side,side); painter-setWindow(0,0,900,900); drawFrame(painter); switch(gameStatus) case STARTING: drawStartViewer(painter); break; case RUNNING: drawSnakeAndFood(painter); break; case GAMEOVER: drawGameOver(painter); break; case SHOWTOPSCORES: break; void MainWindow:keyPressEvent(QKeyEvent *keyEvent) if(paintingIsOver = 0 & isPause = YES) if(Qt:Key_Space = keyEvent-key() resumeGame(); return; switch(keyEvent-key() case Qt:Key_Up: directionFlag = (directionFlag = DOWN) ? DOWN : UP; break; case Qt:Key_Down: directionFlag = (directionFlag = UP) ? UP : DOWN; break; case Qt:Key_Left: directionFlag = (directionFlag = RIGHT) ? RIGHT : LEFT; break; case Qt:Key_Right: directionFlag = (directionFlag = LEFT) ? LEFT : RIGHT; break; case Qt:Key_Space: pauseGame(); break; case Qt:Key_Return: newGame(); break; paintingIsOver = 0; int MainWindow:getRandNum(void) static int i = 0; srand(int)time(0)+i); i+; return rand(); void MainWindow:getRandXY(int &x,int &y) while(1) int tag = 0; x = int(getRandNum()%20); y = int(getRandNum()%20); if(x 0 & x 2 & y 17) for(int i = 0; i = 0) update(); return; snakeHead0 = snakeArray00+directionArraydirectionFlag0; snakeHead1 = snakeArray01+directionArraydirectionFlag1; if(snakeHead0 = foodArray0 )&( snakeHead1 = foodArray1 ) snakeLength+; getRandXY(foodArray0,foodArray1); score += accelerationScore; score = (int)(score * 1.1); hitTimes += 1; if(snakeHead0 18 | snakeHead0 1 | snakeHead1 16) gameOver(); for( int i = 1; i 0; i-) snakeArrayi0 = snakeArrayi-10; snakeArrayi1 = snakeArrayi-11; snakeArray00 += directionArraydirectionFlag0; snakeArray01 += directionArraydirectionFlag1; paintingIsOver = 1; updateStatus(); update(); void MainWindow:newGame(void) updateTimer-start(1000); for(int i = 0; i 80; i+) for(int j = 0; j action_Pause-setEnabled(true); ui-action_Resume-setEnabled(false); score = 0; hitTimes = 0; gameStatus = STARTING; void MainWindow:gameOver() gameStatus = GAMEOVER; ui-action_Pause-setEnabled(false); ui-action_Resume-setEnabled(false); update(); updateTimer-stop(); void MainWindow:initialize() level = 3; score = 0; hitTimes = 0; void MainWindow:on_action_New_triggered() newGame(); void MainWindow:on_action_Fullscreen_triggered(bool checked) if(checked) this-showFullScreen(); else this-showNormal(); void MainWindow:on_actionLevel_1_triggered() ui-actionLevel_1-setChecked(true); ui-actionLevel_2-setChecked(false); ui-actionLevel_3-setChecked(false); ui-actionLevel_4-setChecked(false); ui-actionLevel_5-setChecked(false); level = 1; newGame(); void MainWindow:on_actionLevel_2_triggered() ui-actionLevel_1-setChecked(false); ui-actionLevel_2-setChecked(true); ui-actionLevel_3-setChecked(false); ui-actionLevel_4-setChecked(false); ui-actionLevel_5-setChecked(false); level = 2; newGame(); void MainWindow:on_actionLevel_3_triggered() ui-actionLevel_3-setChecked(true); ui-actionLevel_1-setChecked(false); ui-actionLevel_2-setChecked(false); ui-actionLevel_4-setChecked(false); ui-actionLevel_5-setChecked(false); level = 3; newGame(); void MainWindow:on_actionLevel_4_triggered() ui-actionLevel_4-setChecked(true); ui-actionLevel_1-setChecked(false); ui-actionLevel_2-setChecked(false); ui-actionLevel_3-setChecked(false); ui-actionLevel_5-setChecked(false); level = 4; newGame(); void MainWindow:on_actionLevel_5_triggered() ui-actionLevel_5-setChecked(true); ui-actionLevel_1-setChecked(false); ui-actionLevel_2-setChecked(false); ui-actionLevel_3-setChecked(false); ui-actionLevel_4-setChecked(false); level = 5; newGame(); void MainWindow:pauseGame() ui-action_Pause-setEnabled(false); ui-action_Resume-setEnabled(true); updateTimer-stop(); isPause = YES; void MainWindow:resumeGame() ui-