贪吃蛇（python，PyQt5）

喜欢就顶一下，不喜欢就踩一下

话不多说，直接上图：

import sys,random,time,win32event,pywintypes,win32apifrom PyQt5.QtGui import QFont,QIconfrom PyQt5.QtCore import Qt,QSize,QTimerfrom PyQt5.QtWidgets import (QApplication,QDesktopWidget,QWidget,QMessageBox,                             QHBoxLayout,QGridLayout,QVBoxLayout,QLabel,QFrame,                             QLCDNumber,QPushButton,QToolButton)class APP(QWidget):    def __init__(self):        super(APP,self).__init__()        self.variable()        self.Interface()        self.center()        self.Preset()        self.link()    def Preset(self):#打开游戏预设        self.Randomgeneration()        self.timer=QTimer()#建立计时器            def variable(self):#各种变量        self.cell=dict()#储存全部像素点组件        self.cells=list()#储存全部像素点        self.snake=[(12,12)]#蛇所占的像素点        self.fruit=tuple()#果实的位置        self.direction=(0,0)#方向键位置        self.startsuspend='suspend'        self.speed=400#初始速度        self.lock=0#键盘锁，防止快速连按            def Interface(self):#界面        self.setWindowTitle('贪吃蛇')#标题        self.setFixedSize(425,325)#限制窗口大小        self.grabKeyboard()#窗口接收键盘事件        self.Floor=QHBoxLayout()        self.Form1=QFrame()        self.Form1.setFrameShape(QFrame.Panel|QFrame.Plain)        self.Form1.setFixedSize(293,293)        self.grid=QGridLayout()        self.grid.setSpacing(1)        self.Form1.setLayout(self.grid)        self.Floor.addWidget(self.Form1)        for row in range(25):            for col in range(25):                self.cell[(row,col)]=QLabel()                self.cell[(row,col)].setStyleSheet('QLabel{background-color:white;border-width:1px;border-style:solid;border-color:LightSteelBlue;}')                self.cell[(row,col)].setFixedSize(10,10)                self.grid.addWidget(self.cell[(row,col)],row,col)                self.cells.append((row,col))        self.Form2=QFrame()        self.Form2.setFrameShape(QFrame.Panel|QFrame.Plain)        self.Form2.setFixedSize(100,293)        self.box=QVBoxLayout()        self.Form2.setLayout(self.box)        self.Floor.addWidget(self.Form2)        self.integral=QLCDNumber()        self.integral.setFixedHeight(50)        self.box.addWidget(self.integral)        self.Speed=QLabel(str(int(100000/self.speed)/100)+'\n格/秒')        self.Speed.setFont(QFont('宋体',24))        self.box.addWidget(self.Speed)        self.Button1=QPushButton('开始')        self.Button1.setFixedHeight(50)        self.Button1.setFont(QFont('宋体',25,75))        self.Button1.setStyleSheet("QPushButton{color:white;background:LimeGreen;border-radius:20px;border:3px solid black;}")        self.box.addWidget(self.Button1)        self.Button2=QPushButton('重置')        self.Button2.setFixedHeight(50)        self.Button2.setFont(QFont('宋体',25,75))        self.Button2.setStyleSheet("QPushButton{color:white;background:Orange;border-radius:20px;border:3px solid black;}")        self.box.addWidget(self.Button2)                self.setLayout(self.Floor)    def StartSuspend(self):#开始或暂停游戏        if self.startsuspend=='start':            self.startsuspend='suspend'            self.timer.stop()            self.Button1.setText('继续')            self.Button1.setStyleSheet("QPushButton{color:white;background:LimeGreen;border-radius:20px;border:3px solid black;}")        else:            self.startsuspend='start'            self.speed=400-int((len(self.snake)-1)/25*10)            self.timer.start(self.speed)            self.Button1.setText('暂停')            self.Button1.setStyleSheet("QPushButton{color:white;background:OrangeRed;border-radius:20px;border:3px solid black;}")    def keyPressEvent(self,event):#响应键盘操作        if event.key()==Qt.Key_Left:            if self.direction!=(0,1) and self.lock==0:                self.direction=(0,-1)        if event.key()==Qt.Key_Right:            if self.direction!=(0,-1) and self.lock==0:                self.direction=(0,1)        if event.key()==Qt.Key_Up:            if self.direction!=(1,0) and self.lock==0:                self.direction=(-1,0)        if event.key()==Qt.Key_Down:            if self.direction!=(-1,0) and self.lock==0:                self.direction=(1,0)        self.lock=1    def Randomgeneration(self):#随机生成果子        tempdict=self.cells.copy()        for cell in self.snake:            tempdict.remove(cell)        self.fruit=random.choice(tempdict)    def Refresh(self):#刷新界面        self.cell[self.fruit].setStyleSheet('QLabel{background-color:red;border-width:1px;border-style:solid;border-color:LightSteelBlue;}')        head=self.snake[0]        head=(head[0]+self.direction[0],head[1]+self.direction[1])        self.lock=0        self.snake.insert(0,head)                if head==self.fruit:#如果吃到果子，则再次随机产生新的果子            self.Randomgeneration()        else:#如果没有吃到果子，删除尾巴的像素点            tail=self.snake.pop()            self.cell[tail].setStyleSheet('QLabel{background-color:white;border-width:1px;border-style:solid;border-color:LightSteelBlue;}')                                            temp=self.snake.copy()        temp.remove(head)        if head in temp:#咬到自己判负            self.timer.stop()            QMessageBox.warning(self,'信息','GAME OVER!',QMessageBox.Ok)            self.Reset()        elif (-1 in head) or (25 in head):#出边界判负            self.timer.stop()            QMessageBox.warning(self,'信息','GAME OVER!',QMessageBox.Ok)            self.Reset()        elif len(self.snake)==625:#占满屏幕获胜            self.timer.stop()            QMessageBox.warning(self,'信息','YOU WIN!',QMessageBox.Ok)            self.Reset()        else:#未分出结果时            self.cell[head].setStyleSheet('QLabel{background-color:green;border-width:1px;border-style:solid;border-color:LightSteelBlue;}')            self.integral.display(len(self.snake)-1)#显示分数                        if self.speed!=400-int((len(self.snake)-1)/25*10):#根据身长改变移动速度                self.speed=400-int((len(self.snake)-1)/25*10)                self.Speed.setText(str(int(100000/self.speed)/100)+'\n格/秒')                self.timer.start(self.speed)    def Reset(self):#重置游戏        self.timer.stop()        self.snake=[(12,12)]#蛇所占的像素点        self.fruit=tuple()#果实的位置        self.direction=(0,0)#方向键位置        self.startsuspend='suspend'        self.Button1.setText('开始')        self.Button1.setStyleSheet("QPushButton{color:white;background:LimeGreen;border-radius:20px;border:3px solid black;}")        self.speed=400#初始速度        self.Speed.setText(str(int(100000/self.speed)/100)+'\n格/秒')        self.lock=0#键盘锁，防止快速连按        self.Randomgeneration()#随机产生果实        for row in range(25):            for col in range(25):                self.cell[(row,col)].setStyleSheet('QLabel{background-color:white;border-width:1px;border-style:solid;border-color:LightSteelBlue;}')                    def center(self):#窗口居中        qr=self.frameGeometry()        cp=QDesktopWidget().availableGeometry().center()        qr.moveCenter(cp)        self.move(qr.topLeft())    def link(self):        self.Button1.clicked.connect(self.StartSuspend)        self.Button2.clicked.connect(self.Reset)        self.timer.timeout.connect(self.Refresh)    def closeEvent(self,event):        self.timer.stop()#退出时结束计时器if __name__=='__main__':    ERROR_ALREADY_EXISTS=183     sz_mutex="test_mutex"    hmutex=win32event.CreateMutex(None,pywintypes.FALSE,sz_mutex)     if win32api.GetLastError()==ERROR_ALREADY_EXISTS:         exit(0)    else:        app=QApplication(sys.argv)        xianshi=APP()        xianshi.show()        sys.exit(app.exec_())