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,win32api
from PyQt5.QtGui import QFont,QIcon
from PyQt5.QtCore import Qt,QSize,QTimer
from 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_())