python语言实现贪吃蛇游戏
本文实例为大家分享了python实现贪吃蛇游戏的具体代码，供大家参考，具体内容如下
新手自学python（简易贪吃蛇代码）
环境python3.7
刚刚大学毕业进入工作岗位，发现同事基本都会写py脚本，于是自学了一下，并写了一个简单的贪吃蛇代码，我觉得写的还是比较容易看懂，适合新手接触python。
# -*- coding: utf-8 -*-
import tkinter as tk
# 使用Tkinter前需要先导入
import tkinter.messagebox
import pickle
import random
import time
# 第1步，实例化object，建立窗口window
window = tk.Tk()
# 第2步，给窗口的可视化起名字
window.title('Greedy snake')
# 第3步，设定窗口的大小(长 * 宽)
# window.geometry('1004x504') # 这里的乘是小x
# 第5步，创建一个主frame，长在主window窗口上
frame = tk.Frame(window, bg = 'blue', bd = 2, relief = tk.FLAT)
frame.pack(side = 'left')
#当前框架被选中，意思是键盘触发，只对这个框架有效
frame.focus_set()
Labellist = [] #存放所有方块的label
Blocklist = [] #存放背景方块的值 1：被占用 0：空闲
Snakelist = [] #存放snake的坐标
height = 15
width = 20
#snack前进方向
left = 0
right = 1
up = 2
down =3
pause = 0
start = 1
class App(tk.Frame):
def __init__(self,master):
self.window = master
tk.Frame.__init__(self)
master.bind('<Up>',self.Up)
master.bind('<Left>',self.Left)
master.bind('<Right>',self.Right)
master.bind('<Down>',self.Down)
master.bind('<p>',self.Pause)
master.bind('<s>',self.Start)
master.bind('<r>',self.Restart)
self.Init_snake() #初始化界面方法
self.time = 1000
self.Onetime()
def Up(self, event):
if self.Istart:
self.direction = up
def Down(self, event):
if self.Istart:
self.direction = down
def Left(self, event):
if self.Istart:
self.direction = left
def Right(self, event):
if self.Istart:
self.direction = right
def Init_snake(self):
del Labellist[:]
del Blocklist[:]
del Snakelist[:]
#初始化背景方块
LabelRowList = []
BlockRowlist = []
c = r = 0
for k in range(width*height):
LN=tk.Label(frame,text = ' ', bg = 'black', fg = 'white', relief = tk.FLAT, bd = 4)
LN.grid(row=r,column=c,sticky=tk.N+tk.E+tk.S+tk.W)
LabelRowList.append(LN)
BlockRowlist.append(0)
c=c+1
if c>=20:
r=r+1
c=0
Labellist.append(LabelRowList)
Blocklist.append(BlockRowlist)
LabelRowList = []
BlockRowlist = []
#初始化snake
self.Istart = 0
self.direction = left
self.direction_last = left
self.overflag = 0
#snake head的初始位置
self.x = 7
self.y = 8
#snake tail的初始位置
self.x_tail = 7
self.y_tail = 10
Snakelist.append((7,8))
Snakelist.append((7,9))
Snakelist.append((7,10))
self.snakelen = len(Snakelist)
Blocklist[self.x][self.y] = 1
Blocklist[self.x][self.y+1] = 1
Blocklist[self.x][self.y+2] = 1
Labellist[self.x][self.y].config(bg = 'green', relief = tk.RAISED)
Labellist[self.x][self.y+1].config(bg = 'white', relief = tk.RAISED)
Labellist[self.x][self.y+2].config(bg = 'white', relief = tk.RAISED)
#初始化food
self.food_x = random.randint(0,14)
self.food_y = random.randint(0,19)
while Blocklist[self.food_x][self.food_y] == 1:
self.food_x = random.randint(0,14)
self.food_y = random.randint(0,19)
Blocklist[self.food_x][self.food_y] = 1
Labellist[self.food_x][self.food_y].config(bg = 'red', relief = tk.RIDGE)
def Pause(self, event):
self.Istart = pause
def Start(self, event):
self.Istart = start
def Restart(self, event):
self.Init_snake()
def Onetime(self): #每1000ms做一次界面刷新
if self.Istart and self.overflag == 0:
if (self.direction_last == down and self.direction == up )or(self.direction_last == up and self.direction == down )or(self.direction_last ==left and self.direction == right )or(self.direction_last ==right and self.direction == left ):
self.direction = self.direction_last
self.direction_last = self.direction
x0 = self.x
y0 = self.y
if self.direction == left:
if x0 == self.food_x and y0-1 == self.food_y:
Labellist[x0][y0-1].config(bg = 'green', relief = tk.RAISED)
Labellist[x0][y0].config(bg = 'white', relief = tk.RAISED)
self.food_x = random.randint(0,14)
self.food_y = random.randint(0,19)
while Blocklist[self.food_x][self.food_y] == 1:
self.food_x = random.randint(0,14)
self.food_y = random.randint(0,19)
Blocklist[self.food_x][self.food_y] = 1
Labellist[self.food_x][self.food_y].config(bg = 'red', relief = tk.RIDGE)
self.snakelen += 1
Snakelist.insert(0,(x0,y0-1))
self.x = x0
self.y = y0 - 1
elif (x0>=0 and x0<height and y0-1>=0 and y0-1<width and Blocklist[x0][y0-1] == 0) or (self.x_tail == x0 and self.y_tail == y0 - 1):
Blocklist[self.x_tail][self.y_tail] = 0
Labellist[self.x_tail][self.y_tail].config(bg = 'black', relief = tk.FLAT)
Blocklist[x0][y0-1] = 1
Labellist[x0][y0-1].config(bg = 'green', relief = tk.RAISED)
Labellist[x0][y0].config(bg = 'white', relief = tk.RAISED)
del Snakelist[self.snakelen - 1]
Snakelist.insert(0,(x0,y0-1))
self.x = x0
self.y = y0 - 1
self.x_tail = Snakelist[self.snakelen - 1][0]
self.y_tail = Snakelist[self.snakelen - 1][1]
else:
tk.messagebox.showinfo(title = 'snake', message = 'game over!!!')
self.overflag = 1
elif self.direction == up:
if x0-1 == self.food_x and y0 == self.food_y:
Labellist[x0-1][y0].config(bg = 'green', relief = tk.RAISED)
Labellist[x0][y0].config(bg = 'white', relief = tk.RAISED)
self.food_x = random.randint(0,14)
self.food_y = random.randint(0,19)
while Blocklist[self.food_x][self.food_y] == 1:
self.food_x = random.randint(0,14)
self.food_y = random.randint(0,19)
Blocklist[self.food_x][self.food_y] = 1
Labellist[self.food_x][self.food_y].config(bg = 'red', relief = tk.RIDGE)
self.snakelen += 1
Snakelist.insert(0,(x0-1,y0))
self.x = x0 - 1
self.y = y0
elif (x0-1 >=0 and x0-1<height and y0>=0 and y0<width and Blocklist[x0-1][y0] == 0) or (self.x_tail == x0-1 and self.y_tail == y0):
Blocklist[self.x_tail][self.y_tail] = 0
Labellist[self.x_tail][self.y_tail].config(bg = 'black', relief = tk.FLAT)
Blocklist[x0-1][y0] = 1
Labellist[x0-1][y0].config(bg = 'green', relief = tk.RAISED)
Labellist[x0][y0].config(bg = 'white', relief = tk.RAISED)
del Snakelist[self.snakelen - 1]
Snakelist.insert(0,(x0 - 1,y0))
self.x = x0 - 1
self.y = y0
self.x_tail = Snakelist[self.snakelen - 1][0]
self.y_tail = Snakelist[self.snakelen - 1][1]
else:
tk.messagebox.showinfo(title = 'snake', message = 'game over!!!')
self.overflag = 1
elif self.direction == down:
if x0+1 == self.food_x and y0 == self.food_y:
Labellist[x0+1][y0].config(bg = 'green', relief = tk.RAISED)
Labellist[x0][y0].config(bg = 'white', relief = tk.RAISED)
self.food_x = random.randint(0,14)
self.food_y = random.randint(0,19)
while Blocklist[self.food_x][self.food_y] == 1:
self.food_x = random.randint(0,14)
self.food_y = random.randint(0,19)
Blocklist[self.food_x][self.food_y] = 1
Labellist[self.food_x][self.food_y].config(bg = 'red', relief = tk.RIDGE)
self.snakelen += 1
Snakelist.insert(0,(x0+1,y0))
self.x = x0 + 1
self.y = y0
elif (x0+1 >=0 and x0+1 <height and y0>=0 and y0<width and Blocklist[x0+1][y0] == 0) or (self.x_tail == x0+1 and self.y_tail == y0):
Blocklist[self.x_tail][self.y_tail] = 0
Labellist[self.x_tail][self.y_tail].config(bg = 'black', relief = tk.FLAT)
Blocklist[x0+1][y0] = 1
Labellist[x0+1][y0].config(bg = 'green', relief = tk.RAISED)
Labellist[x0][y0].config(bg = 'white', relief = tk.RAISED)
del Snakelist[self.snakelen - 1]
Snakelist.insert(0,(x0 + 1,y0))
self.x = x0 + 1
self.y = y0
self.x_tail = Snakelist[self.snakelen - 1][0]
self.y_tail = Snakelist[self.snakelen - 1][1]
else:
tk.messagebox.showinfo(title = 'snake', message = 'game over!!!')
self.overflag = 1
elif self.direction == right:
if x0 == self.food_x and y0+1 == self.food_y:
Labellist[x0][y0+1].config(bg = 'green', relief = tk.RAISED)
Labellist[x0][y0].config(bg = 'white', relief = tk.RAISED)
self.food_x = random.randint(0,14)
self.food_y = random.randint(0,19)
while Blocklist[self.food_x][self.food_y] == 1:
self.food_x = random.randint(0,14)
self.food_y = random.randint(0,19)
Blocklist[self.food_x][self.food_y] = 1
Labellist[self.food_x][self.food_y].config(bg = 'red', relief = tk.RIDGE)
self.snakelen += 1
Snakelist.insert(0,(x0,y0 + 1))
self.x = x0
self.y = y0 + 1
elif (x0>=0 and x0<height and y0+1>=0 and y0+1<width and Blocklist[x0][y0+1] == 0) or (self.x_tail == x0 and self.y_tail == y0+1):
Blocklist[self.x_tail][self.y_tail] = 0
Labellist[self.x_tail][self.y_tail].config(bg = 'black', relief = tk.FLAT)
Blocklist[x0][y0+1] = 1
Labellist[x0][y0+1].config(bg = 'green', relief = tk.RAISED)
Labellist[x0][y0].config(bg = 'white', relief = tk.RAISED)
del Snakelist[self.snakelen - 1]
Snakelist.insert(0,(x0,y0 + 1))
self.x = x0
self.y = y0 + 1
self.x_tail = Snakelist[self.snakelen - 1][0]
self.y_tail = Snakelist[self.snakelen - 1][1]
else:
tk.messagebox.showinfo(title = 'snake', message = 'game over!!!')
self.overflag = 1
self.after(self.time,self.Onetime)
def Start_Stop():
app.Istart = 1 - app.Istart
def Restart():
app.Restart(0)
#主菜单
mainmenu = tk.Menu(window)
window['menu'] = mainmenu
#二级菜单：game
gamemenu=tk.Menu(mainmenu)
mainmenu.add_cascade(label='游戏',menu=gamemenu)
gamemenu.add_command(label = '开始/暂停',command=Start_Stop)
gamemenu.add_command(label = '重置',command=Restart)
gamemenu.add_command(label = '退出',command=window.quit)
app = App(window)
window.mainloop()
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