本文實(shí)例為大家分享了python實(shí)現(xiàn)貪吃蛇游戲的具體代碼，供大家參考，具體內(nèi)容如下

這次我們來(lái)寫一個(gè)貪吃蛇游戲

下面貼出具體代碼

import pygame

import time

import numpy as np

# 此模塊包含游戲所需的常量

from pygame.locals import *

# 設(shè)置棋盤的長(zhǎng)寬

BOARDWIDTH = 48

BOARDHEIGHT = 28

# 分?jǐn)?shù)

score = 0

class Food(object):

def __init__(self):

self.item = (4, 5)

# 畫(huà)出食物

def _draw(self, screen, i, j):

color = 255, 0, 255

radius = 10

width = 10

# i:1—34 j:1—25

position = 10 + 20 * i, 10 + 20 * j

# 畫(huà)出半徑為 10 的粉色實(shí)心圓

pygame.draw.circle(screen, color, position, radius, width)

# 隨機(jī)產(chǎn)生食物

def update(self, screen, enlarge, snack):

if enlarge:

self.item = np.random.randint(1, BOARDWIDTH – 2), np.random.randint(1, BOARDHEIGHT – 2)

while self.item in snack.item:

self.item = np.random.randint(1, BOARDWIDTH – 2), np.random.randint(1, BOARDHEIGHT – 2)

self._draw(screen, self.item[0], self.item[1])

# 貪吃蛇

class Snack(object):

def __init__(self):

# self.item = [(3, 25), (2, 25), (1, 25), (1,24), (1,23),

# (1,22), (1,21), (1,20), (1,19), (1,18), (1,17), (1,16)]

# x 水平方向 y 豎直方向

# 初始方向豎直向上

self.item = [(3, 25), (2, 25), (1, 25), (1, 24), ]

self.x = 0

self.y = -1

def move(self, enlarge):

# enlarge 標(biāo)記貪吃蛇有沒(méi)有吃到食物

if not enlarge:

# 吃到食物刪除尾部元素

self.item.pop()

# 新蛇頭的坐標(biāo)為舊蛇頭坐標(biāo)加上移動(dòng)方向的位移

head = (self.item[0][0] + self.x, self.item[0][1] + self.y)

# 將新的蛇頭坐標(biāo)插入在 list 最前面

self.item.insert(0, head)

def eat_food(self, food):

global score

# snack_x,snack_y 蛇頭坐標(biāo)

# food_x, food_y 食物坐標(biāo)

snack_x, snack_y = self.item[0]

food_x, food_y = food.item

# 比較蛇頭坐標(biāo)與食物坐標(biāo)

if (food_x == snack_x) and (food_y == snack_y):

score += 100

return 1

else:

return 0

def toward(self, x, y):

# 改變蛇頭朝向

if self.x * x >= 0 and self.y * y >= 0:

self.x = x

self.y = y

def get_head(self):

# 獲取蛇頭坐標(biāo)

return self.item[0]

def draw(self, screen):

# 畫(huà)出貪吃蛇

# 蛇頭為半徑為 15 的紅色實(shí)心圓

radius = 15

width = 15

# i:1—34 j:1—25

color = 255, 0, 0

# position 為圖形的坐標(biāo)

position = 10 + 20 * self.item[0][0], 10 + 20 * self.item[0][1]

pygame.draw.circle(screen, color, position, radius, width)

# 蛇身為半徑為 10 的黃色實(shí)心圓

radius = 10

width = 10

color = 255, 255, 0

for i, j in self.item[1:]:

position = 10 + 20 * i, 10 + 20 * j

pygame.draw.circle(screen, color, position, radius, width)

# 初始界面

def init_board(screen):

board_width = BOARDWIDTH

board_height = BOARDHEIGHT

color = 10, 255, 255

width = 0

# width:x, height:y

# 左右邊框占用了 X: 0 35*20

for i in range(board_width):

pos = i * 20, 0, 20, 20

pygame.draw.rect(screen, color, pos, width)

pos = i * 20, (board_height – 1) * 20, 20, 20

pygame.draw.rect(screen, color, pos, width)

# 上下邊框占用了 Y: 0 26*20

for i in range(board_height – 1):

pos = 0, 20 + i * 20, 20, 20

pygame.draw.rect(screen, color, pos, width)

pos = (board_width – 1) * 20, 20 + i * 20, 20, 20

pygame.draw.rect(screen, color, pos, width)

# 游戲失敗

def game_over(snack):

broad_x, broad_y = snack.get_head()

flag = 0

old = len(snack.item)

new = len(set(snack.item))

# 游戲失敗的兩種可能

# 咬到自身

if new < old:

flag = 1

# 撞到邊框

if broad_x == 0 or broad_x == BOARDWIDTH – 1:

flag = 1

if broad_y == 0 or broad_y == BOARDHEIGHT – 1:

flag = 1

if flag:

return True

else:

return False

# 打印字符

def print_text(screen, font, x, y, text, color=(255, 0, 0)):

# 在屏幕上打印字符

# text是需要打印的文本，color為字體顏色

# (x,y)是文本在屏幕上的位置

imgText = font.render(text, True, color)

screen.blit(imgText, (x, y))

# 按鍵

def press(keys, snack):

global score

# K_w 為 pygame.locals 中的常量

# keys[K_w] 返回 True or False

# 上移

if keys[K_w] or keys[K_UP]:

snack.toward(0, -1)

# 下移

elif keys[K_s] or keys[K_DOWN]:

snack.toward(0, 1)

# 左移

elif keys[K_a] or keys[K_LEFT]:

snack.toward(-1, 0)

# 右移

elif keys[K_d] or keys[K_RIGHT]:

snack.toward(1, 0)

# 重置游戲

elif keys[K_r]:

score = 0

main()

# 退出游戲

elif keys[K_ESCAPE]:

exit()

# 游戲初始化

def game_init():

# pygame 初始化

pygame.init()

# 設(shè)置游戲界面大小

screen = pygame.display.set_mode((BOARDWIDTH * 20, BOARDHEIGHT * 20))

# 設(shè)置游戲標(biāo)題

pygame.display.set_caption(‘貪吃蛇游戲’)

# sound = pygame.mixer.Sound(AUDIONAME)

# channel = pygame.mixer.find_channel(True)

# channel.play(sound)

return screen

# 開(kāi)始游戲

def game(screen):

snack = Snack()

food = Food()

# 設(shè)置中文字體和大小

font = pygame.font.SysFont(‘SimHei’, 20)

is_fail = 0

while True:

for event in pygame.event.get():

if event.type == QUIT:

exit()

# 填充屏幕

screen.fill((0, 0, 100))

init_board(screen=screen)

# 獲得用戶按鍵命令

keys = pygame.key.get_pressed()

press(keys, snack)

# 游戲失敗打印提示

if is_fail:

font2 = pygame.font.Font(None, 40)

print_text(screen, font2, 400, 200, “GAME OVER”)

# 游戲主進(jìn)程

if not is_fail:

enlarge = snack.eat_food(food)

food.update(screen, enlarge, snack)

snack.move(enlarge)

is_fail = game_over(snack=snack)

snack.draw(screen)

# 游戲刷新

pygame.display.update()

time.sleep(0.1)

# 主程序

def main():

screen = game_init()

game(screen)

if __name__ == ‘__main__’:

main()

程序運(yùn)行效果

簡(jiǎn)單截圖了一下

可以按住方向鍵移動(dòng)蛇的運(yùn)動(dòng)方向

更多有趣的經(jīng)典小游戲?qū)崿F(xiàn)專題，分享給大家：

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