如何用不超过200行Python代码编写一个简单的贪吃蛇游戏？

本文共计1643个文字，预计阅读时间需要7分钟。

本例分享了一个简单的贪吃蛇游戏的整体代码，供大家参考学习。下面是游戏的主要代码部分：

pythonimport pygameimport timeimport numpy as np

游戏初始化pygame.init()width, height=640, 480screen=pygame.display.set_mode((width, height))pygame.display.set_caption(贪吃蛇游戏)

颜色定义black=(0, 0, 0)white=(255, 255, 255)red=(213, 50, 80)green=(0, 255, 0)blue=(50, 153, 213)

蛇的初始位置和大小snake_block=10snake_speed=15snake_list=[]snake_length=1

食物的初始位置foodx=round(np.random.randrange(0, width - snake_block) / 10.0) * 10.0foody=round(np.random.randrange(0, height - snake_block) / 10.0) * 10.0

游戏循环clock=pygame.time.Clock()font_style=pygame.font.SysFont(None, 50)score_font=pygame.font.SysFont(None, 35)

def our_snake(snake_block, snake_list): for x in snake_list: pygame.draw.rect(screen, black, [x[0], x[1], snake_block, snake_block])

def message(msg, color): mesg=font_style.render(msg, True, color) screen.blit(mesg, [width / 6, height / 3])

def gameLoop(): game_over=False game_close=False

x1=width / 2 y1=height / 2

x1_change=0 y1_change=0

while not game_over:

while game_close==True: screen.fill(blue) message(You Lost! Press Q-Quit or C-Play Again, red) pygame.display.update()

for event in pygame.event.get(): if event.type==pygame.KEYDOWN: if event.key==pygame.K_q: game_over=True game_close=False if event.key==pygame.K_c: gameLoop()

for event in pygame.event.get(): if event.type==pygame.QUIT: game_over=True if event.type==pygame.KEYDOWN: if event.key==pygame.K_LEFT: x1_change=-snake_block y1_change=0 elif event.key==pygame.K_RIGHT: x1_change=snake_block y1_change=0 elif event.key==pygame.K_UP: y1_change=-snake_block x1_change=0 elif event.key==pygame.K_DOWN: y1_change=snake_block x1_change=0

if x1 >=width or x1 =height or y1 snake_length: del snake_list[0]

for x in snake_list[:-1]: if x==snake_head: game_close=True

our_snake(snake_block, snake_list)

pygame.display.update()

if x1==foodx and y1==foody: foodx=round(np.random.randrange(0, width - snake_block) / 10.0) * 10.0 foody=round(np.random.randrange(0, height - snake_block) / 10.0) * 10.0 snake_length +=1

clock.tick(snake_speed)

pygame.quit() quit()

gameLoop()

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

这次我们来写一个贪吃蛇游戏

下面贴出具体代码

import pygame import time import numpy as np # 此模块包含游戏所需的常量 from pygame.locals import * # 设置棋盘的长宽 BOARDWIDTH = 48 BOARDHEIGHT = 28 # 分数 score = 0 class Food(object): def __init__(self): self.item = (4, 5) # 画出食物 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 # 画出半径为 10 的粉色实心圆 pygame.draw.circle(screen, color, position, radius, width) # 随机产生食物 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]) # 贪吃蛇 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 竖直方向 # 初始方向竖直向上 self.item = [(3, 25), (2, 25), (1, 25), (1, 24), ] self.x = 0 self.y = -1 def move(self, enlarge): # enlarge 标记贪吃蛇有没有吃到食物 if not enlarge: # 吃到食物删除尾部元素 self.item.pop() # 新蛇头的坐标为旧蛇头坐标加上移动方向的位移 head = (self.item[0][0] + self.x, self.item[0][1] + self.y) # 将新的蛇头坐标插入在 list 最前面 self.item.insert(0, head) def eat_food(self, food): global score # snack_x,snack_y 蛇头坐标 # food_x, food_y 食物坐标 snack_x, snack_y = self.item[0] food_x, food_y = food.item # 比较蛇头坐标与食物坐标 if (food_x == snack_x) and (food_y == snack_y): score += 100 return 1 else: return 0 def toward(self, x, y): # 改变蛇头朝向 if self.x * x >= 0 and self.y * y >= 0: self.x = x self.y = y def get_head(self): # 获取蛇头坐标 return self.item[0] def draw(self, screen): # 画出贪吃蛇 # 蛇头为半径为 15 的红色实心圆 radius = 15 width = 15 # i:1---34 j:1---25 color = 255, 0, 0 # position 为图形的坐标 position = 10 + 20 * self.item[0][0], 10 + 20 * self.item[0][1] pygame.draw.circle(screen, color, position, radius, width) # 蛇身为半径为 10 的黄色实心圆 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 # 左右边框占用了 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) # 上下边框占用了 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) # 游戏失败 def game_over(snack): broad_x, broad_y = snack.get_head() flag = 0 old = len(snack.item) new = len(set(snack.item)) # 游戏失败的两种可能 # 咬到自身 if new < old: flag = 1 # 撞到边框 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为字体颜色 # (x,y)是文本在屏幕上的位置 imgText = font.render(text, True, color) screen.blit(imgText, (x, y)) # 按键 def press(keys, snack): global score # K_w 为 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) # 重置游戏 elif keys[K_r]: score = 0 main() # 退出游戏 elif keys[K_ESCAPE]: exit() # 游戏初始化 def game_init(): # pygame 初始化 pygame.init() # 设置游戏界面大小 screen = pygame.display.set_mode((BOARDWIDTH * 20, BOARDHEIGHT * 20)) # 设置游戏标题 pygame.display.set_caption('贪吃蛇游戏') # sound = pygame.mixer.Sound(AUDIONAME) # channel = pygame.mixer.find_channel(True) # channel.play(sound) return screen # 开始游戏 def game(screen): snack = Snack() food = Food() # 设置中文字体和大小 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) # 获得用户按键命令 keys = pygame.key.get_pressed() press(keys, snack) # 游戏失败打印提示 if is_fail: font2 = pygame.font.Font(None, 40) print_text(screen, font2, 400, 200, "GAME OVER") # 游戏主进程 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) # 游戏刷新 pygame.display.update() time.sleep(0.1) # 主程序 def main(): screen = game_init() game(screen) if __name__ == '__main__': main()

程序运行效果

简单截图了一下
可以按住方向键移动蛇的运动方向

更多有趣的经典小游戏实现专题，分享给大家：

C++经典小游戏汇总

python经典小游戏汇总

python俄罗斯方块游戏集合

JavaScript经典游戏 玩不停

java经典小游戏汇总

javascript经典小游戏汇总

以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持易盾网络。