python贪吃蛇游戏源码

源码如下：

如果没有安装pygame游戏库，需要安装后才能正常使用

pygame游戏库获取如下：

https://pypi.org/project/pygame/

 

源码如下：

import random
import sys
import time
import pygame
from pygame.locals import *
from collections import dequeSCREEN_WIDTH = 600
SCREEN_HEIGHT = 480
SIZE = 20def print_text(screen, font, x, y, text, fcolor=(255, 255, 255)):imgText = font.render(text, True, fcolor)screen.blit(imgText, (x, y))def main():pygame.init()screen = pygame.display.set_mode((SCREEN_WIDTH, SCREEN_HEIGHT))pygame.display.set_caption('贪吃蛇')light = (100, 100, 100)  # 蛇的颜色dark = (200, 200, 200)   # 食物颜色font1 = pygame.font.SysFont('SimHei', 24)  # 得分的字体font2 = pygame.font.Font(None, 72)  # GAME OVER 的字体red = (200, 30, 30)                 # GAME OVER 的字体颜色fwidth, fheight = font2.size('GAME OVER')line_width = 1                      # 网格线宽度black = (0, 0, 0)                   # 网格线颜色bgcolor = (40, 40, 60)              # 背景色# 方向，起始向右pos_x = 1pos_y = 0# 如果蛇正在向右移动，那么快速点击向下向左，由于程序刷新没那么快，向下事件会被向左覆盖掉，导致蛇后退，直接GAME OVER# b 变量就是用于防止这种情况的发生b = True# 范围scope_x = (0, SCREEN_WIDTH // SIZE - 1)scope_y = (2, SCREEN_HEIGHT // SIZE - 1)# 蛇snake = deque()# 食物food_x = 0food_y = 0# 初始化蛇def _init_snake():nonlocal snakesnake.clear()snake.append((2, scope_y[0]))snake.append((1, scope_y[0]))snake.append((0, scope_y[0]))# 食物def _create_food():nonlocal food_x, food_yfood_x = random.randint(scope_x[0], scope_x[1])food_y = random.randint(scope_y[0], scope_y[1])while (food_x, food_y) in snake:# 为了防止食物出到蛇身上food_x = random.randint(scope_x[0], scope_x[1])food_y = random.randint(scope_y[0], scope_y[1])_init_snake()_create_food()game_over = Truestart = False       # 是否开始，当start = True，game_over = True 时，才显示 GAME OVERscore = 0           # 得分orispeed = 0.5      # 原始速度speed = orispeedlast_move_time = Nonepause = False       # 暂停while True:for event in pygame.event.get():if event.type == QUIT:sys.exit()elif event.type == KEYDOWN:if event.key == K_RETURN:if game_over:start = Truegame_over = Falseb = True_init_snake()_create_food()pos_x = 1pos_y = 0# 得分score = 0last_move_time = time.time()elif event.key == K_SPACE:if not game_over:pause = not pauseelif event.key in (K_w, K_UP):# 这个判断是为了防止蛇向上移时按了向下键，导致直接 GAME OVERif b and not pos_y:pos_x = 0pos_y = -1b = Falseelif event.key in (K_s, K_DOWN):if b and not pos_y:pos_x = 0pos_y = 1b = Falseelif event.key in (K_a, K_LEFT):if b and not pos_x:pos_x = -1pos_y = 0b = Falseelif event.key in (K_d, K_RIGHT):if b and not pos_x:pos_x = 1pos_y = 0b = False# 填充背景色screen.fill(bgcolor)# 画网格线 竖线for x in range(SIZE, SCREEN_WIDTH, SIZE):pygame.draw.line(screen, black, (x, scope_y[0] * SIZE), (x, SCREEN_HEIGHT), line_width)# 画网格线 横线for y in range(scope_y[0] * SIZE, SCREEN_HEIGHT, SIZE):pygame.draw.line(screen, black, (0, y), (SCREEN_WIDTH, y), line_width)if game_over:if start:print_text(screen, font2, (SCREEN_WIDTH - fwidth)//2, (SCREEN_HEIGHT - fheight)//2, 'GAME OVER', red)else:curTime = time.time()if curTime - last_move_time > speed:if not pause:b = Truelast_move_time = curTimenext_s = (snake[0][0] + pos_x, snake[0][1] + pos_y)if next_s[0] == food_x and next_s[1] == food_y:# 吃到了食物_create_food()snake.appendleft(next_s)score += 10speed = orispeed - 0.03 * (score // 100)else:if scope_x[0] <= next_s[0] <= scope_x[1] and scope_y[0] <= next_s[1] <= scope_y[1] \and next_s not in snake:snake.appendleft(next_s)snake.pop()else:game_over = True# 画食物if not game_over:# 避免 GAME OVER 的时候把 GAME OVER 的字给遮住了pygame.draw.rect(screen, light, (food_x * SIZE, food_y * SIZE, SIZE, SIZE), 0)# 画蛇for s in snake:pygame.draw.rect(screen, dark, (s[0] * SIZE + line_width, s[1] * SIZE + line_width,SIZE - line_width * 2, SIZE - line_width * 2), 0)print_text(screen, font1, 30, 7, f'速度: {score//100}')print_text(screen, font1, 450, 7, f'得分: {score}')pygame.display.update()if __name__ == '__main__':main()