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 deque SCREEN_WIDTH = 600 SCREEN_HEIGHT = 480 SIZE = 20 def 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 = 1 pos_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 = 0 food_y = 0 # 初始化蛇 def _init_snake(): nonlocal snake snake.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_y food_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 = True start = False # 是否开始，当start = True，game_over = True 时，才显示 GAME OVER score = 0 # 得分 orispeed = 0.5 # 原始速度 speed = orispeed last_move_time = None pause = 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 = True game_over = False b = True _init_snake() _create_food() pos_x = 1 pos_y = 0 # 得分 score = 0 last_move_time = time.time() elif event.key == K_SPACE: if not game_over: pause = not pause elif 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 OVER if b and not pos_y: pos_x = 0 pos_y = -1 b = False elif event.key in (K_s, K_DOWN): if b and not pos_y: pos_x = 0 pos_y = 1 b = False elif event.key in (K_a, K_LEFT): if b and not pos_x: pos_x = -1 pos_y = 0 b = False elif event.key in (K_d, K_RIGHT): if b and not pos_x: pos_x = 1 pos_y = 0 b = 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 = True last_move_time = curTime next_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 += 10 speed = 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()

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