自学教程：基于pygame实现贪吃蛇小游戏示例

import copyimport randomimport sysimport pygame

# 蛇模型snake_list = [[10, 10]]# 食物的模型x = random.randint(10, 490)y = random.randint(10, 490)food_point = [x, y]food_r, food_g, food_b = random.randint(0, 255), random.randint(0, 255), random.randint(0, 255)food_color = pygame.Color(food_r, food_g, food_b)# 初始方向move_up = Falsemove_down = Falsemove_left = Falsemove_right = True# 初始分数score=0pygame.init()screen = pygame.display.set_mode((500, 500))    # 画布大小title = pygame.display.set_caption('贪吃蛇')   # 名字clock = pygame.time.Clock() # 游戏时钟

for event in pygame.event.get():    # 获取键盘事件    if event.type == pygame.QUIT:        running=False        sys.exit()    if event.type == pygame.KEYDOWN:        if event.key == pygame.K_DOWN or event.key == pygame.K_s:            move_up = False            move_down = True            move_left = False            move_right = False        if event.key == pygame.K_UP or event.key == pygame.K_w:            move_up = True            move_down = False            move_left = False            move_right = False        if event.key == pygame.K_LEFT or event.key == pygame.K_a:            move_up = False            move_down = False            move_left = True            move_right = False        if event.key == pygame.K_RIGHT or event.key == pygame.K_d:            move_up = False            move_down = False            move_left = False            move_right = True        if event.key == pygame.K_ESCAPE:    # esc关闭            running=False            sys.exit()        if event.key ==pygame.K_SPACE and not running:            running=True            snake_list = [[10, 10]]            score=0

	# 身子移动    snake_len = len(snake_list) - 1    while snake_len > 0:        snake_list[snake_len] = copy.deepcopy(snake_list[snake_len - 1])        snake_len -= 1    # 蛇头移动    if move_up:        snake_list[snake_len][1] -= 10        if snake_list[snake_len][1] < 0:            snake_list[snake_len][1] = 500    if move_down:        snake_list[snake_len][1] += 10        if snake_list[snake_len][1] > 500:            snake_list[snake_len][1] = 0    if move_left:        snake_list[snake_len][0] -= 10        if snake_list[snake_len][0] < 0:            snake_list[snake_len][0] = 500    if move_right:        snake_list[snake_len][0] += 10        if snake_list[snake_len][0] > 500:            snake_list[snake_len][0] = 0

# 蛇与食物碰撞检测if food_rect.collidepoint(snake_pos):    snake_list.append(food_point)    food_point = [random.randint(10, 490), random.randint(10, 490)] # 重新生成食物    food_r, food_g, food_b = random.randint(0, 255), random.randint(0, 255), random.randint(0, 255)    food_color = pygame.Color(food_r, food_g, food_b)    score+=1    break

# 吃到自己 结束游戏snake_head_rect = snake_rect[0] # 蛇头count = len(snake_rect)while count > 1:	if snake_head_rect.colliderect(snake_rect[count - 1]): # 检测蛇头与身子的所有点		running=False	count -= 1

    if not running:        show_text(screen, (20,200), 'GAME OVER!', (227, 29, 18), False, 100)        show_text(screen, (120,300), 'press space to try again', (223, 223, 223), False, 30)

def show_text(screen, pos, text, color, font_bold=False, font_size=60, font_italic=False):    cur_font = pygame.font.SysFont('宋体', font_size)    cur_font.set_bold(font_bold)    cur_font.set_italic(font_italic)    text_fmt = cur_font.render(text, 1, color)    screen.blit(text_fmt, pos)

import copyimport randomimport sysimport pygamedef show_text(screen, pos, text, color, font_bold=False, font_size=60, font_italic=False):    cur_font = pygame.font.SysFont('宋体', font_size)    cur_font.set_bold(font_bold)    cur_font.set_italic(font_italic)    text_fmt = cur_font.render(text, 1, color)    screen.blit(text_fmt, pos)# 蛇模型snake_list = [[10, 10]]# 食物的模型x = random.randint(10, 490)y = random.randint(10, 490)food_point = [x, y]food_r, food_g, food_b = random.randint(0, 255), random.randint(0, 255), random.randint(0, 255)food_color = pygame.Color(food_r, food_g, food_b)# 初始方向move_up = Falsemove_down = Falsemove_left = Falsemove_right = Truepygame.init()screen = pygame.display.set_mode((500, 500))    # 画布大小title = pygame.display.set_caption('贪吃蛇')   # 名字clock = pygame.time.Clock() # 游戏时钟running=True    # 游戏运行标志score=0while True:    clock.tick(20)  # 20fps    screen.fill([255, 255, 255])    # 背景填充    for event in pygame.event.get():    # 获取键盘事件        if event.type == pygame.QUIT:            running=False            sys.exit()        if event.type == pygame.KEYDOWN:            if event.key == pygame.K_DOWN or event.key == pygame.K_s:                move_up = False                move_down = True                move_left = False                move_right = False            if event.key == pygame.K_UP or event.key == pygame.K_w:                move_up = True                move_down = False                move_left = False                move_right = False            if event.key == pygame.K_LEFT or event.key == pygame.K_a:                move_up = False                move_down = False                move_left = True                move_right = False            if event.key == pygame.K_RIGHT or event.key == pygame.K_d:                move_up = False                move_down = False                move_left = False                move_right = True            if event.key == pygame.K_ESCAPE:    # esc关闭                running=False                sys.exit()            if event.key ==pygame.K_SPACE and not running:                running=True                snake_list = [[10, 10]]                score=0    # 身子移动    snake_len = len(snake_list) - 1    while snake_len > 0:        snake_list[snake_len] = copy.deepcopy(snake_list[snake_len - 1])        snake_len -= 1    # 蛇头移动    if move_up:        snake_list[snake_len][1] -= 10        if snake_list[snake_len][1] < 0:            snake_list[snake_len][1] = 500    if move_down:        snake_list[snake_len][1] += 10        if snake_list[snake_len][1] > 500:            snake_list[snake_len][1] = 0    if move_left:        snake_list[snake_len][0] -= 10        if snake_list[snake_len][0] < 0:            snake_list[snake_len][0] = 500    if move_right:        snake_list[snake_len][0] += 10        if snake_list[snake_len][0] > 500:            snake_list[snake_len][0] = 0    if running:        # 绘制得分        show_text(screen, (200,20), f'score: {score}', (0, 0, 0), False, 30)        # 绘制食物        food_rect = pygame.draw.circle(screen, food_color, food_point, 15)        # 绘制蛇        snake_rect = []        for snake_pos in snake_list:            snake_rect.append(pygame.draw.circle(screen, food_color, snake_pos, 5))            # 蛇与食物碰撞检测            if food_rect.collidepoint(snake_pos):                snake_list.append(food_point)                food_point = [random.randint(10, 490), random.randint(10, 490)] # 重新生成食物                food_r, food_g, food_b = random.randint(0, 255), random.randint(0, 255), random.randint(0, 255)                food_color = pygame.Color(food_r, food_g, food_b)                score+=1                break    # 吃到自己 结束游戏    snake_head_rect = snake_rect[0] # 蛇头    count = len(snake_rect)    while count > 1:        if snake_head_rect.colliderect(snake_rect[count - 1]): # 检测蛇头与身子的所有点            running=False        count -= 1    if not running:        show_text(screen, (20,200), 'GAME OVER!', (227, 29, 18), False, 100)        show_text(screen, (120,300), 'press space to try again', (223, 223, 223), False, 30)    pygame.display.update()  # 绘制