diff --git a/snake.py b/snake.py index 537316e..7dba02c 100644 --- a/snake.py +++ b/snake.py @@ -1,5 +1,6 @@ import pygame from pygame import locals +import random # 初始化pygame,为使用硬件做准备 pygame.init() @@ -19,10 +20,10 @@ down = pygame.image.load('down.png') # 头 朝下 x, y = 240, 120 position = [(180, 90), (180, 120), (210, 120), (x, y)] - +apple_x=360 +apple_y=300 setheading = "right" snake_head = right - while True: for event in pygame.event.get(): if event.type == locals.QUIT: @@ -52,7 +53,11 @@ while True: else: y += 30 position.append((x, y)) + if x==apple_x and y==apple_y: + apple_x=random.randint(0,660) + apple_y=random.randint(0,480) position.pop(0) + # 将背景图画上去 screen.blit(background, (0, 0)) # 将贪吃蛇的头画上去 @@ -60,9 +65,8 @@ while True: # 将贪吃蛇的身体画上去 for i in range(len(position)-1): screen.blit(body, position[i]) - # 将果实画上去 - screen.blit(food, (360, 300)) + screen.blit(food,(apple_x, apple_y)) # 刷新画面 pygame.display.update() FPSCLOCK.tick(3) \ No newline at end of file