auto save

snake.py

 import pygame
 import pygame
 from pygame import locals
 from pygame import locals
-
-# 初始化pygame，为使用硬件做准备
+import random #######################################
 pygame.init()
 pygame.init()
-
-# 创建一个窗口
 screen = pygame.display.set_mode((660, 480))
 screen = pygame.display.set_mode((660, 480))
 FPSCLOCK = pygame.time.Clock()  # pygame时钟，控制游戏速度（帧数）
 FPSCLOCK = pygame.time.Clock()  # pygame时钟，控制游戏速度（帧数）
-
-# 背景
 background = pygame.image.load('bg.png')
 background = pygame.image.load('bg.png')
 right = pygame.image.load('right.png')      # 头 朝右
 right = pygame.image.load('right.png')      # 头 朝右
 food = pygame.image.load('apple.png')       # 食物 苹果
 food = pygame.image.load('apple.png')       # 食物 苹果
@@ -16,13 +11,12 @@ body = pygame.image.load('body.png')        # 身体
 left = pygame.image.load('left.png')        # 头 朝左
 left = pygame.image.load('left.png')        # 头 朝左
 up = pygame.image.load('up.png')            # 头 朝上
 up = pygame.image.load('up.png')            # 头 朝上
 down = pygame.image.load('down.png')        # 头 朝下
 down = pygame.image.load('down.png')        # 头 朝下
-
 x, y = 240, 120
 x, y = 240, 120
 position = [(180, 90), (180, 120), (210, 120), (x, y)]
 position = [(180, 90), (180, 120), (210, 120), (x, y)]
-
 setheading = "right"
 setheading = "right"
 snake_head = right
 snake_head = right
-
+a_x=360#########################
+a_y=300##########################
 while True:
 while True:
     for event in pygame.event.get():
     for event in pygame.event.get():
         if event.type == locals.QUIT:
         if event.type == locals.QUIT:
@@ -52,7 +46,11 @@ while True:
     else:
     else:
         y += 30
         y += 30
     position.append((x, y))
     position.append((x, y))
-    position.pop(0)
+    if x==a_x and y==a_y :############################
+        a_x=30*random.randint(1,21)#########################
+        a_y=30*random.randint(1,15)####################
+    else:
+        position.pop(0)
     # 将背景图画上去
     # 将背景图画上去
     screen.blit(background, (0, 0))
     screen.blit(background, (0, 0))
     # 将贪吃蛇的头画上去
     # 将贪吃蛇的头画上去
@@ -62,7 +60,7 @@ while True:
         screen.blit(body, position[i])
         screen.blit(body, position[i])
 
 
     # 将果实画上去
     # 将果实画上去
-    screen.blit(food, (360, 300))
+    screen.blit(food, (a_x, a_y))#######################################
     # 刷新画面
     # 刷新画面
     pygame.display.update()
     pygame.display.update()
     FPSCLOCK.tick(3)
     FPSCLOCK.tick(3)
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