auto save

snake.py

 import pygame
 from pygame import locals
+import random
 
 # 初始化pygame，为使用硬件做准备
 pygame.init()
@@ -16,12 +17,15 @@ body = pygame.image.load('body.png')        # 身体
 left = pygame.image.load('left.png')        # 头 朝左
 up = pygame.image.load('up.png')            # 头 朝上
 down = pygame.image.load('down.png')        # 头 朝下
-
+my_font = pygame.font.Font('neuropol.ttf', 20)
 x, y = 240, 120
 position = [(180, 90), (180, 120), (210, 120), (x, y)]
 
 setheading = "right"
 snake_head = right
+apple_x = 360
+apple_y = 300
+score = 0
 
 while True:
     for event in pygame.event.get():
@@ -51,8 +55,16 @@ while True:
         y -= 30
     else:
         y += 30
+    if x < 0 or x > 630 or y < 0 or y > 450:
+        
+        exit()
     position.append((x, y))
-    position.pop(0)
+    if x == apple_x and y == apple_y:
+        apple_x = random.randint(0,21) * 30
+        apple_y = random.randint(0,15) * 30
+        score += 10
+    else:
+        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 +72,11 @@ while True:
     # 将贪吃蛇的身体画上去
     for i in range(len(position)-1):
         screen.blit(body, position[i])
-
+    text = 'Score ' + str(score)
+    text = my_font.render(text, True, (255,0,0))
+    screen.blit(text,(530,10))
     # 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)
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