auto save

snake.py

@@ -16,6 +16,7 @@ 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',18)
 
 x, y = 240, 120
 position = [(180, 90), (180, 120), (210, 120), (x, y)]
@@ -24,7 +25,7 @@ apple_y=300
 
 setheading = "right"
 snake_head = right
-
+score = 0
 while True:
     for event in pygame.event.get():
         if event.type == locals.QUIT:
@@ -59,8 +60,13 @@ while True:
         num2 = random.randint(1,16)
         apple_x = 30*num1-30
         apple_y = 30*num2-30
+        score += 1
     else:
         position.pop(0)
+    if x < 0 or x > 630 or y < 0 or y > 450:
+        exit()
+
+
     # 将背景图画上去
     screen.blit(background, (0, 0))
     # 将贪吃蛇的头画上去
@@ -69,8 +75,12 @@ while True:
     for i in range(len(position)-1):
         screen.blit(body, position[i])
 
-    # 将果实画上去
+    # 将果实画上去    
     screen.blit(food, (apple_x, apple_y))
+
+    info = "score"+str(score)
+    text = my_font.render(info,True,(0,0,0))
+    screen.blit(text,(540,10))
     # 刷新画面
     pygame.display.update()
     FPSCLOCK.tick(3)
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