auto save

snake.py

@@ -16,7 +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()
 x, y = 240, 120
 position = [(180, 90), (180, 120), (210, 120), (x, y)]
 
@@ -24,7 +24,7 @@ setheading = "right"
 snake_head = right
 
 apple_x=240
-apple_y=180
+apple_y=120
 while True:
     for event in pygame.event.get():
         if event.type == locals.QUIT:
@@ -53,11 +53,14 @@ while True:
         y -= 30
     else:
         y += 30
-    if x == apple_x and y == apple_y:
-        apple_x = random.randint(0,660)
-        apple_y = random.randint(0,480)
     position.append((x, y))
+    if x == apple_x and y == apple_y:
+        apple_x = random.randint(0,21)*30
+        apple_y = random.randint(0,15)*30
+    else:
         position.pop(0)
+    if (x,y) in position[:1]:
+        exit()
     # 将背景图画上去
     screen.blit(background, (0, 0))
     # 将贪吃蛇的头画上去
@@ -68,6 +71,8 @@ while True:
 
     # 将果实画上去
     screen.blit(food, (apple_x, apple_y))
+    lnfo="Score:"+str(score)
+    
     # 刷新画面
     pygame.display.update()
     FPSCLOCK.tick(3)
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