save project

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.Font('neuropol.ttf',18)
 x, y = 240, 120
 position = [(180, 90), (180, 120), (210, 120), (x, y)]
 apple_x = 360
@@ -60,8 +60,6 @@ while True:
         apple_y=30*num2-30
     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))
@@ -73,6 +71,7 @@ while True:
 
     # 将果实画上去
     screen.blit(food, (apple_x, apple_y))
+    
     # 刷新画面
     pygame.display.update()
     FPSCLOCK.tick(3)
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