save project

snake.py

@@ -7,7 +7,7 @@ pygame.init()
 # 创建一个窗口
 screen = pygame.display.set_mode((660, 480))
 FPSCLOCK = pygame.time.Clock()  # pygame时钟，控制游戏速度（帧数）
-
+score=0
 # 背景
 background = pygame.image.load('bg.png')
 right = pygame.image.load('right.png')      # 头 朝右
@@ -24,7 +24,7 @@ apple_x=360
 apple_y=300
 setheading = "right"
 snake_head = right
-score=0
+
 while True:
     for event in pygame.event.get():
         if event.type == locals.QUIT:
@@ -69,13 +69,14 @@ while True:
     # 将贪吃蛇的头画上去
     screen.blit(snake_head, position[-1])
     # 将贪吃蛇的身体画上去
-    if 
+    if x<0 or x>630 or y<0 or y>450:
+        exit()
     
     # 将果实画上去
     screen.blit(food, (360, 300))
     info="Score:"+str(score)
     text=my_font.render(info,True,(0,0,0))
-    screen.blit(text,(540,10))
+    screen.blit(text,(540,100))
     if x<0 or x>630 or y<0 or y>630:
         exit()
     # 刷新画面