save project

snake.py

@@ -62,7 +62,7 @@ while True:
         score+=50
         score+=50
     else:
     else:
         position.pop(0)
         position.pop(0)
-        score-=5
+        score-=1
         
         
     position.append((x, y))
     position.append((x, y))
    
    
@@ -82,3 +82,6 @@ while True:
     # 刷新画面
     # 刷新画面
     pygame.display.update()
     pygame.display.update()
     FPSCLOCK.tick(3)
     FPSCLOCK.tick(3)
+    if x<0 or x>630 or y<0 or y>450:
+        exit()
+