save project

lesson3-diy3.py

@@ -27,7 +27,7 @@ apple_y = 300   # 苹果纵坐标
 setheading = "right"
 snake_head = right
 score = 0
-
+z=0
 while True:
     for event in pygame.event.get():
         if event.type == locals.QUIT:
@@ -90,4 +90,5 @@ while True:
 
     # 刷新画面
     pygame.display.update()
-    FPSCLOCK.tick(3)
\ No newline at end of file
+    z=score//30
+    FPSCLOCK.tick(3+z)
\ No newline at end of file