save project

my_game.py

@@ -38,6 +38,7 @@ rect.y = 500 - rect.height
 rx=0
 bx=0
 time=0
+num=0
 
 while True:
     for event in pygame.event.get():
@@ -81,8 +82,13 @@ while True:
     screen.blit(road, (rx, 500))     # 路
     screen.blit(wukong, (150, y))     # 悟空
 
-    blode=Block(stone,cacti,bush)
-    block_list.add(blode)
+    time+=1
+    if time>=20:
+        time=0
+        num=random.randint(0,50)
+        if num>10:
+            blode=Block(stone,cacti,bush)
+            block_list.add(blode)
     for i in block_list:
      # 障碍物消失
         i.rect.x -= 8