save project

my_game.py

@@ -33,6 +33,7 @@ jumpState = "runing"
 t = 30
 aa=Block(bush,cacti,stone)
 block_list=pygame.sprite.Group()
+time=0
 
 while True:
     for event in pygame.event.get():
@@ -75,12 +76,19 @@ while True:
     screen.blit(road, (lu_x, 500))     # 路
     screen.blit(wukong, (150, y))     # 悟空
 
-    aa=Block(bush,cacti,stone)
-    block_list.add(aa)
+    time+=1
+    if time>=60:
+        time=0
+        num=random.randint(0,50)
+        if num>20:
+            aa=Block(bush,cacti,stone)
+            block_list.add(aa)
+
     for aaa in block_list:
         aaa.rect.x -= 8
         screen.blit(aaa.image, (aaa.rect.x, aaa.rect.y)) 
-
+        if aaa.rect.x <=0-aaa.rect.height:
+            aaa.kill()