save project

my_game.py

@@ -33,7 +33,8 @@ y = 400
 jumpState = "runing"
 t = 30
 aa=Block(bush,cacti,stone)
-
+time=0
+block_list=pygame.sprite.Group()
 while True:
     for event in pygame.event.get():
         if event.type == locals.QUIT:
@@ -43,7 +44,7 @@ while True:
             if jumpState == "runing":
                 if event.key == locals.K_SPACE:
                     jumpState = "up"
-if 
+
     if jumpState == "up":    # 起跳状态
         if t > 0:
             y -= t
@@ -80,6 +81,19 @@ if
         aa=Block(bush,cacti,stone)
     aa.rect.x -= 8
     
+    time+=1
+    if time>=60:
+        r=random.randint(0,100)
+        if r>40:
+            obstacle=Block(bush,cacti,stone)
+            block_list.add(obstacle)
+        time=0
+    
+    for aa in block_list:
+        aa.rect.x-+8
+        screen.blit(aa.image,(aa.rect.x,aa.rect.y))
+        if aa.rect.x<=0-aa.rect.width:
+            aa.kill()
  
     screen.blit(aa.image, (aa.rect.x, aa.rect.y)) 
     # 刷新画面