save project

my_game.py

@@ -25,13 +25,16 @@ hero = [pygame.image.load('hero1.png'),
         pygame.image.load('hero3.png'),
         pygame.image.load('hero4.png'),
         pygame.image.load('hero5.png')]
+sprite_list=pygame.sprite.Group()
 index = 0   
 y = 400
 jumpState = "runing"
 t = 30
-obstacle = Block(stone,cacti,bush)
+time=0
 road_x=0
 background_x=0
+obstacle = Block(stone,cacti,bush)
+sprite_list.add(obstacle)
 while True:
     for event in pygame.event.get():
         if event.type == locals.QUIT:
@@ -71,14 +74,21 @@ while True:
     if road_x<=-1000:
         road_x=0
     screen.blit(road, (road_x, 500))     # 路
-    screen.blit(wukong, (150, y))     # 悟空
+    screen.blit(wukong, (150, y))
+   
+    time+=1
+    if time>=60:
+        time=0
+        num=random.randint(0,50)
+        if num>20:
+            obstacle = Block(stone,cacti,bush)
+            sprite_list.add(obstacle)
+    for sprite in sprite_list:
+        sprite.rect.x-=8
+        screen.blit(sprite.image, (sprite.rect.x, sprite.rect.y)) 
+        if sprite.rect.x <= 0-sprite.rect.width:
+            sprite.kill()
 
-    if obstacle.rect.x <= 0-obstacle.rect.width:      # 障碍物消失
-        # 创建障碍物对象
-        obstacle = Block(stone,cacti,bush)
-        
-    obstacle.rect.x -= 8
-    screen.blit(obstacle.image, (obstacle.rect.x, obstacle.rect.y)) 
     # 刷新画面
     pygame.display.update()
     FPS.tick(60)
\ No newline at end of file