save project

my_game.py

 import pygame
 from pygame import locals
 import random
-
+time = 0
 pygame.init()  # 初始化
 # 创建一个窗口
 class Block(pygame.sprite.Sprite):
@@ -38,7 +38,7 @@ rect.x = 1000
 rect.y = 500 - rect.height
 
 obstacle = Block(bush,cacti,stone)
-
+block_list =pygame.sprite.Group()
 while True:
     for event in pygame.event.get():
         if event.type == locals.QUIT:
@@ -76,6 +76,24 @@ while True:
     screen.blit(road, (0, 500))     # 路
     screen.blit(wukong, (150, y))     # 悟空
 
+    time += 1
+    if time >= 60:
+        time = 0
+        num = random.randint(0,50)
+        if num > 20:
+            obstacle = Block(bush,cacti,stone)
+            block_list.add(obstacle)
+    for sprite in block_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(bush,cacti,stone)