save project

my_game.py

 import pygame
 from pygame import locals
-
+import random
 pygame.init()  # 初始化
 # 创建一个窗口
 screen = pygame.display.set_mode((1000, 600))
@@ -21,7 +21,10 @@ index = 0
 y = 400
 state = "running"
 t = 30
-
+ob=random.choice([stone,cacti,apple])
+ob_res=ob.get_rect()
+ob_res.x=1000
+ob_res.y=500-ob_res.height
 while True:
     for event in pygame.event.get():
         if event.type == locals.QUIT:
@@ -53,6 +56,13 @@ while True:
     screen.blit(background, (0, 0))
     screen.blit(road, (0, 500))
     screen.blit(wukong, (150, y))
+    ob_res.x-=30
+    if ob_res.x<0-ob_res.width: 
+        ob=random.choice([stone,cacti,apple])
+        ob_res=ob.get_rect()
+        ob_res.x=1000
+        ob_res.y=500-ob_res.height
+    screen.blit(ob,(ob_res.x,ob_res.y))
     # 刷新画面
     pygame.display.update()
     FPS.tick(60)
\ No newline at end of file