save project

my_game.py

 import pygame
 from pygame import locals
+import random
 
 pygame.init()  # 初始化
 # 创建一个窗口
@@ -20,6 +21,10 @@ index = 0
 y=400
 jnmp='runing'
 t=30
+odst=random.choice([stone,cacti,apple])
+rect=odst.get_rect()
+rect.x=1000
+rect.y=500-rect.height
 
 while True:
     for event in pygame.event.get():
@@ -53,6 +58,13 @@ while True:
     screen.blit(background, (0, 0))
     screen.blit(road, (0, 500))
     screen.blit(op, (150, y))
+    if rect.x<=0-rect.width:
+        odst=random.choice([stone,cacti,apple])
+        rect=odst.get_rect()
+        rect.x=1000
+        rect.y=500-rect.height
+    rect.x-=8
+    screen.blit(odst,(rect.x,rect.y))
     # 刷新画面
     pygame.display.update()
     FPS.tick(30)
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