save project

my_game.py

@@ -85,6 +85,11 @@ while True:
         rect.y = 500 - rect.height
     rect.x -= 8
     screen.blit(obstacle, (rect.x, rect.y)) 
+
+    if changaiuw.rect.x<=o-changaiuw.rect.width:
+       changaiuw=Block(bush,stone,cacti)
+       
+
     # 刷新画面
     pygame.display.update()
     FPS.tick(60)
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