save project

my_game.py

 import pygame
+import random
 from pygame import locals
 
 pygame.init()  # 初始化
@@ -21,6 +22,12 @@ hero = [pygame.image.load('hero1.png'),
 m = 0
 j="runing" 
 y=400
+
+w=random.choice([stone,cacti,apple])
+rect=w.get_rect()
+rect.x=1000
+rect.y=500-rect.height
+
 t=30
 
 while True:
@@ -57,5 +64,13 @@ while True:
     screen.blit(road, (0, 500))
     screen.blit(hero1, (150, y))
     # 刷新画面
+    if rect.x<=0-rect.width:
+        w=random.choice([stone,cacti,apple])
+        rect=w.get_rect()
+        rect.x=1000
+        rect.y=500-rect.height
+    rect.x-=5
+    screen.blit(w,(rect.x,rect.y))
+
     pygame.display.update()
     FPS.tick(60)
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