save project

my_game.py

 import pygame
 from pygame import locals
+import random
 
 pygame.init()  # 初始化
 # 创建一个窗口
@@ -22,6 +23,11 @@ y=400
 jumpState='running'
 zl=30
 
+z=random.choice([stone,cacti,apple])
+rect=z.get_rect()
+rect.x=1000
+rect.y=500-rect.height
+
 while True:
     for event in pygame.event.get():
         if event.type == locals.QUIT:
@@ -43,12 +49,18 @@ while True:
         else:
             jumpState = 'running'
             zl=30
-    #if jumpState=='up' or jumpState=='down':
-        
+    if rect.x<0-rect.width:
+        z=random.choice([stone,cacti,apple])
+        rect=z.get_rect()
+        rect.x=1000
+        rect.y=500-rect.height
+    rect.x-=8
+    
     # 将背景图画上去
     screen.blit(background, (0, 0))
     screen.blit(road, (0, 500))
     screen.blit(hero[index], (150, y))
+    screen.blit(z, (rect.x, rect.y))
     if jumpState=='running':
         index+=1
         if index>4: