save project

my_game.py

 import pygame
 from pygame import locals
+import random
+from random import *
 
 pygame.init()  # 初始化
 # 创建一个窗口
@@ -9,18 +11,23 @@ FPS = pygame.time.Clock()  # pygame时钟，控制游戏速度（帧数）
 background = pygame.image.load('bg.png')    # 背景
 road = pygame.image.load('road.png')      # 路
 stone = pygame.image.load('stone.png')      # 石头
-cacti = pygame.image.load('cacti.png')      # 仙人掌
-apple = pygame.image.load('bush.png')      # 灌木丛
+bush = pygame.image.load('bush.png')      # 灌木丛
 hero = [pygame.image.load('hero1.png'),
         pygame.image.load('hero2.png'),
         pygame.image.load('hero3.png'),
         pygame.image.load('hero4.png'),
         pygame.image.load('hero5.png')]
+cacti=pygame.image.load("cacti.png")
+
 
 index = 0
 y=400 
 state="running"
 t=30
+obstacle=choice([stone,bush,cacti])
+rect=obstacle.get_rect()
+rect.x=1000
+rect.y=400
 while True:
     for event in pygame.event.get():
         if event.type == locals.QUIT:
@@ -46,16 +53,10 @@ while True:
     if state == 'running':
         y=400
     
-
-                
-
-            
-
-
-
     # 将背景图画上去
     screen.blit(background, (0, 0))
     screen.blit(road, (0, 500))
+
     if state=="running":
         index+=1
     else:
@@ -65,6 +66,18 @@ while True:
     screen.blit(hero[index], (150, y))
     
 
+    if rect.x<0-rect.width:
+        obstacle=choice([stone,bush,cacti])
+        rect=obstacle.get_rect()
+        rect.x=1000
+        rect.y=400
+        
+
+    rect.x-=8
+    screen.blit(obstacle, (rect.x,rect.y))
+    
+
+    
     
     # 刷新画面
     pygame.display.update()