save project

my_game.py

 import pygame
 from pygame import locals
+import random 
 
 pygame.init()  # 初始化
 # 创建一个窗口
@@ -10,7 +11,7 @@ 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'),
@@ -22,6 +23,10 @@ summ = 0
 y = 400
 t = 30
 jumpstate='runing'
+obstacle = random.choice([bush,stone,cacti])
+rect = obstacle.get_rect()
+rect.x = 1000
+rect.y = 500 - rect.height
 
 while True:
     for event in pygame.event.get():
@@ -50,19 +55,18 @@ while True:
         index += 1
         if index == 5:
             index = 0
-
+    # 将背景图画上去
+    screen.blit(background, (0, 0))
+    screen.blit(road, (0, 500))
+    screen.blit(hero[summ], (150, y))
+    
     if rect.x <= 0-rect.width:
-        obstacle = choice([bush,stone,cacti])
+        obstacle = random.choice([bush,stone,cacti])
         rect = obstacle.get_rect()
         rect.x = 1000
         rect.y = 500 - rect.height
     rect.x -= 8
     screen.blit(obstacle,(rect.x,rect.y))
-
-    # 将背景图画上去
-    screen.blit(background, (0, 0))
-    screen.blit(road, (0, 500))
-    screen.blit(hero[summ], (150, y))
     # 刷新画面
     pygame.display.update()
     FPS.tick(60)