save project

my_game.py

 import pygame
 from pygame import locals
-
+import random
 pygame.init()  # 初始化
 # 创建一个窗口
 screen = pygame.display.set_mode((1000, 600))
@@ -11,7 +11,7 @@ background = pygame.image.load('bg.png')    # 背景
 road = pygame.image.load('road.png')      # 路image
 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'),
@@ -21,6 +21,10 @@ index = 0
 y = 400
 state = "running"
 t = 30
+ob = random.choice([stone,cacti,bush])
+ob_rect = ob.get_rect()
+ob_rect.x = 1000
+ob_rect.y = 500 - ob_rect.height
 while True:
     for event in pygame.event.get():
         if event.type == locals.QUIT:
@@ -52,6 +56,12 @@ while True:
     screen.blit(background, (0, 0))
     screen.blit(road, (0, 500))
     screen.blit(wukong, (150, y))
-    # 刷新画面
+    ob_rect.x -= 8
+    if ob_rect.x <= 0 - ob_rect.height:
+        ob = random.choice([stone,cacti,bush])
+        ob_rect = ob.get_rect()
+        ob_rect.x = 1000
+        ob_rect.y = 500 - ob_rect.height
+    screen.blit(ob,(ob_rect.x,ob_rect.y))
     pygame.display.update()
     FPS.tick(60)
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