save project

my_game.py

 import pygame
 from pygame import locals
 import random
-
+road_x = 0
+bg_x = 0
 pygame.init()  # 初始化
+class Block(pygame.sprite.sprite):
+    def __init__(self,image1,image2,image3):
+        super().__init__()
+        self.image = random.choice([bush, stone, cacti])
+        rect = self.image.get_rect()
+        rect.x = 1000
+        rect.y = 500 - rect.height
 # 创建一个窗口
 screen = pygame.display.set_mode((1000, 600))
 FPS = pygame.time.Clock()  # pygame时钟，控制游戏速度（帧数）
@@ -58,11 +66,14 @@ while True:
         if index >= 5:
             index = 0
     # 将背景图画上去
-    screen.blit(background, (0, 0))     # 远处背景
+    bg_x -= 1
+    if bg_x < -1000:
+        bg_x = 0
+    screen.blit(background, (bg_x, 0))     # 远处背景
     road_x -= 8
     if road_x < -1000:
         road_x = 0
-    screen.blit(road_x, (0, 500))     # 路
+    screen.blit(road, (road_x, 500))     # 路
     screen.blit(wukong, (150, y))     # 悟空
 
     if rect.x <= 0-rect.width:      # 障碍物消失