auto save

my_game.py

 import pygame
 from pygame import locals
 import random
-
-pygame.init()  # 初始化
+pygame.init() 
+class Block # 初始化
 # 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）
@@ -22,11 +22,12 @@ index = 0
 y = 400
 jumpState = "runing"
 t = 30
-obstacle = random.choice([bush, stone, cacti])
+road_x=0
+obstacle = random.choice([bush,stone,cacti])
 rect = obstacle.get_rect()
 rect.x = 1000
 rect.y = 500 - rect.height
-
+bg_x=0
 while True:
     for event in pygame.event.get():
         if event.type == locals.QUIT:
@@ -36,7 +37,12 @@ while True:
             if jumpState == "runing":
                 if event.key == locals.K_SPACE:
                     jumpState = "up"
-
+    bg_x-=1
+    if bg_x<-1000:
+        bg_x=0
+    road_x-=8
+    if road_x<-1000:
+        road_x=0
     if jumpState == "up":    # 起跳状态
         if t > 0:
             y -= t
@@ -58,8 +64,9 @@ while True:
         if index >= 5:
             index = 0
     # 将背景图画上去
-    screen.blit(background, (0, 0))     # 远处背景
-    screen.blit(road, (0, 500))     # 路
+    screen.blit(background, (bg_x, 0))
+    road_x -=8    # 
+    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