auto save

my_game.py

 import pygame
 from pygame import locals
 import random
-
+pygame.init()
 class Block(pygame.sprite.Sprite):
     def __init__(self,image1,image2,image3):
         super().__init__()
@@ -9,7 +9,6 @@ class Block(pygame.sprite.Sprite):
         self.rect=self.image.get_rect()
         self.rect.x=1000
         self.rect.y=500-self.rect.height
-pygame.init()  # 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）
@@ -32,7 +31,9 @@ y = 400
 jumpState = "runing"
 t = 30
 aa=Block(bush,cacti,stone)
-
+bg_x=0
+road_x=0
+obstacle = Block(bush,cacti,stone)
 while True:
     for event in pygame.event.get():
         if event.type == locals.QUIT:
@@ -42,6 +43,17 @@ while True:
             if jumpState == "runing":
                 if event.key == locals.K_SPACE:
                     jumpState = "up"
+    if obstacle.rect.x<= 0-obstacle.rect.width:
+        obstacle = Block(bush,cacti,stone)
+    obstacle.rect.x -=8
+    bg_x-=1
+    if bg_x<= -1000:
+        bg_x=0
+    screen.blit(background,(bg_x,0))
+    road_x -= 8
+    if road_x <= -1000:
+        road_x = 0
+    screen.blit(road,(road_x,500))    
 
     if jumpState == "up":    # 起跳状态
         if t > 0: