auto save

my_game.py

@@ -23,6 +23,7 @@ y = 400
 jumpState = "runing"
 t = 30
 road_x = 0
+background_x = 0
 obstacle = random.choice([bush, stone, cacti])
 rect = obstacle.get_rect()
 rect.x = 1000
@@ -59,10 +60,13 @@ while True:
         if index >= 5:
             index = 0
     # 将背景图画上去
-    screen.blit(background, (0, 0))  
+    background_x -= 2
+    screen.blit(background, (background_x, 0))  
     road_x -= 8   # 远处背景
     screen.blit(road, (road_x, 500))     # 路
-    screen.blit(wukong, (150, y))     # 悟空
+    screen.blit(wukong, (150, y))  
+    if background_x < -1000:
+        background_x = 0   # 悟空
 
     if road_x <-1000:
         road_x = 0