save project

my_game.py

@@ -23,6 +23,7 @@ y = 400
 jumpState = "runing"
 jumpState = "runing"
 t = 30
 t = 30
 road_x = 0
 road_x = 0
+bg_x = 0
 
 
 obstacle = random.choice([bush, stone, cacti])
 obstacle = random.choice([bush, stone, cacti])
 rect = obstacle.get_rect()
 rect = obstacle.get_rect()
@@ -60,7 +61,10 @@ while True:
         if index >= 5:
         if index >= 5:
             index = 0
             index = 0
     # 将背景图画上去
     # 将背景图画上去
-    screen.blit(background, (0, 0))     # 远处背景
+    bg_x -= 3
+    if bg_x <=-1000:
+        bg_x = 0
+    screen.blit(background, (bg_x, 0))     # 远处背景
     road_x -= 8
     road_x -= 8
     if road_x <=-1000:
     if road_x <=-1000:
         road_x = 0
         road_x = 0