save project

my_game.py

@@ -26,7 +26,8 @@ obstacle = random.choice([bush, stone, cacti])
 rect = obstacle.get_rect()
 rect.x = 1000
 rect.y = 500 - rect.height
-
+ii=0
+bb=0
 while True:
     for event in pygame.event.get():
         if event.type == locals.QUIT:
@@ -57,9 +58,15 @@ while True:
         index += 1
         if index >= 5:
             index = 0
+    if ii <= 0-1000:
+        ii=0
+    ii-=8
+    if bb <= 0-1000:
+        bb=0
+    bb-=5
     # 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, (bb, 0))     # 远处背景
+    screen.blit(road, (ii, 500))     # 路
     screen.blit(wukong, (150, y))     # 悟空
 
     if rect.x <= 0-rect.width:      # 障碍物消失
@@ -69,6 +76,7 @@ while True:
         rect.x = 1000
         rect.y = 500 - rect.height
     rect.x -= 8
+
     screen.blit(obstacle, (rect.x, rect.y)) 
     # 刷新画面
     pygame.display.update()