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
-
+rx=0
+bx=0
 while True:
     for event in pygame.event.get():
         if event.type == locals.QUIT:
@@ -58,8 +59,14 @@ 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
+    bx-=6
+    if bx <=-1000:
+        bx=0
+    screen.blit(background, (bx, 0))
+    rx-=8
+    if rx<=-1000:
+        rx=0     # 远处背景
+    screen.blit(road, (rx, 500))     # 路
     screen.blit(wukong, (150, y))     # 悟空
 
     if rect.x <= 0-rect.width:      # 障碍物消失