save project

my_game.py

@@ -27,6 +27,9 @@ rect = obstacle.get_rect()
 rect.x = 1000
 rect.y = 500 - rect.height
 
+bg_x = 0
+road_x = 0
+
 while True:
     for event in pygame.event.get():
         if event.type == locals.QUIT:
@@ -57,9 +60,17 @@ while True:
         index += 1
         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
+
+    bg_x -= 1
+    if bg_x<=-1000:
+        bg_x = 0
+    screen.blit(background,(bg_x,0))
+    road_x -= 8
+    if bg_x<=-1000:
+        bg_x = 0
+    screen.blit(road,(road_x,500))
+    
+
     screen.blit(wukong, (150, y))     # 悟空
 
     if rect.x <= 0-rect.width:      # 障碍物消失