save project

my_game.py

@@ -18,6 +18,8 @@ hero = [pygame.image.load('hero1.png'),
         pygame.image.load('hero3.png'),
         pygame.image.load('hero4.png'),
         pygame.image.load('hero5.png')]
+bg_x = 0
+road_x = 0
 index = 0   
 y = 400
 jumpState = "runing"
@@ -57,9 +59,19 @@ while True:
         index += 1
         if index >= 5:
             index = 0
+    
+    bg_x -= 1
+    if bg_x <= -1000:
+        bg_x = 0
+    screen.blit(background,(bg_x,0))
+
+    road_x -= 8
+    if road_x <= -1000:
+        road_x = 0
+    screen.blit(road,(road_x,500))
+    
+    
     # 将背景图画上去
-    screen.blit(background, (0, 0))     # 远处背景
-    screen.blit(road, (0, 500))     # 路
     screen.blit(wukong, (150, y))     # 悟空
 
     if rect.x <= 0-rect.width:      # 障碍物消失
@@ -68,7 +80,7 @@ while True:
         rect = obstacle.get_rect()
         rect.x = 1000
         rect.y = 500 - rect.height
-    rect.x -= 8
+    rect.x -= 10
     screen.blit(obstacle, (rect.x, rect.y)) 
     # 刷新画面
     pygame.display.update()