save project

my_game.py

@@ -20,7 +20,7 @@ hero = [pygame.image.load('hero1.png'),
         pygame.image.load('hero4.png'),
         pygame.image.load('hero5.png')]
 index = 0 
-y = 300
+y = 400
 jumpState = "running"
 t = 30
 bg_x = 0
@@ -52,6 +52,7 @@ while True:
            t += 2
        else:
            jumpState= "running" 
+           t=30
     sb = hero[index]
     if jumpState == "running":
         index += 1
@@ -61,16 +62,15 @@ while True:
     # 将背景图画上去
     #+++++++++
     bg_x -= 1
-    if bg_x<=1000:
+    if bg_x <= -1000:
         bg_x = 0
     screen.blit(background, (bg_x, 0))
     road_x -= 8
-    if road_x<=-1000:
+    if road_x <= -1000:
         road_x = 0
-    screen.blit(road, (0, 500))
+    screen.blit(road, (road_x, 500))
     screen.blit(sb, (150, y))
 
-
     if rect.x <= 0-rect.width:
         obstacle = random.choice([bush,cacti,stone])
         rect = obstacle.get_rect()