save project

my_game.py

 import pygame
 from pygame import locals
 import random
-
+D=0
+F=0
 pygame.init()  # 初始化
 # 创建一个窗口
 screen = pygame.display.set_mode((1000, 600))
@@ -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
+    F-=2
+    if F<=-1000:
+        F=0
+    screen.blit(background, (F, 0)) 
+    D-=8 
+    if D<=-1000: 
+        D=0  # 远处背景
+    screen.blit(road, (D, 500))     # 路
     screen.blit(wukong, (150, y))     # 悟空
 
     if rect.x <= 0-rect.width:      # 障碍物消失
@@ -72,4 +79,4 @@ while True:
     screen.blit(obstacle, (rect.x, rect.y)) 
     # 刷新画面
     pygame.display.update()
-    FPS.tick(60)
\ No newline at end of file
+    FPS.tick(20)
\ No newline at end of file