save project

my_game.py

 import pygame
 from pygame import locals
-
+import random
 pygame.init()  # 初始化
 # 创建一个窗口
 screen = pygame.display.set_mode((1000, 600))
@@ -16,6 +16,11 @@ hero = [pygame.image.load('hero1.png'),
         pygame.image.load('hero3.png'),
         pygame.image.load('hero4.png'),
         pygame.image.load('hero5.png')]
+stones=random.choice([stone,cacti,apple])
+rect=stones.get_rect()
+stones_x=1000;
+stones_y=500-rect[3]
+
 pygame.display.set_caption('悟空酷跑')
 index = 0 
 sport='running'
@@ -49,9 +54,18 @@ while True:
     if index>=len(hero):
         index=0
     # 将背景图画上去
+    if stones_x + rect[2] < 0:
+        stones=random.choice([stone,cacti,apple])
+        rect=stones.get_rect()
+        stones_x=1000;
+        stones_y=500-rect[3]
+    else:
+        stones_x -= 2
+        rect = stones.get_rect()
     screen.blit(background, (0, 0))
     screen.blit(road, (0, 500))
     screen.blit(hero[index], (150, y))
+    screen.blit(stones, (stones_x, stones_y))
     # 刷新画面
     pygame.display.update()
-    FPS.tick(6
\ No newline at end of file
+    FPS.tick(60) 
\ No newline at end of file