save project

my_game.py

@@ -17,7 +17,10 @@ index = 0
 y=400
 jumpstate = 'runing'
 t=30
-a = random
+a = random.choice([stone,cacti,apple])
+b = a.get_rect()
+b.x = 1000
+b.y = 500-b.height
 while True:
     for event in pygame.event.get():
         if event.type == locals.QUIT:
@@ -49,6 +52,13 @@ while True:
     screen.blit(background, (0, 0))
     screen.blit(road, (0, 500))
     screen.blit(wukong, (150, y))
+    if b.x<0-b.width:
+        a = random.choice([stone,cacti,apple])
+        b = a.get_rect()
+        b.x = 1000
+        b.y = 500-b.height
+    b.x-=8
+    screen.blit(a,(b.x,b.y))
     # 刷新画面
     pygame.display.update()
-    FPS.tick(20)
\ No newline at end of file
+    FPS.tick(100)
\ No newline at end of file