save project

my_game.py

 import pygame
 from pygame import locals
+import random
+
 i=0
 pygame.init()  # 初始化
 # 创建一个窗口
@@ -20,6 +22,10 @@ hero = [pygame.image.load('hero1.png'),
 y=400
 j='running'
 t=30
+obstacle=random.choice([stone,cacti,apple])
+rect=obstacle.get_rect()
+rect.x=1000
+rect.y=500-rect.height
 while True:
     for event in pygame.event.get():
         if event.type == locals.QUIT:
@@ -27,7 +33,8 @@ while True:
             exit()
         if event.type==locals.KEYDOWN:
             if event.key==locals.K_SPACE:
-                j='up'
+                if j=='running':
+                    j='up'
     if j=='up':
         if t>0:
             y-=t
@@ -45,10 +52,17 @@ while True:
     i+=1
     if i>4:
         i=0
+    if rect.x<0-rect.width:
+        obstacle=random.choice([stone,cacti,apple])
+        rect=obstacle.get_rect()
+        rect.x=1000
+        rect.y=500-rect.height
+    rect.x-=8
     # 将背景图画上去
     screen.blit(background, (0, 0))
     screen.blit(road, (0, 500))
     screen.blit(wk, (150, y))
+    screen.blit(obstacle,(rect.x,rect.y))
     # 刷新画面
     pygame.display.update()
     FPS.tick(60)
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