auto save

my_game.py

 import pygame
 from pygame import locals
-import random
 y = 400
 t = 30
 zhuangtai = 'running'
@@ -20,8 +19,6 @@ hero3 = pygame.image.load('hero3.png')
 hero4 = pygame.image.load('hero4.png')
 hero5 = pygame.image.load('hero5.png')
 run = [hero1,hero2,hero3,hero4,hero5]
-zhangai = [cacti,bush]
-zhangaiwu = 
 index = 0
 
 while True:
@@ -30,32 +27,31 @@ while True:
             # 接收到退出事件后退出程序
             exit()
         if event.type == locals.KEYDOWN:
-            if event.key == locals.K_SPACE and zhuangtai == 'running':
+            if event.key == locals.K_SPACE:
                zhuangtai = 'up' 
-
+    if y <= 150:
+        zhuangtai = 'down'
+    if zhuangtai == 'down' and y >= 400:
+        zhuangtai = 'running'
 
     if zhuangtai == 'up':
-        if t >= 0:
+        if t > 0:
             y -= t 
             t -= 2
-        else:
-            zhuangtai = 'down'
     elif zhuangtai == 'down':
-        if t <= 30:
+        if t <= 150:
             y += t
             t += 2
-        else:
-            t = 30
-            y = 400
-            zhuangtai = 'running'
+    else:
+        y = 400
+    t = 30
     # 将背景图画上去
     screen.blit(background, (0, 0))
     screen.blit(road, (0, 500))
     screen.blit(run[index], (150, y))
-    if zhuangtai == 'running':
-        index += 1
-        if index >= 5:
-            index = 0
+    index += 1
+    if index >= 5:
+        index = 0
     # 刷新画面
     pygame.display.update()
     FPS.tick(28)
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