auto save

my_game.py

 import pygame
-import time
+import random
 from pygame import locals
 
 pygame.init()  # 初始化
@@ -21,6 +21,12 @@ hero = [pygame.image.load('hero1.png'),
 y=400
 b=0
 c="r"
+t=30
+k=1
+z=random.choice([stone,apple,cacti])
+rect=z.get_rect()
+rect.x=1000
+rect.y=500-rect.height
 while True:
     for event in pygame.event.get():
         if event.type == locals.QUIT:
@@ -28,25 +34,39 @@ while True:
             exit()
         if event.type == locals.KEYDOWN:
             if event.key==locals.K_SPACE:
-                c="u"
+                if k==1:
+                    c="u"
+                    k= 0
     if c=="u":
-        if y>150:
-            y=y-5
+        if t>0:
+            y=y-t
+            t=t-2
         else:
             c="d"
     if c=="d":
-        if y<400:
-            y=y+5
+        if t<32:
+            y=y+t
+            t=t+2
         else:
             c="r"
+            k=1
+            t=30
     a=hero[b]
-    b=b+1
-    if b==5:
-        b=0
+    if c=="r":
+        b=b+1
+        if b==5:
+            b=0
+
     # 将背景图画上去
     screen.blit(background, (0, 0))
     screen.blit(road, (0, 500))
     screen.blit(a, (150, y))
+    
+    if rect.x<rect.x-z.rect.width:
+        rect.x=rect.x-8
+        screen.blit(z, (rect.x,rect.y))  
+    rect.x=rect.x-8
+    screen.blit(z, (rect.x,rect.y))
     # 刷新画面
     pygame.display.update()
     FPS.tick(60)
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