auto save

my_game.py

 import pygame
 from pygame import locals
 import random
-
+import json
 pygame.init()  # 初始化
 
 class Block(pygame.sprite.Sprite):      # 障碍物精灵类
@@ -41,6 +41,8 @@ hero = [pygame.image.load('hero1.png'),
         pygame.image.load('hero4.png'),
         pygame.image.load('hero5.png')]
 basic_font = pygame.font.Font('STKAITI.TTF',32)
+#加载音效文件
+score_audio=pygame.mixer.Sound('score.wav')
 index = 0   
 y = 400
 jumpState = "runing"
@@ -50,7 +52,17 @@ bg_x = 0
 time = 0
 gamestate = True
 score=0
+score_old=0
 block_list =pygame.sprite.Group()   # 创建精灵组
+#设置速度speed的变量，初始值为8
+speed=8
+#读取“scord.txt”文件
+with open('scord.txt','r',encoding='utf-8') as f:
+    ab=f.read()
+    cd=json.loads(ab)
+    one=cd['第1名']
+    two=cd['第2名']
+    three=cd['第3名']
 
 while True:
     for event in pygame.event.get():
@@ -61,7 +73,8 @@ while True:
             if jumpState == "runing":
                 if event.key == locals.K_SPACE:
                     jumpState = "up"
-    
+    #让分数每加3分，速度增加1
+    speed = 8+score//3
     # 悟空造型
     wukong = Player(hero[index])
     if jumpState == "runing":       # 跑步状态下
@@ -92,7 +105,7 @@ while True:
             bg_x = 0
         screen.blit(background, (bg_x, 0))      # 远景
 
-        road_x -= 8
+        road_x -= speed
         if road_x<=-1000:
             road_x = 0
         screen.blit(road, (road_x, 500))       # 道路
@@ -107,7 +120,7 @@ while True:
                 obstacle = Block(bush,cacti,stone)  
                 block_list.add(obstacle)
         for sprite in block_list:       # 遍历、展示障碍物精灵
-            sprite.rect.x -= 8
+            sprite.rect.x -= speed
             screen.blit(sprite.image, (sprite.rect.x, sprite.rect.y)) 
             if sprite.rect.x <= 0-sprite.rect.width:
                 sprite.kill()
@@ -120,9 +133,21 @@ while True:
                 if wukong.rect.x>sprite.rect.x+sprite.rect.width:
                     score+=sprite.score
                     sprite.score=0
-
+            #旧分数与最新的分数进行比较，如果旧分数比较小
+        if score_old<score:
+            #播放音效
+            score_audio.play()
+            #旧分数设为当前的新分数
+            score_old=score
         scoreSurf = basic_font.render("分数:"+str(score),True,(255,0,0))
         screen.blit(scoreSurf,(850,20))
+        scoreSurf = basic_font.render("第1名:"+str(one),True,(255,0,0))
+        screen.blit(scoreSurf,(850,50))
+        scoreSurf = basic_font.render("第1名:"+str(one),True,(255,0,0))
+        screen.blit(scoreSurf,(850,80))
+        scoreSurf = basic_font.render("第1名:"+str(one),True,(255,0,0))
+        screen.blit(scoreSurf,(850,110))
+
 
         # 刷新画面
         pygame.display.update()