auto save

my_game.py

 import pygame
 from pygame import locals
 import random
+import json
 
 pygame.init()  # 初始化
 
@@ -14,6 +15,7 @@ class Block(pygame.sprite.Sprite):      # 障碍物精灵类
         # 障碍物绘制坐标
         self.rect.x = 1000
         self.rect.y = 500 - self.rect.height
+        self.score=1
 
 class Player(pygame.sprite.Sprite):     # 悟空
     def __init__(self, image):
@@ -40,17 +42,30 @@ hero = [pygame.image.load('hero1.png'),
         pygame.image.load('hero3.png'),
         pygame.image.load('hero4.png'),
         pygame.image.load('hero5.png')]
+#载入字体
+basic_font=pygame.font.Font("STKAITI.TTF",18)
+#载入音乐
+score_audio=pygame.mixer.Sound('score.wav')
 index = 0   
 y = 400
 jumpState = "runing"
-t = 30
+t = 40 
 road_x = 0
 bg_x = 0
 time = 0
 gamestate = True
 
 block_list =pygame.sprite.Group()   # 创建精灵组
-
+score=0
+speed=8
+old_score=score
+#读取文件排名
+with open('record.txt','r',encoding='utf-8') as f:
+    content=f.read()
+    record=json.loads(content)
+    one=record["第1名"]
+    two=record["第2名"]
+    thr=record["第3名"]
 while True:
     for event in pygame.event.get():
         if event.type == locals.QUIT:
@@ -60,7 +75,8 @@ while True:
             if jumpState == "runing":
                 if event.key == locals.K_SPACE:
                     jumpState = "up"
-    
+    #道路加速
+    speed=8+score//3
     # 悟空造型
     wukong = Player(hero[index])
     if jumpState == "runing":       # 跑步状态下
@@ -77,13 +93,13 @@ while True:
             else:
                 jumpState = "down"  
         if jumpState == "down":    # 降落状态
-            if t <= 30:
+            if t <= 40:
                 y += t
                 wukong.rect.y = y
                 t += 2
             else:
                 jumpState = "runing"
-                t =30
+                t =40
         
         # 将背景图画上去
         bg_x -= 1
@@ -91,7 +107,7 @@ 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
@@ -106,7 +122,7 @@ 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()
@@ -114,7 +130,38 @@ while True:
                 gameover = pygame.image.load('gameover.png')     # 游戏结束
                 screen.blit(gameover, (400, 200))
                 gamestate = False
-
+                #排名更新
+                if score>thr:
+                    if score>one:
+                        record["第1名"] = score
+                        record["第2名"] = one
+                        record["第3名"] = two
+                    elif score > two:
+                        record["第2名"] = score
+                        record["第3名"] = two
+                    else:
+                        record["第3名"] = score
+                record = json.dumps(record, ensure_ascii=False)
+                with open("record.txt","w", encoding='utf-8') as f:
+                    f.write(record)
+            else:
+                if (sprite.rect.x+sprite.rect.width) < wukong.rect.x:
+                    score+=sprite.score
+                    sprite.score=0
+        #音效播放
+        if score>old_score:
+            score_audio.play()
+            old_score=score
+        #分数
+        scoreFont=basic_font.render("分数"+str(score),True,(255,255,255))
+        screen.blit(scoreFont,(880,20))
+        #排名++++++++++++++++++
+        scoreSurf = basic_font.render("第1名:"+str(one), True, (255, 255, 255))
+        screen.blit(scoreSurf, (880,50))
+        scoreSurf = basic_font.render("第2名:"+str(two), True, (255, 255, 255))
+        screen.blit(scoreSurf, (880,80))
+        scoreSurf = basic_font.render("第3名:"+str(thr), True, (255, 255, 255))
+        screen.blit(scoreSurf, (880,110))
         # 刷新画面
         pygame.display.update()
         FPS.tick(60)
\ No newline at end of file

record.txt

-{"第1名": 0, "第2名": 0, "第3名": 0}
\ No newline at end of file
+{"第1名": 3, "第2名": 1, "第3名": 1}
\ No newline at end of file