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):
@@ -40,6 +42,10 @@ hero = [pygame.image.load('hero1.png'),
         pygame.image.load('hero3.png'),
         pygame.image.load('hero4.png'),
         pygame.image.load('hero5.png')]
+zt = pygame.font.Font("STKAITI.TTF",18)
+yy = pygame.mixer.Sound("score.wav")
+old = 0
+
 index = 0   
 y = 400
 jumpState = "runing"
@@ -48,8 +54,17 @@ road_x = 0
 bg_x = 0
 time = 0
 gamestate = True
-
+score = 0
 block_list =pygame.sprite.Group()   # 创建精灵组
+speed = 8
+
+with open("record.txt",'r',encoding='utf-8') as f:
+    n=f.read()
+    n1 = json.loads(n)
+    one = n1["第1名"]
+    two = n1["第2名"]
+    three = n1["第3名"]
+print(one,two,three)
 
 while True:
     for event in pygame.event.get():
@@ -60,7 +75,7 @@ while True:
             if jumpState == "runing":
                 if event.key == locals.K_SPACE:
                     jumpState = "up"
-    
+    speed = 8+score//3
     # 悟空造型
     wukong = Player(hero[index])
     if jumpState == "runing":       # 跑步状态下
@@ -91,7 +106,7 @@ 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 +121,7 @@ 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 +129,33 @@ while True:
                 gameover = pygame.image.load('gameover.png')     # 游戏结束
                 screen.blit(gameover, (400, 200))
                 gamestate = False
-
+                if score>three:
+                    if score>one:
+                        n1["第1名"]=score
+                        n1["第2名"]=one                              
+                    elif score>two:
+                        n1["第2名"]=score
+                        n1["第3名"]=two
+                    else:
+                        n1["第3名"]=score
+                n1 = json.dumps(n1,ensure_ascii=False)
+                with open("record.txt",'w',encoding='utf-8') as f:
+                    f.write(n1)
+            else:
+                if sprite.rect.x+sprite.rect.width<wukong.rect.x:
+                    score+=sprite.score
+                    sprite.score=0
+        if score >old:
+            yy.play()
+            old = score
+        fs = zt.render("分数"+str(score),True,(255,255,255))
+        screen.blit(fs,(880,20))
+        fs = zt.render("分数"+str(one),True,(255,255,255))
+        screen.blit(fs,(880,50))
+        fs = zt.render("分数"+str(two),True,(255,255,255))
+        screen.blit(fs,(880,80))
+        fs = zt.render("分数"+str(three),True,(255,255,255))
+        screen.blit(fs,(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": 31, "第2名": 31, "第3名": 7}
\ No newline at end of file