#14 とか、いろいろのバグを修正。

やったね！

.editorconfig

@@ -134,3 +134,6 @@ dotnet_style_qualification_for_field = false:suggestion
 dotnet_style_qualification_for_method = false:suggestion
 #prefer properties not to be prefaced with this. or Me. in Visual Basic
 dotnet_style_qualification_for_property = false:suggestion
+
+[*.{cs,vb}]
+indent_style=tab

Assets/Scenes/CheckScores.unity

@@ -193,15 +193,9 @@ MonoBehaviour:
     m_HorizontalOverflow: 0
     m_VerticalOverflow: 0
     m_LineSpacing: 1
-  m_Text: '1.2023/11/01 99999999999999999pts.
-
-    2.2023/12/08 30pts.
-
-    3.
-
-    4.
-
-    5.'
+  m_Text: "1.\u30C7\u30FC\u30BF\u306A\u3057 0\u79D2\r\n2.\u30C7\u30FC\u30BF\u306A\u3057
+    0\u79D2\r\n3.\u30C7\u30FC\u30BF\u306A\u3057 0\u79D2\r\n4.\u30C7\u30FC\u30BF\u306A\u3057
+    0\u79D2\r\n5.\u30C7\u30FC\u30BF\u306A\u3057 0\u79D2\r\n"
 --- !u!222 &200360277
 CanvasRenderer:
   m_ObjectHideFlags: 0

Assets/Scripts/CheckScores/ScoreManager.cs

@@ -1,16 +1,15 @@
-using System.Collections;
+using System;
 using System.Collections.Generic;
 using System.IO;
+using System.Text;
+using Newtonsoft.Json;
 using UnityEngine;
 using UnityEngine.UI;
-using Newtonsoft.Json;
-using System.Text;
-using System;
 
 public class ScoreManager : MonoBehaviour
 {
     public TextAsset FirstJson;
-    private string filePath;
+
     [SerializeField]
     public Text ScoreText;
 
@@ -19,47 +18,123 @@ public class ScoreManager : MonoBehaviour
     void Start()
     {
         //セーブデータあるか確認
-        filePath = Path.Combine(Application.persistentDataPath, "Scores.json");
-        if(!File.Exists(filePath))
+
+        if (!File.Exists(FilePath))
         {
-            StreamWriter sw = new StreamWriter(filePath,false, Encoding.UTF8);
+            StreamWriter sw = new StreamWriter(FilePath, false, Encoding.UTF8);
             sw.Write(FirstJson.text);
             sw.Flush();
             sw.Close();
         }
-
-        //データ読み込み
-        StreamReader sr = new StreamReader(filePath, Encoding.UTF8);
-
-        string jsonStr = sr.ReadToEnd();
-
-        sr.Close();
-        Scores = JsonConvert.DeserializeObject<ScoresJson>(jsonStr);
+		//データ読み込み
+		Scores = ReadJson();
         string scoreText = "";
         //画面に表示させる
-        foreach(Score s in Scores.scores)
+        foreach (Score s in Scores.scores)
         {
-            scoreText += $"{s.rank}.{s.date} {s.score/10.0f}秒{Environment.NewLine}";
+            scoreText += $"{s.rank}.{s.date} {s.score / 10.0f}秒{Environment.NewLine}";
         }
         ScoreText.text = scoreText;
+
+
+		Debug.Log(FilePath);
+    }
+
+    public static void UpdateHighScore(int score)
+    {
+        //読み込み
+        ScoresJson scores = ReadJson();
+		//更新
+		scores = UpdateData(scores, score);
+		//JSONへ変換
+		string json = JsonConvert.SerializeObject(scores, Formatting.Indented);
+		//書き込み
+		StreamWriter sw = new StreamWriter(FilePath,false, Encoding.UTF8);
+		sw.Write(json);
+		sw.Flush();
+		sw.Close();
+    }
+
+	private static ScoresJson UpdateData(ScoresJson data, int input)
+	{
+		int where = WhereInsert(input, data);
+		if (where == -1)
+		{
+			return data;
+		}
+		data = ArrayShift(where, data);
+		data.scores[where].score = input;
+		data.scores[where].date = DateTime.Now.ToString("d");
+		return data;
+	}
+	private static int WhereInsert(int input, ScoresJson data)
+	{
+		//1つづつ、どこに入れるか検証
+		for (int i = 0; i < data.scores.Count; i++)
+		{
+			if (data.scores[i].score < input)
+			{
+				return i;
+			}
+			if (data.scores[i].score == input)
+			{
+				return -1;
+			}
+		}
+		return -1;
+	}
+	private static ScoresJson ArrayShift(int from, ScoresJson data)
+	{
+		for (int i = data.scores.Count - 1; i > from; i--)
+		{
+			//data.scores[i] = data.scores[i-1];
+			data.scores[i].date = data.scores[i - 1].date;
+			data.scores[i].score = data.scores[i - 1].score;
+		}
+
+		return data;
+	}
+
+	public static ScoresJson ReadJson()
+    {
+        StreamReader sr = new StreamReader(FilePath, Encoding.UTF8);
+
+        string jsonStr = sr.ReadToEnd();
+
+        sr.Close();
+        return JsonConvert.DeserializeObject<ScoresJson>(jsonStr);
     }
 
-    // Update is called once per frame
-    void Update()
+    public static string FilePath
     {
-
+        get
+        {
+            return Path.Combine(Application.persistentDataPath, "Scores.json");
+        }
     }
 }
 [System.Diagnostics.CodeAnalysis.SuppressMessage("Style", "IDE1006:命名スタイル", Justification = "<保留中>")]
 public class ScoresJson
 {
-
-    public IList<Score> scores { get; set; }
+
+    public IList<Score> scores
+    {
+        get; set;
+    }
 }
 [System.Diagnostics.CodeAnalysis.SuppressMessage("Style", "IDE1006:命名スタイル", Justification = "<保留中>")]
 public class Score
 {
-    public int rank { get; set; }
-    public string date { get; set; }
-    public long score { get; set; }//10で割ること
+    public int rank
+    {
+        get; set;
+    }
+    public string date
+    {
+        get; set;
+    }
+    public long score
+    {
+        get; set;
+    }//10で割ること
 }