update config panel

Assets/Scripts/ValueManager.cs

@@ -0,0 +1,36 @@
+using System.Collections;
+using System;
+using UnityEngine;
+using UnityEngine.UI;
+using TMPro;
+
+public class ValueManager : MonoBehaviour
+{
+    TMP_Text tmp;
+    float Value;
+    float tempValue;
+    public bool isPointerDown = false;
+    void Start()
+    {
+        tmp = GetComponent<TMP_Text>();
+    }
+    void Update()
+    {
+        if (isPointerDown)
+        {
+            ChangeValue(tempValue);
+        }
+    }
+
+    public void ChangeValue(float value)
+    {
+        tempValue = value;
+        Value += value;
+        tmp.text = String.Format("{0:F2}", Value);
+        isPointerDown = true;
+    }
+    public void PointerState(bool state)
+    {
+        isPointerDown = state;
+    }
+}