Improvements

Assets/Scripts/UiController.cs

@@ -0,0 +1,28 @@
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+using UnityEngine.UI;
+using TMPro;
+public class UiController : MonoBehaviour
+{
+    public GameObject player = null;
+    private Vector3 startPosition;
+    private Vector3 playerPosition;
+
+    public TextMeshProUGUI uiDistance;
+    public float distance = 0.0f;
+
+    // Start is called before the first frame update
+    void Start()
+    {
+        startPosition = this.player.transform.position;
+    }
+
+    // Update is called once per frame
+    void Update()
+    {
+        playerPosition = this.player.transform.position;
+        distance = Vector3.Distance(this.startPosition, this.playerPosition);
+        uiDistance.text = "Score : " + distance.ToString("0");
+    }
+}

Assets/Scripts/UiController.cs.meta

@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: bb1ea3d2ab046104bb4e81a83e5cdcd9
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: