Import existing Unity project

Assets/Scripts/GameManager.cs

@@ -0,0 +1,44 @@
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+using UnityEngine.UI;
+public class GameManager : MonoBehaviour
+{
+    public int scorePlayer1 = 0;
+    public int scorePlayer2 = 0;
+
+    public Transform player1;
+    public Transform player2;
+    public Transform ball;
+
+    public Transform player1Initial, player2Initial, ballInitial;
+
+    /* UI */
+    public Text scoreLabel;
+
+    // Start is called before the first frame update
+    void Start()
+    {
+        this.player1Initial = new GameObject().transform;
+        this.player1Initial.position = this.player1.position;
+
+        this.player2Initial = new GameObject().transform;
+        this.player2Initial.position = this.player2.position;
+
+        this.ballInitial = new GameObject().transform;
+        this.ballInitial.position = this.ball.position;
+    }
+
+    // Update is called once per frame
+    void Update()
+    {
+        this.scoreLabel.text = "Score: " + this.scorePlayer1 + " : " + this.scorePlayer2;
+    }
+
+    public void ResetPositions()
+    {
+        this.player1.position = this.player1Initial.position;
+        this.player2.position = this.player2Initial.position;
+        this.ball.position = this.ballInitial.position;
+    }
+}