ScoreKeeper.cs

using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.UI;

public class ScoreKeeper : MonoBehaviour {

    public static int score = 0;
    private Text myText;

     void Start()
    {
        myText = GetComponent<Text>();
        Reset();
    }


    public void Score(int points)
    {
       score += points;
        myText.text = score.ToString();
    }

    public static void Reset()
    {
        score = 0 ;
        
    }
}