How to Add Scores to a Game in Unity 2D

1. Create a text object by right-clicking in a blank area in the Hierarchy section, then choosing UI > Text, from the pop-up menu.

2. Create a C# Script (MonoBehaviour) and change name to ScoreScript.cs. This script will be responsible for displaying the new score value. See example below:

##############################

using UnityEngine;
using UnityEngine.UI;

public class ScoreScript : MonoBehaviour

{
    public static int scoreValue = 0;
    Text score;

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

    void Update()
    {
        score.text = “Score: ” + scoreValue;
    }

}

###############################

3. Save the script and drag the new script to your ScoreText Game Object as shown below:

4. On another script that is calculating the score, you will need to use the onTrigger() function to provide an updated value for score. In the example script below, if a Game Object such as a “coin” is touched by the Player, the player’s score increases by 10 points.

using UnityEngine;
public class Coins : MonoBehaviour

{
    private GameObject player;   

    void Start()
    {
        player = GameObject.FindGameObjectWithTag(“Player”);
    }

    private void OnTriggerEnter2D(Collider2D collision)
    {
        if (collision.tag == “Border”)
        {
            Destroy(this.gameObject);
        }
        else if (collision.tag == “Player”)
        {
    //adds 10 points to scoreValue in ScoreScript.cs then destroys the “coin” from the screen
        ScoreScript.scoreValue += 10;
            Destroy(this.gameObject);
    }

}

}

5. In the game example below, the player is the Shark and whenever the Shark eats a Tuna, the player’s score increases by 10 points for each Tuna fish it eats.