how to update score and health throughout different scenes.

Questions & Answers
1

using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.SceneManagement;

    public class PlayerHealth : MonoBehaviour
    {
        public static PlayerHealth Instance;
        public  int health;
        public GameObject deathEffect;
    void Awake()
        {
            if (Instance == null)
            {
                DontDestroyOnLoad(gameObject);
                Instance = this;
            }
            else if (Instance != this)
            {
                Destroy(gameObject);
            }
            FindObjectOfType(typeof(Transform));
        }
        public void TakeDamage(int damage)
        {
            health -= damage;
    
            StartCoroutine(DamageAnimation());
    
            if (health <= 0)
            {
                Die();
               
            }
        }
    
        void Die()
        {
            SceneManager.LoadScene("Game Over");
        }
        public void Damage(int dmg)
        {
            health -= dmg;
        }
    
        IEnumerator DamageAnimation()
        {
            SpriteRenderer[] srs = GetComponentsInChildren<SpriteRenderer>();
    
            for (int i = 0; i < 3; i++)
            {
                foreach (SpriteRenderer sr in srs)
                {
                    Color c = sr.color;
                    c.a = 0;
                    sr.color = c;
                }
    
                yield return new WaitForSeconds(.1f);
    
                foreach (SpriteRenderer sr in srs)
                {
                    Color c = sr.color;
                    c.a = 1;
                    sr.color = c;
                }
    
                yield return new WaitForSeconds(.1f);
            }
        }
       
    }    
    
using System.Collections;
using System.Collections.Generic;
using UnityEngine;

public class Enemyflip : MonoBehaviour
{
   
    public Transform player;

    public bool isFlipped = false;
 
    public void LookAtPlayer()
    {
        Vector3 flipped = transform.localScale;
        flipped.z *= -1f;

        if (transform.position.x > player.position.x && isFlipped)
        {
            transform.localScale = flipped;
            transform.Rotate(0f, 180f, 0f);
            isFlipped = false;
           
        }
        else if (transform.position.x < player.position.x && !isFlipped)
        {
            transform.localScale = flipped;
            transform.Rotate(0f, 180f, 0f);
            isFlipped = true;
        }
        
    }
    }

    using System;
    using System.Collections;
    using System.Collections.Generic;
    using UnityEngine;
    using UnityEngine.UI;
    
    public class HealthBar : MonoBehaviour
    {
        
        public PlayerHealth playerHealth;
        public Slider slider;
        
        void Start()
        { 
            slider.maxValue = playerHealth.health;
            DontDestroyOnLoad(gameObject);
        }
    
        // Update is called once per frame
        void Update()
        {
            slider.value = playerHealth.health;   
        }
    
        internal void SetmaxHealth(int maxHealth)
        {
            throw new NotImplementedException();
        }
    
        internal void SetHealth(int maxHealth)
        {
            throw new NotImplementedException();
        }
      
    }
    
    using System.Collections;
    using System.Collections.Generic;
    using UnityEngine;
    using UnityEngine.UI;
    public class ScoreController : MonoBehaviour
    {
        //static ScoreController Instance;
        public  Text scoreText ;
        private  int score;
    void Start()
        {
            score = 0;
            UpdateScore();
    }
    public void AddScore(int newScorevalue)
        { 
            score += newScorevalue;
            UpdateScore();  
        }
        // Update is called once per frame
        void UpdateScore()
        {
            scoreText.text= "Score:" + score;
        }
        }
    
        public class ScoreController : MonoBehaviour
        {
         public  Text scoreText ;
            private  int score;
        void Start()
            {
                score = 0;
                UpdateScore();
          }
        public void AddScore(int newScorevalue)
            { 
                score += newScorevalue;
                UpdateScore();  
            }
            // Update is called once per frame
            void UpdateScore()
            {
                scoreText.text= "Score:" + score;
            }
        }
2

Hello.

First, this is not a script service provider…

Do not post your code and wait for people to give youthe code.

Second, go learn about data persistance between scenes.

Post closed.