Lesson UI (script player)

gistfile1.txt

using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.Events;

public class Player : MonoBehaviour
{
    [SerializeField] private int _maxHealth;
    
    private int _health;

    public event UnityAction<int, int> HealthChanged;

    private void Start()
    {
        _health = _maxHealth;
        HealthChanged?.Invoke(_health, _maxHealth);
    }

    public void ChangeHealth(int health)
    {
        int changedHealth = _health + health;

        if (changedHealth > _maxHealth || changedHealth < 0)
            return;

        _health = changedHealth;
        HealthChanged?.Invoke(_health, _maxHealth);
    }
}