twinStick/twinStickCrawler/Assets/Scripts/Creatures/Vitals.cs

using TMPro;
using UnityEngine;

public class Vitals : MonoBehaviour
{
    [SerializeField]
    private float initHealth = 100;
    [SerializeField]
    private GameObject canvas;
    [SerializeField]
    private GameObject damagePrefab;

    private float health;
    public float Health
    {
        get
        {
            return health;
        }
        set
        {
            GameObject damageInstance = Instantiate(damagePrefab, canvas.transform);
            damageInstance.transform.localPosition = Vector3.zero;
            
            damageInstance.GetComponent<TextMeshProUGUI>().SetText(Mathf.Abs((int)value).ToString());
            if (value < 0)
            {
                //hit
            }
            else
            {
                //heal
            }
            
            health += value;
        }
    }

    // Start is called once before the first execution of Update after the MonoBehaviour is created
    void Start()
    {
        health = initHealth;
    }
}