OldBlueWater/BlueWater/Assets/02.Scripts/Ui/FieldBossHpSlider.cs

using System.Collections;
using Sirenix.OdinInspector;
using TMPro;
using UnityEngine;
using UnityEngine.UI;

// ReSharper disable once CheckNamespace
namespace BlueWaterProject
{
    public class FieldBossHpSlider : MonoBehaviour
    {
        [SerializeField] private Slider slider;
        [SerializeField] private TMP_Text nameText;
        [SerializeField] private Slider damageEffectSlider;
        [SerializeField] private float duration = 1f;

        [Button("셋팅 초기화")]
        private void Init()
        {
            slider = GetComponent<Slider>();
            nameText = transform.Find("NameText").GetComponent<TMP_Text>();
            damageEffectSlider = transform.Find("Fill Area/Background/DamageEffectSlider").GetComponent<Slider>();
        }

        public void SetHpSlider(float maxHp, string bossName)
        {
            if (!slider || !damageEffectSlider) return;
            
            slider.maxValue = maxHp;
            damageEffectSlider.maxValue = maxHp;

            slider.value = maxHp;
            damageEffectSlider.value = maxHp;

            nameText.text = nameText ? bossName : null;

            SetActiveHpSlider(true);
        }
        
        public void UpdateHpSlider(float value)
        {
            if (!slider || !damageEffectSlider) return;
            
            StartCoroutine(DamageEffect(value));
        }
        
        private IEnumerator DamageEffect(float value)
        {
            var previousHp = slider.value;
            var tick = (previousHp - value) / duration;
            
            slider.value = value;
            
            while (damageEffectSlider.value > value)
            {
                damageEffectSlider.value -= tick * Time.deltaTime;
                yield return null;
            }

            damageEffectSlider.value = value;
        }

        public void SetActiveHpSlider(bool value) => gameObject.SetActive(value);
    }
}