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

public class LivesVisualizer : MonoBehaviour
{
    public Transform livesParent;
    public static LivesVisualizer instance;

    public void Awake(){
        instance = this;
        SetLives(3);
    }


    public void SetLives(int lives){
        for(int i = 0; i < livesParent.childCount; i++){
            bool prevState = livesParent.GetChild(i).gameObject.activeSelf;
            bool newState = i < lives;
            if(prevState != newState){
                StartCoroutine(FlashLife(livesParent.GetChild(i).gameObject,newState));
            }
        }
    }

    float flashDuration = 0.3f;
    IEnumerator FlashLife(GameObject life, bool state){
        life.SetActive(state);
        for(int i=0; i < 4; i++){
            life.SetActive(!state);
            yield return new WaitForSeconds(0.1f);
            life.SetActive(state);
            yield return new WaitForSeconds(0.1f);
        }
        life.SetActive(state);
    }
}