using System.Collections;
using UnityEngine;
using UnityEngine.SceneManagement;
using UnityEngine.UI;

public class LevelLoader : MonoBehaviour{

    public GameObject loadingScreen;
    public Slider slider;

    public void LoadLevel(int sceneIndex){
        StartCoroutine(LoadAsychronously(sceneIndex));
    }

    IEnumerator LoadAsychronously (int sceneIndex){
        AsyncOperation operation = SceneManager.LoadSceneAsync(sceneIndex);

        loadingScreen.SetActive(true);

        while (!operation.isDone){
            float progress = Mathf.Clamp01(operation.progress / .9f);
            slider.value = progress;

            yield return null;
        }
    }
}