#region MyRegion
/* Author: Wilson
* Description: 场景切换控制，硬切和异步加载
* Date: 2019.5.15
*/
#endregion
using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.SceneManagement;
using UnityEngine.UI;
/// <summary>
/// 场景切换控制
/// </summary>
public class LoadingControl : MonoBehaviour
{
public static LoadingControl instance;
public string text;
public GameObject LoadPanel;
public Image bar;
int currentProgress;
int targetProgress;
private void Awake()
{
DontDestroyOnLoad(gameObject);
if (instance == null)
{
instance = this;
}
else
{
Destroy(gameObject);
}
}
public void StartLoading(string scene)
{
LoadPanel.SetActive(true);
currentProgress = 0;
targetProgress = 0;
StartCoroutine(LoadingScene(scene));
}
/// <summary>
/// Loading panel
/// </summary>
/// <param name="sceneNum"></param>
/// <returns></returns>
public IEnumerator LoadingScene(string sceneNum)
{
AsyncOperation asyncOperation = SceneManager.LoadSceneAsync(sceneNum);
asyncOperation.allowSceneActivation = false;
while (asyncOperation.progress < 0.9f)
{
targetProgress = (int)(asyncOperation.progress * 100);
yield return LoadProgress();
}
targetProgress = 100;
yield return LoadProgress();
asyncOperation.allowSceneActivation = true;
}
private IEnumerator<WaitForEndOfFrame> LoadProgress()
{
while (currentProgress < targetProgress)
{
++currentProgress;
text = currentProgress.ToString() + "%";
bar.fillAmount = currentProgress / 100f;
yield return new WaitForEndOfFrame();
}
if (currentProgress >= 99)
{
LoadPanel.SetActive(false);
}
}
}
