制作一个流畅的进度条

using System;

using System.Collections;

using System.Collections.Generic;

using UnityEngine;

using UnityEngine.UI;

using UnityEngine.SceneManagement;

public class LoadGame :MonoBehaviour {

    public Slider processView;

  // Use this for initialization

  void Start () {

        LoadGameMethod();

}

  // Update is called once per frame

  void Update () {

}

    public void LoadGameMethod()

{

        StartCoroutine(StartLoading_4(2));

}

    private IEnumerator StartLoading_4(int scene)

{

        int displayProgress =0;

        int toProgress = 0;

        AsyncOperation op =SceneManager.LoadSceneAsync(scene);

        op.allowSceneActivation =false;

        while (op.progress <0.9f)

{

            toProgress =(int)op.progress *100;

            while (displayProgress

{

                ++displayProgress;

                SetLoadingPercentage(displayProgress);

                yield return new WaitForEndOfFrame();

}

}

        toProgress =100;

        while (displayProgress

{

            ++displayProgress;

            SetLoadingPercentage(displayProgress);

            yield return new WaitForEndOfFrame();

}

        op.allowSceneActivation =true;

}

    private void SetLoadingPercentage(float v)

{

        processView.value =v /100;

}

}