ユニティのVideoPlayerの使用

ビデオプレーヤーのマスタースクリプト

using UnityEngine;
using UnityEngine.UI;
using UnityEngine.Video;

public class VideoPlayerTest : MonoBehaviour
{
    //视频播放组件
    public VideoPlayer videoPlayer;

    //视频播放进度显示的进度条
    public Slider slider;

    //是否更新进度条显示的视频进度
    public bool isChangeProgress = false;

    private void Start()
    {
        InitAddEventHandle();

        isChangeProgress = true;
    }

    private void Update()
    {
        if (isChangeProgress)
        {
            UpdateSliderProgress();
        }
    }
    //更新Slider显示的值
    void UpdateSliderProgress()
    {
        slider.value = float.Parse(videoPlayer.frame.ToString()) / float.Parse(videoPlayer.frameCount.ToString());
    }

    //初始化，添加事件添加事件
    void InitAddEventHandle()
    {
        //添加视频加载完成事件
        videoPlayer.prepareCompleted += OnReadyCompleted;

        //添加播放完成的事件
        videoPlayer.loopPointReached += OnPlayFinished;
    }

    //改动视频进度
    public  void OnChangeSliderValue(float value)
    {
        videoPlayer.frame = long.Parse((value * videoPlayer.frameCount).ToString("0."));
    }

    //视频加载完成回调
    private void OnReadyCompleted(VideoPlayer source)
    {
        print("我准备好了");
    }

    //视频播放完毕,循环播放时每次播放完都会执行
    private void OnPlayFinished(VideoPlayer source)
    {
        print("我播放完了");
    }
}

現在のビデオ再生プログレスバースライダーで表示するスクリプトを

using UnityEngine;
using UnityEngine.EventSystems;
using UnityEngine.UI;

public class UISliderTest : MonoBehaviour, IPointerDownHandler,IPointerUpHandler
{
    public VideoPlayerTest playerTest;

    Slider slider;

    private void Start()
    {
        slider = GetComponent<Slider>();
    }
    //添加改动进度条事件
    void AddSliderEvent()
    {
        //slider.li
        slider.onValueChanged.AddListener((float value) => playerTest.OnChangeSliderValue(value));
    }
    //移除事件
    void RemoveSliderEvent()
    {
        slider.onValueChanged.RemoveAllListeners();
    }
    //鼠标在Slider上按下时
    public void OnPointerDown(PointerEventData eventData)
    {
        playerTest.isChangeProgress = false;
        AddSliderEvent();
    }
    //鼠标在Slider上抬起时
    public void OnPointerUp(PointerEventData eventData)
    {
        playerTest.isChangeProgress = true;
        RemoveSliderEvent();
    }
}