JunShi101ShiNei/Assets/Script/OpenWebCamaer.cs

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

public class OpenWebCamaer : MonoBehaviour
{
    public string deviceName;
    WebCamTexture camTexture;
    // Use this for initialization
    IEnumerator Start() {
        yield return Application.RequestUserAuthorization(UserAuthorization.WebCam);
        if(Application.HasUserAuthorization(UserAuthorization.WebCam)) {
            WebCamDevice[] devices = WebCamTexture.devices;
            deviceName = devices[0].name;
            camTexture = new WebCamTexture(deviceName, 400, 300, 12);
            transform.GetComponent<MeshRenderer>().material.mainTexture = camTexture;
            camTexture.Play();
        }
    }

}