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

public class OpenCamera : MonoBehaviour {


    WebCamTexture _webCamera;
    string DeviceName;
    public GameObject Plane;//作为显示摄像头的面板  在界面上拖动赋值

    // Use this for initialization
    void Start()
    {

        WebCamDevice[] devices = WebCamTexture.devices;
        for (int i = 0; i < devices.Length; i++)
        {
            //print(devices[i].name);
            if (devices[i].name == "Creative GestureCam")
                DeviceName = devices[i].name;
        }

        _webCamera = new WebCamTexture(DeviceName, 640, 480, 30);

        Plane.GetComponent<Renderer>().material.mainTexture = _webCamera;

        _webCamera.Play();

    }

}

Unity打开网络摄像头