WebCamTexture:网络摄像头材质
WebCamTexture.Play()    播放;
WebCamTexture.Pause()   暂停;
WebCamTexture.Stop()    停止;
//经测试此代码可以使用,当你绑定到游戏物体时尽可以了、
using unityEngine;
using System.Collections;

public class Test : MonoBehaviour {
public string deviceName;//这个虽然public,但无需为其绑定变量,直接运行,默认调用,显示本地摄像机的名称
WebCamTexture webCam;


// Use this for initialization
void Start () {
  WebCamDevice[] devices = WebCamTexture.devices;
  deviceName = devices[0].name;
  webCam = new WebCamTexture(deviceName, 400, 300, 12);
  renderer.material.mainTexture = webCam;
  webCam.Play();
}

// Update is called once per frame
void Update () {

}
}