unity3d:htcvive禁止头显定位，但不限制角度

using System.Collections;
using UnityEngine;
using UnityEngine.XR;

public class BanPos : MonoBehaviour {

	// Use this for initialization
	void Start () {

        StartCoroutine(YieldBan());  
    }


    IEnumerator YieldBan()
    {
        yield return new WaitForSeconds(1.0f);
        InputTracking.disablePositionalTracking = true;
    }
}