物体的惯性旋转

using UnityEngine;
using System.Collections;

public class Scrwww : MonoBehaviour
{

private float h;
private float v;
public Vector3 Torque;
// public Vector3 Torque=new Vector3();
private void FixedUpdate()
{
rigidbody.AddTorque(Torque*1);
}

private void Update()
{

if (Input.GetMouseButton(0))
{
h = Input.GetAxis("Mouse X"); //有正左负
v = Input.GetAxis("Mouse Y"); //上正下负
}
else
{
h = 0;
v = 0;
}
Torque =new Vector3(v*10, -h*10, 0);

if (Input.GetKey(KeyCode.Escape))
{
Application.Quit();
}
}
}