Unity实现物体沿自身的任意轴向旋转

using UnityEngine;
using System.Collections;
 
public class Test_ElectricFan : MonoBehaviour 
{
 public bool isOpen=false;      //是否开始旋转
 public int speed=2;   //旋转的速度
 
 
 // Use this for initialization
 void Start () 
 {
 
 }
 
 // Update is called once per frame
 void Update () 
 {
 if(isOpen)
 {
 
  RotateAxisOfSelf(SelfAxis.Y,speed);
 }
 
 }
 
 /// <summary>
 /// 让物体绕自身的轴旋转
 /// </summary>
 /// <param name="AxisX">自身的轴</param>
 private void RotateAxisOfSelf(SelfAxis selfAxis,int speed=2)
 {
 switch(selfAxis)
 {
 case SelfAxis.X:
  this.transform.Rotate (new Vector3(1*Time.deltaTime*speed,0,0));
  break;
 case SelfAxis.Y:
  this.transform.Rotate (new Vector3(0,1*Time.deltaTime*speed,0));
  break;
 case SelfAxis.Z:
  this.transform.Rotate (new Vector3(0,0,1*Time.deltaTime*speed));
  break;
 default:
  this.transform.Rotate (new Vector3(1*Time.deltaTime*speed,0,0));
  break;
 
 }
 
  
 } 
 
 
 //枚举轴
 enum SelfAxis
 {
 X,
 Y,
 Z,
 
 }
 
}