Unity3d UNET平滑

using UnityEngine;
using UnityEngine.Networking;
using System.Collections;

public class unetSync : NetworkBehaviour {

    [SyncVar]public Vector3 serverPosition = Vector3.zero;
    [SyncVar]public Quaternion serverRotation; 
    public float speed = 0;

    public void lerp() {
        transform.position = Vector3.Lerp(transform.position, serverPosition, Time.fixedDeltaTime * speed);
        transform.rotation = Quaternion.Slerp(transform.rotation, serverRotation, Time.fixedDeltaTime * speed);
    }

    [Command]
    public void CmdupdatePosition(Vector3 pos,Quaternion rot) {
        serverPosition = pos;
        serverRotation = rot;
    }

    void FixedUpdate () {
        if (isLocalPlayer) {
            CmdupdatePosition(transform.position,transform.rotation);
        } else {
            lerp();
        }
    }
}