Transform 位置 旋转

using UnityEngine;
using System.Collections;
using Box2D.Dynamics;

public class BodyGameObj : MonoBehaviour {
    public b2Body body;

    void Start () {

    }

    void Update () {
        Vector3 pos = transform.localPosition;
        pos.x = body.GetPosition ().x;
        pos.y = body.GetPosition ().y;
        transform.localPosition = pos;
        transform.localRotation = Quaternion.Euler(0, 0, body.GetAngle () * 57.3f);
    }
}