摄像机与模型相对偏移量设置

using UnityEngine;
using System.Collections;

/*
 * 摄像机与模型相对偏移量设置
 */

public class RoleOffset : MonoBehaviour {

    public Transform targetRoleTransform;
    private Vector3 offset;

    // Use this for initialization
    void Start()
    {
        offset = transform.position - targetRoleTransform.position;
    }

    // Update is called once per frame
    void Update()
    {
        transform.position = offset + targetRoleTransform.position;
    }
}