ylsj/Assets/Scripts/Core/Client/Battle/BattleFighting/LookAtTarget.cs

using UnityEngine;
using System.Collections;

namespace YLBattle
{
    public class LookAtTarget : MonoBehaviour
    {

        public int level = 0;
        Transform target;
        public float speed = 20f;

        Transform mTrans;

        void Start()
        {
            mTrans = transform;
        }

        void LateUpdate()
        {
            if (target == null)
            {
                if (Camera.main != null)
                {
                    target = CameraManager.Instance.SenceCamara.transform;
                }
            }

            if (target != null)
            {
                Vector3 dir = target.position - mTrans.position;
                float mag = dir.magnitude;

                if (mag > 0.001f)
                {
                    Quaternion lookRot = Quaternion.LookRotation(dir);
                    mTrans.rotation = Quaternion.Slerp(mTrans.rotation, lookRot, Mathf.Clamp01(speed * Time.deltaTime));
                }
            }
        }
    }

}