using UnityEngine;

public class FaceTargetXZ : MonoBehaviour
{
    public Transform target;
    public Vector3 targetPos;

    void LateUpdate()
    {
        Vector3 _facingDir = transform.forward;

        if (target != null)
        {
            _facingDir = (target.position - transform.position).normalized;
        }
        else if (targetPos != Vector3.zero)
        {
            _facingDir = (targetPos - transform.position).normalized;
        }
        else
        {
            _facingDir = transform.forward;
        }

        _facingDir.y = 0;

        RaycastHit _hitInfo;
        if (Physics.Raycast(transform.position + _facingDir + new Vector3(0, 20, 0), Vector3.down, out _hitInfo, 50, LayerUtility.WalkbleMask))
        {
            transform.LookAt(_hitInfo.point);
        }
        else
        {
            if (transform.forward != _facingDir && _facingDir != Vector3.zero)
            {
                transform.forward = _facingDir;
            }
        }

    }

    private void OnDestroy()
    {
        target = null;
    }
}