Simple "Can I see X" script for unity

Look.cs

using System.Collections;
using System.Collections.Generic;
using UnityEngine;

public class looker : MonoBehaviour
{
    [SerializeField] private GameObject target;
    [SerializeField] private float viewAngle = 30f;
    [SerializeField] public RaycastHit hit;

    // Start is called before the first frame update
    void Start()
    {
        
    }

    // Update is called once per frame
    void Update()
    {
        Vector3 targetDir = target.transform.position - transform.position;
        float angle = Vector3.Angle(targetDir, transform.forward);

        if (Physics.Raycast(
            transform.position,
            transform.TransformDirection(targetDir),
            out hit,
            15f))
        {
            print(hit.collider.gameObject.name);
            if (angle < viewAngle && target.name == hit.collider.gameObject.name)
            {
                Debug.DrawRay(transform.position, transform.TransformDirection(targetDir) * hit.distance, Color.red);

            } else
            {
                // Debug.DrawRay(transform.position, transform.TransformDirection(targetDir) * hit.distance, Color.yellow);
            }
        }
    }
}