Refraction: Reflective Object

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

public class ReflectiveObject : MonoBehaviour
{
    public bool isReflecting = false; // Checks whether this object is being hit by a laser
    public float laserSize = 0.1f;
    [Header("LaserProperties")]
    public Transform emitPoint; // Empty gameobject that is laser origin
    LineRenderer lr;
    public Transform endPoint; // Empty gameobject that is end of laser
    [Header("GameObjects")]
    public GameObject sparks;
    public GameObject pointLight;
    private Vector3 originalPosition; // Stores the original position of the endpoint before it is moved by lineRenderer

    void OnTriggerStay(Collider other)
    {
        if (other.tag == "Laser")
        {
            isReflecting = true;
        }
    }

    void OnTriggerExit(Collider other)
    {
        if (other.tag == "Laser")
        {
            isReflecting = false;
        }
    }
    void Start()
    {
        lr = GetComponent<LineRenderer>();
        GetComponent<LineRenderer>().enabled = false; // Does not start shooting laser upon play
        sparks.SetActive(false);
        pointLight.SetActive(false); // sparks and pointLight start inactive
        originalPosition = endPoint.transform.position; // Stores reference to endPoint's original position
    }

    // Update is called once per frame
    void Update()
    {
        if (isReflecting)
        {
            lr.startWidth = laserSize; lr.endWidth = laserSize;

            GetComponent<LineRenderer>().enabled = true; // Shoot own laser while hit by laser
            sparks.SetActive(true);
            pointLight.SetActive(true);
            lr.SetPosition(0, emitPoint.position); // Set start point of laser to empty gameObject
            RaycastHit hit;
            if (Physics.Raycast(emitPoint.position, transform.right, out hit, Mathf.Infinity, -1, QueryTriggerInteraction.Ignore))
            {
                if (hit.collider)
                {
                    lr.SetPosition(1, hit.point); // Set end point of laser to the point where raycast hits collider
                    endPoint.position = hit.point;
                }
            }
            else
            {
                lr.SetPosition(1, emitPoint.position + transform.right * 1000); // Line extends 1000 units to the right if not hitting anything
                sparks.SetActive(false);
                pointLight.SetActive(false);
            }
        }
        else
        {
            endPoint.transform.position = originalPosition; // When we are not reflecting, return end point to originalPosition;
            GetComponent<LineRenderer>().enabled = false;
            sparks.SetActive(false);
            pointLight.SetActive(false); // sparks and pointLight deactivated
        }
    }
}