Refraction: Laser Emitter

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

public class LaserEmitter : MonoBehaviour
{
    private LineRenderer lr;
    public float laserSize = 0.1f;
    [Header("Transforms")]
    public Transform LaserHit;
    public Transform emitPoint;
    public Transform endPoint;

    public GameObject sparks;


    void Start()
    {
        lr = GetComponent<LineRenderer>();
    }

    // Update is called once per frame
    void Update()
    {
        lr.startWidth = laserSize;
        lr.endWidth = laserSize; // Allows me to easily and precisely change width of laser in inspector without dragging points

        lr.SetPosition(0, emitPoint.position); // Sets beginning of laser to empty gameObject EmitPoint
        RaycastHit hit;
        // public static int RaycastNonAlloc(Vector3 origin, Vector3 direction, RaycastHit[] results, [Internal.DefaultValue("Mathf.Infinity")] float maxDistance, [Internal.DefaultValue("DefaultRaycastLayers")] int layerMask, QueryTriggerInteraction queryTriggerInteraction)
        if (Physics.Raycast(emitPoint.position, transform.right, out hit, Mathf.Infinity, -1, QueryTriggerInteraction.Ignore)) // Laser does not ignore regular colliders, but ignores triggers
        {

            if (hit.collider)
            {
                lr.SetPosition(1, hit.point); // Sets end of laser to point of collision of raycast
                endPoint.position = hit.point; // Places endPoint gameObject at end of laser

                if (hit.collider.tag == "Reflector" || hit.collider.tag == "Player") // Check if collider hit is reflective OR player
                {
                    sparks.SetActive(false); // Disables sparks on reflective objects
                }
                else
                {
                    sparks.SetActive(true); // Otherwise, re-enable sparks
                }
            }
        }
        else
        {
            lr.SetPosition(1, emitPoint.position + transform.right * 100); // If there is no collider in raycast, extend line for 100 units
            // emitPoint.position is added transform.right to make x and y-coordinate of both points of LineRenderer be the same
            endPoint.position = lr.GetPosition(1);
            sparks.SetActive(true);
        }
    }
}