Rayo Laser Unity

Script completo en el minuto 2:29
y aquí:

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

public class LaserScr : MonoBehaviour
{
RaycastHit2D raycastdetector;
public LineRenderer Linea;
public Transform tr;
private float largoDelLaser = 5f;
private float anchoDelCollider = 1.1f;

private void Update()
{

raycastdetector = Physics2D.Raycast

{
}
}
}

[El_.Joshua]

Gracias persona random de yutu tu video me sirivio :)