Light LOD

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

public class Light_LOD_Enumerator : MonoBehaviour {
    public enum LODState
    {
        Full,
        Reduced
    }
    public GameObject player;
    public bool enableLightLOD = true;
    public float distance;
    public LODState lightLOD;
    [SerializeField] private int tick;
    [SerializeField] private Light thisLight;
    private Vector3 playerPos;
    private Vector3 thisPos;
    // Use this for initialization
    void Start ()
    {
        thisLight = this.GetComponent<Light>();
        tick = 0;
    }

    // Check is called (FPS/tick target) per frame
    void Update () {
        if (tick != 15) //change this to increase polling frequency
            tick++;
        else
        {
            thisPos = this.transform.position;
            playerPos = player.transform.position;
            distance = Vector3.Distance(thisPos, playerPos); //how far are we from the player
            tick = 0;
            TickUpdate();
        }
    }

    private void TickUpdate()
    {
        if (!enableLightLOD) return; //check if we enabled this; if not, dump
        if (thisLight.type == LightType.Spot)
        {
            lightLOD = distance <= thisLight.range * 1.25f ? LODState.Full : LODState.Reduced; //LOD0 if < the range of the light else LOD1, I dont like magic numbers but Unity Spotlight Range doesnt include the falloff area
        }
        else lightLOD = distance <= thisLight.range ? LODState.Full : LODState.Reduced; //LOD0 if < the range of the light else LOD1, this covers your point lights as the range is spherical
    switch (lightLOD)//enable/disable light. To change behavior, edit the cases, for example instead of turning them on and off you can swap to not important/vertex lighting for speed, could even add an extra state if you modify the enum and the ternary operators above
        {
            case LODState.Full:
                thisLight.enabled = true;
                break;
            case LODState.Reduced:
                thisLight.enabled = false;
                break;
        }
    }
}