Car Control

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

public class CarControl : MonoBehaviour {
	public GameObject[] Lights_Reverse;
	public GameObject[] Lights_Norm;
	public GameObject[] Lights_Turn;

	public Material[] turn;
	public Material[] norm;
	public Material[] reverse;

	[Space]
	public AudioSource StartupSound;
	public AudioSource IdleSound;
	public AudioSource Blinker;
	private bool Started = false;
	public ParticleSystem smoke;

	public bool turnIsOn;
	public bool normIsOn;
	public bool revIsOn;
	private bool turnIsOnT;
	public float blinkerTime = 0;
	void Start(){
		turnIsOn = false;
		normIsOn = false;
		revIsOn = false;
		turnIsOnT = false;
	}

	public void turnOn(string name){
		if (name == "norm") {
			normIsOn = !normIsOn;
		}
		else if (name == "turn") {
			turnIsOn = !turnIsOn;
			Blinker.Play ();
		}
		else if (name == "reverse") {
			revIsOn = !revIsOn;
		}
	}

	public void StartUp(){
		if (!Started) {
			StartupSound.Play ();
			smoke.Play ();
			Started = true;
		} else {

			Started = false;
		}
	}


	private float timer = .5f;

	void Update(){
		if (StartupSound.time > 2) {
			StartupSound.Stop ();
			IdleSound.Play ();
		}

		if (!Started)
			IdleSound.Stop ();
		//turn blink
		if (turnIsOn) {
			timer -= Time.deltaTime;

			if (timer < 0) {
				if (turnIsOnT) {
					turnIsOnT = false;
				} else {
					turnIsOnT = true;
				}
				timer = blinkerTime;
			}
		} else {
			Blinker.Stop ();
			turnIsOnT = false;
		}

		if (!turnIsOnT) {
			foreach (GameObject go in Lights_Turn) {
				go.gameObject.GetComponent<Renderer> ().material = turn [1];
			}
		} else {
			foreach (GameObject go in Lights_Turn) {
				go.gameObject.GetComponent<Renderer> ().material = turn [0];
				}
		}

		if (!normIsOn) {
			foreach (GameObject go in Lights_Norm) {
				go.gameObject.GetComponent<Renderer> ().material = norm [1];
			}
		} else {
			foreach (GameObject go in Lights_Norm) {
				go.gameObject.GetComponent<Renderer> ().material = norm [0];
			}
		}
		if (!revIsOn) {
			foreach (GameObject go in Lights_Reverse) {
				go.gameObject.GetComponent<Renderer> ().material = reverse [1];
			}
		} else {
			foreach (GameObject go in Lights_Reverse) {
				go.gameObject.GetComponent<Renderer> ().material = reverse [0];
			}
		}

	}
		
}