Major_Project_A/Assets/Scripts/MainMenuController.cs

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

public class MainMenuController : MonoBehaviour
{
	public Canvas GameOptionsMenu;
	public Canvas SettingsMenu;
	public Canvas MainMenu;
	public Canvas HowToPlayMenu;

	public Button SoundButton;
	public Button MusicButton;

	bool soundVolume = true;
	bool musicVolume = true;

	//On Awake
	private void Awake ()
	{
		MainMenu.enabled = true;
		SettingsMenu.enabled = false;
		GameOptionsMenu.enabled = false;
		HowToPlayMenu.enabled = false;
	}
		
	//Main Menu Options
	public void OnPlayClick ()
	{
		//toggle which menu displays
		MainMenu.enabled = false;
		GameOptionsMenu.enabled = true;
	}

	public void OnSettingsClick ()
	{
		//toggle which menu displays
		MainMenu.enabled = false;
		SettingsMenu.enabled = true;
	}

	public void OnTutorialClick ()
	{
		HowToPlayMenu.enabled = true;
	}
	public void OnTutorialContinueClick ()
	{
		UnityEngine.SceneManagement.SceneManager.LoadScene ("TuteLevelOne");
	}
		
	//Game Options and Settings Menu
	public void OnBackClick ()
	{
		GameOptionsMenu.enabled = false;
		SettingsMenu.enabled = false;
		MainMenu.enabled = true;
	}

	//Game Options Menu
	public void OnRecompileRaceClick ()
	{
		UnityEngine.SceneManagement.SceneManager.LoadScene ("ReCompileRaceOne");
	}

	public void OnColourCollideClick ()
	{
		UnityEngine.SceneManagement.SceneManager.LoadScene ("ColourCollideOne");
	}

	public void OnChickenRunClick ()
	{
		UnityEngine.SceneManagement.SceneManager.LoadScene ("ChickenRunOne");
	}

	//Settings menu
	public void OnSoundVolumeClick ()
	{
		if (soundVolume == true) {
			SoundButton.GetComponentInChildren<Text> ().text = "Sound Volume: OFF";
			soundVolume = false;
		} else {
			SoundButton.GetComponentInChildren<Text> ().text = "Sound Volume: ON";
			soundVolume = true;
		}
	}

	public void OnMusicVolumeClick ()
	{
		if (musicVolume == true) {
			//backgroundMusic.Stop();
			MusicButton.GetComponentInChildren<Text> ().text = "Music Volume: OFF";
			musicVolume = false;
		} else {
			//backgroundMusic.Play();
			MusicButton.GetComponentInChildren<Text> ().text = "Music Volume: ON";
			musicVolume = true;
		}
	}

	public void OnUnknownClick ()
	{
		
	}
}