OptionsController

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

public class OptionsController : MonoBehaviour {

	public Slider volumeSlider; 
	public Slider difficultySlider; 
	public Slider survivalSlider;
	public LevelManager levelManager; 

	private MusicManager musicManager; 

	// Use this for initialization
	void Start () {
		musicManager = GameObject.FindObjectOfType<MusicManager> ();
		volumeSlider.value = PlayPrefsManager.GetMasterVolume();
		difficultySlider.value = PlayPrefsManager.GetDifficulty ();
		survivalSlider.value = PlayPrefsManager.GetSurvivalMode ();
	}
	
	// Update is called once per frame
	void Update () {
		musicManager.ChangeVolume (volumeSlider.value);
	}

	public void ApplyAndExit (){
		// saving the volume and difficulty to the PlayerPrefs
		PlayPrefsManager.SetMasterVolume (volumeSlider.value);
		PlayPrefsManager.SetDifficulty (difficultySlider.value);
		PlayPrefsManager.SetSurvivalMode (survivalSlider.value);
		levelManager.LoadLevel ("01a Start");
	}

	public void SetDefaults(){
		volumeSlider.value = 0.5f;
		difficultySlider.value = 2f;
		survivalSlider.value = 0f;
	}
}