using UnityEngine;
using System.Collections;

public class MP3Pleer : MonoBehaviour {
public AudioSource pleer;
int currentTrek = 0;
int numberTrek;
public AudioClip[] treks;

void Awake () {
numberTrek = treks.Length - 1;
}

void Update () {
if (Input.GetKeyDown(KeyCode.Z))
{
pleer.Play();
}

if (Input.GetKeyDown(KeyCode.X))
{
pleer.Stop();
}

if (Input.GetKeyDown(KeyCode.B))
{
if (currentTrek + 1 <= numberTrek)
{
currentTrek++;
SelectTrek(currentTrek);
pleer.Play();
}
}
else if(Input.GetKeyDown(KeyCode.V))
{
if (currentTrek - 1 >= 0)
{
currentTrek--;
SelectTrek(currentTrek);
pleer.Play();
}
else
{
currentTrek = numberTrek;
SelectTrek(currentTrek);
}
}
}

void SelectTrek(int index)
{
for (int cnt = 0; cnt < treks.Length; cnt++)
{
if (cnt == index)
{
pleer.clip = treks[cnt];
}
}
}
}