using UnityEngine;
using System.Collections;

public class Steps : MonoBehaviour {
public CharacterController controller;
public AudioClip [] Step;
public float Speed;
   IEnumerator Start () {
    while(true)
     {
      if(controller.isGrounded && controller.velocity.magnitude > 1)
     {
       audio.PlayOneShot(Step[Random.Range(0, Step.Length)], 0.5F);
       yield return new WaitForSeconds(Speed);
     }
      else
     {
       yield return 0;
     }
    }
   }
}

using UnityEngine;
using System.Collections;

public class Music : MonoBehaviour {
   public AudioClip music;
   public Transform music_tr;
   public lamp_music Enter_music;

   // Update is called once per frame
   void Update ()   
   {
    audio.clip = music;
    if (Enter_music.triggerEnter == true)
    {
     transform.audio.PlayOneShot(music, 0.3f);
    }
   }
}