Unityでライブのステージがつくりたいな・・・(曲に連動させてなにかする技術調査 part1 ~Beat Detection編~)

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

public class BeatDetectionTest : MonoBehaviour {

    public GameObject AudioBeat;

    public GameObject genergy;
    public GameObject gkick;
    public GameObject gsnare;
    public GameObject ghithat;

    public Sprite[] genegySprite;
    public Sprite[] gkickSprite;
    public Sprite[] gsnareSprite;
    public Sprite[] ghithatSprite;

    void Start () {
        AudioBeat.GetComponent<BeatDetection>().CallBackFunction = MyCallbackEventHandler;
    }

    public void MyCallbackEventHandler(BeatDetection.EventInfo eventInfo)
    {
        switch(eventInfo.messageInfo)
        {
        case BeatDetection.EventType.Energy:
            StartCoroutine(CharAction(genegySprite, genergy));
            break;
        case BeatDetection.EventType.HitHat:
            StartCoroutine(CharAction(gkickSprite, ghithat));
            break;
        case BeatDetection.EventType.Kick:
            StartCoroutine(CharAction(gsnareSprite, gkick));
            break;
        case BeatDetection.EventType.Snare:
            StartCoroutine(CharAction(ghithatSprite, gsnare));
            break;
        }
    }

    private IEnumerator CharAction(Sprite[] spriteList, GameObject obj)
    {
        obj.GetComponent<Image>().sprite = spriteList[1];
        obj.GetComponent<Image>().SetNativeSize();
        yield return new WaitForSeconds(0.2f);
        obj.GetComponent<Image>().sprite = spriteList[0];
        obj.GetComponent<Image>().SetNativeSize();
        yield break;
    }

}