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

public class AudioVisualizer : MonoBehaviour
{
    #region --------------------------------------- Private variables ---------------------------------------
    #region SerializeField
    [SerializeField] private GameObject musicCubePrefab = null;
    [SerializeField] private float maxScale;
    #endregion
    #region Non-SerializeField
    private int numOfSamples = 0;
    private GameObject[] _allTheCubes = null;
    #endregion
    #endregion ---------------------------------------
    #region ---------------------------- Private Methods ----------------------------
    #region -------------- Monobehaviour --------------
    private void Start()
    {
        numOfSamples = AudioPeer.numberOfSamples;
        _allTheCubes = new GameObject[numOfSamples];
        Debug.Log("num samples = " + numOfSamples);

        // num of samples is 512
        for (int i = 0; i < numOfSamples; i++)
        {
            GameObject musicCubeInstance = Instantiate(musicCubePrefab);
            musicCubeInstance.transform.position = this.transform.position;
            musicCubeInstance.transform.parent = this.gameObject.transform;
            musicCubeInstance.name = "SampleMusicCube_" + i;
            this.transform.eulerAngles = new Vector3(0, -0.703f * i, 0); // 360/512 = 0.703
            musicCubeInstance.transform.position = Vector3.forward * 300;
            _allTheCubes[i] = musicCubeInstance;
        }
    }

    private void Update()
    {
        for (int i = 0; i < numOfSamples; i++)
        {
            if (_allTheCubes != null)
            {
                _allTheCubes[i].transform.localScale = new Vector3(2.5f, AudioPeer.samples[i] * maxScale, 2.5f);
            }
        }
    }
    #endregion ----------------------------
    #endregion ----------------------------
}