using UnityEngine;
using System.Collections;
using UnityEngine.UI;
[RequireComponent(typeof(AudioSource))]
public class BuzzerEventScript : MonoBehaviour {
public GameObject[] cube;
public int[] Hertz;
public float MeterFactor = 1;
public float BUZZER_HZ_MIN;
public int BUZZER_REPEAT_MIN;
private float[] _spectrum = new float[1024 * 8];
private AudioSource audio;
private float[] values;
void Start() {
audio = GetComponent<AudioSource>();
// Microphone
// 引数は、デバイス名（null ならデフォルト）、ループ、何秒取るか、サンプリング周波数
audio.clip = Microphone.Start(null, true, 999, 44100);
while (Microphone.GetPosition(null) <= 0) { }
audio.Play();
}
void Update() {
audio.GetSpectrumData(_spectrum, 0, FFTWindow.BlackmanHarris);
values = new float[cube.Length];
for (int i = 0; i < _spectrum.Length; ++i) {
var freq = ((AudioSettings.outputSampleRate * 0.5) / _spectrum.Length) * i;
var idx = SpectrumToIndex((int)freq);
if (idx >= 0) {
values[idx] = Mathf.Max(_spectrum[i], values[idx]);
}
}
for (int i = 0; i < cube.Length; ++i) {
float meterValue = System.Math.Min(1.0f, values[i] * int.Parse(MeterFactorInput.text));
cube[i].transform.localScale = new Vector3(cube[i].transform.localScale.x, meterValue, cube[i].transform.localScale.z);
}
}
int SpectrumToIndex(int freq) {
for (int n = 0; n < Hertz.Length; n++) {
if (Hertz[n] > freq) {
return n;
}
}
return -1;
}
}
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