问基于麦克风频率的p5.js球运动

EN

var mic;
var fft;
const average = arr => arr.reduce((a,b) => a + b, 0) / arr.length;

function setup() {
  createCanvas(700, 700);

  mic = new p5.AudioIn();
  buttonStart = createButton('start')
  buttonStop = createButton('stop')

  buttonStart.mousePressed(() => {
    mic.start();
  })

  fft = new p5.FFT(0, 32);
  fft.setInput(mic);
  buttonStop.mousePressed(() => {
    mic.stop();
  })
}

function timeout(freqs) {
  var avgFreq = average(freqs);
  console.log(avgFreq);
  fill(0);
  ellipse(50, avgFreq, 30, 30)

}

function draw() {
  background(220);
  let temp = [];
  let freqs = fft.analyze();
  temp.push(average(freqs));
  setInterval(timeout(temp),1000);
  console.log(temp);
}