let detectors = [];

​

function preload() {

  audio = loadSound("phased_abstractions.mp3");

}

​

function setup() {

  createCanvas(640, 640);

  src_length = audio.duration();

  peaks = audio.getPeaks();

  audio.processPeaks(function(new_peaks) {

    processed_peaks = peaks;

  });

  fft = new p5.FFT();

  colorMode(HSL);

  noFill();

  strokeWeight(3);

  audio.loop();

  background(0)

}

​

function draw() {

  background(0, 100, 0, 0.2);

  let spectrum = fft.analyze();

  let bass = fft.getEnergy("bass");

  let mid = fft.getEnergy("mid");

  let treble = fft.getEnergy("treble");

  scale = map(cos(frameCount / 100) * bass, -255, 255, 50, width / 2)

  strokeWeight(map(bass, 200, 255, 3, 10))

  translate(width / 2, height / 2);

  rotate((frameCount/100) + radians(treble))

  stroke(frameCount % 360, 50, 50)

  beginShape();

  for (let i=0; i<100; i+=5) {

    let x = cos(i * sin(frameCount / 1000)) * scale;

    let y = sin(i * cos(frameCount / 1000)) * scale;

    curveVertex(x, y);

  }

  endShape();

}