donuttttsound v2.

let torusRadius = 150; // radius of the torus

let holeRadius = 30; // radius of the hole

let cols, rows;

let ascii_chars = ["@", "#", "$", "%", "^", "&", "*", "(", ")", "-", "_", "=", "+", ":", ";", ",", ".", "<", ">", "?", "/", "\\", "|", "~", "`", "'", "\"", "{", "}", "[", "]"];

let font;

let lightX = -200;

let lightY = -200;

let lightZ = 200;

​

let mic, fft;

​

function preload() {

  font = loadFont('arial.ttf');

}

​

function setup() {

  createCanvas(600, 600, WEBGL);

  cols = width / 10;

  rows = height / 10;

  textFont(font);

​

  mic = new p5.AudioIn();

  mic.start();

  fft = new p5.FFT();

  fft.setInput(mic);

}

​

function draw() {

  background(0);

  noStroke();

  textSize(8);

​

  let spectrum = fft.analyze();

​

  pointLight(255, 255, 255, lightX, lightY, lightZ);

  ambientLight(50, 50, 50);

​

  rotateX(frameCount * 0.01);

  rotateY(frameCount * 0.01);

​

  for (let i = 0; i < cols; i++) {

    for (let j = 0; j < rows; j++) {

      let x = (i + 0.5) * 10;

      let y = (j + 0.5) * 10;

      let d = dist(x, y, width / 2, height / 2);

      let offset = map(d, 0, dist(0, 0, width / 2, height / 2), 0, PI);

      let a = map(spectrum[i], 0, 255, 0, 255);

      let ascii_index = floor(map(a, 0, 255, 0, ascii_chars.length));

      let ascii_char = ascii_chars[ascii_index];

​

      push();

      translate(x - width / 2, y - height / 2, 0);

      let vertexZ = sin(frameCount * 0.02 + offset) * 20;

      let charSize = map(spectrum[i], 0, 255, 3, 50);

      fill(a);

      translate(0, 0, vertexZ);

      textSize(charSize);

      text(ascii_char, 0, 0);

      pop();

    }

  }

​

  push();

  fill(50);

  translate(0, 0, -50);

  rotateX(PI / 2);

  torus(torusRadius, holeRadius, 48, 16);

  pop();

}

​