let cols, rows;

let size = 10;

let d = [];

let max;

let colors = ["#f72585","#b5179e","#7209b7","#560bad","#480ca8","#3a0ca3","#3f37c9","#4361ee","#4895ef","#4cc9f0"];

let rings = 2;

let audioSourceIndex = 4; // Set desired audio source index

​

function setup() {

  createCanvas(600, 400);

  mic = new p5.AudioIn();

​

  // Get available sources and set to index 4 if available

  mic.getSources((deviceList) => {

    if (deviceList.length > audioSourceIndex) {

      mic.setSource(audioSourceIndex);

      console.log("Audio source set to:", deviceList[audioSourceIndex].label);

    } else {

      console.log("Audio source index out of range. Using default.");

    }

    mic.start();

  });

​

  cols = width / size;

  rows = height / size;

  max = sqrt(pow(width / 2, 2) + pow(height / 2, 2));

​

  for (let i = 0; i < cols; i++) {

    d[i] = [];

    for (let j = 0; j < rows; j++) {

      let x = i * size + size / 2;

      let y = j * size + size / 2;

      d[i][j] = dist(x, y, width / 2, height / 2);

    }

  }

}

​

function draw() {

  background(255);

  let amplitude = mic.getLevel() * 15;

​

  for (let i = 0; i < cols; i++) {

    for (let j = 0; j < rows; j++) {

      let x = i * size + size / 2;

      let y = j * size + size / 2;

      let index = floor(map(abs(d[i][j]), 0, max, 0, colors.length * rings));

​

      let c = colors[index % colors.length];

      fill(c);

      strokeWeight(2);

      ellipse(x, y, size, size);

      d[i][j] -= amplitude;

    }

  }

}

​

function mousePressed() {

  if (mouseX > 0 && mouseX < width && mouseY > 0 && mouseY < height) {

    let fs = fullscreen();

    fullscreen(!fs);

  }

}

​