let newColor = false;

let randomColor;

let mic;

let rotation = 0;

let x;

let y;

​

function setup() {

  createCanvas(600, 600);

  background(40);

  colors = [

    color(255,0,193, 100),

    color(150,0,255, 100),

    color(73,0,255, 100),

    color(0,184,255, 100),

    color(0,255,249, 100)

  ];

  mic = new p5.AudioIn();

  mic.start();

}

​

function draw() {

  const micLevel = mic.getLevel();

  if (micLevel > 0.1) {

    if (!newColor) {

      x = random(0, width);

      y = map(micLevel, 0, 0.5, height, 0);

      randomColor = colors[int(random(0, colors.length))];

      newColor = true;

    }

    translate(x, y);

    // const rotation = map(mouseX+mouseY, 0, height*2, 0, TWO_PI);

    rotation += 0.1*noise(x, y);

    rotate(rotation);

    stroke(randomColor);

    const lineLength = random(100, 400);

    line(-lineLength/2, 0, lineLength/2, 0);

  } else {

    newColor = false; 

  }

}