let objectsplash;

​

function setup() {

  createCanvas(1200, 800);

  frameRate(60);

  mic = new p5.AudioIn(); 

  mic.start();

}

​

function draw() {

  background(0);

​

  var vol = mic.getLevel();

  // print(vol);

  if (frameCount%1800 == 0) {

    splash = [];

  }

  if (vol > 0.01 && frameCount%3 == 0) {

    objectsplash = new Splash(random(50,1150), random(50,650), [random(255),random(255),random(255)], vol);

    splash.push(objectsplash);

  }

  for (let i = 0; i < splash.length; i++) {

    splash[i].pop();

  }

}

​

class Splash {

  constructor(x,y, color, vol){

    this.x = x;

    this.y = y;

    this.r = 0;

    this.color = color;

    this.vol = vol;

    this.opacity = 255;

  }

​

  pop() {

    fill(this.color[0],this.color[1],this.color[2], this.opacity/2);

    stroke(this.color[0],this.color[1],this.color[2], this.opacity);

    circle(this.x, this.y, this.r);

    this.r += (1 + this.vol*100);

    this.opacity = this.opacity - 2;

  }

}

​