let col;

​

​

function setup() {

  createCanvas(400, 400);

  input=new p5.AudioIn();

  input.start()

​

}

​

function draw() {

  //background(220);

  let vol=input.getLevel();

  col=map(vol,0,1,random(20,100),random(10,150))

  fill(col*2,col*20,150,100)

  stroke(col,20)

  let ellipseWidth=map(vol,0,1,50,width)

   let ellipseHeight=map(vol,0,1,50,height)

   ellipse(width/2,height/2,ellipseWidth, ellipseHeight)

}