let timeCurrent = 0;

let sizeShape = 500;

let direction = 0;

let x = 200;

let y = 200;

let xDirection = 1;

let yDirection = 1;

let display = 1;

function setup() {

  createCanvas(400, 400);

}

​

function draw() {

  if(display){

    background(220);

    display = 0;

  }

  while(timeCurrent < timeMax){

    circle(200, 200, 500 - timeCurrent*5)

    fill(random(255))

    timeCurrent += 1;

  }

}