let klik = false;

let slider;

​

function setup() {

  createCanvas(300, 300);

  background(crvena, 100, 150);

  slider = createSlider(0, 255, 20);

}

​

function draw() {

  let zelena = random(30, 100);

  let r = slider.value();

  fill(152, zelena, 130);

  noStroke();

  if (klik) {

     circle(mouseX, mouseY, r); 

  }

}

​

function mousePressed() {

  klik = true;

}