let y = 200;

let sz = 150;

let f = 255;

let s = 255;

let mOver = false;

let swt = false;

​

​

function setup() {

  createCanvas(windowWidth, windowHeight);

}

​

​

function draw() {

  background(0);

  d = dist(x,y,mouseX,mouseY);

  if (d < sz/2){

    mOver = true;

  } else {

    mOver = false;

  }

​

  if (swt){

    f = 255;

    sz += 10;

  } else if (sz>150){

    f = 0;

    sz -= 10;

  } else {

    f = 0

  }

    if (mOver && sz <= 150 ){

    f = 80;

  } else {

    f = f;

  }

  print(sz)

  stroke(s);

  fill(f);

  ellipse(x,y,sz);

}

​

function mousePressed(){

  if (mOver){

    swt = !swt

  }

​

}

​