let x;

​

function setup() {

  createCanvas(windowWidth, windowHeight);

  noStroke();

  x = 0;

  r = width;

​

}

​

​

​

function draw() {

  background(0);

  x+=0.01;

  r -= pow(x, -1);

  r = max(r, 0);

  console.log(x, pow(x, 10));

  ellipse(width / 2, height / 2, r, r);

}

​

​

​

function mousePressed() {

  if (r < 0) r = 10000;

  x = 0;

​

}