let x = 1;

let y = 1;

let easing = 0.05;

​

function setup() {

  createCanvas(400, 600);

  noStroke();

}

​

function draw() {

  background(230);

  let targetX = mouseX;

  let dx = targetX - x;

  x += dx * easing;

​

  let targetY = mouseY;

  let dy = targetY - y;

  y += dy * easing;

​

  ellipse(x, y, 66, 66);

}