var y = 150;

var targetX = 150;

var targetY = 150;

var easing = 0.1;

​

​

function setup() {

  createCanvas(300, 300);

  noStroke();

  fill("Crimson");

}

​

function draw() {

  background("#EEEEEE");

  x = x + (targetX - x) * easing;

  y = y + (targetY - y) * easing;

  //ellipse(x, y, 50, 50);

  rect(x, y, 50);

}

​

function mousePressed() {

  targetX = mouseX;

  targetY = mouseY;

}