var xPos = [1];

​

​

function setup() {

  createCanvas(400, 400);

  easing = 0.05;

  y = 50;

  x = 50;

}

​

​

function draw() {

  background(220);

  nextX = xPos[xPos.length - 1];

  x = lerp(x, nextX, easing);

  circle(x, y, 50, 50);

}

​

​

function mousePressed() {

  xPos.push(xPos[xPos.length - 1] + 100);

  //console.log(xPos);

}

​