let gravity = 1.06;

​

function setup() {

  createCanvas(400, 400);

  for (i = 0; i < 10; i++) {

    boxes[i] = new Box(random(width), random(height), random(25, 50));

  }

}

​

function draw() {

  background(220);

​

  for (i = 0; i < boxes.length; i++) {

    boxes[i].show();

    boxes[i].fall(height);

  }

}

​

class Box {

  constructor(x, y, size) {

    this.x = x;

    this.y = y;

    this.size = size;

  }

​

  show() {

    rect(this.x, this.y, this.size, this.size);

  }

  fall(ground) {

    this.y = this.y * gravity;

    if (this.y + this.size >= ground) {

      this.y = ground - this.size;

      //this.x++

    }

  }

}

​

function mouseDragged(){

  boxes.push(new Box(mouseX, mouseY, random(25,50)));

}

​