let color = "#00f";

let shape_width = 20;

​

let shapes = [];

​

function setup() {

  createCanvas(400, 400);

  x = -shape_width;

  y = height / 2;

  x_mult = shape_width;

  y_mult = 200; 

  time=0;

  shapes.push(new Shape(x,y));

}

​

function draw() {

  strokeWeight(0);

  fill(color);

  background(255);

  if (time % 40 == 0){

    shapes.push(new Shape(x,y));

  }

  shapes.map((shape) =>{

    shape.render();  

    shape.move();

  });

  time += 1;

}