var lineThick = 1;

var extent = 200;

var step = 50;

var rotateSpeed = 0.005;

var extrudeRate = 0.01;

​

function setup() {

  // put setup code here

  createCanvas(700, 600, WEBGL);

  ortho();

}

​

function rotateDraw(x,y) {

  push();

  translate(x, y, 0);

  noFill();

  stroke(10);

  rotateZ(frameCount * rotateSpeed);

  rotateX(frameCount * rotateSpeed);

  rotateY(frameCount * rotateSpeed);

  box(boxSize, boxSize, 10 + frameCount * extrudeRate);

  pop();

}

​

function draw() {

  // put drawing code here

  background(220,150,50);

  strokeWeight(lineThick);

  for (i_x = -extent; i_x < extent; i_x += step) {

    for (i_y = -extent; i_y < extent; i_y += step) {

      rotateDraw(x=i_x,y=i_y);

    }

  } 

}