let angle2 = 0;

​

​

​

function setup() {

  let r = random(0,255)

  let g = random(0,255)

  let b = random(0,255)

  createCanvas(500, 500, WEBGL);

    background(r,g,b);

}

​

function draw() {

​

​

  // Rotate the cube around the Y-axis and X-axis

  rotateY(angle);

  rotateX(angle2);

​

  // Draw the outer cube

  drawCube(200);

​

  // Increment the angle for continuous rotation

  angle += 0.001;

  angle2 += 0.002;

}

​

function drawCube(size) {

  let r = random(0,255)

  let g = random(0,255)

  let b = random(0,255)

​

  push();

  noFill()

  let s = second();

  // Top

  if (s % 0) {

  fill(random(r,g,b))

  }

  beginShape();

  vertex(-size/2, -size/2, -size/2);

  vertex(size/2, -size/2, -size/2);

  vertex(size/2, -size/2, size/2);

  vertex(-size/2, -size/2, size/2);

  endShape(CLOSE);

  noFill()

  // Bottom

  if (s % 0) {

    fill(random(r,g,b))

  }

  beginShape();

  vertex(-size/2, size/2, -size/2);

  vertex(size/2, size/2, -size/2);

  vertex(size/2, size/2, size/2);

  vertex(-size/2, size/2, size/2);

  endShape(CLOSE);

  noFill()

​

  // Left

  if (s % 5 == 0) {

     fill(random(r,g,b))

  }

  beginShape();

  vertex(-size/2, -size/2, -size/2);

  vertex(-size/2, -size/2, size/2);

  vertex(-size/2, size/2, size/2);

  vertex(-size/2, size/2, -size/2);

  endShape(CLOSE);

  noFill()

​

  // Right

  if (s % 5 == 0) {

     fill(random(r,g,b))

  }

  beginShape();

  vertex(size/2, -size/2, -size/2);

  vertex(size/2, -size/2, size/2);

  vertex(size/2, size/2, size/2);

  vertex(size/2, size/2, -size/2);

  endShape(CLOSE);

  noFill()

  // Front

  if (s % 5 == 0) {

     fill(random(r,g,b))

  }

  beginShape();

  vertex(-size/2, -size/2, size/2);

  vertex(size/2, -size/2, size/2);

  vertex(size/2, size/2, size/2);

  vertex(-size/2, size/2, size/2);

  endShape(CLOSE);

  noFill()

  // Back

  if (s % 5 == 0) {

     fill(random(r,g,b))

  }

  beginShape();

  vertex(-size/2, -size/2, -size/2);

  vertex(size/2, -size/2, -size/2);

  vertex(size/2, size/2, -size/2);

  vertex(-size/2, size/2, -size/2);

  endShape(CLOSE);

  noFill()

​

  // Draw the inner recursive cube

  if (size > 100) { // Limit the recursion

    push();

    scale(0.9);

    drawCube(size * 0.9);

    pop();

  }

  pop();

}

​