x-mas T

let W = 400;

let f = 0;

​

setup = _ => {

  createCanvas(W, W, WEBGL);

  noStroke();

}

​

draw = _ => {

  background(0);

  rotateX(0.6);

  for (let z = W; z >= 0; z-=4) {  // Use z-- if you want the smooth lines (slow!)

    for (let i = 0; i < 6; i += 0.8) {

      push();

      translate(0, -150, -z);

      rotate(i + sin(z / 200 + f));

      if (z === 0) ellipse(0, 0, 22, 99);

      circle(0, z * 0.7, 2);

      fill(sin(f * 3 + z / 15) * 125 + 125);

      ellipse(0, 0, z / 3, z);

      pop();

    }

  }

  f -= .03

}