Windmill

// Inspired by Anthony Howe - Di-Octo

// https://www.howeart.net/

​

function setup() {

  createCanvas(windowWidth, windowHeight, WEBGL);

}

​

function draw() {

  background("white");

​

  if (mouseIsPressed) {

    stroke(0);

  } else {

// lighting

    noStroke();

    directionalLight(color("white"), 0, 0, -1);

  }

// camera control

  rotateY((mouseX / width) * PI);

  rotateZ((mouseY / height) * PI);

​

// ring

  push();

  rotateX(PI / 2);

  torus(300, 8);

  pop();

​

// feathers

  const angle = -frameCount / 30;

  for (let i = 24; i--; ) {

    rotateY(TWO_PI / 24);

    push();

    translate(300, 0, 0);

    rotateZ(angle);

    push();

    for (let j = 2; j--; rotateZ(PI)) {

      let featherSize = 70;

      push();

      for (let k = 12; k--; ) {

        push();

        translate(10, 0, 0);

        box(20, 5, 5);

        pop();

        translate(20, 0, 0);

        rotateZ(0.1);

        push();

        rotateY(PI / 2);

        plane(featherSize);

        featherSize *= 0.9;

        pop();

      }

      pop();

    }

    pop();

    pop();

  }

}

​