formationPinwheel

function setup() {
  createCanvas(windowWidth, windowHeight);
  fill(255);
}

function draw() {
  background(0, 0, 0, 70);
  translate(width / 5, height / 5);
  t = TWO_PI * sin(frameCount / 1000);
  c = min(width,height) / 15;
  cTIter2(c);
  push()
  translate(width/2,height/2);
  scale(-1,1)
  cTIter2(c);
  pop()
  
}
function conwayTri(d) {
  rotate(t * cos(t));
  translate(200 * sin(t) * sin(t) * cos(t), 300 * cos(t) * sin(t));
  triangle(0, -d, 2 * d, 0, 0, 0);
  triangle(
    0,
    0,
    0,
    -d,
    (d * cos(1.107) * 2) / sqrt(5),
    (-d * sin(1.107) * 2) / sqrt(5)
  );
  triangle(
    (d * cos(1.107) * 2) / sqrt(5),
    (-d * sin(1.107) * 2) / sqrt(5),
    (d * cos(1.107) * 2) / sqrt(5) / 2,
    (-d * sin(1.107) * 2) / sqrt(5) / 2,
    d,
    0
  );
  triangle(
    2 * d - (d * cos(0.464) * 2) / sqrt(5),
    (-d * sin(0.464) * 2) / sqrt(5),
    d,
    0,
    2 * d,
    0
  );
}

function cTIter(c) {
  conwayTri(c);
  push();
  scale(-1, 1);
  translate(0, -c);
  rotate(1.571);
  conwayTri(c);
  pop();
  push();
  scale(1, -1);
  conwayTri(c);
  pop();
  push();
  translate(2 * c, -c);
  rotate(PI);
  conwayTri(c);
  pop();
  push();
  scale(1, -1);
  translate(2 * c, c);
  conwayTri(c);
  pop();
}

function cTIter2(c) {
  push();
  rotate(0.464);
  cTIter(c);
  pop();
  push();
  scale(1, -1);
  translate(0, -1.8 * c);
  rotate(0.464);
  cTIter(c);
  pop();
  push();
  scale(-1, -1);
  rotate(0.464);
  translate(-3 * c, 2 * c);
  cTIter(c);
  pop();
  push();
  scale(1, -1);
  translate(4.49 * c, c / 2.27);
  rotate(0.464);
  cTIter(c);
  pop();
  push();
  scale(-1, 1);
  translate(c * 1.35, -c * 0.9);
  rotate(0.464 + PI / 2);
  cTIter(c);
  pop();
}