mathober day-16: index

let img1, img2;

function preload() {
  img1 = loadImage("/assets/index.jpg");
  img2 = loadImage("/assets/star.png");
}

function setup() {
  createCanvas(600, 600);
  nStars = int(random(100, 300));
  angleMode(DEGREES);
  image(img1, 0, 0, 800, 800);
  noStroke();
  background(img1);
  imageMode(CENTER);
  stars = [];
  w = 3;
}

function draw() {
  translate(width / 2, height / 2);
  t1 = frameCount / 4;
  rotate(t1 / 2);
  image(img1, 0, 0, 800, 800);
  s = 90;
  x = -width / 5;
  y = width / 5;
  r = 100;
  push();
  translate(x, y);
  rotate(-t1);
  drawStar(0, 0, 100);
  pop();
  push();
  translate(-x, -y);
  rotate(-t1);
  drawStar(0, 0, 100);
  pop();
}

function drawStar(x, y, r) {
  image(img2, x, y, r * 4, r * 4);
  push();
  if (r > 5) {
    t = t1;
    r1 = r;
    drawStar(x + r * sin(t) * cos(t / 4), y + r * cos(t) * cos(t / 2), r / 4);
    drawStar(
      x + r * sin(t + 180) * cos(t / 4),
      y + r * cos(t + 180) * cos(t / 2),
      r / 4
    );
  }
  pop();
}