Function median

src/content/Backgrounds/GridScan/GridScan.jsx:875–880

(buf)

}

function median(buf) {
  if (buf.length === 0) return 0;
  const a = [...buf].sort((x, y) => x - y);
  const mid = Math.floor(a.length / 2);
  return a.length % 2 ? a[mid] : (a[mid - 1] + a[mid]) * 0.5;
}

function centroid(points) {
  let x = 0,