​

​

function setup()

{

  createCanvas(windowWidth, windowHeight);

  background(40);

  strokeWeight(dotSize);

  stroke(255);

  let base = floor(0.75 * height / dotSize);

  for (let i = 0; i < width / dotSize; ++i)

  {

    let x = i * 3;

    let offset = FactorCount(i + 1, 2);

    let y0 = base;

    let y1 = y0 - pow(offset, 2.5) * 2;

    Line(x, y0, x, y1);

  }

  print(LogB(50, 2));

}

​

​

function FactorCount(n, f)

{

  let c = 0;

  let divided = n / f;

  while (floor(divided) === divided)

  {

    ++c;

    n = divided;

    divided = n / f;

  }

  return c;

}

​

​

function Line(x0, y0, x1, y1)

{

  let n = 0.5;

  x0 = floor(x0) + n;

  y0 = floor(y0) + n;

  x1 = floor(x1) + n;

  y1 = floor(y1) + n;

  line(x0 * dotSize, y0 * dotSize,

       x1 * dotSize, y1 * dotSize);

}

​

​

function LogB(n, b) { return log(n) / log(b); }

​