def setup
  background(220)

  v_initial = createVector(10, 20, 2)
  v_normalized = P5Vector.normalize(v_initial)

  div = createDiv("[#{v_normalized.x}, #{v_normalized.y}, #{v_normalized.z}]")
  div.position(10, 10)
  div.style('font-size', '14px')
  div.style('width', '200px')
end