Function yForAngle

src/scales/scale.radialLinear.js:222–229

(y, h, angle)

}

function yForAngle(y, h, angle) {
  if (angle === 90 || angle === 270) {
    y -= (h / 2);
  } else if (angle > 270 || angle < 90) {
    y -= h;
  }
  return y;
}

function drawPointLabelBox(ctx, opts, item) {
  const {left, top, right, bottom} = item;