How to use

setCenterY

method

in

javafx.scene.shape.Arc

private void updateArcLayout(double radius, double arcSize) {
  arc.setRadiusX(radius);
  arc.setRadiusY(radius);
  arc.setCenterX(arcSize / 2);
  arc.setCenterY(arcSize / 2);
  track.setRadiusX(radius);
  track.setRadiusY(radius);
  track.setCenterX(arcSize / 2);
  track.setCenterY(arcSize / 2);
  track.setStrokeWidth(arc.getStrokeWidth());
}

private void updateArcLayout(double radius, double arcSize) {
  arc.setRadiusX(radius);
  arc.setRadiusY(radius);
  arc.setCenterX(arcSize / 2);
  arc.setCenterY(arcSize / 2);
  track.setRadiusX(radius);
  track.setRadiusY(radius);
  track.setCenterX(arcSize / 2);
  track.setCenterY(arcSize / 2);
  track.setStrokeWidth(arc.getStrokeWidth());
}

  @Override
  protected void layoutChildren() {
    double size = Math.min(getWidth(), getHeight()) * 0.9;
    double margin = size / 10;

    c.setCenterX(size / 2);
    c.setCenterY(size / 2);
    c.setRadius(size / 2);

    a1.setCenterX(size / 4 + margin / 2);
    a1.setCenterY(size / 2);
    a1.setRadiusX(size / 4 - margin / 2);
    a1.setRadiusY(size / 4 - margin / 2);

    a2.setCenterX(size * 3 / 4 - margin / 2);
    a2.setCenterY(size / 2);
    a2.setRadiusX(size / 4 - margin / 2);
    a2.setRadiusY(size / 4 - margin / 2);
  }
}

  @Override
  protected void layoutChildren() {
    double size = Math.min(getWidth(), getHeight());
    double marginY = size / 10;

    l1.setStartX(size / 2);
    l1.setStartY(0);
    l1.setEndX(size / 2);
    l1.setEndY(marginY);

    double r = (size - (2 * marginY)) / (2 + 2 * (spirals - 1) * Math.cos(Math.PI / 4));

    for (int i = 0; i < spirals; i++) {
      a[i].setCenterX(size / 2);
      a[i].setCenterY(marginY + r + 2 * i * r * Math.cos(Math.PI / 4));
      a[i].setRadiusX(r);
      a[i].setRadiusY(r);
    }

    l2.setStartX(size / 2);
    l2.setStartY(size - marginY);
    l2.setEndX(size / 2);
    l2.setEndY(size);
  }
}