Flag Pane

import javafx.collections.ObservableList;
import javafx.scene.layout.Pane;
import javafx.scene.paint.Color;
import javafx.scene.shape.Polygon;
import javafx.scene.shape.Rectangle;

class FlagPane extends Pane {
    private void paint() {
        this.getChildren().clear();
        for (int i = 0; i < 7; i++) {
            Rectangle r = new Rectangle();
            r.setX(10);
            r.setWidth(getWidth() - 20);
            r.setHeight((getHeight() - 20) / 13.0);
            r.setY((getHeight() - 20) / 13.0 * (2 * i) + 10);
            r.setFill(Color.RED);
            this.getChildren().add(r);
        }
        Rectangle b = new Rectangle();
        b.setX(10);
        b.setWidth((getWidth()-20) * .39);
        b.setHeight((getHeight()-20) * (.5385));
        b.setY(10);
        b.setFill(Color.BLUE);
        this.getChildren().add(b);

        Polygon t = new Polygon();
        for (int i = 1; i < 12; i++) {
            if (i > 1){
                i = i + 1;
            }
            t = getStar((getWidth() - 20) * (i*(.063/1.9)),(getHeight() - 20) * (.054),5);
        }
        for (int i = 1; i < 11; i++) {
            if (i > 1){
                i = i + 1;
            }
            t = getStar((getWidth() - 20) * (i*(.063/1.9)),(getHeight() - 20) * (3 * .054),5);
        }
        for (int i = 1; i < 11; i++) {
            if (i > 1){
                i = i + 1;
            }
            t = getStar((getWidth() - 20) * (i*(.063/1.9)),(getHeight() - 20) * (5 * .054),5);
        }
        for (int i = 1; i < 11; i++) {
            if (i > 1){
                i = i + 1;
            }
            t = getStar((getWidth() - 20) * (i*(.063/1.9)),(getHeight() - 20) * (7 * .054),5);
        }
        for (int i = 1; i < 11; i++) {
            if (i > 1){
                i = i + 1;
            }
            t = getStar((getWidth() - 20) * (i*(.063/1.9)),(getHeight() - 20) * (9 * .054),5);
        }
        for (int i = 2; i < 11; i++) {
            if (i > 2){
                i = i + 1;
            }
            t = getStar((getWidth() - 20) * (i*(.063/1.9)),(getHeight() - 20) * (2 * .054),5);
        }
        for (int i = 2; i < 11; i++) {
            if (i > 2){
                i = i + 1;
            }
            t = getStar((getWidth() - 20) * (i*(.063/1.9)),(getHeight() - 20) * (4 * .054),5);
        }
        for (int i = 2; i < 11; i++) {
            if (i > 2){
                i = i + 1;
            }
            t = getStar((getWidth() - 20) * (i*(.063/1.9)),(getHeight() - 20) * (6 * .054),5);
        }
        for (int i = 2; i < 11; i++) {
            if (i > 2){
                i = i + 1;
            }
            t = getStar((getWidth() - 20) * (i*(.063/1.9)),(getHeight() - 20) * (8 * .054),5);
        }
    }
        private Polygon getStar (double cx, double cy, double radius){
        Polygon p = new Polygon();
        ObservableList<Double> list = p.getPoints();
        list.add(cx + radius * Math.cos(Math.toRadians(18)));
        list.add(cy - radius * Math.sin(Math.toRadians(18)));
        list.add(cx + (.3 * radius) * Math.cos(Math.toRadians(72)));
        list.add(cy - (.3 * radius) * Math.sin(Math.toRadians(72)));
        list.add(cx + radius * Math.cos(Math.toRadians(90)));
        list.add(cy - radius * Math.sin(Math.toRadians(90)));
        list.add(cx + (.3 * radius) * Math.cos(Math.toRadians(108)));
        list.add(cy - (.3 * radius) * Math.sin(Math.toRadians(108)));
        list.add(cx + radius * Math.cos(Math.toRadians(162)));
        list.add(cy - radius * Math.sin(Math.toRadians(162)));
        list.add(cx + (.3 * radius) * Math.cos(Math.toRadians(180)));
        list.add(cy - (.3 * radius) * Math.sin(Math.toRadians(180)));
        list.add(cx + radius * Math.cos(Math.toRadians(234)));
        list.add(cy - radius * Math.sin(Math.toRadians(234)));
        list.add(cx + (.3 * radius) * Math.cos(Math.toRadians(270)));
        list.add(cy - (.3 * radius) * Math.sin(Math.toRadians(270)));
        list.add(cx + radius * Math.cos(Math.toRadians(306)));
        list.add(cy - radius * Math.sin(Math.toRadians(306)));
        list.add(cx + (.3 * radius) * Math.cos(Math.toRadians(360)));
        list.add(cy - (.3 * radius) * Math.sin(Math.toRadians(360)));
        list.add(cx + radius * Math.cos(Math.toRadians(378)));
        list.add(cy - radius * Math.sin(Math.toRadians(378)));

        p.setFill(Color.WHITE);
        p.setStroke(Color.WHITE);
        this.getChildren().add(p);

        return p;

    }


    @Override
    public void setWidth(double width) {
        super.setWidth(width);
        paint();
    }

    @Override
    public void setHeight(double height) {
        super.setHeight(height);
        paint();
    }
}