import javax.swing.*;
import java.awt.*;
import java.awt.event.*;

public class SkyFrame extends JFrame {
    private SunPanel sunPanel;

    public SkyFrame() {
        setTitle("Sky with Sun");
        setLayout(new BorderLayout());

        sunPanel = new SunPanel();
        add(sunPanel, BorderLayout.CENTER);

        addMouseListener(new MouseAdapter() {
            @Override
            public void mouseClicked(MouseEvent e) {
                sunPanel.increaseSunRadius(15);
            }
        });
    }
}