Main.java

package main;

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

/**
 * @author Borja Vazquez
 * @version 1.1.3
 */

public class Main extends JFrame{

    static final int JFRAME_WIDTH = 900;
    static  final int JFRAME_HEIGHT = 795;
    static Font info;
    static Font mainFont;
    static Font loose;

    public static void main(String args[]){
        JFrame frame = new JFrame("Tetris");
        Main.info = new Font("Dialog", Font.BOLD, 15);
        Main.mainFont = new Font("Dialog", Font.BOLD, 20);
        Main.loose = new Font("Dialog", Font.BOLD, 40);
        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        frame.getContentPane().add(new MainMenu(frame));
        frame.setPreferredSize(new Dimension(JFRAME_WIDTH, JFRAME_HEIGHT));
        centerWindow(frame);
        frame.pack();
        frame.setResizable(false);
        frame.setVisible(true);
    }

    public static void centerWindow(JFrame f){
        Dimension windowSize = f.getPreferredSize();
        Dimension pos = Toolkit.getDefaultToolkit().getScreenSize();

        int dx = (pos.width / 2) - (windowSize.width / 2);
        int dy = (pos.height / 2) - (windowSize.height / 2);
        f.setLocation(dx, dy);

    }

    public static void loadScene(JFrame frame, JPanel panel){
        frame.setContentPane(panel);
        frame.invalidate();
        frame.validate();
        panel.requestFocus();
    }

    public static void paintInfo(Graphics g){
        int x = 5;
        int y = 740;
        g.setColor(Color.GRAY);
        g.setFont(Main.info);
        g.drawString("Author: Borja Vazquez, Version: 1.1.4, Github: bovacu", x, y);
    }
}