chess/Chess/Chess.java

import java.util.ArrayList;
import java.awt.*;
import javax.swing.*;
import java.awt.event.*;
import javax.swing.border.*;
import java.awt.Color;


public class Chess extends JPanel implements ActionListener{
    
    //pieces stuff
    ArrayList<Piece> white;
    ArrayList<Piece> black;
    
    //game vars
    int boardWidth, boardHeight;
    boolean whiteTurn;
    Timer gameTimer;
    Color creme = new Color(254,245,218);
    Color brown = new Color(121,92,50);
    
    public Chess(int boardWidth, int boardHeight){
        this.boardWidth = boardWidth;
        this.boardHeight = boardHeight;
        setPreferredSize(new Dimension(this.boardWidth, this.boardHeight));
        setBackground(Color.WHITE);
        setFocusable(true);
        
        white = new ArrayList<>();
        black = new ArrayList<>();
        
        for (int i =0 ; i <= 7; i++){
            white.add(new Pawn(i+1,2,"White"));
        }
        for (int i =0 ; i <= 7; i++){
            black.add(new Pawn(i+1,7,"Black"));
        }
        
        gameTimer = new Timer(200,this);
        
        gameTimer.start();
        repaint();
    }
    
    public void gameLoop(){
        
    }
    
    public void draw(Graphics g){
        
        //draw board
        for (int i = 1; i <= 8; i++){
            for (int j = 1; j<= 8; j++){
                g.setColor((i%2 == 1 && j%2 == 1 ) || (i%2==0 && j%2 == 0)? creme : brown);
                g.fillRect(i * 40, j * 40, 40, 40);
            }
        }
        
        //draw pieces
        for (Piece p : white) p.draw(g);
        for (Piece p : black) p.draw(g);
    }
    
    public void paintComponent(Graphics g){
        super.paintComponent(g);
        draw(g);
    }
    
    public void actionPerformed(ActionEvent e){
        gameLoop();
        repaint();
    }
}