import objectdraw.*;
import java.awt.*;

// draws a standard 8x8 checkerboard
public class Checkerboard extends FrameWindowController {
    
    // location and dimensions of the board
    private static final int LEFT = 20, TOP = 20, SQUARE_SIZE = 20;
    
    // number of squares along the side of the board
    private static final int SIDE_SQUARES = 8;
    
    // draw the FilledRects that make up the board, row by row
    public void begin() {
        for (int row = 0; row < SIDE_SQUARES; row++) {
            for (int col = 0; col < SIDE_SQUARES; col++) {
                int squareX = LEFT + col * SQUARE_SIZE;
                int squareY = TOP + row * SQUARE_SIZE;
                FilledRect square = new FilledRect(
                        squareX, squareY, SQUARE_SIZE, SQUARE_SIZE, canvas);
                if ((row + col) % 2 == 0) {
                    square.setColor(Color.RED);
                }
            }
        }
    }
    
}