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我想知道我的代碼是否缺少某些內容,或者我是否寫錯了某些內容

[英]I would like to know if my code is missing something, or if I wrote something incorrectly

我為特定游戲的 window 編寫了代碼。 而且,由於某種原因,我的電路板無法顯示在 window 上,除非我使 window 可調整大小。 每次我運行我的程序時,我都必須稍微調整我的 window 的大小才能顯示我的電路板。 希望你能理解並希望你能幫助我。

代碼:

import javax.swing.JFrame;

public class Window 
{
   public static final int WIDTH = 307, HEIGHT = 637;
   private JFrame window;
   private Board board;

public Window()
{
    window = new JFrame("TETRIS");
    window.setSize(WIDTH, HEIGHT);
    window.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    window.setResizable(true);
    window.setLocationRelativeTo(null);
    window.setVisible(true);

    board = new Board();
    window.add(board);
    window.addKeyListener(board);   
}

public static void main(String[] args) 
{
    new Window();
}
}

我不確定是否需要在這里編寫板的代碼,所以我只寫了第一行。

import java.awt.Graphics;
import java.awt.event.ActionEvent;
import java.awt.event.KeyEvent;
import java.awt.event.KeyListener;
import java.awt.image.BufferedImage;
import java.io.IOException;
import javax.imageio.ImageIO;
import javax.swing.JPanel;
import javax.swing.Timer;
import java.awt.event.ActionListener;

public class Board extends JPanel implements KeyListener
{
    private static final long serialVersionUID = 1L;


    private BufferedImage blocks;
    private Shape[] shapes = new Shape[7];
    private Shape currentShape;
    private Timer timer;

    private final int blockSize = 30;
    private final int boardWidth = 10, boardHeight = 20;
    private int [][] board = new int [boardHeight][boardWidth];
    private final int FBS = 60;
    private final int delay = 1000/60;

    private boolean gameOver = false;

...

提前致謝!

Java 有一個線程負責視圖事件,所以你應該在那里更改視圖屬性:

 public static void main(String[] args) 
 {
    SwingUtilities.invokeLater(new Runnable() {
        public void run() {
             new Window();
        }
  }
}

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