代碼: public class Panel extends JPanel implements KeyListener{
//variable for coordinates:
private final int a1 = 155;
private final int a2 = (790-a1);
private final int a5 = 47;
public class Maze extends JPanel
{
int x = 0;
int y = 0;
int previousX = x;
int previousY = y;
public Maze()
{
setBackground(Color.WHITE);
addKeyListener(
我的KeyListener沒有註冊任何鍵被按下,我能做些什麼來解決這個問題?我曾嘗試使用鍵碼而不是VK_DOWN格式,但這沒有什麼不同。我沒有使用一個JPanel .. import javax.swing.*;
import java.awt.event.*;
public class SnakeFrame extends JFrame
{
final int
我想要一個線程來監聽密鑰 - 這是與創建JPanel不同的類。以下是JPanel所在的班級。 public class Game extends JPanel {
public static final int WIDTH = 600,
HEIGHT = 650;
private static boolean running;
private BufferedIma