当我运行程序时,一切都会显示出来,但是当我尝试移动键时,没有任何反应,如果有人知道这是为什么或如何修复它,我们将不胜感激。
我的主游戏窗口类
public class GameWindow extends JFrame {
private static final long serialVersionUID = 1L;
public int WIDTH = 160, HEIGHT = WIDTH / 12 * 9, SCALE = 3;
public boolean running = false;
BackGround bg = new BackGround();
Ranger R = new Ranger();
TimerClass T = new TimerClass();
public static void main(String[] args) {
new GameWindow();
}
public GameWindow() {
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
setSize(WIDTH * SCALE, HEIGHT * SCALE);
setResizable(false);
running = true;
add(bg);
bg.add(R);
bg.setFocusable(true);
R.setFocusable(true);
setFocusable(true);
setVisible(true);
bg.repaint();
run();
}
public void run() {
while (running) {
render();
}
}
public void render() {
bg.setLocation(Ranger.bgX, Ranger.bgY);
R.setLocation(Ranger.X, Ranger.Y);
R.setIcon(Ranger.rangerA[Ranger.I]);
R.repaint();
bg.repaint();
}
}
我的游侠(我想要移动的 Sprite )类别
public class Ranger extends JLabel implements KeyListener {
private static final long serialVersionUID = 1L;
public static int X, Y, dX, dY, bgX, bgY, I = 0, jumpTime = 100;
public static boolean moving = false, movingLeft = false, movingRight = false, onFloor = false, jumping = false, movingUp = false, movingDown = false;
public int totalImages = 6;
public BufferedImage ranger1, ranger2, ranger3, ranger4, ranger5, ranger6;
public static ImageIcon[] rangerA;
static TileMap TileMap = new TileMap();
public Ranger() {
try {
ranger1 = ImageIO.read(getClass().getResource("/Images/Sprites/ranger/Ranger0.png"));
ranger2 = ImageIO.read(getClass().getResource("/Images/Sprites/ranger/Ranger1.png"));
ranger3 = ImageIO.read(getClass().getResource("/Images/Sprites/ranger/Ranger2.png"));
ranger4 = ImageIO.read(getClass().getResource("/Images/Sprites/ranger/Ranger3.png"));
ranger5 = ImageIO.read(getClass().getResource("/Images/Sprites/ranger/Ranger4.png"));
ranger6 = ImageIO.read(getClass().getResource("/Images/Sprites/ranger/Ranger5.png"));
} catch (IOException e) {
e.printStackTrace();
}
array();
}
public void array() {
rangerA = new ImageIcon[6]; {
rangerA[0] = new ImageIcon(ranger1);
rangerA[1] = new ImageIcon(ranger2);
rangerA[2] = new ImageIcon(ranger3);
rangerA[3] = new ImageIcon(ranger4);
rangerA[4] = new ImageIcon(ranger5);
rangerA[5] = new ImageIcon(ranger6);
}
}
public static void move() {
X += dX;
Y += dY;
System.out.println("X =" + X + " Y= " + Y + " dX = " + dX + " dY= " + dY + " jumpTime= " + jumpTime + " ");
dX = 0;
dY = 0;
if (movingRight || movingLeft) {
moving = true;
}
}@Override
public void keyPressed(KeyEvent e) {
int keyCode = e.getKeyCode();
if (keyCode == KeyEvent.VK_RIGHT) {
movingRight = true;
}
if (keyCode == KeyEvent.VK_LEFT) {
movingLeft = true;
}
if (keyCode == KeyEvent.VK_UP) {
jumping = true;
movingUp = true;
}
if (keyCode == KeyEvent.VK_DOWN) {
movingDown = true;
}
if (keyCode != KeyEvent.VK_RIGHT) {
movingRight = false;
}
if (keyCode != KeyEvent.VK_LEFT) {
movingLeft = false;
}
if (keyCode != KeyEvent.VK_UP) {
jumping = false;
movingUp = false;
}
if (keyCode != KeyEvent.VK_DOWN) {
movingDown = false;
}
if (keyCode == KeyEvent.VK_RIGHT) dX += 1;
if (movingRight) bgX -= 1;
if (keyCode == KeyEvent.VK_LEFT) dX += -1;
if (movingLeft) bgX += 1;
if (keyCode == KeyEvent.VK_DOWN) dY += 1;
if (movingUp) bgY += 1;
if (keyCode == KeyEvent.VK_UP) dY += -1;
if (movingDown) bgY += -1;
}@Override
public void keyReleased(KeyEvent e) {}
public void keyTyped(KeyEvent arg0) {}
}
如果需要的话,我将提供所有类(class),并感谢您的任何帮助,即使是关于编程约定的帮助。
最佳答案
不确定这是否有效,但尝试添加 addKeyListener(this);
到游戏窗口()
并让它实现 KeyListener。然后将所有 KeyListener 从 Ranger 移至 GameWindow 类。
此外,请确保 key 代码正确。
您可以通过添加 System.out.println(e.getKeyCode);
System.out.println(KeyEvent.VK_Whatever);
来做到这一点在 KeyPressed 下,然后按下该键,并确保它们匹配。
关于java - 我的 Keylistener 不起作用,我想知道原因,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/33835495/