當我運行該程序時,一切都顯示出來,但是當我嘗試移動鍵沒有任何反應,如果有人知道這是爲什麼或如何解決它,它將不勝感激。我的Keylistener dosn't工作,我想知道爲什麼
我的主要遊戲窗口類
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();
}
}
我的遊俠(我想移動精靈)類
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) {}
}
我公司將提供所有的課,如果他們requred和感謝任何幫助,即使它是在編程約定。
您沒有添加keylistener(類似於'Ranger'類中的'this.addKeyListener(this);'),所以這就是爲什麼它不起作用。但我會建議1)使用[Key Bindings](https://docs.oracle.com/javase/tutorial/uiswing/misc/keybinding.html),2)將Key綁定(或KeyListener)添加到面板,而不是標籤。 –
你瘋狂的'while-loop'不會幫助 – MadProgrammer
謝謝你的幫助,我不能承認它是如此簡單的事情。 – jack