1
我剛剛開始學習如何使用keyBindings,並且我無法找到我做錯了什麼,因爲當我按下我的鍵盤上的向上箭頭時,它什麼也不做。我的KeyBindings不起作用,我想知道爲什麼
我的主要遊戲窗口
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();
}
}
和我的遊俠類
public class Ranger extends JLabel {
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 {
// not moving
ranger1 = ImageIO.read(getClass().getResource(
"/Images/Sprites/ranger/Ranger0.png"));
ranger2 = ImageIO.read(getClass().getResource(
"/Images/Sprites/ranger/Ranger1.png"));
// moving Left
ranger3 = ImageIO.read(getClass().getResource(
"/Images/Sprites/ranger/Ranger2.png"));
ranger4 = ImageIO.read(getClass().getResource(
"/Images/Sprites/ranger/Ranger3.png"));
// moving Right
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 void move() {
AbstractAction moveUp = new AbstractAction() {
private static final long serialVersionUID = 1L;
public void actionPerformed(ActionEvent e) {
System.out.println("Move up");
}
};
this.getInputMap(WHEN_IN_FOCUSED_WINDOW).put(KeyStroke.getKeyStroke("W"), "moveUp");
this.getActionMap().put("moveUp", moveUp);
X += dX;
Y += dY;
dX = 0;
dY = 0;
if (movingRight || movingLeft) {
moving = true;
}
}
}
我也試圖輸出,它會在控制檯上移,這樣我就可以瘦怎麼樣做出新的KeyBindings,但我不知道爲什麼它不起作用。任何解決方案/技巧將不勝感激。
P.S.我是Java新手,對於簡單的錯誤感到抱歉,我也意識到主遊戲窗口類中的循環。
編輯:移動()每隔幾毫秒調用一個單獨的計時器類。
你永遠不會調用move()'...這就是鍵綁定將被添加的地方。但是你不應該在這種方法中加入它們(如果'move()'旨在實際移動遊俠) –
即。在您的類的構造函數中添加綁定。 – camickr
好吧我現在對jave進行了排序我認爲這是因爲我正在創建越來越多的keybindings,因爲move()在我的計時器類中每秒被調用一次。所以感謝camikr告訴我將綁定移動到構造器上。 – jack