Java Swing - Entrada de chave com JPanel adicionada ao JOptionpane
Quando executo o código, a classe Example1 adicionada ao JOptionPane (no Frame) deve obter keyInput e alterar o valor y da instância do player (no exemplo1), mas não funciona. Além disso, como eu seria capaz de girar o navio em seu eixo e depois mover na direção em que ele estava voltado? Atualmente, ele se move na direção em que é girado, mas gira no que parece ser as coordenadas 0,0.
Quadro, Armação
import javax.swing.*;
import java.awt.*;
/**
* Created by griffin on 12/7/2015.
*/
public class Frame extends JFrame {
public Frame() {
initUI();
}
private void initUI() {
JTabbedPane jtp = new JTabbedPane();
Example1 e1 = new Example1();
Example2 e2 = new Example2();
getContentPane().add(jtp);
jtp.add(e1);
jtp.add(e2);
jtp.addTab("Example 1", e1);
jtp.addTab("Example 2", e2);
setResizable(false);
pack();
setTitle("NLTP");
setLocationRelativeTo(null);
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
}
public static void main(String[] args) {
EventQueue.invokeLater(new Runnable() {
@Override
public void run() {
JFrame frame = new Frame();
frame.setVisible(true);
}
});
}
}
Exemplo 1
import javax.swing.*;
import java.awt.*;
import java.awt.event.KeyAdapter;
import java.awt.event.KeyEvent;
import java.awt.event.KeyListener;
import java.awt.geom.AffineTransform;
/**
* Created by griffin on 12/7/2015.
*/
public class Example1 extends JPanel implements Runnable {
private final int B_WIDTH = 640;
private final int B_HEIGHT = 480;
private int DELAY = 25;
private Thread thread;
Ship player = new Ship(320, 240);
public Example1() {
initScreen();
}
private void initScreen() {
JButton explanation = new JButton("Explanation");
explanation.setBounds(0, 0, 150, 30);
this.setLayout(null);
add(explanation);
addKeyListener(new keyInput());
setFocusable(true);
setBackground(Color.BLACK);
setPreferredSize(new Dimension(B_WIDTH, B_HEIGHT));
setDoubleBuffered(true);
}
@Override
public void addNotify() {
super.addNotify();
thread = new Thread(this);
thread.start();
}
public void paintComponent(Graphics g) {
super.paintComponent(g);
draw(g);
}
public void draw(Graphics g) {
super.paintComponent(g);
Graphics2D g2d = (Graphics2D) g;
AffineTransform old = g2d.getTransform();
g2d.rotate(Math.toRadians(player.angle));
g2d.drawImage(player.ship, player.x, player.y, null);
g2d.setTransform(old);
Toolkit.getDefaultToolkit().sync();
}
public void cycle() {
player.y += player.vY;
}
@Override
public void run() {
long beforeTime, timeDiff, sleep;
beforeTime = System.currentTimeMillis();
while (true) {
cycle();
repaint();
timeDiff = System.currentTimeMillis() - beforeTime;
sleep = DELAY - timeDiff;
if (sleep < 0) {
sleep = 2;
}
try {
Thread.sleep(sleep);
} catch (InterruptedException e) {
System.out.println("Interrupted: " + e.getMessage());
}
beforeTime = System.currentTimeMillis();
}
}
public class keyInput extends KeyAdapter {
@Override
public void keyReleased(KeyEvent e) {
int key = e.getKeyCode();
if(key == KeyEvent.VK_W) {
}
}
@Override
public void keyTyped(KeyEvent e) {
}
@Override
public void keyPressed(KeyEvent e) {
int key = e.getKeyCode();
if (key == KeyEvent.VK_W) {
player.vY -= 1;
}
if(key == KeyEvent.VK_A) {
player.angle++;
}
if(key == KeyEvent.VK_D) {
player.angle--;
}
}
}
}