我正在創建一個遊戲,背景和主角不會加載。此處,我聲明變量:圖像不顯示在畫布上(Java)
private BufferedImage background;
private BufferedImage player;
這裏就是我得到的圖像:
try {
background = ImageIO.read(this.getClass().getResourceAsStream("/res/Background.jpg"));
player = ImageIO.read(this.getClass().getResourceAsStream("/res/Player.jpg"));
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
這裏是我的渲染方法:
public void render() {
BufferStrategy bs = this.getBufferStrategy();
if (bs == null) {
createBufferStrategy(3);
return;
}
Graphics g = bs.getDrawGraphics();
g.drawImage(background, 0, 0, this);
g.drawImage(player, 0, 0, this);
g.dispose();
bs.show();
}
這裏是我的全班同學:
public class Main extends Canvas implements Runnable, KeyListener {
Thread t;
boolean running = false;
private BufferedImage background;
private BufferedImage player;
public Main() {
setFocusable(true);
requestFocus();
addKeyListener(this);
try {
background = ImageIO.read(this.getClass().getResourceAsStream("/res/Background.jpg"));
player = ImageIO.read(this.getClass().getResourceAsStream("/res/Player.jpg"));
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
@Override
public void run() {
while (running) {
tick();
render();
}
stop();
}
synchronized void start() {
if (running) return;
running = true;
Thread t = new Thread();
t.start();
}
synchronized void stop() {
try {
t.join();
} catch (InterruptedException e) {
e.printStackTrace();
}
System.exit(0);
}
public void render() {
BufferStrategy bs = this.getBufferStrategy();
if (bs == null) {
createBufferStrategy(3);
return;
}
Graphics g = bs.getDrawGraphics();
g.drawImage(background, 0, 0, this);
g.drawImage(player, 0, 0, this);
g.dispose();
bs.show();
}
public void tick() {
}
@Override
public void keyPressed(KeyEvent e) {
int code = e.getKeyCode();
if (code == KeyEvent.VK_ESCAPE) {
System.exit(0);
}
}
@Override
public void keyReleased(KeyEvent e) {
// TODO Auto-generated method stub
}
@Override
public void keyTyped(KeyEvent e) {
// TODO Auto-generated method stub
}
public static void main(String[] args) {
JFrame f = new JFrame("Mission Sahara");
Main m = new Main();
f.add(m);
f.setExtendedState(JFrame.MAXIMIZED_BOTH);
f.setUndecorated(true);
f.setResizable(false);
f.setVisible(true);
f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
m.start();
}
}
我的代碼有什麼問題?
考慮提供一個[可運行示例](https://stackoverflow.com/help/mcve)這表明你的問題。這不是代碼轉儲,而是您正在做的事情的一個例子,它突出了您遇到的問題。這將導致更少的困惑和更好的反應 – MadProgrammer