Java 系统在运行此代码时冻结
我正在youtube上关注一个Java游戏编程系列,在我们为程序添加一些代码之前,一切都进展顺利。该程序的代码为:Java 系统在运行此代码时冻结,java,linux,graphics,Java,Linux,Graphics,我正在youtube上关注一个Java游戏编程系列,在我们为程序添加一些代码之前,一切都进展顺利。该程序的代码为: package com.fagyapong.rain; import javax.swing.*; import java.awt.*; import java.awt.image.*; public class Game extends Canvas implements Runnable{ private static final long serialVersio
package com.fagyapong.rain;
import javax.swing.*;
import java.awt.*;
import java.awt.image.*;
public class Game extends Canvas implements Runnable{
private static final long serialVersionUID = -247215114548172830L;
public static int width = 300;
public static int height = width / 16 * 9;
public static int scale = 3;
private JFrame frame;
public Thread thread;
private boolean running = false;
public Game() {
// Setup Game window
Dimension size = new Dimension(width * scale, height * scale);
setPreferredSize(size);
frame = new JFrame();
}
public synchronized void start() {
running = true;
thread = new Thread(this, "Display");
thread.start();
}
public synchronized void stop() {
running = false;
try {
thread.join();
}
catch (InterruptedException e) {
e.printStackTrace();
}
}
public void run() {
while (running) {
update();
render();
}
}
public void update() {
}
public void render() {
// Get the canvas' BufferStragy object
BufferStrategy bs = getBufferStrategy();
if (bs == null) {
createBufferStrategy(3);
return;
}
Graphics g = bs.getDrawGraphics();
g.setColor(Color.GRAY);
g.fillRect(0, 0, getWidth(), getHeight());
g.dispose();
bs.show();
}
public static void main(String[] args) {
Game game = new Game();
game.frame.setResizable(false);
game.frame.setTitle("Rain");
game.frame.add(game);
game.frame.pack();
game.frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
game.frame.setLocationRelativeTo(null);
game.frame.setVisible(true);
game.start();
}
}
下面是导致系统冻结的代码(已在上述代码中注释掉)
好吧,我稍微解决了这个问题。我也有同样的问题。对我来说,问题是三重缓冲。相反,请将代码设置为:
createBufferStrategy(2);
这样,它只是双缓冲。我没有一台很棒的电脑,所以我不得不把它设为1而不是2。在这一点上,我猜它根本不是缓冲。这就是我让它工作的方式。它不会为我冻结系统。到底发生了什么?程序运行并显示一个窗口,但系统随后变得无响应它是否达到了内存使用峰值?我认为这就是它所做的,因为系统变得完全无响应为什么不使用
SwingUtilities.invokeLater()
?
createBufferStrategy(2);