所以在我正在做的游戏中,我有一个大理石跟着鼠标,但是当它做到这一点时,屏幕闪烁。如何在java中为游戏增加两倍缓冲区?
背景包括两个jpegs和9个矩形。我将如何去双缓冲这个?这是主窗口的代码。
/**
* Write a description of class Window here.
*
* @author (your name)
* @version (a version number or a date)
*/
public class Window extends JApplet implements MouseMotionListener
{
private BufferedImage image;
private BufferedImage side;
private int mouseX;
private int mouseY;
public Window(){
try {
image = ImageIO.read(new File("Backgrounds/violet.jpg"));
side = ImageIO.read(new File("Backgrounds/side margin.jpg"));
} catch (IOException ex) { }
}
private void delay(int delay)
{
try {
Thread.sleep(delay);
} catch (InterruptedException e) {}
}
public void init()
{
this.addMouseMotionListener(this);
}
public void paint (Graphics page)
{
page.drawImage(image, 0, 0, null);
page.setColor(Color.blue);
page.fillRect(0, 0, 160, 160);
page.setColor(Color.black);
page.fillRect(15, 15, 130, 130);
page.setColor(Color.green);
page.fillRect(340, 0, 160, 160);
page.setColor(Color.black);
page.fillRect(355, 15, 130, 130);
page.setColor(Color.yellow);
page.fillRect(0, 340, 160, 160);
page.setColor(Color.black);
page.fillRect(15, 355, 130, 130);
page.setColor(Color.red);
page.fillRect(340, 340, 160, 160);
page.setColor(Color.black);
page.fillRect(355, 355, 130, 130);
page.drawImage(side, 500, 0, null);
page.drawString(Score.getScore(), 560, 110);
//conveyors
page.setColor(Color.gray);
page.fillRect(235, 0, 30, 160);
//marble
delay(100);
page.fillOval(mouseX, mouseY , 40, 40);
}
public void mouseMoved(MouseEvent e)
{
mouseX = e.getX();
mouseY = e.getY();
repaint();
}
public void mouseDragged(MouseEvent e)
{
}
}
非常感谢:) –
很好的答案,但你并不需要这样做的摇摆已经提供了双缓冲。看到我的答案的细节.... – mikera
@dfb'油漆(offgc)后';'图像离线界面如何更新?我没有看到屏幕上的变量在任何地方变化。 –