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我目前正在编写一款游戏,并且我试图让它在哪里,如果您点击首页上的第一个按钮,它会显示5秒的过渡屏幕,然后显示游戏。这里是我的代码:Java游戏 - 直到Thread.sleep之后才绘画
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.RenderingHints;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.KeyEvent;
import java.awt.event.KeyListener;
import java.awt.event.MouseEvent;
import java.awt.event.MouseListener;
import java.awt.image.BufferedImage;
import java.io.File;
import javax.imageio.ImageIO;
import javax.swing.JFrame;
import javax.swing.JPanel;
public class ForgottenMain extends JPanel implements KeyListener,MouseListener{
/**
*
*/
private static final int TIMER_DELAY = 35;
private static final long serialVersionUID = -4926251405849574401L;
public static BufferedImage attic,flashlight,player,killer,frontpage,transition;
public static boolean onFrontPage,up,down,left,right,inAttic,onTransition;
public static int px,py,kx,ky;
public static Thread th1,th2;
public static JFrame frame = new JFrame("Forgotten");
public static void main(String[] args){
onFrontPage = true;
px = 600;
py = 400;
ForgottenMain fm = new ForgottenMain();
frame.add(fm);
frame.setSize(1200,800);
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.setLocationRelativeTo(null);
frame.setResizable(false);
frame.setVisible(true);
frame.add(new ForgottenMain());
fm.repaint();
}
public ForgottenMain(){
init();
}
public void init(){
setSize(1200,800);
setVisible(true);
frame.addKeyListener(this);
frame.addMouseListener(this);
try{
player = ImageIO.read(new File("char.png"));
flashlight = ImageIO.read(new File("flashlightimage.png"));
attic = ImageIO.read(new File("attic.png"));
killer = ImageIO.read(new File("killer.png"));
frontpage = ImageIO.read(new File("frontpageoutline.png"));
transition = ImageIO.read(new File("transitionoutline.png"));
} catch (Exception e){
e.printStackTrace();
}
// Gameloop
new javax.swing.Timer(TIMER_DELAY, new ActionListener() {
public void actionPerformed(ActionEvent e) {
gameLoop();
}
}).start();
}
@Override
public void paintComponent(Graphics g){
super.paintComponent(g);
Graphics2D g2 = (Graphics2D) g;
int fx = px - 1033;
int fy = py - 635;
kx = 500;
ky = 500;
// Removes the flickering of the images
g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
// Resets the screen to make sure that it only shows the character once
g2.clearRect(0, 0, 1200, 800);
// Draws the background attic
if(inAttic == true){
System.out.println("Drawing attic");
g2.drawImage(attic,0,0,this);
}
if(onFrontPage == true){
g2.drawImage(frontpage, 0, 0, this);
}
// Draws the player
if(onFrontPage == false && onTransition == false){
g2.drawImage(player, px, py, this);
// Draws the Serial Killer
g2.drawImage(killer, kx, ky, this);
// Draws the flashlight
g2.drawImage(flashlight, fx, fy, this);
}
if(onTransition == true){
g2.drawImage(transition, 0, 0, this);
System.out.println("Drawing Transition");
try {
System.out.println("Sleeping for 5 Seconds");
Thread.sleep(5000);
} catch (InterruptedException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
System.out.println("Done sleeping.");
onTransition = false;
inAttic = true;
}
System.out.println(px + " " + py);
}
public void gameLoop(){
}
@Override
public void mouseClicked(MouseEvent arg0) {
System.out.println("MouseLocation: " + arg0.getX() + ", " + arg0.getY());
}
@Override
public void mouseEntered(MouseEvent arg0) {
}
@Override
public void mouseExited(MouseEvent arg0) {
}
@Override
public void mousePressed(MouseEvent e) {
if(e.getX() > 499 && e.getY() > 343 && e.getX() < 748 && e.getY() < 391){
onFrontPage = false;
onTransition = true;
repaint();
}
}
@Override
public void mouseReleased(MouseEvent arg0) {
}
我的问题是,在paint方法中,如果onTransition等于true if语句测试,它应该绘制图像过渡,等待5秒钟,然后绘制游戏。
然而,现在它等待5秒钟,然后快速绘制过渡屏幕,然后游戏。出于某种原因,他们失灵了。
我该如何解决这个问题?我已经尝试了等待5秒钟的替代方法,例如使用currentTimeMillis();但是具有相同的结果。
使用SwingTimer(与编程重绘()来ForgottenMain)而不是Thread.sleep(5000); – mKorbel
你可以联系我一些这方面的例子吗?在之前的一个问题中,我要求一种制作游戏循环的方式,并提出了计时器,所以我使用了它,但我仍然不完全理解它。 @mKorbel – joey942
@ joey942请参阅http://stackoverflow.com/questions/8088002/how-to-use-a-swing-timer-to-start-stop-animation – Austin