1. [代码][Java]代码
package com.yk.tools.game;
import java.applet.AudioClip;
import java.awt.Dimension;
import java.awt.Graphics;
import java.awt.Image;
import java.awt.Toolkit;
import java.io.IOException;
import java.net.URL;
import java.util.Iterator;
import java.util.Random;
import java.util.Vector;
import java.util.concurrent.locks.Lock;
import java.util.concurrent.locks.ReentrantLock;
import javax.imageio.ImageIO;
import javax.swing.JApplet;
import javax.swing.JPanel;
import javax.swing.JWindow;
import com.sun.awt.AWTUtilities;
/**
* @author lifetime
*
*/
public class MerryChristmas extends JWindow implements Runnable {
private static final int[] WindType = new int[] { -1, 1 };
private Image[] xueHuaImages;
private Dimension screenSize;
private Vector<XueHua> list;
private Lock lock;
public MerryChristmas() {
list = new Vector<XueHua>();
lock = new ReentrantLock();
initImages();
setAlwaysOnTop(true);
JPanel rootPanel = new JPanel();
setContentPane(rootPanel);
screenSize = Toolkit.getDefaultToolkit().getScreenSize();
setSize(screenSize);
AWTUtilities.setWindowOpaque(this, false);
URL audioPath = getClass().getResource("music.wav");
AudioClip audio = JApplet.newAudioClip(audioPath);
audio.loop();
this.setVisible(true);
Thread t = new Thread(new Runnable() {
public void run() {
while (true) {
try {
Thread.sleep(300);
create();
repaint();
} catch (InterruptedException e) {
}
}
}
});
t.start();
}
public void paint(Graphics g) {
super.paint(g);
if (lock.tryLock()) {
try {
for (Iterator<XueHua> iterator = list.iterator(); iterator.hasNext();) {
XueHua xh = iterator.next();
g.drawImage(xh.img, xh.x, xh.y, null);
}
} finally {
lock.unlock();
}
}
}
void initImages() {
xueHuaImages = new Image[4];
try {
for (int i = 1; i <= 4; i++) {
xueHuaImages[i - 1] = ImageIO.read(getClass().getResourceAsStream(i + ".png"));
}http://www.enterdesk.com/special/shouhui/手绘图片?
} catch (IOException e) {
e.printStackTrace();
}
}
protected void create() {
XueHua e = randomNext(0);
if (lock.tryLock()) {
try {
list.add(e);
} finally {
lock.unlock();
}
}
}
XueHua randomNext(int y) {
Random random = new Random();
int x = random.nextInt(screenSize.width);
XueHua hua = new XueHua();
hua.x = x;
hua.y = y;
hua.wind = WindType[random.nextInt(2)];
hua.windSpeed = hua.wind * 3;
hua.img = xueHuaImages[random.nextInt(xueHuaImages.length)];
hua.x += hua.img.getWidth(null);
if (hua.x >= screenSize.width) {
hua.x = screenSize.width - hua.img.getWidth(null);
}
return hua;
}
public void run() {
while (true) {
try {
Thread.sleep(50);
down();
repaint();
} catch (InterruptedException e) {
}
}
}
protected void down() {
if (lock.tryLock()) {
try {
for (Iterator<XueHua> it = list.iterator(); it.hasNext();) {
XueHua xh = it.next();
if (xh.y > screenSize.height) {
it.remove();
continue;
}
if (xh.x < 0 || xh.x > (screenSize.width - xh.img.getWidth(null))) {
xh.wind *= -1;
xh.windSpeed *= -1;
}
xh.x += xh.windSpeed;
xh.y += 3;
}
} finally {
lock.unlock();
}
}
}
class XueHua {
public int x;
public int y;
public int wind;
public int windSpeed;
public Image img;
}
public static void main(String[] args) {
Thread start = new Thread(new MerryChristmas());
start.start();
}
}
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