JAVA流星雨

来源：互联网发布：迅雷9优化版编辑：程序博客网时间：2024/04/28 07:02
import java.awt.Color;import java.awt.Font;import java.awt.Graphics;import java.awt.Point;import java.awt.Toolkit;import java.awt.event.KeyEvent;import java.awt.event.KeyListener;import java.awt.image.BufferedImage;import java.security.Key;import java.util.Random;import javax.swing.ImageIcon;import javax.swing.JFrame;import javax.swing.JPanel;public class Rain4 {    public static void main(String[] args) {        JFrame frame = new JFrame();          //实例化窗体对象frame        Pool pool = new Pool();               //容器        frame.setUndecorated(true);           //启用装饰        frame.add(pool);                      //添加容器到对象         frame.setVisible(true);               //显示窗口          frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);//关闭窗口时退出程序        frame.setSize(1920, 1080);            //宽,高        frame.setResizable(false);            //不可改变窗口大小        frame.setBackground(Color.black);     //背景黑色        frame.setLocationRelativeTo(null);    //居中        frame.setOpacity(1.0f);               // 设置窗体透明度        frame.setCursor(Toolkit.getDefaultToolkit().createCustomCursor(new ImageIcon("/images/back.png").getImage(),     //鼠标样式                new Point(10, 20), "stick"));        frame.addKeyListener(new KeyListener() {//键盘监听            public void keyPressed(KeyEvent e) {//键盘事件                if (e.getKeyCode() == KeyEvent.VK_ESCAPE || e.getKeyCode() == KeyEvent.VK_SPACE) {                            //ESC或空格见退出                      System.exit(0);                }            }            public void keyTyped(KeyEvent e) {            }            public void keyReleased(KeyEvent e) {            }        });        pool.action();    }}@SuppressWarnings("serial")class Pool extends JPanel {    Random r = new Random();    Rain[] str;    public Pool() {        str = new Rain[200];        for (int i = 0; i < str.length; i++) {            str[i] = new Rain();        }    }    public void paint(Graphics g) {        ImageIcon back = new ImageIcon("images/back.jpg");// 背景图        g.drawImage(back.getImage(), 0, 0, getWidth(), getHeight(), null);        // BufferedImage image = new BufferedImage(1920, 1080,        // BufferedImage.TYPE_INT_RGB);        // g.drawImage(image, 0, 0, null);        for (int i = 0; i < str.length; i++) {            Font f = new Font("微软雅黑", Font.PLAIN, 2);            g.setFont(f);            g.setColor(str[i].color);            g.drawLine(str[i].x, str[i].y, str[i].x, str[i].y - r.nextInt(50));        }    }    public void action() {        for (int i = 0; i < str.length; i++) {            str[i].start();        }        while (true) {            repaint();            try {                Thread.sleep(1);            } catch (InterruptedException e) {                e.printStackTrace();            }        }    }}class Rain extends Thread {    Random r = new Random();    int x, y, e, g, b, step;    Color color;    public Rain() {        y = r.nextInt(1000);        x = r.nextInt(1920);        step =100;// 防止移动距离为零    }    public void move() {    step-=1;        if(step<2){            step +=200;       }        if (r.nextInt(5) <2) {              y += step;               if (y >= 1080) {                   color = new Color(r.nextInt(255), r.nextInt(255), r.nextInt(255));                   y = 0;                   x = r.nextInt(1920);            }        } else {                if (x > 1920) {                color = new Color(r.nextInt(255), r.nextInt(255), r.nextInt(255));                x = 0;            }        }    }    public void run() {        while (true) {            move();            try {                Thread.sleep(10);            } catch (InterruptedException e) {                e.printStackTrace();            }        }    }}
这里写图片描述
阅读全文
0 0