小程序五彩圈代码，记录

模仿写了个小程序，还挺有意思的！

package fireworks;

import java.applet.Applet;
import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.Graphics;
import java.awt.event.MouseEvent;
import java.awt.event.MouseListener;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;


import javax.swing.JFrame;


public class Fireworks extends Applet implements MouseListener, Runnable {
/**
* 
*/
private static final long serialVersionUID = -4245483117200920184L;
int x, y;
int top, point;


public void init() {
x = 0;
y = 0;
setBackground(Color.black);
addMouseListener(this);
}


public void paint(Graphics g) {


}


public static void main(String[] args) {
Fireworks applet = new Fireworks();
JFrame frame = new JFrame("TextAreanew");
frame.addWindowListener(new WindowAdapter() {
public void windowClosing(WindowEvent e) {
System.exit(0);
}
});
frame.getContentPane().add(applet, BorderLayout.CENTER);
frame.setSize(800, 400);
applet.init();
applet.start();
frame.setVisible(true);
}


public void run() {
// 变量初始化
Graphics g1;
g1 = getGraphics();
int y_move, y_click, x_click;
int v;
x_click = x;
y_click = y;
y_move = 400;
v = 3;
int r, g, b;
while (y_move > y_click) {
g1.setColor(Color.black);
g1.fillOval(x_click, y_move, 5, 5);
y_move -= 5;
b = (((int) Math.round(Math.random() * 4321)) % 200) + 55;
r = (((int) Math.round(Math.random() * 4321)) % 200) + 55;
g = (((int) Math.round(Math.random() * 4321)) % 200) + 55;
g1.setColor(new Color(r, g, b));
g1.fillOval(x_click, y_move, 5, 5);
for (int j = 0; j <= 10; j++) {
if (r > 55) {
r -= 20;
}
if (g > 55) {
g -= 20;
}
if (b > 55) {
b -= 20;
}
g1.setColor(new Color(r, g, b));
g1.fillOval(x_click, y_move + j * 5, 5, 5);
}
g1.setColor(Color.black);
g1.fillOval(x_click, y_move + 5 * 10, 5, 5);
try {
Thread.currentThread();
Thread.sleep(v++);
} catch (InterruptedException e) {


}
for (int j = 12; j >= 0; j--) {
g1.setColor(Color.black);
g1.fillOval(x_click, y_move + (j * 5), 5, 5);
try {
Thread.currentThread();
Thread.sleep((v++) / 3);
} catch (InterruptedException e) {


}
}
y_move = 400;
g1.setColor(Color.black);
while (y_move > y_click) {
g1.fillOval(x_click - 2, y_move, 9, 5);
y_move -= 5;
}
v = 15;
for (int i = 0; i <= 25; i++) {
r = (((int) Math.round(Math.random() * 4321)) % 200) + 55;
g = (((int) Math.round(Math.random() * 4321)) % 200) + 55;
b = (((int) Math.round(Math.random() * 4321)) % 200) + 55;
g1.setColor(new Color(r, g, b));
g1.drawOval(x_click - 3 * i, y_click - 3 * i, 6 * i, 6 * i);
if (i < 23) {
g1.drawOval(x_click - 3 * (i + 1), y_click - 3 * (i + 1), 6 * (i + 1), 6 * (i + 1));
g1.drawOval(x_click - 3 * (i + 2), y_click - 3 * (i + 2), 6 * (i + 2), 6 * (i + 2));
}
try {
Thread.currentThread();
Thread.sleep(v++);
} catch (InterruptedException e) {
}
g1.setColor(Color.black);
g1.drawOval(x_click - 3 * i, y_click - 3 * i, 6 * i, 6 * i);


}
}


}


public void mouseClicked(MouseEvent e) {


}


public void mousePressed(MouseEvent e) {
x = e.getX();
y = e.getY();
Thread one;
one = new Thread(this);
one.start();
one = null;


}


public void mouseReleased(MouseEvent e) {


}


public void mouseEntered(MouseEvent e) {


}


public void mouseExited(MouseEvent e) {


}


}