烟花爆炸

最新推荐文章于 2022-12-20 09:03:54 发布

原创最新推荐文章于 2022-12-20 09:03:54 发布 · 415 阅读

CC 4.0 BY-SA版权

本文介绍了一个使用Java Applet创建烟花效果的示例程序。该程序通过监听鼠标点击事件来触发烟花动画，并利用线程控制烟花上升和爆炸的过程，实现了简单的烟花视觉效果。

package zuoye;
import java.awt.*;
import java.applet.*;
import java.awt.event.*;

import javax.swing.*;

public class Fireworks extends Applet implements MouseListener,Runnable
{

private static final long serialVersionUID = -7006042467213323331L;
int x,y;
int top,point;

public void init()
{
x = 0;
y = 0;
//设置背景色为黑色
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;
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.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 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)
{
}

public void mouseClicked(MouseEvent e)
{
}

}