Article View: cn.bbs.comp.lang.java
Article #21541������һ���ѿ������ߣ���ô��ʾһ����棡
From: ���׳�
Date: Wed, 26 Nov 2003 13:55
Date: Wed, 26 Nov 2003 13:55
51 lines
2308 bytes
2308 bytes
import java.awt.*;
import java.awt.event.*;
import java.applet.*;
public class Heart extends Applet {
int AppletWidth,AppletHeight;
Image offScreen;
Graphics drawOffScreen;
//Initialize the applet
public void init() {
setBackground(Color.black);
AppletWidth=getSize().width;
AppletWidth=getSize().height;
offScreen=createImage(AppletWidth,AppletHeight);
drawOffScreen=offScreen.getGraphics();
}
public void paint(Graphics g){
drawOffScreen.clearRect(0,0,AppletWidth,AppletHeight);
drawOffScreen.setColor(Color.white);
int i,j;
double x,y,r;
for(i=0;i<=90;i++)
for(j=0;j<=90;j++){
r=Math.PI/45*i*(1-Math.sin(Math.PI/45*j))*18;
x=r*Math.cos(Math.PI/45*j)*Math.sin(Math.PI/45*i)+AppletWidth/2;
y=-r*Math.sin(Math.PI/45*j)+AppletHeight/4;
drawOffScreen.fillOval((int)x,(int)y,2,2);
}
g.drawImage(offScreen,0,0,this);
}
}
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=GBK">
<title>
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</title>
</head>
<body>
<applet code= "Heart.class" width= "400" height= "350">
</applet>
</body>
</html>
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X-Google-Language: ENGLISH,GB X-Google-Thread: f6cb0,4c4710445dcc0f6b,start X-Google-Attributes: gidf6cb0,public X-Google-ArrivalTime: 2003-11-26 05:56:04 PST Path: arc1-ca.pugleaf.net!archiver1.google.com!news2.google.com!news.maxwell.syr.edu!newshosting.com!news-xfer2.atl.newshosting.com!167.206.3.103.MISMATCH!news3.optonline.net!maily.cic.tsinghua.edu.cn!news.ccie.net.cn!SJTU From: huabow.bbs@bbs.sjtu.edu.cn (���׳�) Newsgroups: cn.bbs.comp.lang.java Subject: ������һ���ѿ������ߣ���ô��ʾһ����棡 Date: 26 Nov 2003 13:55:38 GMT Organization: ��ˮ˼Դ Message-ID: <49PgZ6$AeM@bbs.sjtu.edu.cn> Mime-Version: 1.0 Content-Type: text/plain; charset="gb2312" Content-Transfer-Encoding: 8bit X-Filename: Java/M.1069854870.A