java画心_Java画三维爱心

import java.applet.*;

import java.awt.*;

public class Heart extends Applet

{

int AppletWidth,AppletHeight;

Image OffScreen;

Graphics drawOffScreen;

public void init ()

{

setBackground(Color.black);

AppletWidth=700;

AppletHeight=700;

OffScreen =createImage(AppletWidth,AppletHeight);

drawOffScreen =OffScreen.getGraphics();

}

public void paint (Graphics g)

{

drawOffScreen.clearRect(0, 0, AppletWidth, AppletHeight);

drawOffScreen.setColor(Color.green);

int i,j;

double x,y,r;

for(i=0;i<180;i++)

{

for(j=0;j<180;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)*1;

y=(-r*Math.sin(Math.PI/45*j)+AppletHeight/4)*1.01;

drawOffScreen.fillOval((int)x,(int)y, 2, 2);

try

{

//Thread.sleep(1);

}catch(Exception e){}

}

}

g.drawImage(OffScreen, 0, 0, this);

}

}