How to embed an applet in a JPanel

Question

Hi All,
I am in need of serious help as I have not been able to figure this out for days!!!
All I want to do is to display a runnable applet in a JPanel.
The applet is shown below. Its a ball bouncing around. All I need to do is to embed this in a Jpanel with buttons which will control the movement of the ball in the applet which should be on a Panel. For the life of me I havent figured it out!
Can someone help a brother out!
import java.awt.*;
import javax.swing.*;
import java.applet.Applet;
import java.awt.*;
import javax.swing.JOptionPane;
import javax.swing.*;
import java.awt.event.*;
//Animation Class
class Animation extends Thread {
private Applet appl;
private Color color;
private int increment, vincrement;
private int which;
private int position = 0;
private int vposition = 0;
public int xCenter, yCenter;
private int pause;
private int width, height, speed;
private double distance;
private Dimension[] rotations;
private int currentRotation ;
Animation(Applet a, Color c, int p, int wid, int hei ,int theSpeed, int Start) {
color = c;
appl = a;
pause = p;
width = wid;
height = hei;
speed = theSpeed;
rotations = new Dimension[8];
rotations[0] = new Dimension(1,0);
rotations[1] = new Dimension(1,-1);
rotations[2] = new Dimension(0,-1);
rotations[3] = new Dimension(-1 , -1);
rotations[4] = new Dimension(-1,0);
rotations[5] = new Dimension(-1,1);
rotations[6] = new Dimension(1,0);
rotations[7] = new Dimension(1,1);
currentRotation = Start;
increment = (int)rotations[Start].getWidth();
vincrement = (int)rotations[Start].getHeight();
setSpeed();
public void setSpeed()
{  increment = increment*speed;
vincrement = vincrement * speed;
public void changeRotation(int run, int rise){
increment = run;
vincrement = rise;
setSpeed();
public void rotate(){
currentRotation++;
if (currentRotation == 8)
currentRotation = 0;
changeRotation((int)rotations[currentRotation].getWidth(), (int)rotations[currentRotation].getHeight() );
public void bounce(){
increment = -increment;
public void vBounce(){
vincrement = -vincrement;
public void setColor(Color n)
color = n;
public void run() {
while (true) {
try {
Thread.sleep(pause);
} catch (InterruptedException e) {}
position += increment;
if (position > width - 30 || position <= 0)
{ increment = -increment;
vposition += vincrement;
if (vposition > height - 30 || vposition <= 0)
{ vincrement= -vincrement;
appl.repaint();
public void draw(Graphics g) {
g.setColor(color);
g.fillOval(0 + position, 0 + vposition,30, 30);
setCentre();
public void setCentre(){
xCenter = position - 30/2;
yCenter = vposition -30/2;
public boolean didCollide(Animation x){
distance = Math.sqrt( Math.pow( (xCenter- x.xCenter) ,2) + Math.pow((yCenter-x.yCenter) , 2) );
if (distance <= 31){
return true;
}else return false;
}

Answer 1

I took the liberty to make few changes:
the applet:
import java.awt.*;
public class AnimA extends java.applet.Applet
     Animation anim;
     int p   = 70;
     int wid = 400;
     int hei = 300;
    int theSpeed = 2;
     int start    = 7;
public void init()
     setLayout(new BorderLayout());
     anim = new Animation(Color.green,p,wid,hei,theSpeed,start);     
     add("Center",anim);
     Panel panel = new Panel();
     panel.setBackground(Color.lightGray);
     panel.add(new Button("Button 1"));
     panel.add(new Button("Button 1"));
     add("South",panel);
     Thread th = new Thread(anim);
     th.start();
the animation
import java.awt.*;
import java.awt.event.*;
//Animation Class
class Animation extends Panel implements Runnable
//     private Applet      appl;
     private Color       color;
     private int         increment, vincrement;
     private int         which;
     private int         position = 0;
     private int         vposition = 0;
     public  int         xCenter, yCenter;
     private int         pause;
     private int         width, height, speed;
     private double      distance;
     private Dimension[] rotations;
     private int         currentRotation ;
Animation(Color c, int p, int wid, int hei ,int theSpeed, int Start)
     color  = c;
//     appl   = a;
     pause  = p;
     width  = wid;
     height = hei;
     speed  = theSpeed;
     rotations = new Dimension[8];
     rotations[0] = new Dimension(1,0);
     rotations[1] = new Dimension(1,-1);
     rotations[2] = new Dimension(0,-1);
     rotations[3] = new Dimension(-1 , -1);
     rotations[4] = new Dimension(-1,0);
     rotations[5] = new Dimension(-1,1);
     rotations[6] = new Dimension(1,0);
     rotations[7] = new Dimension(1,1);
     currentRotation = Start;
     increment  = (int)rotations[Start].getWidth();
     vincrement = (int)rotations[Start].getHeight();
     setSpeed();
public void setSpeed()
     increment  = increment  * speed;
     vincrement = vincrement * speed;
public void changeRotation(int run, int rise){
     increment  = run;
     vincrement = rise;
     setSpeed();
public void rotate()
     currentRotation++;
     if (currentRotation == 8) currentRotation = 0;
     changeRotation((int)rotations[currentRotation].getWidth(), (int)rotations[currentRotation].getHeight() );
public void bounce()
     increment  = -increment;
public void vBounce()
     vincrement = -vincrement;
public void setColor(Color n)
     color = n;
public void run()
     while (true)
          try
               Thread.sleep(pause);
           catch (InterruptedException e) {}
          repaint(position,vposition,31,31);
          position  += increment;
          if (position > width - 30 || position <= 0) bounce();
          vposition += vincrement;
          if (vposition >= height - 30 || vposition <= 0) vBounce();
          repaint(position,vposition,31,31);
public void update(Graphics g)
     this.paint(g);
public void paint(Graphics g)
     width  = getWidth();
     height = getHeight()-4;
     Rectangle cl = g.getClipBounds();
     g.setColor(Color.pink);
     g.fillRect(cl.x,cl.y,cl.width,cl.height);
     g.setColor(color);
     g.fillOval(position,vposition,30,30);
     setCentre();
public void setCentre()
     xCenter = position - 30/2;
     yCenter = vposition -30/2;
public boolean didCollide(Animation x)
     distance = Math.sqrt( Math.pow( (xCenter- x.xCenter) ,2) + Math.pow((yCenter-x.yCenter) , 2) );
     if (distance <= 31) return true;
          else            return false;
} Noah