rendered paste bodyimport java.applet.*;
import java.awt.event.*;
import java.awt.*;
import java.awt.Graphics;
public class Pong extends Applet implements KeyListener
{
Frame frame = new Frame();
Graphics screen; // this would be drawn to the screen
Image buffer; // the buffer
Dimension dim;
int pX = 0, pY = 0;
int speed = 3;
boolean done = true;
public void init()
{
dim = getSize(); //get width and height of applet
setBackground(Color.black);
buffer = createImage(dim.width,dim.height);
screen = buffer.getGraphics(); // link buffer with screen
}
public void paint(Graphics g)
{
screen.clearRect(0,0,dim.width,dim.width); // clear it...
//screen.setColor(Color.red);
//screen.drawString("Bad Double-buffered",10,10);
screen.fillRect(pX,pY,10,30);
this.getGraphics().drawImage(screen,0,0,this);
}
// no wiping, just draw buffer onto screen
public void update(Graphics g)
{
paint(g);
}
public void keyReleased(KeyEvent e)
{
}
public void keyTyped(KeyEvent e)
{
}
public void keyPressed(KeyEvent e)
{
//manage the keys
int id = e.getKeyCode(); // get key code
if(id == KeyEvent.VK_KP_UP){
if((pY+30) < 300)
pY += speed;
if((pY + 30) > 300)
pY = 270;
}
else if(id == KeyEvent.VK_KP_DOWN)
{
if(pY > 0 )
pY -= speed;
if(pY < 0 )
pY = 0;
}
}
public void gameLoop()
{
while(!done){
}
}
}