Add a second paddle, and make it move with the up and down arrows.
Make the ball score on the left side, too.
Add two score variables (one for each player), and display them on the screen.
Use following code on Pong.java
Make the ball score on the left side, too.
Add two score variables (one for each player), and display them on the screen.
Use following code on Pong.java
import java.awt.*;
import java.awt.geom.*;
import java.awt.event.KeyEvent;
import javax.swing.JFrame;
import java.util.Random;
import java.util.Timer;
public class Pong extends Canvas
{
Point delta;
Ellipse2D.Double ball;
Rectangle paddle1;
public static void main( String[] args )
{
JFrame win = new JFrame("Pong");
win.setSize(1010,735);
win.setDefaultCloseOperation( JFrame.EXIT_ON_CLOSE );
win.add( new Pong() );
win.setVisible(true);
}
public Pong()
{
enableEvents(java.awt.AWTEvent.KEY_EVENT_MASK);
requestFocus();
ball = new Ellipse2D.Double(500,350,20,20);
delta = new Point(-5,5);
paddle1 = new Rectangle(50,250,20,200);
Timer t = new Timer(true);
t.schedule( new java.util.TimerTask()
{
public void run()
{
doStuff();
repaint();
}
}, 10, 10);
}
public void paint( Graphics g )
{
Graphics2D g2 = (Graphics2D)g;
g2.setColor(Color.black);
g2.fill(ball);
g2.setColor(Color.blue);
g2.fill(paddle1);
}
public void processKeyEvent(KeyEvent e)
{
if ( e.getID() == KeyEvent.KEY_PRESSED )
{
if ( e.getKeyCode() == KeyEvent.VK_W )
{
paddle1.y -= 10;
}
if ( e.getKeyCode() == KeyEvent.VK_S )
{
paddle1.y += 10;
}
}
}
public void doStuff()
{
ball.x += delta.x;
ball.y += delta.y;
// and bounce if we hit a wall
if ( ball.y < 0 || ball.y+20 > 700 )
delta.y = -delta.y;
if ( ball.x < 0 )
delta.x = -delta.x;
// check if the ball is hitting the paddle
if ( ball.intersects(paddle1) )
delta.x = -delta.x;
// check for scoring
if ( ball.x > 1000 )
{
ball.x = 500;
ball.y = 350;
delta = new Point(-5,5);
}
}
public boolean isFocusable() { return true; }
}
No Comment to " Pong "