Program a pong game using rmi, JAVA Programming

Using RMI, program a PONG game that enables two users to play against one another.

Pong class:

package graphics;/*
* Copyright (c) 2006, Your Corporation. All Rights Reserved.
*/

import javax.swing.*;
import java.awt.*;
import java.awt.event.MouseMotionListener;
import java.awt.event.MouseEvent;
import java.awt.event.MouseListener;

public class Pong extends JApplet
        implements Runnable, MouseMotionListener, MouseListener {

    Thread runner;
    Image offscreeni;
    Graphics offscreeng;
    Rectangle plane;
    Point ballPoint, racketPoint, enemyPoint, ballSpeed;
    boolean start, death = false;
    int playerScore, enemyScore = 0;
    int tuffHit = 8;

    public void init() {
        addMouseListener(this);
        addMouseMotionListener(this);
        final int width = this.getSize().width;
        final int height = this.getSize().height;
        offscreeni = createImage(width, height);
        offscreeng = offscreeni.getGraphics();
        setBackground(Color.black);
        ballPoint = new Point((width / 2), (height / 2));
        racketPoint = new Point((width - 35), ((height / 2) - 25));
        enemyPoint = new Point(35, ((height / 2) - 25));
        plane = new Rectangle(15, 15, width, (height - 30));
        ballSpeed = new Point(0, 0);
        repaint();
    }

    public void start() {
        if (runner == null) {
            runner = new Thread(this);
            runner.start();
        }
    }

    public void run() {
        while (true) {
            checkRacket();
            checkEnemy();
            checkWalls();
            moveBall();
           moveEnemy(enemyPoint.y + 25);
            repaint();
            sleep();
        }

    }

    private void sleep() {
        try {
            Thread.sleep(35);
            //lower this number to improve speed.
        }
        catch (InterruptedException e) {
            e.printStackTrace();
        }
    }

    void moveBall() {
        ballPoint.x = (ballPoint.x + ballSpeed.x);
        ballPoint.y = (ballPoint.y + ballSpeed.y);
    }

    void moveEnemy(int enemyPos) {
        int dist = Math.abs(ballPoint.y - enemyPos);
        final int y = enemyPoint.y;
        if (ballSpeed.x < 0) {
            if (enemyPos < (ballPoint.y - 3)) enemyPoint.y = (y + dist / tuffHit);
            else if (enemyPos > (ballPoint.y + 3)) enemyPoint.y = (y - dist / tuffHit);
        } else {
            if (enemyPos < (this.getSize().height / 2 - 3))
                enemyPoint.y = (y + 2);
            else if (enemyPos > (this.getSize().height / 2 + 3))
                enemyPoint.y = (y - 2);
        }
    }

    void checkRacket() {
        if (ballSpeed.x < 0) return;

        if ((ballPoint.x + ballSpeed.x) >= racketPoint.x - 6 &
                (ballPoint.x < racketPoint.x))
            if ((ballPoint.y + 8) > racketPoint.y & ballPoint.y < (racketPoint.y + 50)) {
                int racketHit = (ballPoint.y - (racketPoint.y + 25));
                ballSpeed.y = (ballSpeed.y + (racketHit / 7));
                ballSpeed.x = (ballSpeed.x * -1);
            }
    }

    void checkEnemy() {
        if (ballSpeed.x > 0) return;
        if ((ballPoint.x + ballSpeed.x) <= enemyPoint.x + 4 & (ballPoint.x > enemyPoint.x))
            if ((ballPoint.y + 8) > enemyPoint.y & ballPoint.y < (enemyPoint.y + 50)) {
                int racketHit = (ballPoint.y - (enemyPoint.y + 25));
                ballSpeed.y = (ballSpeed.y + (racketHit / 7));
                ballSpeed.x = (ballSpeed.x * -1);
            }
    }

    void checkWalls() {
        final int x = ballSpeed.x;
        if ((ballPoint.x + x) <= plane.x) miss();

        if ((ballPoint.x + x) >= (plane.width - 20)) miss();
        final int y = ballSpeed.y;
        if ((ballPoint.y + y) <= plane.y) ballSpeed.y = (y * -1);
        if ((ballPoint.y + y) >= (plane.height + 8)) ballSpeed.y = (y * -1);

    }

    void miss() {
        if (ballSpeed.x < 0) {
            playerScore = (playerScore + 1);
            if (tuffHit > 2) tuffHit = (tuffHit - 1);
        } else enemyScore = (enemyScore + 1);
        ballSpeed.x = (ballSpeed.x * -1);
        ballPoint.x = (ballPoint.x + ballSpeed.x);

        for (int i = 3; i > 0; i = (i - 1)) {
            death = true;
            repaint();
            try {
                Thread.sleep(300);
            }
            catch (InterruptedException e) {
                e.printStackTrace();
            }
            death = false;
            repaint();
            try {
                Thread.sleep(300);
            }
            catch (InterruptedException e) {
                e.printStackTrace();
            }
        }

        ballPoint = new Point((this.getSize().width / 2),
                (this.getSize().height / 2));
        ballSpeed.x = 0;
        ballSpeed.y = 0;
        start = false;

    }

    public void update(Graphics g) {
        paint(g);
    }

    public void paint(Graphics g) {
        offscreeng.setColor(Color.black);
        offscreeng.fillRect(0, 0, this.getSize().width, this.getSize().height);

        if (!death) offscreeng.setColor(Color.white);
        else offscreeng.setColor(Color.lightGray);
        offscreeng.drawString(Integer.toString(enemyScore), 100, 35);
        offscreeng.drawString(Integer.toString(playerScore), 215, 35);
        offscreeng.clipRect(plane.x, plane.y, plane.width - 28, plane.height + 1);
        offscreeng.drawRect(plane.x, plane.y, plane.width - 30, plane.height);
        offscreeng.fillRect(racketPoint.x, racketPoint.y, 6, 50);
        offscreeng.fillRect(enemyPoint.x, enemyPoint.y, 6, 50);
        offscreeng.fillOval(ballPoint.x, ballPoint.y, 8, 8);
        g.drawImage(offscreeni, 0, 0, this);

    }

    public void mouseDragged(MouseEvent e) {
        //To change body of implemented methods use File | Settings | File Templates.
    }

    public void mouseMoved(MouseEvent e) {
            racketPoint.y = (e.getY() - 25);
            repaint();
    }

    public void mouseClicked(MouseEvent e) {
        //To change body of implemented methods use File | Settings | File Templates.
    }

    public void mousePressed(MouseEvent e) {
        //To change body of implemented methods use File | Settings | File Templates.
    }

    public void mouseReleased(MouseEvent e) {
         if (!start) {
            ballSpeed.x = 4;
            ballSpeed.y = 2;
            start = true;
        }
    }

    public void mouseEntered(MouseEvent e) {
        //To change body of implemented methods use File | Settings | File Templates.
    }

    public void mouseExited(MouseEvent e) {
        //To change body of implemented methods use File | Settings | File Templates.
    }
}

Posted Date: 2/20/2013 3:08:11 AM | Location : United States







Related Discussions:- Program a pong game using rmi, Assignment Help, Ask Question on Program a pong game using rmi, Get Answer, Expert's Help, Program a pong game using rmi Discussions

Write discussion on Program a pong game using rmi
Your posts are moderated
Related Questions
What is bandwidth? In a general way Bandwidth is a capacity of communication channel of carrying data.

I need to code using java in netbeans for my dissertation which is in data mining domain...deals with privacy preserving of sensitive rules or items using association rule hiding

Describe Graphics Objects ? In Java all drawing takes place via a Graphics object. This is an example of the class java.awt.Graphics. Initially the Graphics object you use w

My name is Myers, the project director of an online business that is scheduled to commence this summer in Nigeria. We are in the process of recruiting members to the project team a

Validate() : Used to validate properties after they have been populated; known as before FormBean is handed to Action. Returns a collection of ActionError as ActionErrors. Followin

Having one instance overall the application.eg.: Loggers

hi there I have some problem on java .. can u do it for me

A loop is a set of commands which executes repeatedly till a denoted condition is met. JavaScript supports two loop statements: for & while. Additionally, you can employ the break

You may call function from any other place into your JavaScript code. After the function is executed, the control goes back to other script which called it.  alert('Example 1: t

Explain the difference between pre-emptive scheduling and time slicing ?