MiniPong

Simple juego de pong, gana el que llega a 5 primero.

MiniPong.java

package com.dansan.minipong;

import java.awt.Color;
import java.awt.Font;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.event.KeyEvent;
import java.awt.event.KeyListener;
import javax.swing.JFrame;
import javax.swing.JOptionPane;
import javax.swing.JPanel;

/**
 *
 * @author Programador
 */
public class MiniPong extends JPanel{    
    static final int ancho = 800;
    static final int alto = 600;
    int speed=1;
    Pelota pelota = new Pelota(this);
    Raqueta1 raqueta1 = new Raqueta1(0, 0, this);
    Raqueta2 raqueta2 = new Raqueta2(ancho-35, alto-200, this);
    
    public MiniPong(){
        addKeyListener(new KeyListener() {

            @Override
            public void keyTyped(KeyEvent e) {
                
            }

            @Override
            public void keyPressed(KeyEvent e) {
                raqueta1.keyPressed(e);
                raqueta2.keyPressed(e);
            }

            @Override
            public void keyReleased(KeyEvent e) {
                raqueta1.keyReleased(e);
                raqueta2.keyReleased(e);
            }
        });
        setFocusable(true);
    }
    
    public void paint(Graphics g){
        super.paint(g);
        Graphics2D g2d = (Graphics2D) g;
        //Linea del medio
        g2d.fillRect((ancho/2)-5, 0, 10, alto);        
        pelota.paint(g2d);
        raqueta1.paint(g2d);
        raqueta2.paint(g2d);
        
        g2d.setColor(Color.red);
        g2d.setFont(new Font("Verdana", Font.BOLD, 30));
        g2d.drawString(String.valueOf(raqueta1.puntos), 20, 20);
        g2d.drawString(String.valueOf(raqueta2.puntos), 750, 20);
    }
    
    public void move(){
        pelota.move();
        raqueta1.move();
        raqueta2.move();
    }
    
    public void finDelPunto(int i){
        //Accion de contar punto a quien corresponda
        speed=1;
        raqueta1.ya=0;
        raqueta2.ya=0;
        if(i==1){
            raqueta1.puntos++;
            pelota.x = 40;
            pelota.y = 20;
            raqueta1.x = 0;
            raqueta1.y = 0;
            
            pelota.xa=speed;
            pelota.ya=speed;
            JOptionPane.showMessageDialog(this, "Fin del Punto","Fin del Punto",JOptionPane.INFORMATION_MESSAGE);
        }            
        else if(i==2){
            raqueta2.puntos++;
            pelota.x = ancho-35-pelota.diametro;
            pelota.y = alto-200-pelota.diametro;
            raqueta2.x = ancho-35;
            raqueta2.y = alto-200;
            
            pelota.xa=-speed;
            pelota.ya=-speed;
            JOptionPane.showMessageDialog(this, "Fin del Punto","Fin del Punto",JOptionPane.INFORMATION_MESSAGE);
        }                
        if(raqueta1.puntos==5 || raqueta2.puntos==5){
            JOptionPane.showMessageDialog(this, "Score: "+String.valueOf(raqueta1.puntos)+"-"+String.valueOf(raqueta2.puntos),"Fin del Juego",JOptionPane.INFORMATION_MESSAGE);            
            System.exit(ABORT);
        }
    }
    
    public static void main(String[] args) throws InterruptedException {
        JFrame frame = new JFrame("Mini Pong");
        frame.setSize(ancho, alto);
        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        MiniPong cancha = new MiniPong();
        frame.add(cancha);        
        frame.setVisible(true);        
        boolean seguir=true;   
        while(seguir){
            cancha.move();
            cancha.repaint();
            Thread.sleep(10);
        }
    }
    
}

Pelota.java

package com.dansan.minipong;

import java.awt.Graphics2D;
import java.awt.Image;
import java.awt.Rectangle;
import javax.swing.ImageIcon;

/**
 *
 * @author Programador
 */
public class Pelota {
    
    Image imagen = new ImageIcon(getClass().getResource("Bola.png")).getImage();
    MiniPong cancha;
    int x=0; 
    int y=0;
    int xa;
    int ya;
    int diametro;
    
    public Pelota(MiniPong cancha){
        this.cancha = cancha;
        xa = cancha.speed;
        ya = cancha.speed;
        diametro = imagen.getWidth(null);
    }
    
    
    
    public void paint(Graphics2D g){        
        g.drawImage(imagen, x, y, cancha);
    }
    
    public void move(){
        boolean cambioDireccion=true;
        if(x + xa < 0)
            cancha.finDelPunto(2);
        else if(x + xa > cancha.getWidth()-diametro)
            cancha.finDelPunto(1);
        else if(y + ya < 0)
            ya = cancha.speed;
        else if(y + ya > cancha.getHeight()-diametro)
            ya = -cancha.speed;
        else if(collision1())
            {
            xa = cancha.speed;
            x = cancha.raqueta1.getTopX();
            cancha.speed++;
        }
        else if(collision2()){
            xa = -cancha.speed;
            x = cancha.raqueta2.getTopX()-diametro;
            cancha.speed++;
        }
        else{
            cambioDireccion = false;
        }
        
        if(cambioDireccion){
            Sound.PELOTA.play();
        }
        
        x = x + xa;
        y = y + ya;
    }

    private boolean collision1(){
        return cancha.raqueta1.getBounds().intersects(getBounds());
    }
    
    private boolean collision2(){
        return cancha.raqueta2.getBounds().intersects(getBounds());
    }
    
    public Rectangle getBounds(){
        return new Rectangle(x,y,diametro,diametro);
    }
    
}

Raqueta1.java

package com.dansan.minipong;

import java.awt.Graphics2D;
import java.awt.Rectangle;
import java.awt.event.KeyEvent;

/**
 *
 * @author Programador
 */
public class Raqueta1 {
    static final int ancho = 20;
    static final int alto = 100;
    int x;
    int y;
    int ya;
    int puntos=0;
    
    MiniPong cancha;
    
    public Raqueta1(int x,int y,MiniPong cancha){
        this.x = x;
        this.y = y;
        this.cancha = cancha;
    }
    
    public void paint(Graphics2D g){
        g.fillRect(x, y, ancho, alto);
    }
    
    public void move(){
        if(y + ya > 0 && y + ya < cancha.getHeight()-alto)
            y = y + ya;
    }
    
    public void keyReleased(KeyEvent e){
        ya = 0;
    }
    
    public void keyPressed(KeyEvent e){
        if(e.getKeyCode()==KeyEvent.VK_UP)
            ya = -cancha.speed;
        if(e.getKeyCode()==KeyEvent.VK_DOWN)
            ya = cancha.speed;
    }
    
    public Rectangle getBounds(){
        return new Rectangle(x,y,ancho,alto);
    }
    
    public int getTopX(){
        return x+ancho;
    }
    
}

Raqueta2.java

package com.dansan.minipong;

import static com.dansan.minipong.Raqueta1.ancho;
import java.awt.Graphics2D;
import java.awt.Rectangle;
import java.awt.event.KeyEvent;

/**
 *
 * @author Programador
 */
public class Raqueta2 {
    static final int ancho = 20;
    static final int alto = 100;
    int x;
    int y;
    int ya;
    int puntos=0;
    
    MiniPong cancha;
    
    public Raqueta2(int x,int y,MiniPong cancha){
        this.x = x;
        this.y = y;
        this.cancha = cancha;
    }
    
    public void paint(Graphics2D g){
        g.fillRect(x, y, ancho, alto);
    }
    
    public void move(){
        if(y + ya > 0 && y + ya < cancha.getHeight()-alto)
            y = y + ya;
    }
    
    public void keyReleased(KeyEvent e){
        ya = 0;
    }
    
    public void keyPressed(KeyEvent e){
        if(e.getKeyCode()==KeyEvent.VK_W)
            ya = -cancha.speed;
        if(e.getKeyCode()==KeyEvent.VK_S)
            ya = cancha.speed;
    }
    
    public Rectangle getBounds(){
        return new Rectangle(x,y,ancho,alto);
    }
    
    public int getTopX(){
        return x;
    }
    
}

Sound.java

package com.dansan.minipong;

import java.applet.Applet;
import java.applet.AudioClip;

/**
 *
 * @author Programador
 */
public class Sound {
    public static final AudioClip PELOTA = Applet.newAudioClip(Sound.class.getResource("ball.wav"));    
}

MiniPong ejecutandose

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