my First Game - Pong

Pong_.idea_.name

Pong

Pong_.idea_compiler.xml

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<project version="4">
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    <option name="DEFAULT_COMPILER" value="Javac" />
    <resourceExtensions />
    <wildcardResourcePatterns>
      <entry name="!?*.java" />
      <entry name="!?*.form" />
      <entry name="!?*.class" />
      <entry name="!?*.groovy" />
      <entry name="!?*.scala" />
      <entry name="!?*.flex" />
      <entry name="!?*.kt" />
      <entry name="!?*.clj" />
    </wildcardResourcePatterns>
    <annotationProcessing>
      <profile default="true" name="Default" enabled="false">
        <processorPath useClasspath="true" />
      </profile>
    </annotationProcessing>
  </component>
</project>

Pong_.idea_copyright_profiles_settings.xml

<component name="CopyrightManager">
  <settings default="" />
</component>

Pong_.idea_encodings.xml

<?xml version="1.0" encoding="UTF-8"?>
<project version="4">
  <component name="Encoding" useUTFGuessing="true" native2AsciiForPropertiesFiles="false" />
</project>

Pong_.idea_misc.xml

<?xml version="1.0" encoding="UTF-8"?>
<project version="4">
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    <output url="file://$PROJECT_DIR$/out" />
  </component>
</project>

Pong_.idea_modules.xml

<?xml version="1.0" encoding="UTF-8"?>
<project version="4">
  <component name="ProjectModuleManager">
    <modules>
      <module fileurl="file://$PROJECT_DIR$/Pong.iml" filepath="$PROJECT_DIR$/Pong.iml" />
    </modules>
  </component>
</project>

Pong_.idea_scopes_scope_settings.xml

<component name="DependencyValidationManager">
  <state>
    <option name="SKIP_IMPORT_STATEMENTS" value="false" />
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Pong_.idea_vcs.xml

<?xml version="1.0" encoding="UTF-8"?>
<project version="4">
  <component name="VcsDirectoryMappings">
    <mapping directory="$PROJECT_DIR$/src/C-read-from-.CSV-to-database-tool" vcs="Git" />
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</project>

Pong_Pong.iml

<?xml version="1.0" encoding="UTF-8"?>
<module type="JAVA_MODULE" version="4">
  <component name="NewModuleRootManager" inherit-compiler-output="true">
    <exclude-output />
    <content url="file://$MODULE_DIR$">
      <sourceFolder url="file://$MODULE_DIR$/src" isTestSource="false" />
    </content>
    <orderEntry type="inheritedJdk" />
    <orderEntry type="sourceFolder" forTests="false" />
  </component>
</module>

Pong_src_Ball.java

import java.awt.*;
import java.util.Random;

/**
 * Created by john on 4/6/2015.
 */

public class Ball implements Runnable{
    // Global variables
    int x,y,xDir,yDir;

    Paddle p1 = new Paddle(15,140, 1);
    Paddle p2 = new Paddle(370,140, 2);

    Rectangle ball;

    int p1Score, p2Score;

    public Ball(int x, int y){
        this.x = x;
        this.y = y;
        //Set Ball moving randomly
        Random r = new Random();
        int rDir = r.nextInt(2);
        if(rDir == 0)
            rDir--;
        setXDirection(rDir);
        int yrDir = r.nextInt(2);
        if(yrDir == 0)
            yrDir--;
        setYDirection(yrDir);
        // create ball
        ball = new Rectangle(this.x, this.y, 15,15);

        p1Score = p2Score = 0;
    }

    public void setXDirection(int xdir){
        xDir = xdir;
    }
    public void setYDirection(int ydir){
        yDir = ydir;
    }

    public void draw(Graphics g){
        g.setColor(Color.WHITE);
        g.fillRect(ball.x,ball.y,ball.width,ball.height);

    }

    public void move(){
        ball.x += xDir;
        ball.y += yDir;
        //Bouce ball if enge is detected
        if(ball.x <= 0){
            setXDirection(+1);
            p2Score++;
            ball.x = 193;
            ball.y = 143;
        }
        if(ball.x >= 385){
            setXDirection(-1);
            p1Score++;
            ball.x = 193;
            ball.y = 143;
        }
        if(ball.y <= 20){
            setYDirection(+1);
        }
        if(ball.y >= 285){
            setYDirection(-1);
        }

        if(ball.intersects(p1.paddle)){
            if(xDir > 0)
                setXDirection(-1);
            else
                setXDirection(+1);
        }
        if(ball.intersects(p2.paddle)){
            if(xDir > 0)
                setXDirection(-1);
            else
                setXDirection(+1);
        }


    }


    @Override
    public void run() {
        try {
            while(true){
                move();
                Thread.sleep(6);
            }



        }
        catch(Exception ex){
            System.err.println(ex.getMessage());
        }
    }
}

Pong_src_Main.java

import javax.swing.*;
import java.awt.*;
import java.awt.event.*;

/**
 * Copyright MineStein 2014©
 * All files included within the project are subject under the standard
 * GNU license. Any and all assets are the sole property of MineStein.
 */
public class Main extends JFrame {

    //double buffering
    Image dbImage;
    Graphics dbg;

    //Ball objects
    static Ball b = new Ball(193,143);


    Dimension dimension = new Dimension(400, 300);

    public Main() {
        this.setTitle("PingPong");
        this.setSize(dimension);
        this.setResizable(false);
        this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        this.setVisible(true);
        this.setBackground(Color.DARK_GRAY);

        addKeyListener(new AC());
    }

    public class AC extends KeyAdapter {

        public void keyPressed(KeyEvent e) {
            b.p1.keyPressed(e);
            b.p2.keyPressed(e);
        }

        public void keyReleased(KeyEvent e) {
            b.p1.keyReleased(e);
            b.p2.keyReleased(e);
        }
    }

    public static void main(String[] args) {
        Main core = new Main();
        //create and start threads
        Thread ball = new Thread(b);
        ball.start();
        Thread p1 = new Thread(b.p1);
        Thread p2 = new Thread(b.p2);
        p1.start();
        p2.start();


    }

    public void paint(Graphics g){
        dbImage = createImage(getWidth(),getHeight());
        dbg = dbImage.getGraphics();
        draw(dbg);
        g.drawImage(dbImage,0,0,this);
    }

    public void draw(Graphics g){
        b.draw(g);
        b.p1.draw(g);
        b.p2.draw(g);

        g.setColor(Color.WHITE);
        g.drawString(""+b.p1Score, 20, 50);
        g.drawString(""+b.p2Score, 370, 50);
        repaint();



    }
}

Pong_src_Paddle.java

import java.awt.*;
import java.awt.event.KeyEvent;

/**
 * Created by john on 4/12/2015.
 */
public class Paddle implements Runnable{

    int x, y, yDirection, id;

    Rectangle paddle;

    public Paddle(int x, int y, int id){
        this.x = x;
        this.y = y;
        this.id = id;
        paddle = new Rectangle(x,y,10,50);

    }

    public void keyPressed(KeyEvent e){
        switch(id){

            default:
                System.out.println("Please Enter a Valid ID in Paddle Constructor.");
                break;
            case 1:
                if(e.getKeyCode() == e.VK_UP){
                    setYDirection(-1);
                }
                if(e.getKeyCode() == e.VK_DOWN){
                    setYDirection(1);
                }
                break;
            case 2:
                if(e.getKeyCode() == e.VK_W){
                    setYDirection(-1);
                }
                if(e.getKeyCode() == e.VK_S){
                    setYDirection(1);
                }
                break;
        }
    }
    public void keyReleased(KeyEvent e){
        switch(id){

            default:
                System.out.println("Please Enter a Valid ID in Paddle Constructor.");
                break;
            case 1:
                if(e.getKeyCode() == e.VK_UP){
                    setYDirection(0);
                }
                if(e.getKeyCode() == e.VK_DOWN){
                    setYDirection(0);
                }
                break;
            case 2:
                if(e.getKeyCode() == e.VK_W){
                    setYDirection(0);
                }
                if(e.getKeyCode() == e.VK_S){
                    setYDirection(0);
                }
                break;
        }
    }

    public void setYDirection(int ydir){
        yDirection = ydir;
    }

    public void move(){
        paddle.y += yDirection;
        if(paddle.y <= 15){
            paddle.y = 15;
        }
        if(paddle.y >= 250){
            paddle.y = 250;
        }
    }


    public void draw(Graphics g){
        switch(id) {
            default:
                System.out.println("Please Enter a Valid ID in Paddle Constructor.");
                break;
            case 1:
                g.setColor(Color.CYAN);
                g.fillRect(paddle.x, paddle.y, paddle.width, paddle.height);
                break;
            case 2:
                g.setColor(Color.RED);
                g.fillRect(paddle.x, paddle.y, paddle.width, paddle.height);
                break;
        }

    }


    @Override
    public void run() {
        try {
            while(true){
                move();
                Thread.sleep(8);
            }
        }
        catch(Exception ex){
            System.err.println(ex.getMessage());
        }
    }
}