Game Ball

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package Game;

import java.awt.Color;
import java.awt.Dimension;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.HeadlessException;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.MouseEvent;
import java.awt.event.MouseMotionListener;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.Timer;

/**
 *
 * @author ozaytunctan13
 */
public class GameBall extends JFrame implements ActionListener, MouseMotionListener {

    private int ballxSpeed = 7;
    private int ballySpeed = 5;
    private int paddlex = 0;
    private JPanel screen;
    private int scren_w = 800;
    private int scren_h = 600;
    private Ball top;
    private RectCollision rect;
    private int Ball_x = 0;
    private int Ball_y = 0;
    private int Ball_w = 30;
    private int Ball_h = 30;
    private int Rect_x = scren_w / 2;
    private int Rect_y = scren_h - 30;
    private int Rect_w = 100;
    private int Rect_h = 20;
    private long ball_speed = 1000;
    private boolean gameOver = false;

    public void initialize() {
        this.setDefaultCloseOperation(EXIT_ON_CLOSE);
        this.setLayout(null);
        this.setTitle(GameBall.class.getName());
        this.setBounds(200, 30, 800, 650);
        this.setBackground(Color.blue);
        this.setVisible(true);
        screen = new JPanel();
        this.setResizable(false);
        screen.setSize(800, 600);
        screen.setBackground(Color.BLACK);
        this.add(screen);
        Ball_x = (int) (screen.getSize().width) / 2;
        this.addMouseMotionListener(this);
        this.setLocationRelativeTo(null);

    }

    public GameBall(String title) {
        this.setTitle(title);
        initialize();
    }

    @Override
    public void paint(Graphics g) {
        super.paint(g);

        top = new Ball(Ball_x, Ball_y, Ball_w, Ball_h);
        rect = new RectCollision(paddlex, Rect_y, Rect_w, Rect_h);
        Graphics fr = screen.getGraphics();
        top.onDraw(fr);
        Graphics fr2 = screen.getGraphics();
        rect.onDraw(fr2);
        //Collision();

    }

    public void update(Graphics gr) {

    }

    public void Collision() {

        Ball_x = Ball_x + ballxSpeed;

        Ball_y = Ball_y + ballySpeed;

        // Window yukarı
        if (Ball_x >= paddlex && Ball_x <= paddlex + 100 && Ball_y >= 475) {

            ballySpeed = -7;
            // score++;

        }

        if (Ball_y >= 800) {

            // score = 0;
            Ball_y = 30;
            gameOver = true;

        }

        // Window aşağı
        if (Ball_y <= 0) {

            ballySpeed = 7;

        }

        // Window sağ
        if (Ball_x >= 800) {

            ballxSpeed = -5;

        }

        // Window sol
        if (Ball_x <= 0) {

            ballxSpeed = 5;

        }

        repaint();
    }

    @Override
    public void actionPerformed(ActionEvent e) {
        Collision();
    }

    @Override
    public void mouseDragged(MouseEvent e) {

    }

    @Override
    public void mouseMoved(MouseEvent e) {
        //Rect sadece x yönünde hareket etmektedir width.
        paddlex = e.getX() - 50;
        repaint();
    }

    public static void main(String[] args) {
        GameBall b = new GameBall("title");
        Timer t = new Timer(30, b);
        t.start();
    }
}

/////////////////////////// Rect Class////////////////////////////////

public class RectCollision extends Rectangle{

     private int Ball_x;

    private int Ball_y;

    private int Ball_w;

    private int Ball_h;

    public RectCollision(int x, int y, int width, int height) {

        super(x, y, width, height);

        Ball_x = x;

        Ball_y = y;

        Ball_w = width;

        Ball_h = height;

      

    }

    public void onDraw(Graphics g) {

        g.setColor(new Color(255,255,30));

        g.drawRect(x, y, width, height);

        g.fillRect(x, y, width, height);

    }

}

////////////////////////////////////////Ball Class/////////////////////////////////////

public class Ball extends Rectangle  {

    private int Ball_x;

    private int Ball_y;

    private int Ball_w;

    private int Ball_h;

    public Ball(int x, int y, int width, int height) {

        super(x, y, width, height);

        Ball_x = x;

        Ball_y = y;

        Ball_w = width;

        Ball_h = height;

      

    }

    public void onDraw(Graphics g) {

        g.setColor(new Color(255,255,30));

        g.drawOval(x, y, width, height);

        g.fillOval(x, y, width, height);

    }

    public static void main(String[] args) {

        JFrame f=new JFrame("Title");

        f.setSize(500,500);

        Ball b=new Ball(5,5,30,30);

        f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

        f.setVisible(true);

    }

}