DoubleBufferin

package PingPong;

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


public class Ball {

    private int x, y;

    private int velocityX, velocityY;

    private Component component;

//-----------------------------------------------------------------

    public Ball(int x, int y, Component component) {

        this.x = x;
        this.y = y;
        this.component = component;
        this.velocityX = 5;
        this.velocityY = 5;
    }

//-----------------------------------------------------------------

    public int getX() {
        return x;
    }

    public int getY() {
        return y;
    }

//-----------------------------------------------------------------

    public void moveBall() {


        if (x + 50 > 800) {
            velocityX = -5;

        } else if (x < 0) {

            velocityX = 5;
        }


        if (y + 20 > 500) {
            velocityY = -5;

        } else if (x < 0) {

            velocityY = 5;
        }

        x += velocityX;

        y += velocityY;
    }

//-----------------------------------------------------------------

    public void paint(Graphics graphics) {
        graphics.drawImage(Toolkit.getDefaultToolkit().getImage("Bilder/Ball.png"), x, y, component);
    }
}