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    package core;
    import java.awt.Color;
    import java.awt.Graphics;

    import graphics.GraphicsObject;

    * Game object class is abstract class
    * which should be inherited by all game entities
    public abstract class GameObject implements GraphicsObject {
    // TODO: refactor in easier to use manner
    // position
    protected double posX;
    protected double posY;
    // velocity
    protected double vx;
    protected double vy;
    // color of the object
    protected Color color;
    * @see graphics.GraphicsObject.draw
    public abstract void draw(Graphics g, int scrWidth, int scrHeight);
    * The object updating function, tries to compensate for variable
    * distances between updates by using linear interpolation
    * @param deltaTime the time for which we have to compensate
    public abstract void update(double deltaTime);
    public static void setVelocityX1(float f) {
    // TODO Auto-generated method stub

    public static void setVelocityY(float f) {
    // TODO Auto-generated method stub

    public static void setVelocityX(float f) {
    // TODO Auto-generated method stub



    So, thats the GameObject file
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