public class ObjectParameters {
    private final int _x;
    private final int _y;
    private final int _width;
    private final int _height;
    public int LeftBorder(){return _x;}
    public int TopBorder(){return _y;}
    public int RightBorder(){return _x + _width;}
    public int DownBorder(){return  _y + _height;}
    public int ObjectMiddleHorizontal(){return _x + _width / 2;}
    public int ObjectMiddleVertical(){return  _y + _height / 2;}
    public ObjectParameters(int x, int y, int width, int height)
    {
        _x = x;
        _y = y;
        _width = width;
        _height = height;
    }
}