import java.util.*;
public class Universe{

    public class Clip{
        public int left, right, top, bottom;
    
        public Clip(){}
    }

    public Clip clip;
    public double      mat[][];    /* Movement of stars(?) */
    public double      scale;    /* Scale */
    public int         midx;    /* Middle of screen, x */
    public int         midy;    /* Middle of screen, y */
    public double      size;    /* */
    public double      diff[];    /* */
    public Vector galaxies;    /* the Whole Universe */
    public int         ngalaxies;    /* # galaxies */
    public int         f_hititerations;    /* # iterations before restart */
    public int         step;

    public Universe(){ clip = new Clip();
        mat = new double[3][3];
        diff = new double[3];
        galaxies = new Vector();
        step = 4;
        ngalaxies = 2;
    } 
}