Method compareTo

src/main/java/mudmap2/backend/WorldCoordinate.java:124–132

Only to test for equality @param t @return

(WorldCoordinate t)

     * @return
     */
    @Override
    public int compareTo(WorldCoordinate t) {
        final double d = 0.001;
        if(layer == t.layer && abs(x - t.x) < d && abs(y - t.y) < d)
            return 0;
        else if(x*x + y*y > t.x*t.x + t.y*t.y)
            return 1;
        else return -1;
    }
}