public static boolean segmentCrossesTile(int side1, int side2) {
      return (side1 & side2) == 0;
    }
Returns {@code false} if the segment from a point in {@code side1} to {@code side2} is definitely outside of the
rectangle, or true if it might cross the inside where {@code side1} and {@code side2} are from
{@link #getSide(int, int, int, int)}.
planetiler-core/src/main/java/com/onthegomap/planetiler/VectorTile.java