code: public void checkTransitives(Tile tile)
      {
          final int tx = tile.getInTileX();
          final int ty = tile.getInTileY();
          for (int v = ty + 2; v >= ty - 2; v--)
          {
              checkTransitives(tile, tx - 2, v);
              checkTransitives(tile, tx + 2, v);
          }
          for (int h = tx - 2; h <= tx + 2; h++)
          {
              checkTransitives(tile, h, ty - 2);
              checkTransitives(tile, h, ty + 2);
          }
      }
docs: Check transitive tiles.
  
  @param tile The tile reference.