The world is laid out as a grid of ''tiles''. Each tile has an (x, y) coordinate which represents its position on the map, where (0, 0) is the top-left tile. The ''x'' value increases towards the right, and ''y'' increases downwards. For example: | The world is laid out as a grid of ''tiles''. Each tile has an (x, y) coordinate which represents its position on the map, where (0, 0) is the top-left tile. The ''x'' value increases towards the right, and ''y'' increases downwards. For example: |