export const BOX_SIZE = 9;
export const CENTER = Math.floor(BOX_SIZE / 2);



function create_world (size) {
	return {
		tiles: Array(BOX_SIZE).fill(0).map(_ => Array(BOX_SIZE).fill(0)),
	};
}
const world = create_world(BOX_SIZE);

export function set_tile (world, x, y, tile) {
	world.tiles[x][y] = tile;
}

export function get_tile (world, x, y) {
	return world.tiles[x][y];
}

export function create_box (parent) {
	return {
		...create_world(BOX_SIZE),
		parent,
	};
}


export function get_root () {
	return world;
}