grid location of center tile.
if no, include tiles to the north, south, east, and west only. if yes, also include northwest, northeast, southwest, and southeast.
1 import std.algorithm : equal; 2 auto myGrid = rectGrid([ 3 [ 00, 01, 02, 03, 04 ], 4 [ 10, 11, 12, 13, 14 ], 5 [ 20, 21, 22, 23, 24 ], 6 ]); 7 8 assert(myGrid.adjacentTiles(RowCol(0,0)).equal([01, 10])); 9 assert(myGrid.adjacentTiles(RowCol(1,1)).equal([01, 10, 12, 21])); 10 assert(myGrid.adjacentTiles(RowCol(2,2)).equal([12, 21, 23])); 11 assert(myGrid.adjacentTiles(RowCol(2,4)).equal([14, 23])); 12 13 assert(myGrid.adjacentTiles(RowCol(0,0), Diagonals.yes) 14 .equal([01, 10, 11])); 15 assert(myGrid.adjacentTiles(RowCol(1,1), Diagonals.yes) 16 .equal([00, 01, 02, 10, 12, 20, 21, 22])); 17 assert(myGrid.adjacentTiles(RowCol(2,2), Diagonals.yes) 18 .equal([11, 12, 13, 21, 23])); 19 assert(myGrid.adjacentTiles(RowCol(2,4), Diagonals.yes) 20 .equal([13, 14, 23]));
Return all tiles adjacent to the tile at the given coord (not including the tile itself).