/// <inheritdoc />
public GridSlot ChooseSlot(TicTacToeGrid grid)
{
//look for a row, column or diagonal that would be almost full
var lines = grid.Rows.ToList();
lines.AddRange(grid.Cols);
lines.AddRange(grid.Diagonals);
//for us
foreach (var line in lines)
{
GridSlot slot;
if (ChooseRemainingFreeSlot(line, Symbol.SymbolType.Cross, out slot))
{
return(slot);
}
}
//for player
foreach (var line in lines)
{
GridSlot slot;
if (ChooseRemainingFreeSlot(line, Symbol.SymbolType.Circle, out slot))
{
return(slot);
}
}
//If a corner is available, choose a corner
var cornersIndexes = new [] { 0, 2, 6, 8 };
var cornersFreeSlots = grid.Slots.ByIndexes(cornersIndexes).Where(s => s.IsFree).ToList();
if (cornersFreeSlots.Any())
{
return(cornersFreeSlots[new Random(DateTime.Now.Millisecond).Next(cornersFreeSlots.Count())]);
}
//in this end, choose a random slot if all other cases are not encountered
var freeSlots = grid.Slots.Where(s => s.IsFree).ToList();
return(freeSlots[new Random(DateTime.Now.Millisecond).Next(freeSlots.Count)]);
}
// Use this for initialization
void Start()
{
grid = GameObject.FindObjectOfType <TicTacToeGrid>();
playing = true;
}
/// <inheritdoc />
public GridSlot ChooseSlot(TicTacToeGrid grid)
{
var freeSlots = grid.Slots.Where(s => s.IsFree).ToList();
return(freeSlots[new Random(DateTime.Now.Millisecond).Next(freeSlots.Count)]);
}
