public static NumberTile FindFloorTile(NumberTile tile)
{
NumberTile nextTile = tile.FindNeighbourTile(Direction.down);
while (IsInactiveTile(nextTile))
{
tile = nextTile;
nextTile = tile.FindNeighbourTile(Direction.down);
}
return(tile);
}
bool MergeNeighbourTiles(NumberTile tile, ref List <NumberTile> mergedTiles)
{
int mergeCount = 0;
foreach (Direction direction in mergeDirections)
{
NumberTile neighbour = tile.FindNeighbourTile(direction);
if (NumberTile.IsActiveTile(neighbour) && tile.IsEqualNumber(neighbour))
{
neighbour.DeActivate();
mergedTiles.Add(neighbour);
mergeCount++;
}
}
int multiplier = (int)Mathf.Pow(2, mergeCount);
if (multiplier > 1)
{
tile.Multiply(multiplier);
if (handler != null)
{
handler.OnTileMerged(tile);
}
return(true);
}
return(false);
}
public static NumberTile TryFindActiveTopTile(NumberTile tile)
{
NumberTile nextTile = tile.FindNeighbourTile(Direction.up);
while (IsInactiveTile(nextTile))
{
tile = nextTile;
nextTile = tile.FindNeighbourTile(Direction.up);
}
if (IsActiveTile(nextTile))
{
return(nextTile);
}
return(null);
}
public static List <NumberTile> FindActiveTilesInDirection(NumberTile tile, Direction dir)
{
List <NumberTile> tiles = new List <NumberTile>();
NumberTile nextTile = tile.FindNeighbourTile(dir);
while (IsActiveTile(nextTile))
{
tiles.Add(nextTile);
nextTile = nextTile.FindNeighbourTile(dir);
}
return(tiles);
}