// get tile from array
public bool GetTileAt(int row, int column, out Tile tile)
{
bool bOK = true;
tile = null;
try
{
tile = TileViewModels.GetValue(row, column) as Tile;
}
catch (Exception ex)
{
Logger.Instance.Error($"GetTileAt exception, {ex.Message}");
bOK = false;
}
return(bOK);
}
// select a random direction and position
bool SelectRandomPose(ref Word word)
{
bool bOK = false;
try
{
int rows = TileViewModels.GetLength(0);
int columns = TileViewModels.GetLength(1);
int tries = 0;
while (tries < Defines.MAX_RANDOM_TRIES)
{
int wordLen = word.Text.Length;
int row = Random.Next(rows);
int column = Random.Next(columns);
word.Row = row;
word.Column = column;
var directions = new List <Defines.WordDirection>();
var directionsToTest = new List <Defines.WordDirection>();
foreach (Defines.WordDirection direction in Enum.GetValues(typeof(Defines.WordDirection)))
{
directionsToTest.Add(direction);
}
directionsToTest.Add(Defines.WordDirection.TopLeftToBottomRight);
directionsToTest.Add(Defines.WordDirection.TopRightToBottomLeft);
directionsToTest.Add(Defines.WordDirection.BottomLeftToTopRight);
directionsToTest.Add(Defines.WordDirection.BottomRightToTopLeft);
foreach (Defines.WordDirection direction in directionsToTest)
{
// test if word fits
word.Direction = direction;
if (word.WordFits(rows, columns))
{
// test for collision with existing words
bool bHasCollision = false;
lock (WordsLock)
{
foreach (var existingWord in Words)
{
if (existingWord.HasCollision(word))
{
bHasCollision = true;
break;
}
}
}
if (!bHasCollision)
{
directions.Add(direction);
}
}
}
if (directions.Count > 0)
{
// select direction and set row and column for word object
word.Direction = directions[Random.Next(directions.Count)];
bOK = true;
break;
}
tries++;
}
}
catch (Exception ex)
{
Logger.Instance.Error($"SelectRandomPose exception, {ex.Message}");
bOK = false;
}
return(bOK);
}
