/// <summary>
/// Calls join to function of model and call draw board on
/// clients in game.
/// </summary>
/// <param name="nameOfGame">name of game</param>
public void JoinTo(string nameOfGame)
{
ServerModel model = ServerModel.GetInstance();
// current player
string clientId = Context.ConnectionId;
Maze maze = model.JoinTo(nameOfGame, Context.ConnectionId);
// my boards
Clients.Client(clientId).drawBoard("myCanvas", maze.ToJSON(),
"playerImg", "exitImg", true);
Clients.Client(clientId).drawBoard("competitorCanvas", maze.ToJSON(),
"competitorImg", "exitImg", false);
// competitor
string opponentId = model.GetCompetitorOf(clientId);
Clients.Client(opponentId).drawBoard("competitorCanvas", maze.ToJSON(),
"competitorImg", "exitImg", false);
// notify other player
Clients.Client(opponentId).gameStarted();
}