// Attempt to add the given space to the current dot link
public void AddSpace(BoardSpace space)
{
// already connected, don't allow
if (ConnectionExists(space))
{
return;
}
previousConnected = lastConnected;
lastConnected = space;
// the link's type matches the first dot added
if (IsEmpty())
{
dotType = space.GetCurrentDot().GetDotType();
}
// add the dot
currentConnectedSpaces.Add(space);
space.GetCurrentDot().Select();
// connect last spaces with the line
if (currentConnectedSpaces.Count >= 2)
{
previousConnected.Connect(lastConnected);
}
}