// Line from the last connected space to the touch position
void UpdateLine(Vector3 touchPos)
{
if (!currentDotLink.IsEmpty())
{
BoardSpace lastConnected = currentDotLink.lastConnected;
Vector3 lineStart = lastConnected.GetScreenPosition();
touchLine.SetType(lastConnected.GetCurrentDot().GetDotType());
touchLine.SetPoints(lineStart, touchPos);
}
}
