// Connect this board space with another, creating a line between them
public void Connect(BoardSpace space)
{
Vector3 lineStart = GetScreenPosition();
Vector3 lineEnd = space.GetScreenPosition();
ConnectionLine line = connectionLines.GetUnusedLine();
line.SetPoints(lineStart, lineEnd);
connectedSpaces.Add(space);
}
// 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);
}
}
// Search the possbile spaces for one close enough to the touch
BoardSpace FindSpace(Vector3 touchPos, List <BoardSpace> possibleSpaces)
{
for (int i = 0; i < possibleSpaces.Count; i++)
{
BoardSpace curSpace = possibleSpaces[i];
float touchDist = Vector3.Distance(touchPos, curSpace.GetScreenPosition());
if (touchDist < board.DotTouchDistance)
{
return(curSpace);
}
}
return(null);
}
// Find valid space, searching all board spaces for one close enough to the touch
BoardSpace FindFirstSpace(Vector3 touchPos)
{
List <List <BoardSpace> > boardArray = board.BoardArray;
for (int i = 0; i < boardArray.Count; i++)
{
for (int k = 0; k < boardArray[i].Count; k++)
{
BoardSpace curSpace = boardArray[i][k];
float touchDist = Vector3.Distance(touchPos, curSpace.GetScreenPosition());
if (touchDist < board.DotTouchDistance)
{
return(curSpace);
}
}
}
return(null);
}