public IEnumerable <IColorable> GetNotNullInput()
{
return
(Input.Where(
inPoint =>
(inPoint != null) && (inPoint.GetCurrentColor() != null) && (!InvisiblePoints.Contains(inPoint))));
}
protected void Traverse(IEnumerable <ColorableClass> start, Func <IColorable, IEnumerable <IColorable> > nextFunc, Action <IColorable> traverseEveryProc, Action <IColorable> traverseLastProc)
{
var visited = new ZSortedList <IColorable>();
var queue = new Queue <IColorable>(start.Select(el => (IColorable)el));
while (queue.Count != 0)
{
IColorable current = queue.Dequeue();
if (visited.Contains(current))
{
continue;
}
visited.Add(current);
if (traverseEveryProc != null)
{
traverseEveryProc(current);
}
IEnumerable <IColorable> outConnections = nextFunc(current);
int added = 0;
foreach (var outConn in outConnections)
{
queue.Enqueue(outConn);
added++;
}
if (traverseLastProc != null && added == 0 && (current is ColorableClass))
{
traverseLastProc(current);
}
}
}