private bool FindStar(FacetStars facetedMesh)
{
// Find a vertex having an unvisited facet atleast
Func <Facet, bool> predicate;
switch (Strategy)
{
case InvestigationStrategy.FirstWins:
predicate = f => !_visited.Contains(f);
break;
case InvestigationStrategy.SameFaceFirst:
predicate = f => !_visited.Contains(f) && (null == _representative || f.Meshed == _representative);
break;
default:
throw new NotImplementedException($"Not implemented for '{Strategy}'");
}
var star = facetedMesh.FirstOrDefault(f => f.Any(predicate));
if (null != star)
{
_pending.Push(star.Key);
}
return(null != star);
}
/// <summary>
/// A new packing state wrapping the given facet index.
/// </summary>
/// <param name="index">The facet index.</param>
/// <param name="isVisitedDelegate">A delegate providing a flag whether a vertex has been visited yet or not</param>
/// <param name="strategy">The investigation strategy</param>
public FacetStarVisitor(FacetStars index, Func <uint, bool> isVisitedDelegate, InvestigationStrategy strategy = InvestigationStrategy.FirstWins)
{
Index = index;
Strategy = strategy;
FindStar(index);
}
