public static List <EdgeProjection> TryInsertFamily(SegmentFamilySubset subset, ProjectionCurrentState state)
{
if (state.SegmentIsCovered(subset))
{
return(null);
}
var start = state.GetNode(subset.Begin);
if (start == null)
{
return(null);
}
var end = state.GetNode(subset.End);
if (end == null)
{
return(null);
}
var result = new List <EdgeProjection>();
foreach (var s in state.nodesMap[start])
{
foreach (var f in state.nodesMap[end])
{
var length = new Segment(s.Projection, f.Projection).QuadratOfLength;
if (length != new Segment(subset.Begin, subset.End).QuadratOfLength)
{
continue;
}
result.Add(new EdgeProjection {
begin = s, end = f, Segments = subset.Insides.ToList()
});
}
}
return(result);
}
public bool SegmentIsCovered(SegmentFamilySubset subs)
{
return(subs.Insides.All(z => edgesMap[z].Count != 0));
}