void CreateTightObstacles()
{
var tightObstacles = new Set <Polyline>(MainShape.Children.Select(InitialTightPolyline));
int initialNumberOfTightObstacles = tightObstacles.Count;
tightHierarchy = InteractiveObstacleCalculator.RemovePossibleOverlapsInTightPolylinesAndCalculateHierarchy(tightObstacles);
OverlapsDetected = initialNumberOfTightObstacles > tightObstacles.Count;
}
void CreateTigthLooseCouples()
{
var couples = new List <TightLooseCouple>();
foreach (var tightPolyline in tightHierarchy.GetAllLeaves())
{
var distance = InteractiveObstacleCalculator.FindMaxPaddingForTightPolyline(tightHierarchy, tightPolyline, LoosePadding);
var loosePoly = InteractiveObstacleCalculator.LoosePolylineWithFewCorners(tightPolyline, distance);
couples.Add(new TightLooseCouple(tightPolyline, new Shape(loosePoly), distance));
}
coupleHierarchy = RectangleNode <TightLooseCouple> .
CreateRectangleNodeOnEnumeration(couples.Select(c => new RectangleNode <TightLooseCouple>(c, c.TightPolyline.BoundingBox)));
}
Polyline InitialTightPolyline(Shape shape)
{
var poly = InteractiveObstacleCalculator.PaddedPolylineBoundaryOfNode(shape.BoundaryCurve, TightPadding);
var stickingPointsArray = LoosePolylinesUnderShape(shape).SelectMany(l => l).Where(
p => Curve.PointRelativeToCurveLocation(p, poly) == PointLocation.Outside).ToArray();
if (stickingPointsArray.Length <= 0)
{
return(poly);
}
return(new Polyline(
ConvexHull.CalculateConvexHull(poly.Concat(stickingPointsArray)))
{
Closed = true
});
}