public List <EdgeIntersectionResult> CalculateMultipleIntersection(NavigationEdge edge, int maximum)
{
List <EdgeIntersectionResult> result = new List <EdgeIntersectionResult>();
foreach (var poly in this)
{
if (poly.GetBoundingIntersection(edge))
{
foreach (var constrainedEdge in poly.ConstraintedEdges)
{
var r = edge.CalculateIntersection(constrainedEdge);
if (r.SegmentsIntersect)
{
result.Add(r);
}
if (result.Count > maximum)
{
return(result);
}
}
}
}
return(result);
}
public bool GetBoundingIntersection(NavigationEdge edge)
{
if (GetBoundingDistance(edge.A) == 0)
{
return(true);
}
if (GetBoundingDistance(edge.B) == 0)
{
return(true);
}
var bounding = this.GetBounding();
var otherBounding = new NavigationEdge(new DeterministicVector2(bounding.A.X, bounding.B.Y), new DeterministicVector2(bounding.B.X, bounding.A.Y));
if (edge.CalculateIntersection(new NavigationEdge(bounding.A, otherBounding.B)).SegmentsIntersect)
{
return(true);
}
if (edge.CalculateIntersection(new NavigationEdge(otherBounding.B, bounding.B)).SegmentsIntersect)
{
return(true);
}
if (edge.CalculateIntersection(new NavigationEdge(bounding.B, otherBounding.A)).SegmentsIntersect)
{
return(true);
}
if (edge.CalculateIntersection(new NavigationEdge(otherBounding.A, bounding.A)).SegmentsIntersect)
{
return(true);
}
return(false);
}
public EdgeIntersectionResult CalculateAnyIntersection(NavigationEdge edge)
{
foreach (var poly in this)
{
foreach (var constrainedEdge in poly.ConstraintedEdges)
{
var result = edge.CalculateIntersection(constrainedEdge);
if (result.SegmentsIntersect)
{
return(result);
}
}
}
return(new EdgeIntersectionResult());
}