public static bool CheckIfASegmentIntersectsAnotherSegment(Segment s)
{
var ls = SegmentsManager.Segments;
foreach (var seg in ls.Where(seg => !seg.Egale(s)))
{
VerificaIntersectia = new Intersectie(seg.A, seg.B, s.A, s.B);
if (VerificaIntersectia.Intersectation())
return false;
}
return true;
}
public static bool CheckIfASegmentIntersectsAnotherSegment(Segment s)
{
var ls = SegmentsManager.Segments;
foreach (var seg in ls.Where(seg => !seg.Egale(s)))
{
VerificaIntersectia = new Intersectie(seg.A, seg.B, s.A, s.B);
if (VerificaIntersectia.Intersectation())
{
return(false);
}
}
return(true);
}
public static bool CheckIfTwoPointsIntersectAShapeTrapez(Point a, Point b)
{
for (var i = 0; i < PolygonManager.ListOfPolygons.Count; i++)
{
var ls = PolygonManager.ListOfPolygons[i].Segmente;
foreach (var s in ls)
{
VerificaIntersectia = new Intersectie(s.A, s.B, a, b);
if (VerificaIntersectia.Intersectation())
return true;
}
}
return false;
}
public static bool CheckIfTwoPointsIntersectAShapeTrapez(Point a, Point b)
{
for (var i = 0; i < PolygonManager.ListOfPolygons.Count; i++)
{
var ls = PolygonManager.ListOfPolygons[i].Segmente;
foreach (var s in ls)
{
VerificaIntersectia = new Intersectie(s.A, s.B, a, b);
if (VerificaIntersectia.Intersectation())
{
return(true);
}
}
}
return(false);
}
public static bool CheckIfSegmentIntersectInteriorSegment(Segment s)
{
foreach (var seg in SegmentsManager.InteriorSegments)
{
if (!s.A.X.Equals(seg.A.X) && !s.A.X.Equals(seg.B.X) && !s.B.X.Equals(seg.A.X) && !s.B.X.Equals(seg.B.X))
{
VerificaIntersectia = new Intersectie(seg.A, seg.B, s.A, s.B);
if (VerificaIntersectia.Intersectation())
{
var pt = new Point(Convert.ToInt32(VerificaIntersectia.x), Convert.ToInt32(VerificaIntersectia.y));
if (!(pt.Equals(s.A) || pt.Equals(s.B)))
return true;
}
}
}
return false;
}
public static bool CheckIfTwoPointsIntersectOnlyASpecificSegment(Point a, Point b, Segment s)
{
Segment s1 = new Segment(a, b);
var ls = SegmentsManager.Segments;
foreach (var seg in ls.Where(seg => !seg.Egale(s1)))
{
if (!seg.Egale(s))
{
VerificaIntersectia = new Intersectie(seg.A, seg.B, s1.A, s1.B);
if (VerificaIntersectia.Intersectation())
{
return(false);
}
}
}
return(true);
}
public static bool CheckIfSegmentIntersectInteriorSegment(Segment s)
{
foreach (var seg in SegmentsManager.InteriorSegments)
{
if (!s.A.X.Equals(seg.A.X) && !s.A.X.Equals(seg.B.X) && !s.B.X.Equals(seg.A.X) && !s.B.X.Equals(seg.B.X))
{
VerificaIntersectia = new Intersectie(seg.A, seg.B, s.A, s.B);
if (VerificaIntersectia.Intersectation())
{
var pt = new Point(Convert.ToInt32(VerificaIntersectia.x), Convert.ToInt32(VerificaIntersectia.y));
if (!(pt.Equals(s.A) || pt.Equals(s.B)))
{
return(true);
}
}
}
}
return(false);
}
public static Point GetLastIntersectionPoint(Segment s)
{
var ls = GetAllSegmentesThatAreIntersectedByASegment(s);
var lp = new List <Point>();
foreach (var seg in ls)
{
var intersectie = new Intersectie(seg.A, seg.B, s.A, s.B);
if (intersectie.Intersectation())
{
intersectie.SetIntersectionPoint();
if (!double.IsNaN(intersectie.x) && !double.IsNaN(intersectie.y))
{
lp.Add(new Point(Convert.ToInt32(intersectie.x), Convert.ToInt32(intersectie.y)));
}
}
}
lp = lp.OrderBy(p => p.Y).ToList();
return(lp.Last());
}
private static List <Segment> GetAllSegmentesThatAreIntersectedByASegment(Segment s)
{
var ls = new List <Segment>();
foreach (var seg in SegmentsManager.Segments)
{
var intersectie = new Intersectie(seg.A, seg.B, s.A, s.B);
if (intersectie.Intersectation())
{
ls.Add(seg);
}
}
foreach (var seg in PolygonManager.Contur.Segmente)
{
var intersectie = new Intersectie(seg.A, seg.B, s.A, s.B);
if (intersectie.Intersectation())
{
ls.Add(seg);
}
}
return(ls);
}
public static bool CheckIfTwoPointsIntersectOnlyASpecificSegment(Point a, Point b, Segment s)
{
Segment s1 = new Segment(a,b);
var ls = SegmentsManager.Segments;
foreach (var seg in ls.Where(seg => !seg.Egale(s1)))
{
if (!seg.Egale(s))
{
VerificaIntersectia = new Intersectie(seg.A, seg.B, s1.A, s1.B);
if (VerificaIntersectia.Intersectation())
return false;
}
}
return true;
}
private static List<Segment> GetAllSegmentesThatAreIntersectedByASegment(Segment s)
{
var ls = new List<Segment>();
foreach (var seg in SegmentsManager.Segments)
{
var intersectie = new Intersectie(seg.A, seg.B, s.A, s.B);
if (intersectie.Intersectation())
ls.Add(seg);
}
foreach (var seg in PolygonManager.Contur.Segmente)
{
var intersectie = new Intersectie(seg.A, seg.B, s.A, s.B);
if (intersectie.Intersectation())
ls.Add(seg);
}
return ls;
}
public static Point GetLastIntersectionPoint(Segment s)
{
var ls = GetAllSegmentesThatAreIntersectedByASegment(s);
var lp = new List<Point>();
foreach (var seg in ls)
{
var intersectie = new Intersectie(seg.A, seg.B, s.A, s.B);
if (intersectie.Intersectation())
{
intersectie.SetIntersectionPoint();
if (!double.IsNaN(intersectie.x) && !double.IsNaN(intersectie.y))
lp.Add(new Point(Convert.ToInt32(intersectie.x), Convert.ToInt32(intersectie.y)));
}
}
lp = lp.OrderBy(p => p.Y).ToList();
return lp.Last();
}