public static void SetPerpednicular(Edge siblingEdge, Edge currentEdge, Edge nextEdge)
{
Vertice start = currentEdge.Start;
Vertice middle = currentEdge.End;
Vertice end = nextEdge.End;
double d = DistanceHelpers.GetEdgeLength(siblingEdge);
(double, double)line = Line.GetStraightLine(siblingEdge.Start, siblingEdge.End);
(Vertice, Vertice)vertices;
if (line.Item1 == 0)
{
vertices = (new Vertice(start.x, start.y - (int)d), new Vertice(start.x, start.y + (int)d));
}
else if (line.Item1 > int.MaxValue - 100 || line.Item1 < int.MinValue + 100)
{
vertices = (new Vertice(start.x - (int)d, start.y), new Vertice(start.x + (int)d, start.y));
}
else
{
(double, double)perpendicularLine = Line.GetPerpendicularThroughPoint(line, start);
vertices = PointHelpers.GetPointFromLineDistanceAndPoint(perpendicularLine, d, start);
}
Vertice resultVertice = DistanceHelpers.GetCloserVerticeFromVertice(vertices, middle);
PointHelpers.SetPointXY(middle, resultVertice.x, resultVertice.y);
}
public static void SetAsTriangleLength(double d, Edge currentEdge, Edge nextEdge)
{
Vertice start = currentEdge.Start;
Vertice middle = currentEdge.End;
Vertice end = nextEdge.End;
double d2 = DistanceHelpers.GetEdgeLength(nextEdge);
double distance = DistanceHelpers.DistanceBetween(start, end);
double triangleArea = Triangle.TriangleArea(d, d2, distance);
Vertice missingPoint = Triangle.GetPointFromTriangleArea(triangleArea, start, end, d, d2);
if (missingPoint.x < int.MinValue + 100 || missingPoint.y > int.MaxValue - 100 || missingPoint.y < int.MinValue + 100 || missingPoint.y > int.MaxValue - 100)
{
int xdddd = 2;
}
PointHelpers.SetPointXY(middle, missingPoint.x, missingPoint.y);
}
public bool IsEqualRelation(Edge e1, Edge e2)
{
//Because of unencountered exceptions sometimes xD
if ((int)DistanceHelpers.GetEdgeLength(e1) - (int)DistanceHelpers.GetEdgeLength(e2) == int.MinValue)
{
return(false);
}
int dist = Math.Abs((int)DistanceHelpers.GetEdgeLength(e1) - (int)DistanceHelpers.GetEdgeLength(e2));
if (dist < CONST.differenceToMakeEdgesEqual)
{
return(true);
}
else
{
return(false);
}
}
public static void SetPerpednicularNextEqual(Edge siblingEdge, Edge currentEdge, Edge nextEdge)
{
Vertice start = currentEdge.Start;
Vertice middle = currentEdge.End;
Vertice end = nextEdge.End;
double d = DistanceHelpers.GetEdgeLength(siblingEdge);
double d2 = DistanceHelpers.GetEdgeLength(nextEdge);
(double, double)line = Line.GetStraightLine(siblingEdge.Start, siblingEdge.End);
(double, double)distanceLine = Line.GetStraightLine(start, end);
(Vertice, Vertice)vertices = (null, null);
if (line.Item1 != 0 && line.Item1 < int.MaxValue - 100 && line.Item1 > int.MinValue + 100)
{
(double, double)perpendicularLine = Line.GetPerpendicularThroughPoint(line, start);
if (d2 < Line.DistanceVerticeFromLine(perpendicularLine, end))
{
d2 = Line.DistanceVerticeFromLine(perpendicularLine, end) + 1;
}
double cos = Angle.GetCosinusFromBetween(perpendicularLine, distanceLine);
double sqrtDelta = Math.Sqrt(Math.Pow(2 * d * cos, 2) - 4 * (d * d - d2 * d2));
double x1 = (2 * d * cos - sqrtDelta) / 2;
double x2 = (2 * d * cos + sqrtDelta) / 2;
double x = Math.Min(x1, x2);
if (x < 0)
{
x = Math.Max(x1, x2);
}
vertices = PointHelpers.GetPointFromLineDistanceAndPoint(perpendicularLine, x, start);
Vertice resultVertice = DistanceHelpers.GetCloserVerticeFromVertice(vertices, end);
PointHelpers.SetPointXY(middle, resultVertice.x, resultVertice.y);
}
else
{
SetPerpednicularNextPerpendicular(siblingEdge, currentEdge, nextEdge);
}
}