public static Wall2D GetWallBetweenTwoSegments(DirectionLineSegment segment1, DirectionLineSegment segment2)
{
DirectionLine line1Test = new DirectionLine(segment1.BeginPoint, new Vector2d((int)(segment1.EndPoint.X - segment1.BeginPoint.X), (int)(segment1.EndPoint.Y - segment1.BeginPoint.Y)));
DirectionLine line2Test = new DirectionLine(segment2.BeginPoint, new Vector2d((int)(segment2.EndPoint.X - segment2.BeginPoint.X), (int)(segment2.EndPoint.Y - segment2.BeginPoint.Y)));
List <double> line1Alphas = new List <double>();
line1Alphas.Add(line1Test.AlphaProjection(segment1.BeginPoint));
line1Alphas.Add(line1Test.AlphaProjection(segment1.EndPoint));
line1Alphas.Add(line1Test.AlphaProjection(segment2.BeginPoint));
line1Alphas.Add(line1Test.AlphaProjection(segment2.EndPoint));
if (line1Alphas[0] > line1Alphas[1])
{
double aux = line1Alphas[0];
line1Alphas[0] = line1Alphas[1];
line1Alphas[1] = aux;
}
if (line1Alphas[2] > line1Alphas[1] && line1Alphas[3] > line1Alphas[1] ||
line1Alphas[2] < line1Alphas[0] && line1Alphas[3] < line1Alphas[0])
{
return(null);
}
line1Alphas.Sort();
Vector2d p1 = line1Test.GetPointByPosition(line1Alphas[0]);
Vector2d p2 = line1Test.GetPointByPosition(line1Alphas[3]);
Vector2d p3 = line2Test.GetPointProjection(p2);
Vector2d p4 = line2Test.GetPointProjection(p1);
return(new Wall2D(new Vector2d[] { p1, p2, p3, p4 }, DirectionLine.GetMiddle(line1Test, line2Test)));
}
public DirectionLineSegment(DirectionLine line, double startAlpha, double endAlpha)
{
this.Line = line;
this.startAlpha = startAlpha;
this.endAlpha = endAlpha;
BeginPoint = line.GetPointByPosition(startAlpha);
EndPoint = line.GetPointByPosition(endAlpha);
this.Size = (BeginPoint - EndPoint).Magnitude;
}