private IVector GetClosingVector(List <IVector3D> TraverseCourses, IPoint StartPoint, IPoint EndPoint, out double SUMofLengths)
{
IVector SumVec = null;
SUMofLengths = 0;
for (int i = 0; i < TraverseCourses.Count - 1; i++)
{
if (i == 0)
{
SUMofLengths = TraverseCourses[0].Magnitude + TraverseCourses[1].Magnitude;
SumVec = TraverseCourses[0].AddVector(TraverseCourses[1]);
}
else
{
IVector3D SumVec3D = SumVec as IVector3D;
SUMofLengths += TraverseCourses[i + 1].Magnitude;
SumVec = SumVec3D.AddVector(TraverseCourses[i + 1]);
}
}
double dCalcedEndX = StartPoint.X + SumVec.ComponentByIndex[0];
double dCalcedEndY = StartPoint.Y + SumVec.ComponentByIndex[1];
IVector3D CloseVector3D = new Vector3DClass();
CloseVector3D.SetComponents(dCalcedEndX - EndPoint.X, dCalcedEndY - EndPoint.Y, 0);
IVector CloseVector = CloseVector3D as IVector;
return(CloseVector);
}
