public Angle AngleBetweenPoints(Vector CenterPoint)
{
Vector endPointToCenter = new LineSegment(EndingPos, CenterPoint).TranlsateToVector();
Vector incomingVector = new LineSegment(EndingPos, StartingPos).TranlsateToVector();
if ((endPointToCenter.Magnitude() * incomingVector.Magnitude() == 0))
throw new DivideByZeroException();
double cosineOfTheAngle = (incomingVector * endPointToCenter) / (endPointToCenter.Magnitude() * incomingVector.Magnitude());
if (cosineOfTheAngle > 1 || cosineOfTheAngle < -1)
throw new Exception("Out of range of acos");
Angle angleToReturn = new Angle(Math.Acos(cosineOfTheAngle));
return angleToReturn;
}
internal Common.LineSegment GetReturnLine(LineSegment incoming)
{
if (overrideMagnitude == double.MinValue)
return new LineSegment(incoming.EndingPos, ReturnAngle, incoming.Magnitude());
else
return new LineSegment(incoming.EndingPos, ReturnAngle, overrideMagnitude); ;
}
