/// <summary>
/// Extend member by changing web axis start point. Adjust operations accordingly.
/// </summary>
/// <param name="newStartPoint"></param>
internal void SetWebAxisStartPoint(Geo.Point newStartPoint)
{
// Create new axis
Geo.Line newAxis = Geo.Line.ByStartPointEndPoint(newStartPoint, _webAxis.EndPoint);
// Compute new locations for operations relative to new axis
foreach (hOperation op in operations)
{
Geo.Point opPoint = _webAxis.PointAtParameter(op._loc / _webAxis.Length);
double newLoc = newAxis.ParameterAtPoint(opPoint) * newAxis.Length;
op._loc = newLoc;
}
// Set new axis
_webAxis = newAxis;
}
internal void Setup()
{
_currentParameter = 0.5;
Geo.Vector edgeVector = Geo.Vector.ByTwoPoints(_edge.StartPoint, _edge.EndPoint);
_lineDirectionA = _faceNormalA.Cross(edgeVector);
_lineDirectionB = (_isNaked) ? null : _faceNormalB.Cross(edgeVector);
_lineA = Geo.Line.ByStartPointDirectionLength(_edge.PointAtParameter(_currentParameter), _lineDirectionA, 1);
_lineB = (_isNaked) ? null : Geo.Line.ByStartPointDirectionLength(_edge.PointAtParameter(_currentParameter), _lineDirectionB, 1);
_isFlat = (_isNaked) ? false : _faceNormalA.Normalized().Dot(_faceNormalB.Normalized()) == 1;
}