ON_OffsetCurveSDF Class Reference

#include <opennurbs_plus_implicitfn.h>

Inheritance diagram for ON_OffsetCurveSDF:

Public Member Functions
	ON_OffsetCurveSDF (const ON_Curve &curve, double distance)
double	Evaluate (const ON_3dPoint &pt, ON_3dVector &normal) const override
Public Member Functions inherited from ON_SignedDistanceFunction
	ON_SignedDistanceFunction ()

Additional Inherited Members
Public Attributes inherited from ON_SignedDistanceFunction
int	nEval

Constructor & Destructor Documentation

ON_OffsetCurveSDF()

ON_OffsetCurveSDF::ON_OffsetCurveSDF ( const ON_Curve &  curve, double  distance  )

inline

Member Function Documentation

Evaluate()

double ON_OffsetCurveSDF::Evaluate ( const ON_3dPoint &  p, ON_3dVector &  normal  ) const

overridevirtual

Evaluate the signed distance function Parameters: p [in] - the point to evaluate the SDF at normal [out] - normal at the closest point on the SDF such that closestPt = pt - dist*normal/normal.Length() Returns: the distance between the closest point and the input point. Remarks:

1. The returned distance can be ON_UNSET_VALUE when the SDF is unable to evaluate the distance
2. The returned normal is not unitized and can have (almost) zero length.

You should account for both cases when using the SDF.

Implements ON_SignedDistanceFunction.