Contents

parametricValue(_:offsetByDistance:)

Returns a parametric value on the B-spline that’s a specified distance from the given parametric value.

Declaration

func parametricValue(_ parametricValue: CGFloat, offsetByDistance distanceStep: CGFloat) -> CGFloat

Parameters

  • parametricValue:

    The floating point [0, count-1] parametric value.

  • distanceStep:

    The distance to offset parametricValue; distanceStep can be positive or negative.

Return Value

A parametric value offset by distanceStep from parametricValue.

See Also

Accessing and interpolating points