fractionToPointAnd2Derivatives Method

Return a plane with

• origin at fractional position along the curve
• vectorU is the first derivative, i.e. tangent vector with length equal to the rate of change with respect to the fraction.
• vectorV is the second derivative, i.e.derivative of vectorU.

fractionToPointAnd2Derivatives(activeFraction: number, result?: Plane3dByOriginAndVectors): undefined | Plane3dByOriginAndVectors

Returns - undefined | Plane3dByOriginAndVectors

Defined in

• curve/spiral/DirectSpiral3d.ts Line 579

Last Updated: 11 June, 2024