fractionToPointAndDerivative Method
Construct a ray with
- origin at the fractional position along the arc
- direction is the first derivative, i.e. tangent along the curve
fractionToPointAndDerivative(fraction: number, result?: Ray3d): Ray3d
| Parameter | Type | Description |
|---|---|---|
| fraction | number | |
| result | Ray3d |
Returns - Ray3d
Defined in
- bspline/BSplineCurve.ts Line 138
Last Updated: 30 November, 2023