fractionToPointAndUnitTangent Method
Returns a ray whose origin is the curve point and direction is the unit tangent.
fractionToPointAndUnitTangent(fraction: number, result?: Ray3d): Ray3d
| Parameter | Type | Description |
|---|---|---|
| fraction | number | fractional position on the curve |
| result | Ray3d | optional preallocated ray. |
Returns - Ray3d
Defined in
- curve/CurvePrimitive.ts Line 145
Last Updated: 24 June, 2025
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