API Reference > geometry-core > CartesianGeometry > Vector3d > scaleToLength scaleToLength Method Return a (optionally new or reused) vector in the direction of this but with specified length. scaleToLength(length: number, result?: Vector3d): undefined | Vector3d Parameter Type Description length number desired length of vector result Vector3d optional preallocated result Returns - undefined | Vector3d Defined in geometry3d/Point3dVector3d.ts Line 986 Last Updated: 12 June, 2024