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@fimbul-works/vec

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A comprehensive TypeScript vector math library providing 2D, 3D, and 4D vector operations with a focus on performance and type safety.

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import { magnitude3D } from "./magnitude-3d.js"; /** * Sets the magnitude (length) of a 3D vector, maintaining its direction. * @param {ArrayVector3D} xyz - Vector as `[x, y, z]` * @param {number} newMagnitude - New magnitude * @param {number} [m] - Optional current magnitude (default: `magnitude3D(xyz)`) * @returns {ArrayVector3D} The adjusted vector */ export const setMagnitude3D = (xyz, newMagnitude, m = magnitude3D(xyz)) => [(xyz[0] / m) * newMagnitude, (xyz[1] / m) * newMagnitude, (xyz[2] / m) * newMagnitude];