@fimbul-works/vec/dist/esm/4d/set-magnitude-4d.js

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

import { magnitude4D } from "./magnitude-4d.js";
/**
 * Sets the magnitude of a 4D vector while maintaining its direction.
 * @param {ArrayVector4D} xyzw - Vector as `[x, y, z, w]`
 * @param {number} newMag - The new magnitude
 * @param {number} [m] - Optional current magnitude (default: `magnitude4D(xyzw)`)
 * @returns {ArrayVector4D} Vector with the new magnitude
 */
export const setMagnitude4D = (xyzw, newMag, m = magnitude4D(xyzw)) => [
    (xyzw[0] / m) * newMag,
    (xyzw[1] / m) * newMag,
    (xyzw[2] / m) * newMag,
    (xyzw[3] / m) * newMag,
];