@fimbul-works/vec/dist/esm/2d/normalize-2d.js

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

import { magnitude2D } from "./magnitude-2d.js";
/**
 * Normalize a 2D vector.
 * @param {ArrayVector2D} xy - Vector as `[x, y]`
 * @param {number} [m] - Optional current magnitude (default: `magnitude2D(xy)`)
 * @returns {ArrayVector2D} The normalized vector
 */
export const normalize2D = (xy, m = magnitude2D(xy)) => m === 0 ? [0, 0] : [xy[0] / m, xy[1] / m];