@fimbul-works/vec/dist/cjs/2d/angle-y-2d.d.ts

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

import type { ArrayVector2D } from "./types.js";
/**
 * Gets the angle between a 2D vector and the positive y-axis in radians.
 * @param {ArrayVector2D} xy - Vector as `[x, y]`
 * @returns {number} Angle in radians, always in the range [0, 2π)
 */
export declare const angleY2D: (xy: ArrayVector2D) => number;