UNPKG

@fimbul-works/vec

Version:

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

github.com/fimbul-works/vec

fimbul-works/vec

7 lines (6 loc) • 287 B
1
2
3
4
5
6
7
/** * Calculates the angle between a 4D vector and the positive x-axis. * @param {ArrayVector4D} xyzw - Vector as `[x, y, z, w]` * @returns {number} The angle in radians */ export const angleX4D = (xyzw) => Math.atan2(Math.sqrt(xyzw[1] ** 2 + xyzw[2] ** 2 + xyzw[3] ** 2), xyzw[0]);