@phaserjs/phaser/math/vec4/Vec4Cross.js

Phaser 4

import { Vec4 } from "./Vec4";
export function Vec4Cross(u, v, w, out = new Vec4()) {
  const { x: ux, y: uy, z: uz, w: uw } = u;
  const { x: vx, y: vy, z: vz, w: vw } = v;
  const { x: wx, y: wy, z: wz, w: ww } = w;
  const A = vx * wy - vy * wx;
  const B = vx * wz - vz * wx;
  const C = vx * ww - vw * wx;
  const D = vy * wz - vz * wy;
  const E = vy * ww - vw * wy;
  const F = vz * ww - vw * wz;
  const G = ux;
  const H = uy;
  const I = uz;
  const J = uw;
  return out.set(H * F - I * E + J * D, -(G * F) + I * C - J * B, G * E - H * C + J * A, -(G * D) + H * B - I * A);
}