I must note that in mathematics the "cross product" is technically only defined for 3D vectors. In 3D it’s a vector perpendicular to vectors a and b, and its formula is:a × b = (a.y*b.z - a.z*b.y, a.z*b.x - a.x*b.z, a.x*b.y - a.y*b.x). As you can see,...