def cross_tuple(self, other):

        x, y, z = self._v
        bx, by, bz = other
        return ( y*bz - by*z,
                 z*bx - bz*x,
                 x*by - bx*y )
Returns the cross product of this vector with another, as a tuple.
dataset/ETHPy150Open PythonProgramming/Beginning-Game-Development-with-Python-and-Pygame/Chapter 10/gameobjects/vector3.py/Vector3.cross_tuple