Function copy

copy(out: spherical.Spherical, a: spherical.Spherical): spherical.Spherical
Copies values from one Spherical to another
Parameters
- out: spherical.Spherical
  the receiving Spherical
- a: spherical.Spherical
  the source Spherical
Returns spherical.Spherical
out
- Defined in core/spherical.ts:52