Function rotate

rotate(out: polar.Polar, a: readonly [number, number], rad: number): polar.Polar
Rotates a Polar by an angle (in radians), wrapping theta into (-pi, pi].
Parameters
- out: polar.Polar
  the receiving Polar
- a: readonly [number, number]
  the source Polar
- rad: number
  the angle to add to theta
Returns polar.Polar
out
- Defined in core/polar.ts:111