Function rotate

rotate(pt, amountRadian, origin?): Point
Rotate a single point by a given amount in radians
Parameters
- pt: Point
- amountRadian: number
- Optionalorigin: Point
Returns Point
rotate(pt, amountRadian, origin?): ReadonlyArray<Point>
Rotate several points by a given amount in radians
Parameters
- pt: readonly Point[]
  Points
- amountRadian: number
  Amount to rotate in radians. If 0 is given, a copy of the input array is returned
- Optionalorigin: Point
  Origin to rotate around. Defaults to 0,0
Returns ReadonlyArray<Point>