Function generateStopLineRound

generateStopLineRound(
    numLanesIn: number,
    laneLinesRound: LaneStructure[],
    outerRadius: number,
): RingLaneStructure
Generate a curved stop-line arc for a roundabout exit spanning the inbound lanes.
Parameters
- numLanesIn: number
  number of inbound lanes
- laneLinesRound: LaneStructure[]
  lane line structures for roundabout arms
- outerRadius: number
  outer radius of the roundabout
Returns RingLaneStructure
the curved stop-line ring-lane structure
- Defined in includes/utils.ts:369