Function generateRoundaboutPathParts

generateRoundaboutPathParts(
    roundabout: Group,
    entry: { exitIndex: number; laneIndex: number },
    exit: { exitIndex: number; laneIndex: number },
    laneWidth: number,
    exitConfigs: ExitConfig[],
): InternalParts
Builds the three-phase path through a roundabout, including ring-lane selection and Bézier-based lane-change scheduling.
Parameters
- roundabout: Group
  The roundabout group.
- entry: { exitIndex: number; laneIndex: number }
  Entry exit and lane index.
- exit: { exitIndex: number; laneIndex: number }
  Exit exit and lane index.
- laneWidth: number
  Lane width in world units, used for lane-change arc length.
- exitConfigs: ExitConfig[]
  Exit configs for all arms of the roundabout.
Returns InternalParts
Approach, inside, and exit point arrays.
- Defined in includes/junctionmanagerutils/routing/junctionPaths.ts:152