Function getStructureData

getStructureData(
    group: Group,
):
    | {
        id: string;
        maxDistanceToStopLine: number;
        type: JunctionObjectTypes;
    }
    | null
Extract structure metadata from a junction group's userData. Handles intersection, roundabout, and link formats.
Parameters
- group: Group
  the Three.js group for the junction object
Returns { id: string; maxDistanceToStopLine: number; type: JunctionObjectTypes } | null
the structure metadata, or null if unrecognised
- Defined in includes/utils.ts:592