Position.fromJson constructor
Creates a Position from a JSON map.
Implementation
factory Position.fromJson(Map<String, dynamic> json) {
return Position.fromCoordinates(
(json['x'] as num?)?.toDouble() ?? 0.0,
(json['y'] as num?)?.toDouble() ?? 0.0,
(json['z'] as num?)?.toDouble() ?? 0.0,
);
}