getCameraPosition method

@override Future<Vector3> getCameraPosition()

Implementation

@override
Future<Vector3> getCameraPosition() async {
  if (_viewer == null) {
    throw Exception("No viewer available");
  }
  var arrayPtr = get_camera_model_matrix(_viewer!);
  var doubleList = arrayPtr.asTypedList(16);
  var modelMatrix = Matrix4.fromFloat64List(doubleList);

  var position = modelMatrix.getColumn(3).xyz;

  thermion_flutter_free(arrayPtr.cast<Void>());
  return position;
}