getCameraFrustum method

@override Future<Frustum> getCameraFrustum()

Implementation

@override
Future<Frustum> getCameraFrustum() async {
  if (_viewer == null) {
    throw Exception("No viewer available");
  }
  var arrayPtr = get_camera_frustum(_viewer!);
  var doubleList = arrayPtr.asTypedList(24);

  var frustum = Frustum();
  frustum.plane0.setFromComponents(
      doubleList[0], doubleList[1], doubleList[2], doubleList[3]);
  frustum.plane1.setFromComponents(
      doubleList[4], doubleList[5], doubleList[6], doubleList[7]);
  frustum.plane2.setFromComponents(
      doubleList[8], doubleList[9], doubleList[10], doubleList[11]);
  frustum.plane3.setFromComponents(
      doubleList[12], doubleList[13], doubleList[14], doubleList[15]);
  frustum.plane4.setFromComponents(
      doubleList[16], doubleList[17], doubleList[18], doubleList[19]);
  frustum.plane5.setFromComponents(
      doubleList[20], doubleList[21], doubleList[22], doubleList[23]);
  thermion_flutter_free(arrayPtr.cast<Void>());
  return frustum;
}