loadGltf method
Implementation
@override
Future<ThermionEntity> loadGltf(String path, String relativeResourcePath,
{bool force = false}) async {
final pathPtr = path.toNativeUtf8(allocator: allocator).cast<Char>();
final relativeResourcePathPtr =
relativeResourcePath.toNativeUtf8(allocator: allocator).cast<Char>();
var entity = await withIntCallback((callback) => load_gltf_ffi(
_sceneManager!, pathPtr, relativeResourcePathPtr, callback));
allocator.free(pathPtr);
allocator.free(relativeResourcePathPtr);
if (entity == _FILAMENT_ASSET_ERROR) {
throw Exception("An error occurred loading the asset at $path");
}
_scene!.registerEntity(entity);
return entity;
}