message: Fix computeTangents
diff: @@ -800,7 +800,7 @@ void ResourceLoader::Impl::computeTangents(FFilamentAsset* asset) {
  } else {
  const cgltf_morph_target& morphTarget = prim.targets[morphTargetIndex];
  for (cgltf_size aindex = 0; aindex < morphTarget.attributes_count; aindex++) {
  - const cgltf_attribute& attr = prim.attributes[aindex];
  + const cgltf_attribute& attr = morphTarget.attributes[aindex];
  if (attr.index == 0) {
  accessors[attr.type] = attr.data;
  vertexCount = attr.data->count;
  