TArray<int32> ABenchmark::M_CleanGetInstancesOverlappingBox(const FBox& InBox, bool bBoxInWorldSpace, UInstancedStaticMeshComponent* ISMToAnalyze, UInstancedStaticMeshComponent* ISMRef) const
{
    TArray<int32> Result;
    if (UStaticMesh* Mesh = ISMRef->GetStaticMesh())
    {
        FBox Box(InBox);
        if (bBoxInWorldSpace)
        {
            Box = Box.TransformBy(ISMRef->GetComponentTransform().Inverse());
        }
        FTransform ComponentTransform = ISMToAnalyze->GetComponentTransform();
        const FVector StaticMeshBoundsExtent = Mesh->GetBounds().BoxExtent;
        for (int32 Index = 0; Index < ISMToAnalyze->PerInstanceSMData.Num(); Index++)
        {
            const FMatrix& Matrix2 = ISMToAnalyze->PerInstanceSMData[Index].Transform;
            FVector WorldPosition = ComponentTransform.TransformPosition(Matrix2.GetOrigin());

            FBox InstanceBox(WorldPosition - StaticMeshBoundsExtent, WorldPosition + StaticMeshBoundsExtent);
            if (Box.Intersect(InstanceBox))
            {
                Result.Add(Index);
            }
        }

    }
    return Result;
}