>>64467667
Yes I have.

>https://sourceforge.net/p/chaos
>esqueanthology/xonotic-data.pk3dir/ci/master/tree/qcsrc/server/w_nukelayer.qc
>https://sourceforge.net/p/chaos
>esqueanthology/xonotic-data.pk3dir/ci/master/tree/qcsrc/server/mutators/mutator_spawnvehicles.qc

The swan device is called such because it consists of 2 abutted logarithmic curves much like 2 swans wings.