[UE4] Material function pack - Wip

Gathering more and more examples, fixing up/tweaking/adding to material functions to really get the most oomph out of this pack.
The pack will contain the mat functions, but also a lot of documentation and tips for fellow artists to go trough :)

Links:

[relentlessrolento]

Is there the possibility for a Iridescence function to be included? The marketplace lacks one and it is sorely needed