Metal Shader v1.3

Here's a metal shader I've been working on for a couple of days, to replace my old shader I've been using for years.

Here's a metal shader I've been working on for a couple of days, to replace my old shader I've been using for years.

Change logv1.0 - Initial release

v1.1 - Exposed the Metalness property

v1.2 -

a) Added several outputs to ease of use

b) Changed default bump values to be more realistic

v1.3 -

a) Now uses the new Metallic BSDF node for metal parts

b) Changed the way edges in Edge Wear is calculated

c) Added a dirt/rust layer option

d) Cleaned up node-spaghetti