Ive just run a series of pretty exhaustive tests with simplygon 10 vs manual lods on a load of characters (we already know it can't cope with hard surface meshes so didn't bother there) TLDR : You'll get a better looking result doing it by hand for the same geometry cost - especially on the lowest lods Simplygon still…
Unreal doesn't use simplygon - you can plug it in but the default is just a rudimentary (shite) decimator ok so.. this is a gross oversimplification but hopefully gets the point across The primary function of LODs is to reduce the amount of stuff on screen that your machine has to process so that it can draw frames more…