DECALS how much is too much

HAWK12HT

Hi all, I would like to know about DECALS use in environments. My goal is to use lots of grunge, rust, oil, snow decals on my environment. The reason why i want to do it like this is I am limited to adding rust and grunge to my main texture as it will be used alot for making several meshes and i dont want to run into a problem where UVW share an area on texture with rust in middle of floor or roof etc. I hope you understand what i mean here .

So what you all think and how much will it affect performance in general.

Thanks

WarrenM

Which engine?

Ace-Angel

As long as they're not all in the view at the same time, and you're recycling the same textures, etc, you can get away alot.

Maybe not in the 100 region, but in many cases, you can easily be pushing around 40 decals per stage/scene/level with clever placing behind occludes and such.

Mark Dygert

WarrenMarshall wrote: »

Which engine?

Heh... considering its in the UDK sub-forum I would guess... UDK?

Also keep in mind that you can blend materials together in various ways using the material editor. 3DMotive.com has some great tutorials on using the material editor and blending materials.
http://www.3dmotive.com/training/udk/advanced-mesh-paint-with-udk/?follow=true

Xendance

UDN states they're about the same as static meshes performance wise.