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Your thoughts on 'multiple objects/same textures'

T

TheOptimist

Messages
70
Hi guys.

I'm about to start texturing my first real model, and am having some thoughts about the best way to do it. At the moment I'm in the 'conceptual' stage. So I'm going over how I want to do things before I do them.

I'm going to need some basic ---> advanced tutorials at some point, so if anyone has any to hand that they could link me to I'd be very grateful.

The point of this thread is actually see what people think of layering UVmaps so thehy use up less space on the texture sheet. For example - instead of doing 5 seperate textures for button and using up 5 different spaces on the texture sheet, lay each map on top of one another with a bit of rotation etc then just plonk one common texture on all of them. I'd done a little picture to help explain what I mean;

Instead of;



Do this;



I suppose the critical disadvantage of this is that repainters can't touch it, or if they do everything within the texture will be changed. The critical advantage is that it allows you higher resolutions for certain items and uses up less valuable space on the texture sheet.

I'm thinking about doing this selectively, in terms of being careful how I use this technique. On the bits where repainters might be interested I won't do it.

Does anyone do this? Any thoughs?
 
I do that all the time for parts that actually are otherwise identical...

I'm a very strong proponent of "do something once" and then reduce, reuse and recycle as needed... :D
 
Same here, I'm also doing this all the time.

In terms of textures and materials, I'm sticking to the "as little as possible for as much as possible".
Since every new material creates new drawcalls, space on textures is getting very precious.

For example, one of my current projects (an aircraft) uses three 2048*2048 texture sheets for 243 objects. If I hadn't mapped any parts sharing the same color on a single texture "blob" on my main texture sheet, I would have maybe five to six materials now which would equal a higher strain on FSX performance.

Take the landing gear for example. The struts are usually all painted in the same (dull) gray color, so why not combine their UVW maps on a single dull gray color blob on your main texture sheet? It most probably won't get repainted into individual colors anyways!

What I want to say is: If it doesn't warrant an individual repaint, combine it.
 
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