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One object or multi objects, UV and resolution selection question??

Hi there I'm not sure anyone has asked this topic already or i didn't find it but I going to ask it again.

For example: If i want to make a basic hammer and import to unity.
 
As my Topic should I make top metal and handle wood all in one object, or I should make it separate  to two object?? or it doesn't matter??

Make one UV layout with 1024 resolution or make two UV layout with 512. (Same density) 

I just want to know which way will be efficient for Unity engine to run.

Thanks guys. 

Replies

  • Eric Chadwick
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    One material for the whole model is best. 

    If you have alpha blending on any part of the model, like if you had pieces of glass embedded in the wood, then those should be a separate material because alpha blending is fairly expensive to render.
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