How to handle assets for retina/non-retina?

Unity Engine
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1

I come from a 2D background having developed with Cocos2D earlier.

Just started 3D dev work with Unity. I was curious, how retina/non retina is handled in Unity?

Should i just scale my models to 2X for retina screens? Does it affect performance or quality if i do so? What is the preferred way of handling 3D assets for iOS?

Regards,
Manish

2

It depends about what kind of game you are creating. If you want e.g. pixel accurate 2D platformer, then you might want to use different assets for every resolution. But if you are just texturing 3D models, I would say you can use same assets on all devices.