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Can I open a version of my app built with either 2.6 or 1.7 in Unity 3 and then reopen it again in the earlier version?
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WARNING!! NO! DO NOT DO IT! Once opened with Unity3 scenes are effectively destroyed for use in earlier versions, specifically in my case Unity2.6 and 1.7. Only copies that have not been opened with Unity3 can be opened by earlier versions. Sorry if this is common knowledge but I've heard from enough people that this is happened too that I wanted to plainly put it out there, hopefully easy to find.
Oct 24 '10 at 08:39 PM
Goody!
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It is not possible. When you open a project from an older version of Unity with Unity 3, it says "Upgrading project! This completely changes the project's organization (in /Library/) to suit Unity 3, so the project will not work with older versions of Unity anymore. But on the other hand, why use Unity 2.6 or 1.7 when you can use Unity 3? ;) Because it costs one person around 3000 dollars to make an Iphone game with it.
Oct 24 '10 at 08:41 PM
Goody!
OK. Then, I agree. :)
Oct 24 '10 at 09:01 PM
BinaryCaveman
@Goody: it costs $400 to make an iPhone game if you're buying new, and upgrading from Unity iPhone 1.7 is $200. If you have Pro, then upgrading is $1500.
Nov 22 '10 at 06:48 PM
Eric5h5
Thanks for the clarification Eric. Yeah, you're right. I needed Unity 3 to access features with Bradey's GuiManager and in purchasing it found that you didn't have to buy Pro like it seemed everyone said you did. I wish I'd known that sooner. :)
Jan 12 '11 at 12:31 AM
Goody!
Wow, I misspelled Bradey's. Sorry Brady! Love SpriteManager and GUIManager! :)
Jan 12 '11 at 12:38 AM
Goody!
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Well,I find many shaders used in earlier version don't work in 3.0,Such as AlphaDiffuse2sided and glass shader. First, this is not really an answer - you should post comments like these by clicking "add comment" below the asker's question. Secondly, shaders like these work, but might have been replaced with a new, improved one in Unity 3.
Nov 23 '10 at 02:40 AM
BinaryCaveman
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