Here’s a little preview of something I’ve been working on. It still needs some features and clean-up, but I suspect it should be ready for sale in a week or two. I’m trying to figure out how much to sell it for. What sounds fair to you guys?
If there’s a good amount of interest in this, I might be inclined to hurry up with the development 
Thanks!
That looks really nice…Depending on the price i would be interested in purchasing it…Do you have any kind of feature list as of right now?
Not really a list, but I can tell you what it does:
You click on the tileset on the right, and can then paint in the scene. It will create multiple meshes per layer, by default in blocks of 10x10. I found this a good way to increase performance, having a mesh per tile was a bit too slow. This happens dynamically, so groups are added and removed when needed (empty groups are removed). Only tiles have polygons in the meshes, so no empty filler tiles that would kill your fillrate. You can see the groups in the hierarchy window in that screenshot.
You can also select multiple tiles. Right-click on the tileset to select an “empty” tile, for erasing.
It all happens in the editor, so after compiling no code will be running.
I plan to still add these features:
And also these, but probably not in the first version:
Later I plan to make a 2D physics editor to accompagny this, but that might be a different product. But the tile data is stored in a serialized array so you can create colliders yourself based on the tiles if you need that.
Wow, thats awesome
Looks cool ! Since I am working on something similar, I’m interested in this. Do you plan to release the source with it ?
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oxl
Thanks for your interest. I actually don’t think I can release something like this without the source code.
Wow nice work Smag, I’m interested in this as well. Looking forward to a release.
I’m in 
Does it go with SM2 as well? That would be awesome
Regards
I’m also interested in this (got no project for it yet, but I’m sure I could soon thing of one). Do you plan on getting it to work with SM2??
It shouldn’t conflict with SM2 at all. You just get a bunch of meshes, so it shouldn’t be a problem to add SM2 sprites on top of it.
It’s now feature-complete for a first version, so I’m just cleaning it up and will then look into how to actually get it on the asset store.
Have to write a little bit of documentation too, even though it’s very straightforward to use.
Does $50 seem like a reasonable price?
$50 is reasonable if you can integrate SM2 without a hitch.
+1
It’s been released: http://forum.unity3d.com/threads/72934-UniTile-2d-Tile-based-Map-Editor-within-Unity
Just not on the asset store yet.
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