Cheetah3D

Unity natively imports Cheetah3D files. To get started, simply place your.jas file in your project’s Assets folder. When you switch back into Unity, the scene is imported automatically and will show up in the Project View. To see your model in Unity, simply drag it from the Project View into the Scene View. Cheetah3D is a lean and fast 3D modelling, renderering and animation tool for Mac OS X with an easy learning curve. It offers many tools from powerful polygon editing over advanced subdivision surface modelling to HDRI and radiosity renderings.

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 Overview Description [[Image:Cheetah3d_logo.jpg|Cheetah3d_logo.jpg]]<br>'Cheetah3D provides the most useful features you need to get the job done, and organises them within a beautifully elegant user interface that's powerful, intuitive and quick to work with. Performing truly advanced operations in Cheetah3D will seem like second nature very rapidly. Cheetah3D packs a terrific punch for its tiny price. In fact, the program provides a level of productivity that you will be hard-pressed to equal in software ten times the cost!'URL: [http://www.cheetah3d.com http://www.cheetah3d.com] <br>Tutorials:* [http://www.cheetah3d.com/forum/showthread.php?t=1833 Master List of Tutorials on the Cheetah3D Forum]* [http://www.mac3dsoftware.com/cheetah3d-tutorials/ Video tutorials by Mac3DSoftware.com]Current Version: [http://www.cheetah3d.com/download.php http://www.cheetah3d.com/download.php]<br>Book: [http://loewald.com/c3dbook/ Learn 3D with Cheetah 3D 6]<br>Unity Documentation: [http://unity3d.com/Documentation/Manual/HOWTO-ImportObjectCheetah3D.html http://unity3d.com/Documentation/Manual/HOWTO-ImportObjectCheetah3D.html] Known Issues TBA Unity Scale Calibration 1 unit in cheetah = 1 unit in Unity Meshes (Modelling) Cheetah3d is a polygon/subdivision modelling app, with its own set of custom 'modifiers' Textures (UV's) Cheetah can create 2 UV sets per model, but can only display 1 at a time. It has full support for lightmapping, including radiosity, AO, and colour baking. Bones Cheetah supports Bones, Inverse kinematics. Animations Cheetah supports Unity friendly bone-based animation, and object based keyframing. It is fully capable of creating bone based animated characters for Unity. Integrates just fine with Mecanim. Exporting to Unity If you save your Cheetah files into your asset folder and have your textures there too, Unity will automatically link the texture to the model. Apply Unity shaders to suit (Lightmapping etc). Scene Cleanup What you see in cheetah is what you get in Unity, with the exception of cheetah's 'Smart Folders' Move objects outside of smartfolders before saving final asset to Unity project folder. Export For Unity to use Jas files it needs to have Cheetah3D on the same system. Unity uses Cheetah3D to convert the jas file to fbx.It is recommended to save files as native .jas format, for convinience. For files which may be edited in another app, export as .fbx (recommendation) Importing a Terrain Heightmap Getting a terrain heightmap exported properly can be a bit confusing. Hopefully this will help. * Export your terrain from the Unity: Terrain -> Export Heightmap RAW ( Select 8 bit, WINDOWS )* Open the resulting RAW file in Photoshop* Image -> Rotate Canvas -> Flip canvas Vertical* Image -> Rotate Canvas -> 180* Save as tiff (no compression, pixel order interleaved, MAC byte order )Now you can open Cheetah3d and import the terrain by creating a new Relief object ( Polygon -> Relief ) and selecting the tiff you exported previously as the texture for the relief. [[Category:3D Applications]]

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Cheetah3D creator Martin Wengenmayer appeared on the Cheetah3D forum recently and listed some of the features that we can expect to see in the upcoming Cheetah3D Version 7. Whilst there’s no release date yet, the new feature list does sound impressive…

New renderer
NGon booleans
Movie textures
Soft selections
Collada import
Layers
Big UI update
and much much more

There’s a few in there that I’m pretty excited about, and I must confess I do know of some other features that are planned too but I’m sworn to secrecy on them!

New Renderer

My knowledge of rendering isn’t the best and I’m not sure what to expect here. Could we finally see the much requested render preview?

NGon Booleans

This is a big one. Booleans have never been particularly useful in Cheetah3D as the meshes that you end up with are quite messy. It’s very hard to move on and continue modelling after you’ve used a boolean at present. All this is set to change though. I can actually see this changing the way I model completely.

Movie Textures

Personally I’ve never really needed movie textures. I think this is because I largely produce still images with Cheetah3D. I can see a huge benefit here though and it’s something I’ve seen requested in the forum a good few times over the years. The possibilities here seem pretty endless. Initially I was just thinking about things like TV screens, but actually it could go way further than this.

Soft Selections

Soft selections is something I’ve personally requested. I first encountered them in Silo and what a great feature it is. If you’ve never used it, it’s quite hard to explain but I’ll try anyway:- Soft selection allows you to select part of a model and then take an additional softer selection of it’s surrounding points. The softer selection has less influence but whatever you do (move, scale) still has an impact. It’s an absolute must if you’re doing any organic modelling.

Layers

Probably the most intriguing feature on the list. I’ve not seen layers in any 3D application before. I’m not saying they don’t exist but it’s not something that I’ve used and I struggle to even understand how it would work. I’ve seen rendering to layers before in Strata but I don’t think this is what Martin is talking about. If anyone can enlighten me, I’d really appreciate it!

UI Update

A UI update is a scary thing for me! Does it mean that my tutorial that are all done in v5 and 6 will need updating? I have no idea at this stage.

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That’s my thoughts. I’ve not mentioned the Collada import as I have no idea what Collada is really used for. Again I’m all ears if anyone wants to tell me!