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https://github.com/raphael-ernaelsten/Texture3DPreview-for-Unity

This package enables interactive previews of Texture3D assets in Unity's Inspector window. You can directly download the Unity package in the Release section (https://github.com/raphael-ernaelsten/Texture3DPreview-for-Unity/releases)
https://github.com/raphael-ernaelsten/Texture3DPreview-for-Unity

Last synced: 3 months ago
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This package enables interactive previews of Texture3D assets in Unity's Inspector window. You can directly download the Unity package in the Release section (https://github.com/raphael-ernaelsten/Texture3DPreview-for-Unity/releases)

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README 

        
# **[Texture3D](https://docs.unity3d.com/ScriptReference/Texture3D.html) preview for [Unity](https://unity3d.com)**



## This package enables interactive previews of [Texture3D](https://docs.unity3d.com/ScriptReference/Texture3D.html) assets in Unity's Inspector window.



**[You can directly download the Unity package by clicking here or by going in the Release section](https://github.com/raphael-ernaelsten/Texture3DPreview-for-Unity/releases)**



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### Previews and thumbnails of [Texture3D](https://docs.unity3d.com/ScriptReference/Texture3D.html) asset



When importing the Texture3D asset, Unity will automatically render a preview of the Texture3D to display in the Project window.



![Texture3D asset thumbnail](https://i.imgur.com/K9IhLF3.jpg)



When selecting a Texture3D asset in the Project windows, Unity will display an preview of the Texture3D in the Inspector.



![Texture3D asset preview](https://i.imgur.com/Lm5Kykw.gif)



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### Previews of a [Texture3D](https://docs.unity3d.com/ScriptReference/Texture3D.html) field on a GameObject's component



To enable Texture3D field preview on a GameObject's component, add 



    [Texture3DPreview]

in front of the declared field.



![Texture3D field preview in Inspector](https://i.imgur.com/ru8u1qK.gif)



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### Requirements 



 - Shader model 3 capable graphic card

 - Unity 2017.1+



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### TODO 



 - Preview non uniform Texture3D in their respective ratio (currently all previews will be cube)

 - Add alpha blend mode for rendering previews



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### Know issues / limitations



 - Previews are currently in additive mode

 - Previews of multiples Texture3D assets don't work

 - Sometimes, the preview of a Texture3D field becomes empty



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### Contact



Feel free to contact me for any comment or suggestion. Twitter : @raphernaelsten



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### Acknowledgment



The sample Texture3D asset provided with this package was made using [MRI scans found on this website](https://neil.fraser.name/news/2007/11/19/).



Here's the process :

 - selected [the right-to-left gif](https://neil.fraser.name/news/2007/RL.gif)

 - rescaled it to 128x128 and extracted all the frames using [VirtualDub](http://www.virtualdub.org/)

 - used [Unity's VFX Toolbox Image Sequencer](https://forum.unity.com/threads/release-thread-vfx-toolbox-image-sequencer.438465/) to resample the frames count and lay them on an images sheet

 ![Images sheet](https://i.imgur.com/hJvhZ78.jpg)

 - used a custom tool to build a Texture3D (basically create a Texture3D with the correct size then copy the images from the sheet as slices) from this sheet and save it as an asset