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https://nimadez.github.io/voxel-builder/

Voxel-based 3D modeling application
https://nimadez.github.io/voxel-builder/

3d babylon-js bvh electron glsl gltf hdri magicavoxel modeling painting path-tracing symmetry terrain three-js voxel-generator voxelization voxelizer voxels webgl

Last synced: 7 days ago
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Voxel-based 3D modeling application

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# Voxel Builder



![screenshot](media/screenshot.jpg?raw=true "Screenshot")



Voxel-based 3D modeling application


[https://nimadez.github.io/voxel-builder/](https://nimadez.github.io/voxel-builder/)



```Version 4.3.1 Beta```


[Changelog](https://github.com/nimadez/voxel-builder/blob/main/CHANGELOG.md)



[Installation](https://github.com/nimadez/voxel-builder#installation)


[Documentation](https://github.com/nimadez/voxel-builder/wiki)


[Known Issues](https://github.com/nimadez/voxel-builder#known-issues)


[FAQ](https://github.com/nimadez/voxel-builder#faq)



## Features



**File I/O**

- Save and load JSON [?](https://github.com/nimadez/voxel-builder/wiki/File-Format)

- Import MagicaVoxel VOX

- Export to GLB, GLTF, OBJ, STL [?](https://github.com/nimadez/voxel-builder/wiki/project)

- Local storages, quicksave, undo



**Model and Paint**

- Generators *(terrain, cube, sphere, isometric...)*

- Interactive modeling toolsets [?](https://github.com/nimadez/voxel-builder/wiki/model)

- Symmetric drawing and painting

- Color groups and transform tools

- High performance GPU picking system



**Rendering**

- High performance voxel engine

- Real-time GPU path tracing [?](https://github.com/nimadez/voxel-builder/wiki/render)



**Voxelization**

- Bvh voxelization method

- 3D model voxelizer [?](https://github.com/nimadez/voxel-builder/wiki/Voxelization)

- Image voxelizer



**Export Meshes**

- Bake voxels to editable meshes [?](https://github.com/nimadez/voxel-builder/wiki/export)

- Bake voxels by color groups

- Unbake meshes to voxels

- glTF compatible editor



**Extensibility**

- ES modules [?](https://github.com/nimadez/voxel-builder/wiki/Modules)

- WebSockets client [?](https://github.com/nimadez/voxel-builder/wiki/WebSocket-Client)

- User startup project

- Blender importer script



**More**

- Minimum dependency, portable, online and offline

- Ad-free, no trackers, no logging

- Extras [?](https://github.com/nimadez/voxel-builder/wiki/Extras)



## Installation

Install [Electron](https://github.com/electron/electron/releases) for Linux or Windows

```

electron-v*-linux-x64.zip

electron-v*-win32-x64.zip

```

Get and run Voxel Builder

```

git clone https://github.com/nimadez/voxel-builder.git

cd voxel-builder

electron .

```

Update to the latest version

```

cd voxel-builder

python3 update.py

```



## Supported Browsers

- Electron *(recommended)*

- Google Chrome

- Mozilla Firefox *(with minor CSS issues)*

> - PWA A2HS-ready *(add to home screen)*

> - Tablets with a stylus or Wacom recommended for best experience

> - Voxel Builder has not been fully tested on mobile devices



## Known Issues

Higher than 512K is not recommended

```

Electron is recommended for working with a large number of voxels



Higher values can have the following problems:

- Unable to quick-save baked meshes (DOMException: exceeded the quota)

- Intolerable delay when starting the real-time renderer

- Chrome tab may freeze or crash



Of course, the number of voxels is unlimited,

I have rendered up to 1 million voxels.

```

Failed to import GLB meshes for voxelization

```

Multiple meshes need to have the same properties or they won't merge,

the only solution is to merge meshes before exporting to GLB.

```

Visual artifacts and Moire patterns

```

These are related to thin-instances and nothing special can be done at this time.

```



## FAQ

How to merge vertices after export to GLB?

```

1- Open exported GLB file in Blender

2- Go to "Modeling" tab and choose vertex selection mode

3- Select all vertices (Ctrl + A)

4- Mesh > Clean Up > Merge by Distance

```

How to run Blender importer script?

```

1- Save project to JSON

2- Open Blender and go to "Scripting" tab

3- Click "Open" and select "blender-importer.py"

4- Run the script and select a JSON file

```



## History

```

↑ Voxel engine updated to thin-instances

↑ Cut half precision (new scene)

↑ Real-time GPU path tracing

↑ Introducing ES modules

↑ Stable beta release

↑ Advancing to the next level (bakery)

↑ Major code rewrite (functions to classes)

↑ Features and uix overhaul

↑ New SPS particles to build the world

↑ I wrote a playground for learning Babylon.js

```



Version 3.0.0 *(BJS 4)* to 4.2.2 *(BJS 6)*


![screenshot](media/devshots.jpg?raw=true "Screenshot")



## License

Code released under the [MIT license](https://github.com/nimadez/voxel-builder/blob/main/LICENSE).



## Credits

- [Babylon.js](https://www.babylonjs.com/)

- [Three.js](https://threejs.org/)

- [Three-mesh-bvh](https://github.com/gkjohnson/three-mesh-bvh)

- [Electron](https://www.electronjs.org/)

- [MagicaVoxel](https://ephtracy.github.io/)

- [Google Material Icons](https://github.com/google/material-design-icons)

- [Blender](https://blender.org/)

- [Sketchfab](https://sketchfab.com/)

- [KhronosGroup](https://github.com/KhronosGroup/)

- [Shadertoy](https://www.shadertoy.com/)

- [vengi](https://mgerhardy.github.io/vengi/)

#

- [Allen Hastings](https://www.linkedin.com/in/allenhastings)

- [David Catuhe](https://twitter.com/deltakosh)

- [Erich Loftis](https://github.com/erichlof)

- [Eric Heitz](https://eheitzresearch.wordpress.com/772-2/)

- [Evan Wallace](https://github.com/evanw)

- [Garrett Johnson](https://github.com/gkjohnson)

- [Inigo Quilez](https://www.iquilezles.org/)

- [knightcrawler25](https://github.com/knightcrawler25)

- [Mr.doob](https://mrdoob.com/)

#



###### Available in [Babylon.js community demos](https://www.babylonjs.com/community/)