# glTF¶

glTF™ (GL Transmission Format) is a 3D format by KHRONOS, which is the specification of OpenGL.Version 2 was formulated in 2017.

VRM is a format based on glTF-2.0.

## UniGLTF¶

The UniGLTF contained in the UniVRM package can read and write the glTF file and the binary version of the glb file.

UniGLTF

UniVRM

Note

mesh(morph target, skinning)

material(pbr)

KHR_materials_emissive_strength from v0.99

material(unlit)

KHR_materials_unlit

material(MToon)

animation

Not supported by VRM

camera

Not supported by UniGLTF

## UniGLTF preference¶

Edit - Preferences - UniGLTF

### Lang¶

Display and message language switching for Unity Editor

### Default invert axis¶

glTF is in the right-handed coordinate system, while Unity is in the left-handed coordinate system.Z-axis inversion, X-axis inversion can be selected. For historical reasons (vrm-0.x is Z-axis inversion), the initial value is Z-axis inversion.

### Enable zip importer that contains gltf¶

Allows you to import if you have gltf in your zip archive. This is an experimental function.