ElHacker / GLTFUtility

Lightweight GLTF importer for Unity

GLTFUtility

Allows you to import and export glTF files during runtime and in editor. glTF is a new opensource 3d model transmission format which supports everything you'll ever need from a format in Unity. Read more about glTF here

What makes GLTFUtility different?

Focusing on simplicity and ease of use, GLTFUtility aims to be an import-and-forget solution, keeping consistency with built-in functionality.

Installation

1. GLTFUtility requires Newtonsoft Json to be installed in your project.

   • Official upm package: "com.unity.nuget.newtonsoft-json": "2.0.0-preview",
   • Unofficial Asset Store: link
   • Unofficial git repo: link

2. Choose one of the following:

   • Download .zip and extract to your project assets
   • Download latest .unitypackage and unpack to your projects assets
   • (git) Clone into your assets folder git clone [e-mail]:Siccity/GLTFUtility.git
   • (git) Add repo as submodule git submodule add [e-mail]:Siccity/GLTFUtility.git Assets/Submodules/GLTFUtility
   • (package) If using Unity 2018.3 or later, you can add a new entry to the manifest.json file in your Packages folder "com.siccity.gltfutility": "https://github.com/siccity/gltfutility.git" Manual

NOTICE This is a work in progress. Expect bugs. Current features can be tracked below:

Features

• Editor import
• Editor export
• Runtime import API
• Runtime export API
• Static mesh (with submeshes)
• UVs (up to 8 channels)
• Normals
• Tangents
• Vertex colors
• Materials (metallic/specular, opaque/mask/blend)
• Textures (embedded/external)
• Remote textures (during async only)
• Rig
• Animations (multiple)
• Morph targets
• Cameras
• Lights
• Draco compression
• Multithreading
• GLTF format
• GLB format

Runtime import API

// Single thread
using Siccity.GLTFUtility;

void ImportGLTF(string filepath) {
   GameObject result = Importer.LoadFromFile(filepath);
}

// Multithreaded
using Siccity.GLTFUtility;

void ImportGLTFAsync(string filepath) {
   Importer.ImportGLTFAsync(filepath, new ImportSettings(), OnFinishAsync);
}

void OnFinishAsync(GameObject result) {
   Debug.Log("Finished importing " + result.name);
}