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VRM loader and VRM renderer (3D model / gltf)

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tattn/VRMKit

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VRM loader and VRM renderer
license:MIT

demodemo

For "VRM", please refer tothis page.

Features

  • Load VRM file
  • Render VRM models on SceneKit (experimental)
  • Face morphing (blend shape)
  • Bone animation (skin / joint)
  • Physics (spring bone)

Requirements

  • Swift 5.7+
  • iOS 15.0+
  • watchOS 8.0+ (Experimental)

Installation

Swift Package Manager

You can install this package with Swift Package Manager.

Carthage & CocoaPods (Deprecated)

If you want to use these package managers, please usehttps://github.com/tattn/VRMKit/releases/tag/0.4.2

Usage

Load VRM

import VRMKitletvrm=tryVRMLoader().load(named:"model.vrm")// let vrm = try VRMLoader().load(withUrl: URL(string: "/path/to/model.vrm")!)// let vrm = try VRMLoader().load(withData: data)// VRM meta datavrm.meta.titlevrm.meta.author// model datavrm.gltf.jsonData.nodes[0].name

Render VRM

import VRMKitimport VRMSceneKit@IBOutlet weakvarsceneView:SCNView!letloader=tryVRMSceneLoader(named:"model.vrm")letscene:VRMScene=try loader.loadScene()letnode:VRMNode= scene.vrmNodesceneView.scene= scene

Blend shapes

joy

node.setBlendShape(value:1.0, for:.preset(.joy))

angry

node.setBlendShape(value:1.0, for:.preset(.angry))

><

node.setBlendShape(value:1.0, for:.custom("><"))

Bone animation

Humanoid

node.setBlendShape(value:1.0, for:.preset(.fun))node.humanoid.node(for:.neck)?.eulerAngles=SCNVector3(0,0,20* CGFloat.pi/180)node.humanoid.node(for:.leftShoulder)?.eulerAngles=SCNVector3(0,0,40* CGFloat.pi/180)node.humanoid.node(for:.rightShoulder)?.eulerAngles=SCNVector3(0,0,40* CGFloat.pi/180)

Read the thumbnail image

letloader=tryVRMSceneLoader(named:"model.vrm")letimage=try loader.loadThumbnail()

ToDo

  • VRM 1.0 support
    • Decoding VRM 1.0 file
    • Render an avatar by SceneKit
  • VRM shaders support
  • Improve rendering quality
  • Animation support
  • VRM editing function
  • GLTF renderer support

Contributing

  1. Fork it!
  2. Create your feature branch:git checkout -b my-new-feature
  3. Commit your changes:git commit -am 'Add some feature'
  4. Push to the branch:git push origin my-new-feature
  5. Submit a pull request :D

Support this project

Donating to help me continue working on this project.

Donate

License

VRMKit is released under the MIT license. See LICENSE for details.

Author

Tatsuya Tanaka

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