| import { GLTFLoader } from '../loaders/GLTFLoader.js'; |
|
|
| const DEFAULT_HAND_PROFILE_PATH = 'https://cdn.jsdelivr.net/npm/@webxr-input-profiles/assets@1.0/dist/profiles/generic-hand/'; |
|
|
| class XRHandMeshModel { |
|
|
| constructor( handModel, controller, path, handedness, loader = null ) { |
|
|
| this.controller = controller; |
| this.handModel = handModel; |
|
|
| this.bones = []; |
|
|
| if ( loader === null ) { |
|
|
| loader = new GLTFLoader(); |
| loader.setPath( path || DEFAULT_HAND_PROFILE_PATH ); |
|
|
| } |
|
|
| loader.load( `${handedness}.glb`, gltf => { |
|
|
| const object = gltf.scene.children[ 0 ]; |
| this.handModel.add( object ); |
|
|
| const mesh = object.getObjectByProperty( 'type', 'SkinnedMesh' ); |
| mesh.frustumCulled = false; |
| mesh.castShadow = true; |
| mesh.receiveShadow = true; |
|
|
| const joints = [ |
| 'wrist', |
| 'thumb-metacarpal', |
| 'thumb-phalanx-proximal', |
| 'thumb-phalanx-distal', |
| 'thumb-tip', |
| 'index-finger-metacarpal', |
| 'index-finger-phalanx-proximal', |
| 'index-finger-phalanx-intermediate', |
| 'index-finger-phalanx-distal', |
| 'index-finger-tip', |
| 'middle-finger-metacarpal', |
| 'middle-finger-phalanx-proximal', |
| 'middle-finger-phalanx-intermediate', |
| 'middle-finger-phalanx-distal', |
| 'middle-finger-tip', |
| 'ring-finger-metacarpal', |
| 'ring-finger-phalanx-proximal', |
| 'ring-finger-phalanx-intermediate', |
| 'ring-finger-phalanx-distal', |
| 'ring-finger-tip', |
| 'pinky-finger-metacarpal', |
| 'pinky-finger-phalanx-proximal', |
| 'pinky-finger-phalanx-intermediate', |
| 'pinky-finger-phalanx-distal', |
| 'pinky-finger-tip', |
| ]; |
|
|
| joints.forEach( jointName => { |
|
|
| const bone = object.getObjectByName( jointName ); |
|
|
| if ( bone !== undefined ) { |
|
|
| bone.jointName = jointName; |
|
|
| } else { |
|
|
| console.warn( `Couldn't find ${jointName} in ${handedness} hand mesh` ); |
|
|
| } |
|
|
| this.bones.push( bone ); |
|
|
| } ); |
|
|
| } ); |
|
|
| } |
|
|
| updateMesh() { |
|
|
| |
| const XRJoints = this.controller.joints; |
|
|
| for ( let i = 0; i < this.bones.length; i ++ ) { |
|
|
| const bone = this.bones[ i ]; |
|
|
| if ( bone ) { |
|
|
| const XRJoint = XRJoints[ bone.jointName ]; |
|
|
| if ( XRJoint.visible ) { |
|
|
| const position = XRJoint.position; |
|
|
| bone.position.copy( position ); |
| bone.quaternion.copy( XRJoint.quaternion ); |
| |
|
|
| } |
|
|
| } |
|
|
| } |
|
|
| } |
|
|
| } |
|
|
| export { XRHandMeshModel }; |
|
|
