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