115 lines
		
	
	
		
			2.4 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			115 lines
		
	
	
		
			2.4 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
| 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, onLoad = 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 );
 | |
| 
 | |
| 			} );
 | |
| 
 | |
| 			if ( onLoad ) onLoad( object );
 | |
| 
 | |
| 		} );
 | |
| 
 | |
| 	}
 | |
| 
 | |
| 	updateMesh() {
 | |
| 
 | |
| 		// XR Joints
 | |
| 		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 );
 | |
| 					// bone.scale.setScalar( XRJoint.jointRadius || defaultRadius );
 | |
| 
 | |
| 				}
 | |
| 
 | |
| 			}
 | |
| 
 | |
| 		}
 | |
| 
 | |
| 	}
 | |
| 
 | |
| }
 | |
| 
 | |
| export { XRHandMeshModel };
 |