修改静态资源文件夹位置

public/sdk/three/jsm/webxr/XRHandMeshModel.js

@@ -0,0 +1,114 @@
+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 };