Initial project import

node_modules/three-stdlib/webxr/XRHandPrimitiveModel.cjs

@@ -0,0 +1,69 @@
+"use strict";
+Object.defineProperty(exports, Symbol.toStringTag, { value: "Module" });
+const THREE = require("three");
+const _matrix = /* @__PURE__ */ new THREE.Matrix4();
+const _vector = /* @__PURE__ */ new THREE.Vector3();
+class XRHandPrimitiveModel {
+  constructor(handModel, controller, path, handedness, options) {
+    this.controller = controller;
+    this.handModel = handModel;
+    this.envMap = null;
+    let geometry;
+    if (!options || !options.primitive || options.primitive === "sphere") {
+      geometry = new THREE.SphereGeometry(1, 10, 10);
+    } else if (options.primitive === "box") {
+      geometry = new THREE.BoxGeometry(1, 1, 1);
+    }
+    const material = new THREE.MeshStandardMaterial();
+    this.handMesh = new THREE.InstancedMesh(geometry, material, 30);
+    this.handMesh.instanceMatrix.setUsage(THREE.DynamicDrawUsage);
+    this.handMesh.castShadow = true;
+    this.handMesh.receiveShadow = true;
+    this.handModel.add(this.handMesh);
+    this.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"
+    ];
+  }
+  updateMesh() {
+    const defaultRadius = 8e-3;
+    const joints = this.controller.joints;
+    let count = 0;
+    for (let i = 0; i < this.joints.length; i++) {
+      const joint = joints[this.joints[i]];
+      if (joint.visible) {
+        _vector.setScalar(joint.jointRadius || defaultRadius);
+        _matrix.compose(joint.position, joint.quaternion, _vector);
+        this.handMesh.setMatrixAt(i, _matrix);
+        count++;
+      }
+    }
+    this.handMesh.count = count;
+    this.handMesh.instanceMatrix.needsUpdate = true;
+  }
+}
+exports.XRHandPrimitiveModel = XRHandPrimitiveModel;
+//# sourceMappingURL=XRHandPrimitiveModel.cjs.map