controller uniqueId

src/Cameras/XR/webXRController.ts

@@ -5,8 +5,11 @@ import { Ray } from '../../Culling/ray';
 import { Scene } from '../../scene';
 import { WebXRAbstractMotionController } from './motionController/webXRAbstractController';
 import { WebXRMotionControllerManager } from './motionController/webXRMotionControllerManager';
+
+let idCount = 0;
+
 /**
- * Represents an XR input
+ * Represents an XR controller
  */
 export class WebXRController {
     /**
@@ -34,6 +37,7 @@ export class WebXRController {
     private _tmpQuaternion = new Quaternion();
     private _tmpVector = new Vector3();
 
+    private _uniqueId: string;
     /**
      * Creates the controller
      * @see https://doc.babylonjs.com/how_to/webxr
@@ -45,6 +49,7 @@ export class WebXRController {
         private scene: Scene,
         /** The underlying input source for the controller  */
         public inputSource: XRInputSource) {
+        this._uniqueId = `${idCount++}-${inputSource.targetRayMode}-${inputSource.handedness}`;
         this.pointer = new AbstractMesh("controllerPointer", scene);
         this.pointer.rotationQuaternion = new Quaternion();
 
@@ -63,6 +68,10 @@ export class WebXRController {
         }
     }
 
+    public get uniqueId() {
+        return this._uniqueId;
+    }
+
     /**
      * Updates the controller pose based on the given XRFrame
      * @param xrFrame xr frame to update the pose with