right handed system support

src/XR/features/WebXRControllerPointerSelection.ts

@@ -546,6 +546,9 @@ export class WebXRControllerPointerSelection extends WebXRAbstractFeature {
     private _updatePointerDistance(_laserPointer: AbstractMesh, distance: number = 100) {
         _laserPointer.scaling.y = distance;
         // a bit of distance from the controller
+        if (this._scene.useRightHandedSystem) {
+            distance *= -1;
+        }
         _laserPointer.position.z = (distance / 2) + 0.05;
     }
 }