Check if XRSession exists before adding inputsourceschange listener (#…

…5631)
aframevr · Jan 22, 2025 · 51b70a3 · 51b70a3
1 parent a5177ad
commit 51b70a3
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/src/systems/tracked-controls.js b/src/systems/tracked-controls.js
@@ -17,6 +17,8 @@ module.exports.System = registerSystem('tracked-controls', {
   },
 
   onEnterVR: function () {
+    var xrSession = this.el.xrSession;
+    if (!xrSession) { return; }
     this.el.xrSession.addEventListener('inputsourceschange', this.onInputSourcesChange);
   },