From 4a4c667d57a06d09686ca31e16048c2a7adf29be Mon Sep 17 00:00:00 2001
From: Ivan Liang <r33t@cmu.edu>
Date: Wed, 7 Jun 2023 14:32:54 -0400
Subject: [PATCH] Detect mobile just once

TODO: Check mobile once and add property to ARENA
---
 src/components/ar-hit-test-listener.js | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/components/ar-hit-test-listener.js b/src/components/ar-hit-test-listener.js
index edb413ac7..ac6420c42 100644
--- a/src/components/ar-hit-test-listener.js
+++ b/src/components/ar-hit-test-listener.js
@@ -15,6 +15,7 @@ AFRAME.registerComponent('ar-hit-test-listener', {
         this.el.addEventListener('enter-vr', this.enterARHandler);
         this.el.addEventListener('exit-vr', this.exitARHandler);
         this.mouseCursor = document.getElementById('mouse-cursor');
+        this.isMobile = AFRAME.utils.device.isMobile();
     },
 
     remove: function() {
@@ -26,7 +27,7 @@ AFRAME.registerComponent('ar-hit-test-listener', {
         if (this.el.is('ar-mode')) {
             this.el.addEventListener('ar-hit-test-select-start', this.hitStartHandler);
             this.el.addEventListener('ar-hit-test-select', this.hitEndHandler);
-            if (AFRAME.utils.device.isMobile()) {
+            if (this.isMobile) {
                 this.el.setAttribute('cursor', {rayOrigin: 'xrselect', fuse: false});
                 this.el.setAttribute('raycaster', {objects: '[click-listener],[click-listener-local]'});
                 this.mouseCursor.removeAttribute('cursor');
@@ -40,7 +41,7 @@ AFRAME.registerComponent('ar-hit-test-listener', {
     exitARHandler: function() {
         this.el.removeEventListener('ar-hit-test-select-start', this.hitStartHandler);
         this.el.removeEventListener('ar-hit-test-select', this.hitEndHandler);
-        if (AFRAME.utils.device.isMobile()) {
+        if (this.isMobile) {
             this.el.removeAttribute('cursor');
             this.el.removeAttribute('raycaster');
             this.mouseCursor.setAttribute('cursor', {rayOrigin: 'mouse'});