From 3f2a49d2435815cbe7c9fe7faa18bdc71604a4b0 Mon Sep 17 00:00:00 2001
From: David Back <davidback@highfidelity.io>
Date: Fri, 16 Mar 2018 16:57:54 -0700
Subject: [PATCH] fix list of tablet IDs ray cast checks in edit.js

---
 scripts/system/edit.js | 18 +++++++++++++-----
 1 file changed, 13 insertions(+), 5 deletions(-)

diff --git a/scripts/system/edit.js b/scripts/system/edit.js
index 0e1718ac45..1f442c09b0 100644
--- a/scripts/system/edit.js
+++ b/scripts/system/edit.js
@@ -776,9 +776,12 @@ function findClickedEntity(event) {
     }
 
     var pickRay = Camera.computePickRay(event.x, event.y);
-    var overlayResult = Overlays.findRayIntersection(pickRay, true, getMainTabletIDs());
-    if (overlayResult.intersects) {
-        return null;
+    var tabletIDs = getMainTabletIDs();
+    if (tabletIDs.length > 0) {
+        var overlayResult = Overlays.findRayIntersection(pickRay, true, tabletIDs);
+        if (overlayResult.intersects) {
+            return null;
+        }
     }
 
     var entityResult = Entities.findRayIntersection(pickRay, true); // want precision picking
@@ -967,8 +970,13 @@ function mouseReleaseEvent(event) {
 
 function wasTabletClicked(event) {
     var rayPick = Camera.computePickRay(event.x, event.y);
-    var result = Overlays.findRayIntersection(rayPick, true, getMainTabletIDs());
-    return result.intersects;
+    var tabletIDs = getMainTabletIDs();
+    if (tabletIDs.length === 0) {
+        return false;
+    } else {
+        var result = Overlays.findRayIntersection(rayPick, true, getMainTabletIDs());
+        return result.intersects;
+    }
 }
 
 function mouseClickEvent(event) {