From 72fc528b3c47602a83d411dd0afc9b95886c0a98 Mon Sep 17 00:00:00 2001
From: Mark Salsbery <>
Date: Tue, 4 May 2021 16:55:37 -0700
Subject: [PATCH] removeContact only on existing tracked pointer

---
 src/mousetracker.js | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/src/mousetracker.js b/src/mousetracker.js
index 60127c97..75ec7be0 100644
--- a/src/mousetracker.js
+++ b/src/mousetracker.js
@@ -3281,11 +3281,13 @@
 
             gPoint = updateGPoint;
         } else {
-            // Initialize for tracking and add to the tracking list (no pointerover or pointermove event occurred before this)
+            // Initialize for tracking and add to the tracking list (no pointerenter event occurred before this)
+            $.console.warn('pointerdown event on untracked pointer');
             gPoint.captured = false; // Handled by updatePointerCaptured()
             gPoint.insideElementPressed = true;
             gPoint.insideElement = true;
             startTrackingPointer( pointsList, gPoint );
+            return;
         }
 
         pointsList.addContact();
@@ -3410,6 +3412,9 @@
         updateGPoint = pointsList.getById( gPoint.id );
 
         if ( updateGPoint ) {
+            pointsList.removeContact();
+            //$.console.log('contacts-- ', pointsList.contacts);
+
             // Update the pointer, stop tracking it if not still in this element
             if ( updateGPoint.captured ) {
                 //updateGPoint.captured = false; // Handled by updatePointerCaptured()
@@ -3436,9 +3441,6 @@
             updateGPoint = gPoint;
         }
 
-        pointsList.removeContact();
-        //$.console.log('contacts-- ', pointsList.contacts);
-
         if ( !eventInfo.preventGesture && !eventInfo.defaultPrevented ) {
             if ( wasCaptured ) {
                 // Pointer was activated in our element but could have been removed in any element since events are captured to our element