From 8a29491b350a65a4a3567eccabace9551ffd2c75 Mon Sep 17 00:00:00 2001
From: Erik Tran <erik.tran.tt@gmail.com>
Date: Fri, 30 Oct 2020 11:23:38 +1100
Subject: [PATCH] fixed horizontal scrolling on touch devices for demo 5

---
 js/horizontal.js | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/js/horizontal.js b/js/horizontal.js
index 941dd27..80d0165 100644
--- a/js/horizontal.js
+++ b/js/horizontal.js
@@ -136,9 +136,10 @@
   window.addEventListener("touchmove", ev => {
     let touch = ev.touches[0];
     if (lastClientX && isDown) {
-      state.targetScroll += ev.clientX - lastClientX;
+      let diffX = touch.clientX - lastClientX;
+      state.targetScroll += Math.sign(diffX) * 30;
     }
-    lastClientX = ev.clientX;
+    lastClientX = touch.clientX;
   });
 
   window.addEventListener("wheel", ev => {