From 621829248438edacb8115013de5e6bcd5f28cb37 Mon Sep 17 00:00:00 2001
From: Julien Froidefond <julien.froidefond@cdbdx.biz>
Date: Fri, 28 Feb 2025 14:20:17 +0100
Subject: [PATCH] feat: adjust zoom mob

---
 src/components/reader/hooks/usePageNavigation.ts | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/components/reader/hooks/usePageNavigation.ts b/src/components/reader/hooks/usePageNavigation.ts
index 4e8daee..e9d923c 100644
--- a/src/components/reader/hooks/usePageNavigation.ts
+++ b/src/components/reader/hooks/usePageNavigation.ts
@@ -118,7 +118,10 @@ export const usePageNavigation = ({
       const distance = calculateDistance(event.touches[0], event.touches[1]);
       if (initialDistanceRef.current !== null) {
         const scale = distance / initialDistanceRef.current;
-        setZoomLevel((prevZoomLevel) => Math.max(1, prevZoomLevel * scale));
+        const zoomFactor = 0.3;
+        setZoomLevel((prevZoomLevel) =>
+          Math.min(3, Math.max(1, prevZoomLevel + (scale - 1) * zoomFactor))
+        );
       }
     }
   }, []);