From 2ddabc05660f00a9a8264e8de34757a9166a152c Mon Sep 17 00:00:00 2001
From: Victor Giers <mail@victorgiers.com>
Date: Mon, 27 Apr 2026 00:55:06 +0200
Subject: [PATCH] Fix smooth zoom response for zero delta time

---
 src/viewport-three/viewport-host.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/viewport-three/viewport-host.ts b/src/viewport-three/viewport-host.ts
index 23e3d735..c3cf3585 100644
--- a/src/viewport-three/viewport-host.ts
+++ b/src/viewport-three/viewport-host.ts
@@ -1630,7 +1630,7 @@ export class ViewportHost {
 
   private getSmoothZoomFrameResponse(dt: number) {
     if (dt <= 0) {
-      return 1;
+      return SMOOTH_ZOOM_IMMEDIATE_RESPONSE;
     }
 
     return Math.min(1, 1 - Math.exp(-SMOOTH_ZOOM_RESPONSE * dt));