From 698d2aaa243ccb3efc1659f314e00acd66aabda1 Mon Sep 17 00:00:00 2001
From: GOC <109016552+EFCTO@users.noreply.github.com>
Date: Sun, 14 Sep 2025 14:21:56 +0900
Subject: [PATCH] Update InputHandler.ts

---
 src/client/InputHandler.ts | 15 +++++++++++++--
 1 file changed, 13 insertions(+), 2 deletions(-)

diff --git a/src/client/InputHandler.ts b/src/client/InputHandler.ts
index f6d661f072..e6bd678f3e 100644
--- a/src/client/InputHandler.ts
+++ b/src/client/InputHandler.ts
@@ -183,9 +183,20 @@ export class InputHandler {
     );
     window.addEventListener("pointermove", this.onPointerMove.bind(this));
     this.canvas.addEventListener("contextmenu", (e) => this.onContextMenu(e));
+    let pendingMouseMove: MouseEvent | null = null;
+    let mouseMoveFrame = false;
     window.addEventListener("mousemove", (e) => {
-      if (e.movementX || e.movementY) {
-        this.eventBus.emit(new MouseMoveEvent(e.clientX, e.clientY));
+      pendingMouseMove = e;
+      if (!mouseMoveFrame) {
+        mouseMoveFrame = true;
+        requestAnimationFrame(() => {
+          mouseMoveFrame = false;
+          const evt = pendingMouseMove;
+          pendingMouseMove = null;
+          if (evt && (evt.movementX || evt.movementY)) {
+            this.eventBus.emit(new MouseMoveEvent(evt.clientX, evt.clientY));
+          }
+        });
       }
     });