From baaf932d004318ae89d323bc0d6833e32ca535d0 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E2=80=9CIsaac?= <isaac@isaacmason.com>
Date: Mon, 3 Nov 2025 10:35:43 +1000
Subject: [PATCH] fix: error in JointsExample due to ref usage

---
 demo/src/examples/joints/JointsExample.tsx | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/demo/src/examples/joints/JointsExample.tsx b/demo/src/examples/joints/JointsExample.tsx
index 1692b860..1e593bb6 100644
--- a/demo/src/examples/joints/JointsExample.tsx
+++ b/demo/src/examples/joints/JointsExample.tsx
@@ -59,9 +59,12 @@ const Rope = (props: { component: ReactNode; length: number }) => {
 
   useFrame(() => {
     const now = performance.now();
-    refs.current[0].current!.setNextKinematicRotation(
-      new Quaternion(0, Math.sin(now / 500) * 3, 0)
-    );
+    const ref = refs.current[0].current;
+    if (ref) {
+      ref.setNextKinematicRotation(
+        new Quaternion(0, Math.sin(now / 500) * 3, 0)
+      );
+    }
   });
 
   return (