From cfd3cc114238b7f115e53ed6b04b564b7058188a Mon Sep 17 00:00:00 2001
From: "azykov@mail.ru" <azykov@mail.ru>
Date: Sat, 23 May 2026 20:42:44 +0300
Subject: [PATCH] minor code fix

---
 client/src/helpers/circularFrustumIntersect.ts | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/client/src/helpers/circularFrustumIntersect.ts b/client/src/helpers/circularFrustumIntersect.ts
index f9121f9..3b13341 100644
--- a/client/src/helpers/circularFrustumIntersect.ts
+++ b/client/src/helpers/circularFrustumIntersect.ts
@@ -55,7 +55,7 @@ const BARYCENTRIC_EPSILON = 1e-1;
 function classifyTriangleHit(
     point: THREE.Vector3,
     tri: ExtendedTriangle,
-    vertexIds: Id[],
+    vertexIds: [Id, Id, Id],
 ): TriangleHitDetail {
     // Compute barycentric coords via areas
     const ab = tri.b.clone().sub(tri.a);
@@ -232,7 +232,7 @@ export class CircularFrustumIntersection {
             intersectsBounds: (box: THREE.Box3) => intersectionResultToBvh(CircularFrustumIntersection.intersectsBox(box, localFrustum)),
 
             intersectsTriangle: (tri: ExtendedTriangle, triIndex: number, contained: boolean) => {
-                const tiangleVertexIds = getGeometryVertextIds(triIndex);
+                const tiangleVertexIds = getGeometryVertextIds(triIndex) ?? ['','',''];
 
                 if (contained) {
                     const worldPoint = tri.a.clone().applyMatrix4(mesh.matrixWorld);
@@ -242,7 +242,7 @@ export class CircularFrustumIntersection {
                         point: worldPoint,
                         depth,
                         triangle: tri,
-                        triHit: classifyTriangleHit(tri.a, tri, tiangleVertexIds ?? []),
+                        triHit: classifyTriangleHit(tri.a, tri, tiangleVertexIds),
                         vertexIds: tiangleVertexIds,
                     });
                     return !findAll;