Update face material index handling in viewport-host.ts

2026-04-15 07:59:27 +02:00
parent 5f6fa6c3c3
commit ddeb859b93
1 changed files with 3 additions and 2 deletions
--- a/src/viewport-three/viewport-host.ts
+++ b/src/viewport-three/viewport-host.ts
@@ -5776,9 +5776,10 @@ export class ViewportHost {

    if (this.whiteboxSelectionMode === "face") {
      const faceMaterialIndex = hit.face?.materialIndex;
+      const renderObjects = this.brushRenderObjects.get(brushId);
      const faceId =
-        typeof faceMaterialIndex === "number"
-          ? (BOX_FACE_IDS[faceMaterialIndex] ?? null)
+        typeof faceMaterialIndex === "number" && renderObjects !== undefined
+          ? (renderObjects.faceIdsInOrder[faceMaterialIndex] ?? null)
          : null;

      if (faceId === null) {