From 579ebfba9df0e48d0b371d504653c1ac50d564fc Mon Sep 17 00:00:00 2001
From: AI Bot <bot@digifox.live>
Date: Wed, 2 Sep 2026 10:22:03 +0530
Subject: [PATCH] fix: restore default flipY for uploaded textures, fix main
 model deletion visibility

---
 src/components/ModelViewer.tsx | 18 ++++++++++++------
 1 file changed, 12 insertions(+), 6 deletions(-)

diff --git a/src/components/ModelViewer.tsx b/src/components/ModelViewer.tsx
index b17c4b3..e8742df 100644
--- a/src/components/ModelViewer.tsx
+++ b/src/components/ModelViewer.tsx
@@ -103,7 +103,7 @@ const MeshMaterialManager = ({ mesh, sceneObj, textureCache }: MeshMaterialManag
               tex.name = url;
               if (type === 'map') tex.colorSpace = THREE.SRGBColorSpace;
               tex.wrapS = tex.wrapT = THREE.RepeatWrapping;
-              tex.flipY = false;
+              
               textureCache.current.set(url, tex);
               activeMat[type] = tex;
               if (mappingType === 'triplanar') activeMat.triplanarUniforms['t' + type.charAt(0).toUpperCase() + type.slice(1).replace('Map', '')].value = tex;
@@ -235,11 +235,17 @@ export const ModelViewer = forwardRef<THREE.Group, ModelViewerProps>(({ object,
   useEffect(() => {
     if (object && sceneObjects) {
       const mainModel = sceneObjects.find(obj => obj.type === 'model');
-      if (mainModel && mainModel.transformProps && groupRef.current) {
-        const { position: p, rotation: r, scale: s } = mainModel.transformProps;
-        groupRef.current.position.set(p[0], p[1], p[2]);
-        groupRef.current.rotation.set(r[0], r[1], r[2]);
-        groupRef.current.scale.set(s[0], s[1], s[2]);
+      if (groupRef.current) {
+        if (mainModel && mainModel.transformProps) {
+          const { position: p, rotation: r, scale: s } = mainModel.transformProps;
+          groupRef.current.position.set(p[0], p[1], p[2]);
+          groupRef.current.rotation.set(r[0], r[1], r[2]);
+          groupRef.current.scale.set(s[0], s[1], s[2]);
+          groupRef.current.visible = true;
+        } else if (!mainModel) {
+          // If main model was deleted, hide the entire group
+          groupRef.current.visible = false;
+        }
       }
     }
   }, [object, sceneObjects]);