From ff3c8e2156cfd27ec769608093f164e565f6fd72 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=D0=A5=D0=B0=D0=BB=D0=B8=D0=BC=D0=BE=D0=B2=20=D0=A0=D1=83?=
 =?UTF-8?q?=D1=81=D1=82=D0=B0=D0=BC?= <rhalimov@elveesneotek.com>
Date: Sat, 27 Dec 2025 21:39:32 +0300
Subject: [PATCH] 3D view

---
 src/components/PreviewStep.tsx | 24 +++++++-----------------
 1 file changed, 7 insertions(+), 17 deletions(-)

diff --git a/src/components/PreviewStep.tsx b/src/components/PreviewStep.tsx
index 2b2dc6e..b18b6d8 100644
--- a/src/components/PreviewStep.tsx
+++ b/src/components/PreviewStep.tsx
@@ -8,7 +8,7 @@ import { createBinGeometry, generateSTL, exportSTL } from '../services/geometryG
 import { Download, Package, Info, Loader2, Share2, Check, Ruler } from 'lucide-react';
 import { generateShareUrl } from '../utils/share';
 
-// --- DrawerFrame (Каркас ящика) ---
+// --- DrawerFrame (Каркас) ---
 const DrawerFrame = ({ config }: { config: AppConfig }) => {
     const { width, depth, height } = config.drawer;
     const offset = 0.5;
@@ -26,37 +26,33 @@ const DrawerFrame = ({ config }: { config: AppConfig }) => {
 interface BinMeshProps {
   part: GeneratedPart;
   thickness: number;
-  cornerRadius: number; // Важный проп для радиуса
+  cornerRadius: number;
   isSelected: boolean;
   onClick: () => void;
 }
 
 const BinMesh: React.FC<BinMeshProps> = ({ part, thickness, cornerRadius, isSelected, onClick }) => {
-  // 1. Создаем основную геометрию ячейки
   const geometry = useMemo(() => {
     return createBinGeometry(part.width, part.depth, part.height, thickness, cornerRadius);
   }, [part, thickness, cornerRadius]);
 
-  // 2. Создаем геометрию для рамки выделения
-  // Используем EdgesGeometry с порогом 20 градусов. 
-  // Это скроет линии на плавных изгибах (где угол между полигонами ~5-6 градусов),
-  // но оставит четкие грани сверху, снизу и по углам.
   const edgesGeometry = useMemo(() => {
      return new THREE.EdgesGeometry(geometry, 20);
   }, [geometry]);
 
   return (
     <group position={[part.x + part.width/2, 0, part.y + part.depth/2]}>
-       {/* Сама модель */}
+       {/* Модель */}
        <mesh geometry={geometry} onClick={(e) => { e.stopPropagation(); onClick(); }}>
          <meshStandardMaterial 
             color={isSelected ? '#f59e0b' : part.color} 
             roughness={0.5} 
             metalness={0.1}
+            side={THREE.DoubleSide} // <--- ИСПРАВЛЕНИЕ: Рисуем обе стороны стенки
          />
        </mesh>
        
-       {/* Подсветка выделения (теперь повторяет форму скругления) */}
+       {/* Белая обводка */}
        {isSelected && (
          <lineSegments geometry={edgesGeometry}>
             <lineBasicMaterial color="white" linewidth={2} />
@@ -66,7 +62,7 @@ const BinMesh: React.FC<BinMeshProps> = ({ part, thickness, cornerRadius, isSele
   );
 };
 
-// --- PreviewStep (Основной компонент) ---
+// --- PreviewStep (Основной) ---
 interface Props {
   parts: GeneratedPart[];
   config: AppConfig;
@@ -149,15 +145,12 @@ export const PreviewStep: React.FC<Props> = ({ parts, config, splits }) => {
 
   return (
     <div className="flex flex-col h-full">
-      {/* Верхняя панель: Размеры + Поделиться */}
       <div className="flex flex-col xl:flex-row justify-between items-center bg-slate-800/80 p-4 rounded-xl border border-slate-700 mb-4 gap-4 backdrop-blur-sm shadow-lg">
-          
           <div className="flex flex-wrap items-center gap-6 justify-center md:justify-start">
               <div className="hidden md:flex items-center gap-2 text-gray-300 mr-2">
                   <Ruler className="text-primary" size={20} />
                   <span className="font-medium text-sm uppercase tracking-wide opacity-70">Размеры ящика:</span>
               </div>
-              
               <div className="flex flex-wrap gap-6 font-mono text-white items-baseline">
                   <div className="flex items-baseline gap-2">
                       <span className="text-slate-500 text-sm font-bold uppercase tracking-wider">Ширина:</span>
@@ -174,7 +167,6 @@ export const PreviewStep: React.FC<Props> = ({ parts, config, splits }) => {
                   <span className="text-sm text-slate-500 font-bold self-baseline">мм</span>
               </div>
           </div>
-
           <button
               onClick={handleShare}
               className={`
@@ -191,7 +183,6 @@ export const PreviewStep: React.FC<Props> = ({ parts, config, splits }) => {
       </div>
 
       <div className="flex flex-col lg:flex-row h-full gap-6 relative flex-1 min-h-0">
-        {/* 3D Viewer */}
         <div className="flex-1 bg-slate-900 rounded-xl overflow-hidden shadow-2xl border border-slate-800 relative min-h-[400px]">
           <div className="absolute top-4 right-4 z-10 bg-black/60 p-3 rounded-lg text-xs text-gray-300 backdrop-blur pointer-events-none border border-slate-700">
              <div className="flex items-center gap-2 mb-1 text-primary font-bold">
@@ -227,7 +218,7 @@ export const PreviewStep: React.FC<Props> = ({ parts, config, splits }) => {
                               key={part.id} 
                               part={part} 
                               thickness={config.wallThickness}
-                              cornerRadius={config.cornerRadius || 0} // <-- ИСПРАВЛЕНО: Передаем радиус
+                              cornerRadius={config.cornerRadius || 0}
                               isSelected={selectedId === part.id}
                               onClick={() => setSelectedId(part.id)}
                           />
@@ -239,7 +230,6 @@ export const PreviewStep: React.FC<Props> = ({ parts, config, splits }) => {
           </Canvas>
         </div>
 
-        {/* Sidebar List */}
         <div className="w-full lg:w-96 bg-slate-900 p-6 rounded-xl border border-slate-800 flex flex-col h-full shadow-xl">
           <div className="flex justify-between items-center mb-6 shrink-0">
                <h2 className="text-xl font-bold flex items-center gap-2 text-primary">