draft attach item to ceiling

packages/core/src/schema/nodes/ceiling.ts

@@ -1,10 +1,12 @@
 import dedent from 'dedent'
 import { z } from 'zod'
 import { BaseNode, nodeType, objectId } from '../base'
+import { ItemNode } from './item'
 
 export const CeilingNode = BaseNode.extend({
   id: objectId('ceiling'),
   type: nodeType('ceiling'),
+  children: z.array(ItemNode.shape.id).default([]),
   // Specific props
   // Polygon boundary - array of [x, z] coordinates defining the ceiling
   polygon: z.array(z.tuple([z.number(), z.number()])),

packages/viewer/src/components/renderers/ceiling/ceiling-renderer.tsx

@@ -3,6 +3,7 @@ import { useRef } from 'react'
 import { faceDirection, float, mix } from 'three/tsl'
 import { DoubleSide, type Mesh, MeshStandardNodeMaterial } from 'three/webgpu'
 import { useNodeEvents } from '../../../hooks/use-node-events'
+import { NodeRenderer } from '../node-renderer'
 
 // TSL material that renders differently based on face direction:
 // - Back face (looking up at ceiling from below): solid
@@ -27,6 +28,9 @@ export const CeilingRenderer = ({ node }: { node: CeilingNode }) => {
     <mesh ref={ref} material={ceilingMaterial} {...handlers}>
       {/* CeilingSystem will replace this geometry in the next frame */}
       <boxGeometry args={[0, 0, 0]} />
+      {node.children.map((childId) => (
+        <NodeRenderer key={childId} nodeId={childId} />
+      ))}
     </mesh>
   )
 }

packages/viewer/src/components/viewer/index.tsx

@@ -32,8 +32,8 @@ const Viewer: React.FC<ViewerProps> = ({ children }) => {
     >
       <color attach="background" args={['#ececec']} />
 
-      <directionalLight position={[10, 10, 5]} intensity={1.5} castShadow />
-      <Environment preset="sunset" />
+      <directionalLight position={[10, 10, 5]} intensity={0.5} castShadow />
+      <Environment preset="sunset" environmentIntensity={0.3} />
       <Bvh>
         <SceneRenderer />
       </Bvh>