Files
editor/wiki/architecture
Wassim SAMADandClaude Opus 4.8 937cf02aff feat(paint-slots): world-scale pool slab floor UVs + document the metre UV contract
Pool slabs (generatePoolGeometry) were the one procedural surface emitting
normalized [0..1] floor UVs, so a textured finish stretched to fit the pool
instead of tiling at real-world scale like every other surface. Switch the
floor to shape-space metres (x, -z) — the same mapping generatePositiveSlab-
Geometry already uses for its caps. Pool walls were already in metres.

Also document the contract in wiki/architecture/materials-and-themes.md: every
procedural surface generates UVs in metres (1 UV unit = 1 m), GLB slots follow
the same ~1 unit/m authoring convention, and a catalog material's `repeat` is
therefore a per-material world-scale setting (tiles per metre), identical for
every surface that uses it — never per-item.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
2026-06-16 09:51:54 -04:00
..

Architecture

Canonical rules for code that touches packages/core, packages/viewer, packages/editor, packages/mcp, or apps/editor. Read on demand from AGENTS.md and from .agents/skills/review-architecture/SKILL.md.

Pages

Page Covers
layers Three.js layer constants, ownership, and rendering separation
systems Core and viewer systems architecture
renderers Node renderer pattern in packages/viewer
node-definitions Three-checkbox composition model for registry-driven kinds (geometry / renderer / system)
materials-and-themes Surface colour: surface roles, colour presets, the textures axis, and scene themes (appearance / ground / clay tints)
plugin-authoring Public contract for external plugins — Plugin shape, setPluginDiscovery, lifecycle, what's in and out of v1
tools Editor tools structure, manipulation constraints, and Shift bypass defaults
viewer-isolation Keeping @pascal-app/viewer editor-agnostic
selection-managers Two-layer selection (viewer + editor), events, outliner
scene-registry Global node ID → Object3D map and useRegistry
spatial-queries Placement validation (canPlaceOnFloor/Wall/Ceiling) for tools
node-schemas Zod schema pattern for node types, createNode, updateNode
events Typed event bus — emitting and listening to node and grid events
creating-rules How to add or update a page in this folder

Reading order for an architecture review

  1. layers, systems, renderers, tools, viewer-isolation — required every review.
  2. The remaining pages on demand, based on what the diff touches.