docs: publish legacy feature catalogue

2026-09-03 08:14:14 +00:00
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+---
+title: "3DARCH-FT-15 — Change viewpoint and look around naturally"
+description: "Enable a user to choose first- or third-person viewing and control the view without the camera passing through nearby scene geometry."
+---
+
+# Change viewpoint and look around naturally
+
+| Feature | Parent Epic | Delivery status | Status source | Owner | Approved for Solution |
+|---|---|---|---|---|---|
+| `3DARCH-FT-15` | [3DARCH-EP-3 — Navigate and Explore the Virtual Workplace](../../3darch-ep-3.md) | `IN_BACKLOG` | `EXACT` | 3D Architecture Wizzard team | No |
+
+## Description
+
+Enable a user to choose first- or third-person viewing and control the view without the camera passing through nearby scene geometry.
+
+## User or operator problem
+
+Users need viewpoints suited to navigation and orientation without camera obstruction by nearby geometry.
+
+## Expected value
+
+Improves spatial awareness while limiting camera clipping and overlay input conflicts.
+
+## Scope
+
+Includes first/third-person switching, sensitivity-aware mouse look, obstruction-aware third-person distance, and predictable pointer capture.
+
+### Exclusions
+
+- VR/controller navigation and generated-apartment review are excluded.
+
+## Acceptance outcomes
+
+- [ ] The user can switch between supported camera modes.
+- [ ] Mouse input controls the view at the configured sensitivity.
+- [ ] Third-person camera distance responds to obstructing geometry.
+- [ ] Pointer capture and release behave predictably around overlays and settings.
+
+## Dependencies
+
+- [3DARCH-FT-12 — Discover and retain personal controls](../../3darch-ep-2/features/3darch-ft-12.md)
+- [3DARCH-FT-14 — Move through a collision-aware 3D workplace](./3darch-ft-14.md)
+
+## Risks
+
+- Third-person camera constraints and overlay pointer capture have legacy edge cases.
+
+## Human approval
+
+Linas approved this Feature for documentation on 2026-09-02T10:40:43.220Z. It is **not Approved for Solution** and has no implementation approval.
+
+- [Documentation decision](https://discord.com/channels/1518726359512387766/1543925247361814568/1544658325738885201)
+
+## Delivery status evidence
+
+The Feature was separately registered at `IN_BACKLOG` as an accepted catalogue boundary. This records backlog retention, not design or delivery progress.
+
+- Event: Catalogue registration
+- Actor and authority: Linas — Human project team member
+- Reason: The Feature catalogue was accepted for governed documentation and retained in the backlog.
+- [Status evidence](https://discord.com/channels/1518726359512387766/1543925247361814568/1544658325738885201)
+
+## Architecture traceability
+
+- Requirements: none derived.
+- Readiness: Not started.
+
+Architecture solution work must not begin until a separate human **Approved for Solution** decision is recorded.
+
+## Tasks
+
+[Review the Tasks group](./3darch-ft-15/tasks.md). No canonical implementation Tasks have been defined.
+
+## Original source
+
+- [Discord – Scope – Linas: original Feature request](https://discord.com/channels/1518726359512387766/1543925247361814568/1544647879111483562)
+- [Discord – Scope – Linas: proceed with documented mapping](https://discord.com/channels/1518726359512387766/1543925247361814568/1544658325738885201)
+
+### Legacy implementation evidence
+
+The Feature boundary was mined from legacy revision `c0ced47ecaf4426f47e5c2e4868677f7144b951a`.
+
+- [`apps/nebula/src/hooks/usePlayerCamera.ts`](https://gitea.lego-cloud.eu/corp-v1-3darch-legacy/corp-v1-3darch-legacy/src/commit/c0ced47ecaf4426f47e5c2e4868677f7144b951a/apps/nebula/src/hooks/usePlayerCamera.ts)
+- [`apps/nebula/src/hooks/useMouseControls.ts`](https://gitea.lego-cloud.eu/corp-v1-3darch-legacy/corp-v1-3darch-legacy/src/commit/c0ced47ecaf4426f47e5c2e4868677f7144b951a/apps/nebula/src/hooks/useMouseControls.ts)
+- [`packages/utils/constants/src/controls.ts`](https://gitea.lego-cloud.eu/corp-v1-3darch-legacy/corp-v1-3darch-legacy/src/commit/c0ced47ecaf4426f47e5c2e4868677f7144b951a/packages/utils/constants/src/controls.ts)