feat(viewport): v1.0 B1 — render host 实时视口切引擎（看+转相机）#39

Merged

longyi-xw merged 13 commits into

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feat/v1.0b-render-host

Jun 11, 2026

Commits on Jun 10, 2026

docs(spec): v1.0 sub-stage B1 — render host 实时视口切引擎（看+转相机）设计

longyi-xw
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claude
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docs(plan): v1.0 sub-stage B1 — render host 实施计划

longyi-xw
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feat(viewport): engine-neutral diffSceneNodes — mirrors diffAndApply identity walk
longyi-xw
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feat(babylon): injectable engine (NullEngine default) + right-handed system

longyi-xw
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claude
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feat(runtime): IRenderHost contract + isEngineEditingCapable gate (v1.0 B1)

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feat(babylon): BabylonRenderHost — real Engine + ArcRotate editor camera + render loop
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feat(ui): viewportEngine session state (three.js default)
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feat(viewport): BabylonViewport — seed + incremental sync + resize, view-only (B1)
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feat(viewport): engine switch — Viewport wrapper + EngineToggle pill + gizmo gate
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feat(viewport): gate play/focus/asset-drag behind isEngineEditingCapable (B1)
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docs(roadmap): v1.0 B1 render host 实时切引擎(看+转相机) 完成；B2-B4 拆分入列

longyi-xw
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claude
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Commits on Jun 11, 2026