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Progress

Branch: main

Done

  • 3D editor scaffold (React + Three.js): scene hierarchy, transform gizmos, properties panel, animation timeline, undo/redo, save/load, GLTF export, post-processing.
  • GLB shark model loading with runtime auto-rigged skeletal animation.
  • Shark walk-cycle skeleton, skeleton preview thumbnail, humanoid dummy.
  • Editor opens with the shark GLB loaded by default (createDefaultObjects).
  • Viewport camera navigation: left-drag pans, Shift+drag orbits, scroll zooms. Set declaratively via the mouseButtons prop on <OrbitControls> (Three.js switches PAN→ROTATE automatically while Shift is held).
  • Status bar updated with navigation hints.
  • Model part-splitting (拆件): select a GLB model and split it into independently movable parts via connected-components analysis (Union-Find) with an optional long-edge-breaking heuristic for single-piece meshes.
    • src/three/splitGeometry.ts — geometry processing core.
    • src/three/geometryRegistry.ts — in-memory store for split-part geometries.
    • src/store/useSceneStore.ts — splitObject(id, cutThreshold) action.
    • Split UI (sensitivity slider + button) in the Properties panel.

Notes

  • Camera controls live in src/ui/Viewport.tsx.
  • Default scene objects live in src/store/useSceneStore.ts (createDefaultObjects).
  • Split-part geometries are held in geometryRegistry (not the serializable store); removeObject disposes them on deletion. Undo restores object metadata but does not reclaim orphaned geometries.