Core Interactions
| Action | Input | Touch |
|---|---|---|
| Pan | Middle-click drag, Space+drag | Two-finger drag |
| Zoom | Scroll wheel, Cmd+/- | Pinch |
| Select | Click | Tap |
| Multi-select | Shift+click, drag selection box | Long press + drag |
| Create | Double-click, toolbar action | Double tap, toolbar |
Navigation
- Minimap in corner showing viewport position
- Zoom controls (+/- buttons with percentage display)
- "Fit to screen" / "Zoom to selection" shortcuts
- Breadcrumb for nested frames/groups
Performance
- Only render visible elements (viewport culling)
- Level-of-detail: simplify elements at low zoom levels
- Lazy load off-screen content
- Debounce pan/zoom events for rendering
Grid & Snapping
- Optional grid overlay (toggle on/off)
- Snap to grid while dragging
- Smart guides (alignment lines showing relation to other elements)
- Distance indicators between selected and nearby elements
Collaboration
- Real-time cursor positions of other users
- User name labels on cursors
- Selection highlighting per user
- Viewport indicators on minimap for each user