1 changed files with 0 additions and 147 deletions
@ -1,147 +0,0 @@ |
|||||||
# UI Implementation Plan - Body Selection and Information Display |
|
||||||
|
|
||||||
## Overview |
|
||||||
Add UI elements using raygui to list celestial bodies and display detailed information about selected bodies. |
|
||||||
|
|
||||||
## UI Library Choice |
|
||||||
**raygui** - raylib's official immediate-mode GUI library |
|
||||||
- Seamless integration with existing raylib code |
|
||||||
- Lightweight and follows raylib's C-style conventions |
|
||||||
- Provides `GuiListView()` for body lists and `GuiWindowBox()` for information panels |
|
||||||
- No additional dependencies beyond raylib |
|
||||||
|
|
||||||
## Implementation Status: ✅ COMPLETED |
|
||||||
|
|
||||||
All phases have been successfully implemented. See `docs/ui_implementation_summary.md` for detailed implementation summary. |
|
||||||
|
|
||||||
## Implementation Phases |
|
||||||
|
|
||||||
### ✅ Phase 1: Add raygui Submodule (COMPLETED) |
|
||||||
1. **Added raygui as git submodule** in `ext/raygui/` |
|
||||||
- Follows existing pattern with `ext/` directory |
|
||||||
- Keeps raygui version-controlled and easily updatable |
|
||||||
- Matches current dependency management approach |
|
||||||
|
|
||||||
2. **Updated .gitmodules** |
|
||||||
- Added new entry for raygui submodule |
|
||||||
|
|
||||||
### ✅ Phase 2: Update Build System (COMPLETED) |
|
||||||
1. **Modified Makefile** |
|
||||||
- Added raygui include path: `-I./ext/raygui/src` |
|
||||||
- Added raygui.c compilation integration |
|
||||||
- Updated linking to include raygui objects |
|
||||||
|
|
||||||
2. **Integration approach** |
|
||||||
- Followed existing pattern from tomlc17 integration |
|
||||||
- Added raygui implementation with `#define RAYGUI_IMPLEMENTATION` in renderer.cpp |
|
||||||
|
|
||||||
### ✅ Phase 3: Code Integration (COMPLETED) |
|
||||||
1. **Updated renderer.h** |
|
||||||
- Added raygui include with `#define RAYGUI_IMPLEMENTATION` |
|
||||||
- Extended RenderState with UI fields: |
|
||||||
- `int selected_body_index` // -1 = no selection |
|
||||||
- `bool show_body_list` // Toggle for list panel |
|
||||||
- `bool show_body_info` // Toggle for info panel |
|
||||||
|
|
||||||
2. **Added UI functions to renderer.h** |
|
||||||
- `void render_body_list_ui(SimulationState* sim, RenderState* render_state);` |
|
||||||
- `void render_body_info_ui(SimulationState* sim, RenderState* render_state);` |
|
||||||
|
|
||||||
### ✅ Phase 4: Implementation Details (COMPLETED) |
|
||||||
1. **UI Layout Strategy** - IMPLEMENTED |
|
||||||
- Left panel (200px x 400px): Body list using `GuiListView()` |
|
||||||
- Right panel (250px x 300px): Detailed info using `GuiLabel()` |
|
||||||
- Both panels toggleable with keyboard shortcuts |
|
||||||
|
|
||||||
2. **raygui-specific considerations** - IMPLEMENTED |
|
||||||
- raygui immediate-mode integration in renderer.cpp |
|
||||||
- Used `#define RAYGUI_IMPLEMENTATION` in renderer.cpp |
|
||||||
- Compiled alongside raylib without conflicts |
|
||||||
|
|
||||||
3. **Controls Integration** - IMPLEMENTED |
|
||||||
- 'B' key: Toggle body list panel |
|
||||||
- 'I' key: Existing info toggle (simulation info) |
|
||||||
- Mouse: Select from list, close panels with X button |
|
||||||
- ESC: Quit (unchanged) |
|
||||||
|
|
||||||
4. **Body Information Display** - IMPLEMENTED |
|
||||||
When a body is selected, displays: |
|
||||||
- Name, mass, radius |
|
||||||
- Current position (x, y, z) and velocity magnitude |
|
||||||
- Orbital parameters (eccentricity, semi-major axis) |
|
||||||
- Parent body and SOI radius |
|
||||||
|
|
||||||
### ✅ Phase 5: Integration and Polish (COMPLETED) |
|
||||||
1. **Updated main render loop** |
|
||||||
- UI rendering functions called after 3D rendering before `EndDrawing()` |
|
||||||
- Proper depth ordering maintained (3D scene → UI panels → end frame) |
|
||||||
- UI state initialized in main.cpp |
|
||||||
|
|
||||||
2. **User experience enhancements** - PARTIALLY IMPLEMENTED |
|
||||||
- Body list and info panels functional |
|
||||||
- Selection persists across frames |
|
||||||
- Info panel auto-opens when body selected |
|
||||||
- Window close (X) buttons functional |
|
||||||
|
|
||||||
## Key Technical Details (IMPLEMENTED) |
|
||||||
|
|
||||||
### raygui Functions Used: |
|
||||||
- `GuiWindowBox(bounds, title)` - Draggable window containers |
|
||||||
- `GuiListView(bounds, text, scrollIndex, active)` - Scrollable body list |
|
||||||
- `GuiLabel(bounds, text)` - Multi-line information display |
|
||||||
|
|
||||||
### Data Flow: |
|
||||||
1. Simulation populates `SimulationState` with bodies |
|
||||||
2. UI reads body names from `sim->bodies[i].name` and converts to semicolon-separated string |
|
||||||
3. Selection updates `render_state->selected_body_index` |
|
||||||
4. Info panel displays detailed data from selected body |
|
||||||
|
|
||||||
### Layout Strategy (IMPLEMENTED): |
|
||||||
- Body list: Left side of screen (200px wide, 400px tall) |
|
||||||
- Info panel: Right side of screen (250px wide, 300px tall) |
|
||||||
- Both panels can be toggled independently |
|
||||||
- Maintain existing 3D viewport in center |
|
||||||
|
|
||||||
## Files Modified: |
|
||||||
1. ✅ **Makefile** - Added raygui compilation |
|
||||||
2. ✅ **src/renderer.h** - Added UI declarations and RenderState extensions |
|
||||||
3. ✅ **src/renderer.cpp** - Implemented UI rendering functions and raygui integration |
|
||||||
4. ✅ **src/main.cpp** - Initialize UI state and add keyboard controls |
|
||||||
5. ✅ **.gitmodules** - Added raygui submodule entry |
|
||||||
|
|
||||||
## Integration Notes (VERIFIED): |
|
||||||
- ✅ Maintains C-style architecture |
|
||||||
- ✅ Immediate-mode UI fits existing rendering loop |
|
||||||
- ✅ Minimal state management required |
|
||||||
- ✅ Follows existing dependency patterns (git submodules) |
|
||||||
|
|
||||||
## Bug Fixes |
|
||||||
|
|
||||||
### GuiListView Return Value Bug (FIXED) |
|
||||||
**Issue**: GuiListView() always returns 0 (known raygui bug), preventing body selection from working. |
|
||||||
|
|
||||||
**Solution**: |
|
||||||
- Added `body_list_scroll` and `body_list_active` to RenderState for state persistence |
|
||||||
- Check `body_list_active` parameter changes instead of return value |
|
||||||
- Initialize `body_list_active` to -1 in main.cpp |
|
||||||
|
|
||||||
**Reference**: https://github.com/raysan5/raygui/issues/448 |
|
||||||
|
|
||||||
**Commits**: |
|
||||||
- `85bd9ee`: Fix raygui body selection - GuiListView return value bug |
|
||||||
- `1b8e092`: Improve buffer safety in body list string construction |
|
||||||
|
|
||||||
## Future Enhancements (Optional) |
|
||||||
|
|
||||||
### Potential Improvements: |
|
||||||
- **Camera focus**: Option to focus camera on selected body |
|
||||||
- **Visual highlighting**: Highlight selected body in 3D view |
|
||||||
- **Enhanced info**: Add real-time orbital metrics |
|
||||||
- **Search functionality**: Filter body list by name |
|
||||||
- **Multiple selection**: Select multiple bodies for comparison |
|
||||||
|
|
||||||
### Advanced Features: |
|
||||||
- **Reference frame switching**: View from selected body's perspective |
|
||||||
- **Orbit manipulation**: Edit orbital parameters via UI |
|
||||||
- **Time controls**: Jump to specific orbital positions |
|
||||||
- **Export functionality**: Save body data to file |
|
||||||
Loading…
Reference in new issue