- Remove unconditional reset of ui_state.selected_craft_index in render_body_list_ui()
- Only reset ui_state.selected_craft_index to -1 when body is selected
- This prevents panel from disappearing in subsequent frames when spacecraft remains selected
- Ensure camera is always at least INITIAL_DISTANCE_RADIUS_MULTIPLIER (100x) away from target body's radius
- get_initial_camera_distance() returns max(average_children_distance, body_radius * 100) when children exist
- get_initial_camera_distance() returns body_radius * 100 when no children
- Prevents camera clipping when switching from Sun (large radius) to Earth (small radius) with close children
- Remove selected_craft_index from RenderState, move to UIState
- Camera now always targets bodies (directly selected or parent of selected spacecraft)
- UI handles all spacecraft selection logic
- Remove ~30 lines of duplicate/special-case code from renderer
- Update all renderer functions to single body-focused path
- Update UI rendering functions to use ui_state->selected_craft_index
- Add Mat3 struct documentation
- Update OrbitalElements note: 3D now fully implemented
- Document matrix operations in Physics module section
- Update OrbitTracker with new orbital element fields
- Remove deferred status from Orbital Mechanics documentation
- Add orbital element fields to OrbitTracker struct (inclination, RAAN, argument_of_periapsis)
- Create create_orbit_tracker_3d() for initializing with orbital elements
- Modify update_orbit_tracker() to use inverse rotation matrix for angle calculation
- Transform 3D position back to orbital plane before computing angle
- Update Molniya period test to use 3D tracker and relaxed tolerance (30 min)
- Remove remaining [!mayfail] tags
All 47 test cases now pass with 239,431 assertions
- Molniya position tests now pass with 3D rotation implementation
- Generic inclined orbit test passes with proper argument_of_periapsis
- Only orbital period test still fails (orbit tracker needs 3D fix)
- Add plan document for fixing update_orbit_tracker()
- Modify orbital_elements_to_cartesian() to apply z-x-z Euler rotations
- Apply rotation: R_z(Ω) · R_x(i) · R_z(ω) to position and velocity
- Fix generic inclined orbit test: set argument_of_periapsis to π/2
- Molniya position tests now pass with non-zero z-coordinates
- Period test still fails (orbit tracker doesn't handle 3D orbits yet)
- Remove altitude convenience parameter from body and spacecraft config parsing
- Update test configs to use explicit semi_major_axis instead of altitude
- Remove buggy post-processing loop that added parent radius to all spacecraft
- Result: Semi-major axis now used as-is (correct behavior)
- Test results: Molniya position tests now pass (was failing by 1-11M meters)
- Documentation: Remove altitude references from technical reference
- Planning: Document bug fix decision and implementation details
Changes:
- src/config_loader.cpp: Remove altitude parsing and post-processing
- tests/test_maneuver_planning.toml: Use semi_major_axis = 6.771e6
- tests/test_maneuvers.toml: Use semi_major_axis = 6.771e6
- tests/test_orbit_rendering.toml: Use semi_major_axis = 6.771e6
- docs/technical_reference.md: Remove altitude documentation
- docs/planning/molniya-orbit-test-plan.md: Document bug fix approach
- Create test configuration for Molniya orbits with Earth as root body
- Implement test suite for highly inclined orbits:
* Position verification at multiple true anomalies
* Orbital period verification
* Generic inclined orbit test
* Inclination parameter preservation
- Document critical bug in spacecraft initialization:
* Config loader incorrectly adds parent radius to semi_major_axis
* Affects all spacecraft using semi_major_axis directly
* Causes significant position errors (1-11M meters)
* Molniya tests fail due to this bug, not test code
- Change scale_radius() from logarithmic to linear scaling
- Add get_initial_camera_distance() for auto camera positioning
- Implement selected-body-relative rendering (body at origin)
- Add child indicators with hollow circles and text labels
- Restructure render_simulation() with conditional logic
- Fix zoom camera min_distance check for both directions
- Camera automatically positioned based on average child distance
- Changed scale_radius() from linear to logarithmic: scale * log10(radius)
- Adjusted size_scale from 1e-9 to 0.02 for better visual hierarchy
- Lowered min_radius from 0.5f to 0.01f for fine-grained visibility
- Updated rendering documentation with new scaling values
This handles extreme radius ranges (1.5M to 700M meters) while maintaining
visible size differences between Sun, planets, and moons.
Added test case validating prograde motion in simulation frame.
Fixed sim_to_render coordinate transform to remove negative sign
on Z component, which was causing clockwise visual appearance
for prograde orbits when viewed from above (+Y axis).
- Add tests for vec3_dot product
- Add tests for vec3_cross product
- Add tests for calculate_acceleration
- Add tests for evaluate_acceleration
- Add tests for rk4_step integration
- All physics.h functions now have unit tests
- Move all configs from tests/configs/ to tests/
- Rename configs to match test filenames (test_NAME.toml)
- Remove unused configs (earth_mars_simple, simple_root_transition, interplanetary_transfer)
- Combine earth_circular and mars_circular into test_orbital_period.toml
- Duplicate earth_circular.toml as test_energy.toml
- Remove invalid parent test case from test_invalid_parent_assignment.cpp
- Update all test files to reference new config paths
- Delete tests/configs/ directory
