# Changelog
All notable changes to the `marss` crate are documented in this file.
Format follows [Keep a Changelog](https://keepachangelog.com/en/1.1.0/).
## [0.0.3] - 2026-04-08
### Changed
- Full rendering pipeline refactored to `ShaderEndpoint` named uniform pattern with per-endpoint constructors
- Rendering modules rewritten: atmosphere_scattering, dust_rendering, materials, shaders
### Added
- Comprehensive rendering test suite covering all rendering endpoints
## [0.0.2] - 2026-04-04
### Added
- Rendering module endpoints exported as public API: mesh.rs (icosphere subdivision, LodLevel, Vertex, MeshData), lod.rs (pixel-precise adaptive LOD), materials.rs (PBR parameters), shaders.rs (shader parameters)
- `documentation` and `homepage` fields in Cargo.toml
- Celestial project link in README.md
### Fixed
- `Range::contains` / `RangeInclusive::contains` refactored in biosphere and hydrology tests
- Constant assertions replaced with `assert_eq!` for clippy compliance
- Logic bug in biosphere_tests (`can || !can`) corrected
## [0.0.1] - 2026-04-02
### Added
- Initial release of the `marss` crate
- 11 domain modules: atmosphere, biosphere, geodata, geology, hydrology, lighting, physics, rendering, satellites, temporal, terrain
- Integration tests covering atmosphere, geology, hydrology, and physics subsystems
- Runnable examples: climate_sim, earthquake_sim, tidal_sim
- Binary in `src/main.rs` with continuous Mars runtime tick loop
- sciforge dependency for physical, atomic, and astronomical constants
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## What is solid
- Core physics modules implemented with research-grade formulae and cross-checked with unit tests
- `main.rs` integrates subsystems with explicit feedback loops
- No `todo!()` or `unimplemented!()` remain in public code
- All values genuinely consumed through computation
## Points to watch
- Numerical stability for long-run simulations should be monitored
- Edge-case guards (division by zero, NaN propagation) must stay enforced
- Additional test coverage for biosphere, geodata, lighting, satellites, temporal, and terrain modules is desirable
## Verdict
Functional Mars simulation engine with research-grade physics. Visualization handled externally via rendering endpoints.
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## Development notes
- Edition 2024, MIT license
- Dependencies use wildcard versions
- See `ComingSoon.md` for the detailed roadmap