vibe coding an orbital mechanics simulation to try out claude code

cinnaboot e831e76b3e Add test cases for prograde burn at periapsis Documents a bug where true anomaly triggers set to 0 (periapsis) don't execute because the spacecraft moves past periapsis before the trigger check happens. The trigger check occurs after physics propagation in the simulation update order. - test_periapsis_burn.cpp: Three test cases demonstrating expected behavior 1. Verify periapsis distance is preserved after prograde burn (fails - shows bug) 2. Verify apoapsis raises and periapsis stays same (skipped - depends on fix) 3. Verify burn location equals new periapsis (skipped - depends on fix) - test_periapsis_burn.toml: Test configuration with elliptical orbit satellite starting at periapsis with a true anomaly trigger at 0		5 months ago
configs	Remove deprecated comet orbit test and config	6 months ago
docs	update manual TODO and add FIXMEs	5 months ago
ext	Add raygui integration and UI functionality for body selection	6 months ago
src	Remove redundant propagate_state_by_dt helper, inline logic directly	5 months ago
tests	Add test cases for prograde burn at periapsis	5 months ago
.gitignore	add new test binary to .gitignore	5 months ago
.gitmodules	Add raygui integration and UI functionality for body selection	6 months ago
AGENTS.md	Fix UI: maneuver status updates, ZII initialization, helper functions for cache checks	5 months ago
Makefile	update ctags when running make	5 months ago
README.md	Restructure documentation: extract and consolidate	6 months ago
opencode.json	Restructure documentation: extract and consolidate	6 months ago

README.md

Orbital Mechanics Simulation

A 3D orbital mechanics simulation using a 2-body gravitational model with sphere of influence (SOI) transitions.

Features

2-body gravitational physics with SOI transitions
Configurable star systems via toml files

Getting Started

Cloning the Project

git clone --recursive https://github.com/yourusername/claudes_game.git
cd claudes_game
git submodule update --init --recursive  # If already cloned without --recursive

Dependencies (Debian 13)

sudo apt update
sudo apt install -y build-essential g++ make libx11-dev libxcursor-dev \
    libxrandr-dev libxinerama-dev libxi-dev libgl1-mesa-dev libglu1-mesa-dev \
    libcatch2-dev

Building

make              # Build raylib (first time) and compile sources
make rebuild      # Clean and rebuild
make clean-all    # Clean everything including raylib

Running

./orbit_sim       # Run with the default solar system configuration

Documentation

Technical Reference - Data structures and module overview

Testing

make test              # Run full automated test suite

All tests use Catch2 framework with configurable time steps and durations.

License

This project is provided as-is for educational and research purposes.