Add cinematic interactive spacecraft trajectory simulator - #5
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Standalone HTML/JS demo (public/spacecraft-trajectory-simulator.html): - Simplified 2D gravitational simulation (Terra + orbiting Luna) - 4 selectable missions: orbital insertion, lunar transfer, deep space escape, and free flight sandbox - Full flight controls: rotate, prograde/retrograde thrust, throttle, time warp (pause/1x/5x/20x/100x) - Cinematic rendering: parallax starfield, glowing planet bodies, thruster particle trails, predicted orbit ellipse, velocity vector marker, chase/system/free camera modes with smooth easing and zoom - Live HUD telemetry (altitude, velocity, apoapsis/periapsis, fuel, throttle, mission clock) plus flight log and success/failure overlays - No external dependencies; runs by opening the file directly in a browser Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
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Summary
Adds a standalone, dependency-free HTML/JS spacecraft trajectory simulator at
public/spacecraft-trajectory-simulator.html. Just open the file in a browser \u2014 no build step needed.Features
Verification
Exercised headlessly via Chrome + Puppeteer:
missionStartedgate)Co-authored-by: Copilot 223556219+Copilot@users.noreply.github.com