The fastest speed this engine's own 60fps camera math can still model
with real detail — not an arbitrary round number, and not simply "as
fast as the slider can turn": the fixed camera-route fixture (see
routeCameraSimulator.ts) directly measured that a fast, close orbiter's
flight path develops genuine, hard-to-smooth curvature spikes once
playback speed lets it complete a meaningful fraction of its own orbit
within a single rendered frame — denser sampling only helps so much,
because at that point the aliasing is real geometry, not an artifact.
Anchored to real solar-system bodies this engine actually includes
(see solarSystemData.ts), at "the reference body takes at least 1 real
second per orbit at 60fps" (60 frames/orbit — comfortably smooth):
Phobos (fastest NATURAL moon modelled, ~7.65h period) would allow
~7.65 h/s; the ISS (the fastest body of any kind modelled — its own
comment already calls it a deliberate stress-test, not a body meant to
track like any other) would need ~1.55 h/s to stay equally smooth.
6 h/s splits the difference: comfortably smooth for real natural
bodies down to Phobos's own period, while accepting that the ISS/
Hubble-altitude stress-test case still blurs at max speed, same as it
already did before this cap existed.
The fastest speed this engine's own 60fps camera math can still model with real detail — not an arbitrary round number, and not simply "as fast as the slider can turn": the fixed camera-route fixture (see routeCameraSimulator.ts) directly measured that a fast, close orbiter's flight path develops genuine, hard-to-smooth curvature spikes once playback speed lets it complete a meaningful fraction of its own orbit within a single rendered frame — denser sampling only helps so much, because at that point the aliasing is real geometry, not an artifact.
Anchored to real solar-system bodies this engine actually includes (see solarSystemData.ts), at "the reference body takes at least 1 real second per orbit at 60fps" (60 frames/orbit — comfortably smooth): Phobos (fastest NATURAL moon modelled, ~7.65h period) would allow ~7.65 h/s; the ISS (the fastest body of any kind modelled — its own comment already calls it a deliberate stress-test, not a body meant to track like any other) would need ~1.55 h/s to stay equally smooth. 6 h/s splits the difference: comfortably smooth for real natural bodies down to Phobos's own period, while accepting that the ISS/ Hubble-altitude stress-test case still blurs at max speed, same as it already did before this cap existed.