particle system

resolve asset merge conflict

adjusted gravity

try to get orbits working again

code cleanup pt1

idk

make pretty pt2

merged because oops

code cleanup

merged auth and entities, some planet stuff may be slightly broken

orbits

Merge branch 'master' of https://gitlab.com/starkingdoms.tk/starkingdoms.tk

terrible orbit code

Merge branch 'master' of https://gitlab.com/starkingdoms.tk/starkingdoms.tk

what changed

attempt to fix force calc

force-based

working on vis_viva

update astronomical constants

update planetary constants