fix starfield alignment(?)

chore: fix gravity

chore: fix more things

stabilization iterations

chore: fix warnings

fix: parts

fix: parts

feat: part & attachment beginnings

feat: drag

batch spawning particles

sampling now clamps to the end of the spline correctly

scaling added, along with fixes to sampling

more insanity

i'm going insane because of rebase

particles are back (cmon git)

fix: missing clamps

feat?: the worst particle editor of all time

fix: make it compile :p

fix: new LifetimeCurve for peffect

chore: newtype linearsplines for particle system