EPICYCLE

THE FOURIER DRAWING MACHINE

warming up the gears…
CURVE β€” PICK ONE, OR DRAW YOUR OWN
MACHINE
SHOW
FOURIER SPECTRUM Β· |ck|
harmonic k = βˆ’48 … +48 Β· cyan bars are engaged
drag to orbit Β· scroll to zoom Β· press D and draw anything Β· H for all keys

EPICYCLE β€” KEYS

1 – 7load a preset curve
Ddraw mode β€” sketch on the plane, release to build
Spaceplay / pause the machine
+ / βˆ’add / remove 8 circles
Ctoggle rings & arms
Ttoggle comet trail
Gtoggle target outline
Atoggle harmonic sonification
Rtoggle auto-orbit
Ssave a PNG snapshot
Hthis help

every drawing is a sum of spinning circles β€” p(t) = Ξ£ ckΒ·ei2Ο€kt Β· click to close