press space to jump to a number of sides for the black polygon (i.e. 10000)
if you enter a number too big, the computer will assume 1/x = 0 so it won't work
Notes & Credits
formula by me
f(α) = π = (180 / α)√(sin² α + (1 - cos α)²)
where α is 10^-∞ (not 0)