Fourier series in PICO-8 #Pico1k

Fourier series' showcase made in 355 characters. Tried to fit it in 280 for it to be a tweetcart but couldn't.

even though i have no twitter

Source code:

c=camera l=line b=btnp t=0i=0w={}::_::t-=0.0174533if(b(➡️))i+=1 if(b(⬅️))i-=1 cls()c(0,0)?"< > to change iters:"..i,7 c(-32,-64)x=0y=0for i=0,i do px=x py=y n=i*2+1r=20*(4/(n*3.14))x+=r*cos(n*t)y+=r*sin(n*t)c(-32,-64)circ(px,py,r,5)l(px,py,x,y,7)end l(x,y,32,y, 6)add(w,y,1) if(#w>63)del(w,w[#w]) c(-64,-64)for i=1,#w do pset(i,w[i],7)end flip()goto _

and yes, you can go to negative iterations

because yes