Tweetcart: Chimes

One of my favorite tweetcarts. Showcased in the Museum of Tweetcart History.

A tweetcart is a Lua script that can run in Pico-8 and fit within a single Tweet, with 280 characters or fewer.

s=sin
c=cos
l=line::_::cls(7)u=t()/4q=.7+s(u)/9p=.75+s(u+.2)/9i=64+16*c(p)j=32*s(p)for z=1,5 do
d=u+z/5m=8*c(d)*c(q+.3)n=8*s(d)*s(q+.3)x=i+m+4*c(q)y=j+n+4*s(q)e=q-s(d+u)/30l(i,j,i+m,j+n,2)l(i,j,64,-8)for w=x-2,x+2 do
h=y+(x-w)*c(e)l(w,h,w+64*c(e),h+64*s(e))end
end
flip()goto _