VCO Tweet

The object has no applications to chemistry, physics, physiology, engineering, medicine, agriculture, nor any practical use of any kind. Yet none dispute that it is very compelling.
- E.D.B.

This is an animation of a Toroflux as it expands and collapses, better known by some as a V.C.O.

Remix it on pico-8-edu.com

This cart is tweetable at just 228 characters.

c=cos
s=sin
::_::
cls()
line()
a=t()/9
p=s(a/1.3)^2/4
for i=0,200do
i/=200
r=(1+c(p*2))/2.5+c(i*13)
u=c(i+a*4)
v=s(i+a*4)
z=s(i*13)
x=r*u+z*v*s(p)
y=r*v-z*u*s(p)
line(25*(x*c(a)-z*c(p)*s(a))+64,25*y+64,i*5.9+8)
end
flip()
goto _

About

See the explainer on GitHub