Particle Chamber
https://www.dwitter.net/d/22022
t?T=(a,b)=>(a%b+b)%b:X=Y=540
c.style.filter='sepia()invert('
for(Z=i=1e4;--i;)x.fillRect(T(X+=S(Z+=t*60&i),1920),T(Y+=C(Z),1080),1,.1)
https://www.dwitter.net/d/22022
t?T=(a,b)=>(a%b+b)%b:X=Y=540
c.style.filter='sepia()invert('
for(Z=i=1e4;--i;)x.fillRect(T(X+=S(Z+=t*60&i),1920),T(Y+=C(Z),1080),1,.1)