▲Triangle Twister▼
Live Demo... https://www.dwitter.net/d/14755
Actual Javascript Code..
with(x)for(i=219;i--;fill())for(beginPath(j=3);j--;arc(960,540,i*9,a=j/.477+S(i/2+t)/2+.52,a))fillStyle=`hsl(${i-t*19} 99%${30+S(i)*30}%`
Live Demo... https://www.dwitter.net/d/14755
Actual Javascript Code..
with(x)for(i=219;i--;fill())for(beginPath(j=3);j--;arc(960,540,i*9,a=j/.477+S(i/2+t)/2+.52,a))fillStyle=`hsl(${i-t*19} 99%${30+S(i)*30}%`