setup=()=>createCanvas(w=200,w)+pixelDensity(1)+background(1)
draw=()=>{loadPixels()
p=pixels.copyWithin(8e4,9,3e4)
p.copyWithin(p[8e4+9]*p[15e4],w*w,w*(2*w+ ++p[15e4]))
for(x=1;x<159e3;x+=2+p[15e4])p[x-p[int(x/w)]]=dist(x/4%w,int(x/800),9,w);
updatePixels()}//#つぶやきprocessing