t+=0.01;background(0);for(y=0;y<720;y+=90){f=-f;for(x=-9;x<729;x+=9){

stroke((s=sq(sin((x+y)*.05*noise(y,x*.001+t*.05)*.5+t*f)))*999);

line(x-9,y+(p=(pow(1-s,8))*90),x+9,y+p+25);}}}