(fn[rq rs](let[t"RotUr"c(.getAttribute rq"c")]((:ht c)
[:head][:body[:button{:onclick"fs()"}"+"]
 [:canvas#c{:width 1024 :height 600}][:script"
var ce=document.getElementById('c')
var c=ce.getContext('2d')
function t(){
 c.fillStyle='#fff'
 c.fillRect(0,0,1024,600)
 c.fillStyle='#000'
 d=0.15
 e=15
 x0=30
 tn=new Date().getTime()/1000-0x5608aa2b
 for(i=0;i<28;i++){
  c.beginPath()
  c.moveTo(x0+
   i*2*e+Math.sin(tn*Math.PI/(1<<i)-d)*e,
   300-Math.cos(tn*Math.PI/(1<<i)-d)*e)
  c.lineTo(x0+
   i*2*e+Math.sin(tn*Math.PI/(1<<i)+d)*e,
   300-Math.cos(tn*Math.PI/(1<<i)+d)*e)
  c.lineTo(x0+
   i*2*e+Math.sin(tn*Math.PI/(1<<i)+Math.PI-d)*e,
   300-Math.cos(tn*Math.PI/(1<<i)+Math.PI-d)*e)
  c.lineTo(x0+
   i*2*e+Math.sin(tn*Math.PI/(1<<i)+Math.PI+d)*e,
   300-Math.cos(tn*Math.PI/(1<<i)+Math.PI+d)*e)
  c.fill()}
 c.fillStyle='#ccc'
 for(i=1;i<8;i++)
  c.fillRect(x0+120*i,300-30,1,60)
 window.requestAnimationFrame(t)}
window.requestAnimationFrame(t)
t()
function fs(){
 ce.webkitRequestFullScreen(Element.ALLOW_KEYBOARD_INPUT)
 ce.width=1024
 ce.height=600
 t()}"]])))