// fork from tw:ina_ani:シンプル
addDescription("h1","奥行き感")

scale(2)
 fs("black")
  rect()
!a = 5
scale(0.005)
 loop(500)
  !a = a + rand()
  rotate(rand()*2)
   shift(0,a)
    scale(a/5)
     fs(rgb(floor(rand()*100),floor(a+10),floor(rand()*100)))
      lw(0.05)
       circle()