camera {
  location  <9*sin(clock*6.283), 8, -9*cos(clock*6.283)>
  look_at   <0, 0, 0>
  angle 90
}

light_source { <10, 30, -20> color red 1 green 1 blue 1 }

plane { z,1.5
 pigment {
  image_map {gif "fwood.gif"}
  scale 20
 }
 rotate x*90
 finish {reflection .9}
}
 

blob {
  threshold 0.5
  cylinder { <-7, 0, 0>, <7, 0, 0>, 4, 2 }
  cylinder { <0, 0, -7>, <0, 0, 7>, 4, 2 }
  sphere { <0, 3, 0>, 13.1*(.5+.5*cos(3.14159+3.14159*2*clock)), -4 }

  pigment { color rgbt <1, 1, 1, .9>}
  finish { phong 1 refraction 1 ior 1.5}

  rotate <-30, 0, 0>
}