// CILIA / Console '04.02
// By Tsutomu HIGO  URL: http://www.asahi-net.or.jp/~nj2t-hg/

#version 3.5;
global_settings {
  max_trace_level 4
  assumed_gamma 2.2
  }

union {
  light_source {
    <-5, -5, 0>
    color rgb <0.6, 0.8, 1>
    }
  isosurface {
    function {-x*x-z*z+9*(1.1-pow( sin(18*(-y+4*x*x+4*z*z)),4)
      *pow(sin(18*atan(z/(x+0.0000001))+3*pi*(-y+4*x*x+4*z*z)),4))}
    threshold 0
    max_gradient 1000
    contained_by {box {<-3.5, -2, -3.5>, <3.5, 2, 3.5>}}
    texture {
      pigment {color rgb <1, 1, 1>}
      finish {
        ambient 0.05
        diffuse 0.5
        reflection 0.8
        specular 2
        phong 1
        brilliance 1
        }
      }
    }
  no_shadow
  scale <3, 3, 3>
  rotate y*-15 rotate x*90 rotate y*15
  }

camera {
  location <0, -2, 4>
  angle 90.0
  look_at <-1, 0, 0>
  }

background { color rgb <0, 0.3, 0> }