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

#version 3.5;
global_settings {
  max_trace_level 5
  assumed_gamma 2.2
  }

union {
  light_source {
    <-5, -5, 0>
    color rgb <1, 1, 1>
    }
  isosurface {
    function {-x*x-z*z+9*(1.1-sin(30*(y-sin(1/(x*x+z*z+1))))
      *pow(sin(20*atan(z/(x+0.0001))+3*(y-sin(1/(x*x+z*z+1)))),12))}
    threshold 0
    max_gradient 1500
    contained_by {box {<0, -3, -3.5>, <3.5, 1, 3.5>}}
    texture {
    pigment {color rgb <0.6, 0.8, 1>}
      finish {
        ambient 0.05
        diffuse 0.5
        reflection 0.5
        specular 1
        phong 1
        brilliance 1
        }
      }
    }
  no_shadow
  scale <3, 3, 3>
  rotate y*-60 rotate x*90 rotate y*15
  }

camera {
  location <0, 1, 1>
  angle 110.0
  look_at <0, 0, 0>
  }

background {color rgb <0.2, 0.2, 0>}