// MOD / Crowd '03.06
// By Tsutomu HIGO  URL: http://www.asahi-net.or.jp/~nj2t-hg/

#version 3.5;
global_settings {
  max_trace_level 2
  assumed_gamma 2.2
  }

camera {
  location <10, 15, -10>
  look_at <0, 2, 0>
  angle 30
  }

light_source {<-50, 150, -75> color rgb <1, 1, 1>}

isosurface {
  function {(pow(mod(x-0.9*sin(pow(x*x*z*z,0.3))+8,1.5)-0.75,2)
            +pow(mod(z-0.9*sin(pow(x*x*z*z,0.3))+8,1.5)-0.75,2)
            +pow(y-15/(x*x+z*z+5),2)-0.09)*(y-15/(x*x+z*z+5)+0.8)-0.07}
  threshold 0
  max_gradient 50
  contained_by {box {<-15, -2, -8>, <7, 4, 15>}}
  //open
  texture {
    pigment {color rgb <1, 1, 1>}
    finish {
      ambient 0.2
      diffuse 0.3
      reflection 0.6
      specular 1
      phong 0.3
      brilliance 1
      }
    }
  no_shadow
  }

background {color rgb <0, 0.2, 0.7>}

sky_sphere {
  pigment {
    gradient y
    color_map {
      [0.0 color rgb <0.7, 0.7, 1.0>]
      [1.0 color rgb <0, 0, 0.5>]
      }
    }
  }