// SURROUND /  like a high voltage '04.03
// by Tsutomu HIGO  E-mail: nj2t-hg@asahi-net.or.jp

#version 3.5;
global_settings {
  max_trace_level 4
  assumed_gamma 2.2
  }

camera {
  location <0, 0, -20>
  angle 26
  look_at <-0.8, 0.1, 0>
  }

#declare Media = media {
  emission 0.5
  intervals 400
  samples 1, 1
  confidence 0.9999
  variance 1/100
  density {
    spherical
    turbulence 1.2
    color_map {
      [0 color rgbt <0, 0, 0, 1>]
      [0.8 color rgbt <0.5, 0.3, 1, 0>]
      [0.9 color rgb <0.5, 0.8 0.6>]
      [1 color rgbt <0, 0, 0, 1>]
      }
    scale 5
    }
  }

union {
  sphere { 0, 1000
    pigment { color rgbf <1, 1, 1, 1> }
    finish { ambient 0 diffuse 0 }
    interior { media { Media } }
    hollow
    rotate z*160 rotate x*150
    scale 1.1
    }
  sphere { <0, 0, 0>, 3 
    pigment { color rgb <0, 0, 0> }
    finish { ambient 0 diffuse 1.5 reflection 1 }
    }
  }