// GLOW / TOWER of LIGHT '01.07
// By Tsutomu HIGO  E-mail: nj2t-hg@asahi-net.or.jp

#version 3.1;
global_settings {
  max_trace_level 300
  assumed_gamma 2.2
  }

light_source {<0,0, -100> color <0.5,1,0.8>}

camera {
  location <0, 0, -50>
  angle 0.4
  look_at <0, -0.06, 0>
  }

union {
  sphere { <0,0,50> 100
    pigment {color rgbt <0,0,0.2,0>}
    scale <2,2,50>
    finish {ambient 2}
    }
  sphere { <0,0,50> 50
    pigment {color rgbt <0,0,0,0.99>}
    finish { reflection 0.04 phong 20 }
    scale <0.3,0.3,30> rotate z*0
    }
  sphere { <0,0,50> 50
    pigment {color rgbt <0,0,0,0.99>}
    finish { reflection 0.04 phong 20 }
    scale <0.3,0.5,30> rotate z*-90
    }
  sphere { <0,0,-102> 105
    pigment { granite
      color_map{
        [0 color rgbt <0,0,1,0.7> ]
        [1 color rgbt <0,0,0,0.2>]
        }
      scale 1
      turbulence 0.2
      }
    normal { bumps 1 scale 10 }
    }
  no_shadow
  }