// CLUSTERS / Clusters 6 '07.01
// by Tsutomu HIGO  URL:http://www.asahi-net.or.jp/~nj2t-hg/

#version 3.6;
global_settings {
  max_trace_level 6
  assumed_gamma 2.2
  }

camera {
  location <20, 300, -125>
  look_at <230, 10, 200>
  angle 50
  }

light_source {<-100, 600, 500> color rgb <1, 0.8, 0.7>}

#declare R1 = seed(22);

union {
  #declare Jmax=15;
  #declare J=Jmax;
  #while (J>0)
    #declare Imax=100;
    #declare I=Imax;
    #declare Pichi=<400*rand(R1), 0, 400*rand(R1)>;
    #while (I>-20)
      disc {
        <0, 0, 0>
        y, 30*pow(0.97,I), 20*pow(0.97,I)
        translate Pichi translate y*2*I
        }
    #declare I=I-1; #end
  #declare J=J-1; #end
  texture {
    pigment {color rgbt <1, 1, 1, 0.9999>}
    finish {
      ambient 1.3
      diffuse 1
      reflection 1
      specular 0.8
      phong 0.5
      brilliance 1
      }
    }
  no_shadow
  }

background {color rgb <0.1, 0.2, 0.3>}