// CLUSTERS / Clusters 2 '07.01
// by Tsutomu HIGO  URL:http://www.asahi-net.or.jp/~nj2t-hg/

#version 3.6;
global_settings {
  max_trace_level 5
  assumed_gamma 2.2
  }

camera {
  location <-30, 50, -30>
  look_at <-25, -10, 50>
  angle 80
  }

light_source {<130, 50, 200> color rgb <0.7, 0.5, 0.4>}

union {
  #declare Kmax=5;
  #declare K=Kmax;
  #while (K>3)
    #declare Jmax=10;
    #declare J=Jmax;
    #while (J>-8)
      #declare Imax=3000;
      #declare I=Imax;
      #while (I>0)
        disc {
          <50*J-25+pow(-1,K)*12.5, 0, 25*pow(3,0.5)*K>
          y, 25*(1-pow(0.9,I)), 20*(1-pow(0.9,I))
          translate y*-2*I
          }
      #declare I=I-1; #end
    #declare J=J-1; #end
  #declare K=K-1; #end
  texture {
    pigment {color rgbt <1, 1, 1, 0.99>}
    finish {
      ambient 0.3
      diffuse 0.5
      reflection 1
      specular 0.3
      phong 0.2
      brilliance 0.5
      }
    }
  no_shadow
  }

background {color rgb <0.05, 0.08, 0.1>}