// LAMELLA / Charge '04.01
// By Tsutomu HIGO  URL: http://www.asahi-net.or.jp/~nj2t-hg/

#version 3.5;
global_settings {
  max_trace_level 5
  assumed_gamma 2.2
  }

union {
  light_source {
    <0, -5, 0>
    color rgb <0.5, 0.3, 0.1>
    rotate z*50 rotate y*-40
    }
  isosurface {
    function {x*x+z*z-9*pow(sin(60*(y+0.2*(x*x+z*z))),10)
      *sin(60*atan(z/x)+sin(pi*6*1/sqrt(x*x+z*z+0.1)))
      *cos(pi*(y-0.2*(x*x+z*z))/6)}
    threshold 0
    max_gradient 600
    contained_by {box {<-6, -3, -6>, <6, 5, 6>}}
    texture {
      pigment {color rgbt <1, 1, 1, 0.95>}
      finish {
        ambient 0.02
        diffuse 0.5
        reflection 0.8
        specular 0.8
        phong 1
        brilliance 1
        }
      }
    }
  no_shadow
  scale 3
  rotate z*50 rotate y*40
  }

background {color rgb <0.3, 0.1, 0>}

camera {
  location <-7, 2, 12>
  angle 100.0
  look_at <-1, 2, 0>
  }