public override List<string> render()
{
List<String> s = base.render();
s.Add(@"pigment{
bozo turbulence " + turbulence
+ @" color_map {
[0.0 color rgb <0.5, 0.5, 1.0>] //LightBlue
[0.5 color rgb <0.5, 0.5, 1.0>] //LightBlue
[0.6 color rgb <1.0, 1.0, 1.0>] //White
[1.0 color rgb <0.5, 0.5, 0.5>] //Grey
} // end of color_map
} // end of pigment
finish { diffuse 0.9 phong 1}}");
return s;
}