#include "colors.inc"
#include "stones.inc"

global_settings {
   adc_bailout 0.0039216
   ambient_light rgb <1.5, 1.5, 1.5>
   assumed_gamma 1.5
   noise_generator 3
}

light_source {
   <6.2202, 7.5281, -9.4761>, rgb <1, 1, 1>
}

#declare White = texture {
   pigment {
      color rgb <1, 1, 1>
   }
   
   finish {
      ambient rgb <0, 0, 0>
      phong 0.5
      phong_size 40
      specular 0.2
      conserve_energy
   }
}

#declare White = texture { T_Stone8 }

union {
   #declare Fr = function { 0.5 + 0.5*sin(10*v)  };
   #declare Fx = function { Fr(u,v,0)*cos(u)*sin(v) };
   #declare Fy = function { Fr(u,v,0)*cos(v)};
   #declare Fz = function { Fr(u,v,0)*sin(u)*sin(v) };
   
   #declare maxG = 2.4;
   
   #declare startU = 0;
   #declare startV = 0;
   #declare endU = 2*pi;
   #declare endV = pi;
   
   parametric {
       function { Fx(u,v,0) },
       function { Fy(u,v,0) },
       function { Fz(u,v,0) }
       <startU, startV>, <endU, endV>
       contained_by { sphere {0, 1.01} }
       max_gradient maxG
       precompute 20 x,y,z
       texture { T_Stone1 }
   }
   
   scale 2
   translate y*1.25
}

cylinder {
   <0, 1, 0>, <0, -1, 0>, 4
   scale 1
   rotate <0, 0, 0>
   translate y*(-0.25)
   
   texture {
      White
      translate y*(-20)
      rotate <0, -45, -90>
   }
}

cylinder {
   <0, 1, 0>, <0, -1, 0>, 3.75
   scale 1
   rotate <0, 0, 0>
   translate <0, 0, 0>
   
   texture {
      White
   }
}

cylinder {
   <0, 1, 0>, <0, -1, 0>, 3.5
   scale 1
   rotate <0, 0, 0>
   translate y*0.25
   
   texture {
      White
      rotate <45, -10, 0>
      translate x*100
   }
}

plane {
   <0, 1, 0>, 0
   
   texture {
      pigment {
         color rgb <0, 0.8, 0>
      }
      
      finish {
         ambient rgb <0.5, 0.5, 0.5>
         diffuse 1
      }
   }
   scale 1
   rotate <0, 0, 0>
   translate <0, 0, 0>
}

sky_sphere {
   pigment {
      gradient y
      color_map {
         [0.0 rgb <0.78, 0.85, 0.89> ]
         [0.2 rgb <0.60, 0.74, 0.88> ]
         [0.6 rgb <0.30, 0.45, 0.68> ]
      }
   }
   scale 1/2
}

camera {
   perspective
   location <-0.727618, 3.90795, -9.17627>
   sky <0, 1, 0>
   direction <0, 0, 1>
   right <1.33333, 0, 0>
   up <0, 1, 0>
   look_at <0, 2.09508, 0.202096>
}