#include "functions.inc"

global_settings {
  radiosity { } 
}

// perspective (default) camera
camera {
  location  <5, -0.8,  0.0>
  look_at   <0.0, 0.0,  0.0>  
  up        1*y
  right     2*x 
  angle     33
}           
    
light_source {
  0*x                  // light's position (translated below)
  color rgb 0.95       // light's color
  translate <5, -0.8, 0>
}  


isosurface {
  function { pow(x,2) + pow(y,2) + pow(z,2) - pow(0.4,2) + 0.05*sin(20*(x+y+z+f_noise3d(x*2,y*2,z*2)))}
  accuracy 0.001
  max_gradient 4
  contained_by { sphere { 0, 0.5 } }
  pigment { color rgb <0.5, 0.5, 1.0> }  
  finish { ambient 0.0 brilliance 1.2 phong 0.4 }
}
  
isosurface {
  function { pow(x,2) + pow(y,2) + pow(z,2) - pow(0.4,2) + 0.05*sin(20*(x+y+z+f_noise3d(x*2,y*2,z*2)))}
  accuracy 0.001
  max_gradient 4
  contained_by { sphere { 0, 0.5 } }
  pigment { color rgb <1.0, 0.5, 0.5> }  
  finish { ambient 0.0 brilliance 1.2 phong 0.4 }     
  translate <0, 0, -1>  
}

isosurface {
  function { pow(x,2) + pow(y,2) + pow(z,2) - pow(0.4,2) + 0.05*sin(20*(x+y+z+f_noise3d(x*2,y*2,z*2)))}
  accuracy 0.001
  max_gradient 4
  contained_by { sphere { 0, 0.5 } }
  pigment { color rgb <0.5, 1.0, 0.5> }  
  finish { ambient 0.0 brilliance 1.2 phong 0.4 }  
  translate <0, 0, 1>
}
                      
// Create an infinite sphere around scene
sky_sphere {
  pigment {
    function { abs(y) }
    color_map { 
        [0.0 color rgb 1   ] 
        [1.0 color rgb <0.7, 0.7, 1> ] 
    }
  }     
}