// Persistence of Vision Ray Tracer Scene Description File
// File: Library.pov
// Vers: 3.1
// Desc: Mystical Library 
// Date: 6 June 2000  
// Auth: Gail Shaw
                                         
// NB 1 unit = 1 metre!!                                         
                                         
#version unofficial megapov 0.5;

#include "colors.inc"

#declare Final=0;           

// Light coffee marble with darker patches.
#declare Stone7 =
texture {
  pigment
  {
    colour rgb<0.431,0.259,0.259>
  }
}
texture {
  pigment
  {
    granite
    turbulence 0.6
    color_map
    {
      [0.00 color rgbf<0.537, 0.376, 0.341, 0.729>]
      [0.15 color rgbf<0.584, 0.475, 0.329, 0.737>]
      [0.40 color rgbf<0.675, 0.475, 0.404, 0.541>]
      [0.56 color rgbf<0.757, 0.631, 0.522, 0.380>]
      [0.73 color rgbf<0.659, 0.545, 0.439, 0.675>]
      [1.00 color rgbf<0.541, 0.376, 0.341, 0.729>]
    }
  }
  rotate <0.0, 0.0, 40.0>
  scale <1.0, 3.0, 2.0>
}
texture {
  pigment
  {
    granite
    turbulence 0.6
    color_map
    {
      [0.00 color rgbf<0.808, 0.812, 0.812, 0.831>]
      [0.22 color rgbf<0.741, 0.839, 0.831, 0.843>]
      [0.24 color rgbf<0.404, 0.333, 0.333, 0.463>]
      [0.62 color rgbf<0.584, 0.588, 0.631, 0.651>]
      [0.76 color rgbf<0.914, 0.839, 0.722, 0.620>]
      [0.78 color rgbf<0.153, 0.129, 0.208, 0.435>]
      [0.81 color rgbf<0.812, 0.812, 0.812, 0.831>]
      [1.00 color rgbf<0.812, 0.812, 0.812, 0.831>]
    }
  }
  finish {
    phong 0.1    phong_size 90
  }
  rotate <0.0, 0.0, 60.0>
  scale <3.5, 5.0, 4.0>
}

background {Blue}
camera {
 location <0.5,2,-10>
 look_at <0,1,0>    
 angle 40
}

/*light_source {
 <-5,10,-50>
 White
}*/   

light_source {
 <-8,0.72,-10>
 rgb <0.9,0.9,1>*0.4
 //fade_distance 8
 //fade_power 1   
}  

light_source {
 <-2,0.72,-10>
 rgb <0.9,0.9,1>*0.4
 //fade_distance 8
 //fade_power 1   
}

light_source {
 <-5,30,0>
 White
}

// floating boxes

box {
 <0,0,0>,<1.9,-1,1.5>
 translate <-0.8,0,-4>
 texture {Stone7 scale 0.25}
}

// other boxes commented out for clarity
    
/*
box {
 <0,0,0>,<2.5,-1.2,2>
 translate <-0.8,-0.15,2>
 texture {Stone7 scale 0.25}
}   

box {
 <0,0,0>,<1.1,-1,1.1>
 translate <-3.4,-0.1,-1.5>
 texture {Stone7 scale 0.25}
} 

box {
 <0,0,0>,<1.2,-1.1,1.2>
 translate <1.6,0,-3.2>
 texture {Stone7 scale 0.25}
}                           

box {
 <0,0,0>,<1.9,-1,1.5>
 translate <-1.1,-0.1,-1.3>
 texture {Stone7 scale 0.25}
}  

box {
 <0,0,0>,<1.4,-1,1.4>
 translate <-3.35,0.15,-0.2>
 texture {Stone7 scale 0.25}
}   
 
box {
 <0,0,0>,<1.2,-1,1.2>
 translate <0.8,0,-0.9>
 texture {Stone7 scale 0.25}
}  

box {
 <0,0,0>,<1.4,-1,1.3>
 translate <2.8,0,0.5>
 texture {Stone7 scale 0.25}
}
*/

// side wall

union {
 box {
  <7,-2.6,-6>,<8,0.4,21>
  texture {Stone7 scale 0.25}
 }
 box {
  <7.95,0,-6>,<8.1,12,21>
  pigment {LightWood}
 }
 rotate y*-20
 translate z*-0.5
}      

// horizontal blocks and back wall.
union {
 box {
  <-6,-1.6,9.5>,<1.5,0.4,10.5>
 }
 box {
  <-6,-1.6,14.5>,<4,0.4,15.5>
 }
 box {
  <-6,-1.6,4.5>,<-1.5,0.4,5.5>
 }
 box {
  <-6,-2.6,18.5>,<7.5,0.4,19.5>
 }
 box {
  <7.935,0,19.4>,<-10,6.5,19.6>
  pigment {LightWood}
 } 
 texture {Stone7 scale 0.25}
 rotate y*-20
 translate z*-0.5
}

// ceiling and floor

box {
 <-20,6.5,-20>,<8,7,41>
 pigment {LightWood}
 finish {ambient 0.7} 
 no_shadow 
 hollow
 rotate y*-20
 translate z*-0.5
}

box {
 <-20,-2.5,-20>,<9,-3,41>
 pigment {LightWood}
 finish {ambient 0.7} 
 no_shadow
 hollow
 rotate y*-20
 translate z*-0.5
}

// ground fog
#if (Final=0)   
 fog {
  fog_type   2
  distance   0.3
  color      rgb 0.7 // gray
  fog_offset -0.7
  fog_alt    0.15
  turbulence 1.5  
  turb_depth 0.8
 }
#else  
 box { 
  <-15,-3,-15>,<15,-0.3,45>
  pigment { rgbf 1 }
  hollow
  interior {
   media {
    absorption 0.7    
    emission 0.7
    scattering {2, rgb<.25,.25,.25> extinction 1 }
    intervals 1 samples 1
    confidence 0.8 variance 1/32
    method 3      
    density {
     gradient y
     color_map {
      [0 rgb 1]
      [1 rgb 1]
     }
    }                  
   }
  } 
 }
#end