// Exemplo de arquivo de descricao de cena para POV-ray
// Last edited on 2010-03-04 15:44:01 by stolfi

// ======================================================================
// CORES E TEXTURAS

background{ color rgb < 0.75, 0.80, 0.85 > }

#declare roleta = seed(477);

#declare tx_plastico = 
  texture{
    pigment{ color rgb < 0.10, 0.80, 1.00 > }
    finish{ diffuse 0.8 ambient 0.1 specular 0.5 roughness 0.005 }
  }

#declare tx_money = 
  texture{
    pigment{ color rgb < 0, 1, 0 > }
    finish{ diffuse 0.9 ambient 0.1 }
  }

#declare tx_tronco = 
  texture{
    pigment{ color rgb <1, 0.7, 0.7 > }
    finish{ diffuse 0.9 ambient 0.1 }
  }

#declare tx_fosca = 
  texture{
    pigment{ color rgb < 0.7, 0.1, 0.2 > }
    finish{ diffuse 0.1 reflection 0.7*< 0.7, 0.1, 0.2 > ambient 0.1 }
  }

#declare tx_vidro = 
  texture{
    pigment{ color rgb < 1, 1, 1.00 > filter 0.70 }
    finish{ diffuse 0.03 reflection 0.25 ambient 0.02 specular 0.01 roughness 0.005 }
  }

#declare tx_glass = 
  texture{
    pigment{color rgb < 0.8, 0.8, 1 > filter 0.90 }
    finish{ diffuse 0.03 reflection 0.25 ambient 0.02 specular 0.01 roughness 0.005 }
  }


#declare tx_xadrez =
  texture{
    pigment{ checker color rgb < 0.10, 0.32, 0.60 >, color rgb < 1.00, 0.97, 0.90 > }
    finish{ diffuse 0.9 ambient 0.1 }
    scale 2.0
  }

// ======================================================================
// DESCRIÇÃO DA CENA 

#declare raio = 5.000;
#declare prob = 0.1;
// Partes da cena:

#declare fi = (sqrt(5)-1)/2;
#declare fi2 = (sqrt(5)+1)/2;

#declare dodecaedro =
union{
  intersection{
    plane{<1,0,fi>, 1}
    plane{<-1,0,fi>, 1}
    plane{<1,0,-fi>, 1}
    plane{<-1,0,-fi>, 1}
    plane{<fi,1,0>, 1}
    plane{<fi,-1,0>, 1}
    plane{<-fi,1,0>, 1}
    plane{<-fi,-1,0>, 1}
    plane{<0,fi,1>, 1}
    plane{<0,-fi,1>, 1}
    plane{<0,fi,-1>, 1}
    plane{<0,-fi,-1>, 1}  
  }
}

#declare octaedro =
union{
  intersection{
    plane{<1,1,1>, 1}
    plane{<-1,1,1>, 1}
    plane{<1,-1,1>, 1}
    plane{<1,1,-1>, 1}
    plane{<-1,-1,1>, 1}
    plane{<1,-1,-1>, 1}
    plane{<-1,1,-1>, 1}
    plane{<-1,-1,-1>, 1}
  }
}

#declare icosaedro =
union{
  intersection{
    object{dodecaedro scale 1.09}
    object{octaedro}
  }
}

#declare cubo =
union{
  intersection{
    plane{<0,0,1>, 1}
    plane{<0,0,-1>, 1}
    plane{<1,0,0>, 1}
    plane{<-1,0,0>, 1}
    plane{<0,-1,0>, 1}
    plane{<0,1,0>, 1}
  }
}

#declare aloha =
union{
  intersection{
    object{octaedro scale 1.15}
    object{cubo}
  }
}


#declare chao = 
  box{ <-20,-20,-1>, <+20,+20,0> }

#include "eixos.inc"

// Aqui está a cena, finalmente:

  object{ chao  translate < 0,0,-5 > texture{ tx_xadrez } }
  object{ eixos(3.00) }

  object{dodecaedro texture{tx_glass}   interior{ior 1.2} }
  object{octaedro texture{tx_glass}   interior{ior 1.2} translate<0,3,0> }
  object{cubo texture{tx_glass}   interior{ior 1.2} translate<0,6,0>}
  object{icosaedro texture{tx_glass} translate<0,9,0> }
  object{aloha texture{tx_glass}  translate<0,12,0>}



#include "camlight.inc"
#declare centro_cena = < 0.00, 4, 0 >;
#declare raio_cena = 18;
#declare dir_camera = < 18,13,5 >;
#declare dist_camera = 15;
#declare intens_luz = 1.00;
camlight(centro_cena, raio_cena, dir_camera, dist_camera , z, intens_luz)