// CORES E TEXTURAS

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

#declare tx_vidro = 
  texture{
    pigment{ color rgb < 0.85, 0.95, 1.00 > filter 0.70 }
    finish{ diffuse 0.03 reflection 0.25 ambient 0.02 specular 0.25 roughness 0.005 }
  }

#declare tx_fosca = 
  texture{
    pigment{ color rgb < 1.00, 0.80, 0.10 > }
    finish{ diffuse 0.9 ambient 0.1 }
  }


#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 1.0
  }


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

#declare NA = (sqrt(5) - 1)/2;

#declare chao = 
  box{ <-10,-10,-1>, <+10,+10,0> }

#macro face(xx,yy,zz,d)
  plane{
    <xx,yy,zz>,
    d
    texture{tx_vidro}
    interior{ ior 1.5}
  }
#end

// Partes da cena:


#macro dodecaedro(tam)
  intersection{
    face(+1,0,+NA,tam)
    face(-1,0,+NA,tam)
    face(+1,0,-NA,tam)
    face(-1,0,-NA,tam)
    face(+NA,+1,0,tam)
    face(-NA,+1,0,tam)
    face(+NA,-1,0,tam)
    face(-NA,-1,0,tam)
    face(0,+NA,+1,tam)
    face(0,-NA,+1,tam)
    face(0,+NA,-1,tam)
    face(0,-NA,-1,tam)
  }bounded_by{ sphere {<0,0,0>, 2} }
#end
/*
#macro icosaedro1(tam)
  intersection{
    face(+1,0,+NA,tam)
    face(-1,0,+NA,tam)
    face(+1,0,-NA,tam)
    face(-1,0,-NA,tam)
    face(+NA,+1,0,tam)
    face(-NA,+1,0,tam)
    face(+NA,-1,0,tam)
    face(-NA,-1,0,tam)
    face(0,+NA,+1,tam)
    face(0,-NA,+1,tam)
    face(0,+NA,-1,tam)
    face(0,-NA,-1,tam)
    face(+1,+1,+1,tam)
    face(+1,+1,-1,tam)
    face(+1,-1,+1,tam)
    face(+1,-1,-1,tam)
    face(-1,+1,+1,tam)
    face(-1,+1,-1,tam)
    face(-1,-1,+1,tam)
    face(-1,-1,-1,tam)
  }bounded_by{ sphere {<0,0,0>, 2} }
  
#end
*/

#macro octaedro(tam)
  intersection{
    face(+1,+1,+1,tam)
    face(+1,+1,-1,tam)
    face(+1,-1,+1,tam)
    face(+1,-1,-1,tam)
    face(-1,+1,+1,tam)
    face(-1,+1,-1,tam)
    face(-1,-1,+1,tam)
    face(-1,-1,-1,tam)
  }bounded_by{ sphere {<0,0,0>, 2} }
#end

#macro cubo(tam)
  intersection{
    face(+1,0,0,tam)
    face(-1,0,0,tam)
    face(0,+1,0,tam)
    face(0,-1,0,tam)
    face(0,0,+1,tam)
    face(0,0,-1,tam)
  }bounded_by{ sphere {<0,0,0>, 2} }
#end


#include "eixos.inc"

// Aqui está a cena, finalmente:

union{

  object{ dodecaedro(1.06) texture{tx_fosca} }
  object{ octaedro(1) }
  
  
  object{cubo(1) translate<0,5,0>}
  object{octaedro(1.06) translate<0,5,0>}

  object{ chao  texture{tx_xadrez} translate<0,3,-3>}

}
#include "camlight.inc"
#declare centro_cena = < 0.00, 3.00, 1.00 >;
//#declare centro_cena = < 0.00, (1-clock)*14+clock*7, -4.00 >;
//#declare raio_cena = (1-clock)*60+clock*30;
#declare raio_cena = 8;
//#declare dir_camera = < 21.00, (1-clock)*40+clock*0, 0.00 >;
#declare dir_camera = < 2.00, 0.00, 1.00 >;
//#declare dist_camera = (1-clock)*30+clock*10;
#declare dist_camera = 16.0;
#declare intens_luz = 1.00;
camlight(centro_cena, raio_cena, dir_camera, dist_camera , z, intens_luz)