//NOME: Plinio A. S. Freire  ra082505
// ============================================================================================
#include "eixos.inc"
#include "colors.inc"
#include "textures.inc"

//camera e luz 

#include "camlight.inc"
#declare centro_cena = < 0.00, 0.00, 1.00 >;
#declare raio_cena = 7.0;
#declare dir_camera = <20, 0, 0 >;
#declare dist_camera = 16.0;
#declare intens_luz = 1.00;
camlight(centro_cena, raio_cena, dir_camera, dist_camera , z, intens_luz)

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

// cores e texturas

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

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

#declare tx_espelho = 
  texture{
    pigment{ color rgb < 1.00, 0.85, 0.30 > }
    finish{ diffuse 0.2 reflection 0.7*< 1.00, 0.85, 0.30 > ambient 0.1 }
  }

#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_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
  }

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

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

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

#declare tx_marrom =
  texture{
    pigment{ color rgb <0.8,0.6,0.3>}
}


//macro
#macro cubo()

intersection {
  
  plane{<1,0,0>, 1 texture{tx_vidro}}
  plane{<-1,0,0>, 1 texture{tx_vidro}}
  plane{<0,1,0>, 1 texture{tx_vidro}}
  plane{<0,-1,0>, 1 texture{tx_vidro}} 
  plane{<0,0,1>, 1 texture{tx_vidro}}
  plane{<0,0,-1>, 1 texture{tx_vidro}}

}

#end

#macro dodecaedro() 

intersection{


    plane{<1,0,0.618>, 1 texture{tx_vidro}}
    plane{<1,0,-0.618>, 1 texture{tx_vidro}}
    plane{<-1,0,-0.618>, 1 texture{tx_vidro}}
    plane{<-1,0,0.618>, 1 texture{tx_vidro}}

    plane{<0.618,1,0>, 1 texture{tx_vidro}}
    plane{<0.618,-1,0,>, 1 texture{tx_vidro}}
    plane{<-0.618,-1,0>, 1 texture{tx_vidro}}
    plane{<-0.618,1,0>, 1 texture{tx_vidro}}
	
    plane{<0,0.618,1>, 1 texture{tx_vidro}}
    plane{<0,0.618,-1>, 1 texture{tx_vidro}}
    plane{<0,-0.618,-1>, 1 texture{tx_vidro}}
    plane{<0,-0.618,1>, 1 texture{tx_vidro}}


}

#end

#macro octaedro()

intersection{

  plane{<1,1,1>, 1 texture{tx_vidro}}
  plane{<1,1,-1>, 1 texture{tx_vidro}}
  plane{<1,-1,1>, 1 texture{tx_vidro}}
  plane{<1,-1,-1>, 1 texture{tx_vidro}}
  plane{<-1,1,1>, 1 texture{tx_vidro}}
  plane{<-1,1,-1>, 1 texture{tx_vidro}}
  plane{<-1,-1,1>, 1 texture{tx_vidro}}
  plane{<-1,-1,-1>, 1 texture{tx_vidro}}


}

#end

#macro icosaedro()

intersection{
  object{octaedro()}
  object{dodecaedro() scale<0.37+ fi,0.37 + fi,0.37 + fi>}
}

#end

#macro figura()

intersection{
  object{cubo() scale<0.85,0.85,0.85>}
  object{octaedro()}
}
#end

// ============================================================================================

union{

  box {<-20,-20,-10>, <+20,+20,-5> 
    pigment { checker color Black color White }  
  } 
  
  object{figura() interior{ior 1.1} }
  object{icosaedro() translate<0,4,0> interior{ior 1.1}}
 
}