// 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 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 1 ambient 1 }
  }

#declare tx_espelho = 
  texture{
    pigment{ color rgb < 0.50, 0.50, 0.50 > }
    finish{ diffuse 0.2 reflection 0.7*< 0.50, 0.50, 0.50 > ambient 0.1 }
  }

#declare tx_vidro2 = 
  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_vidro = 
  texture{
    pigment{ color rgb < 0.75, 0.15, 0.15 > filter 0.80 }
    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 chao = 
  box{ <-20,-20,-1>, <+20,+20,0> }

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

#declare raio = 2.000;
#declare chao = 
  box{ <-20,-20,-1>, <+20,+20,0> }
// Partes da cena:
			
#declare phi = (sqrt(5)+1)/2;
 
#declare dodecaedro=
	intersection{
		plane{<1,0,phi>,1}
		plane{<-1,0,phi>,1}
		plane{<1,0,-phi>,1}
		plane{<-1,0,-phi>,1}
		plane{<phi,1,0>,1}
		plane{<-phi,1,0>,1}
		plane{<phi,-1,0>,1}
		plane{<-phi,-1,0>,1}
		plane{<0,phi,1>,1}
		plane{<0,-phi,1>,1}
		plane{<0,phi,-1>,1}
		plane{<0,-phi,-1>,1}
	}

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


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

#declare icosaedro=
	intersection{
		object {octaedro scale (3*(phi-1)/1.95)}
		object {dodecaedro }
//		object {dodecaedro scale<phi*phi,phi*phi,phi*phi>}
}
#declare cubo_oct=
	intersection{
		object {octaedro }
		object {cubo scale (3*(phi-1)/2.15)}
//		object {dodecaedro scale<phi*phi,phi*phi,phi*phi>}
}

#include "eixos.inc"

// cena

union{
//	object{ eixos(3.00) }
	
	object{cubo_oct texture{tx_vidro} scale 1.5 translate <0, 3,0> interior{ior 2}}
	object{icosaedro texture{tx_vidro} scale 1.5 translate <0, -3,0> interior{ior 1.5}}
	//object{icosaedro pigment{color rgb<0,0.8,0.5>} }
  	object{ chao  translate < 0,0,-5 > texture{ tx_xadrez } }
	//object{dodecaedro texture{tx_vidro} interior{ior 1.5} }
}

#include "camlight.inc"
#declare centro_cena = < 0.00, 0.00, 0.00 >;
#declare raio_cena = 6;
//#declare dir_camera = < (1-clock)*12 + clock*17, 3.00, 8.00 >;
#declare dir_camera = < 14.00, 7.00, 4.00 >;
#declare dist_camera = 100.0;
#declare intens_luz = 1.00;
camlight(centro_cena, raio_cena, dir_camera, dist_camera , z, intens_luz)