// Exemplo de arquivo de descricao de cena para POV-ray
// Last edited on 2020-09-30 19:57:13 by jstolfi

// ======================================================================
// 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 1.0
  }

// ======================================================================
// DESCRI��O DA CENA 

#declare perna = cylinder{ <0,0,0>, <0,0,2>, 0.5}
#declare assento = box{ <0,-0.5,2>, <4,4,3>}
#declare costas = box{ <0,-0.5,2>, <4,0,8>}
#declare pezinho = cone{ <0,0,0> , 0.5, <0,0,-1>, 0.75 }
#declare esfera_um = sphere{ < 2, 4, 2 >, 1 }
#declare esfera_dois = sphere{ < 2, 0, 8 >, 1 }

#include "eixos.inc"

#declare assento_completo= union {
    object{ eixos(8.00) }
    object { perna texture{ tx_xadrez } }
    object { perna translate <3,0,0> texture{ tx_xadrez }}
    object { perna translate <3,3,0> texture{ tx_xadrez }}
    object { perna translate <0,3,0> texture{ tx_xadrez }}
    object { assento texture{ tx_plastico }}
    object { costas texture{ tx_plastico }} 
    object { pezinho texture{ tx_fosca}}
    object { pezinho translate <3,0,0> texture{ tx_fosca}}
    object { pezinho translate <3,3,0> texture{ tx_fosca}}
    object { pezinho translate <0,3,0> texture{ tx_fosca}}
}

#declare cadeira = difference {
    object{assento_completo}
    object{esfera_um}
    object{esfera_dois}
}


object{cadeira}



#include "camlight.inc"
#declare centro_cena = < 0.00, 0.00, 0.00 >;
#declare raio_cena = 20.0;
#declare dir_camera = < 14.00, 7.00, 4.00 >;
#declare dist_camera = 2*raio_cena;
#declare intens_luz = 1.20;
camlight(centro_cena, raio_cena, dir_camera, dist_camera , z, intens_luz)