// 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 < 1.00, 1.00, 0.00 > }
    finish{ diffuse 0.8 ambient 0.1 specular 0.5 roughness 0.005 }
  }

#declare tx_roda = 
  texture{
    pigment{ color rgb < 0.40, 0.4, 0.40 > }
    finish{ diffuse 0.8 ambient 0.1 specular 0.5 roughness 0.005 }
  }

#declare tx_fosca = 
  texture{
    pigment{ color rgb < 1.00, 0.00, 0.00 > }
    finish{ diffuse 0.9 ambient 0.1 }
  }

#declare tx_espelho = 
  texture{
    pigment{ color rgb < 0.00, 0.0, 0.80 > }
    finish{ diffuse 0.2 reflection 0.7 ambient 0.1 }
  }

#declare tx_vidro = 
  texture{
    pigment{ color rgb < 0.0, 0.55, 0.00 > filter 0.70 }
    finish{ diffuse 0.3 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
  }

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

#declare raio = 2.000;

// Partes da cena:
  
#declare bolaroda = 
  sphere{ < 0.2,0,-0.2 >, 0.2 }
 
#declare bolacorpo = 
  sphere{ < 0.7,0,1.0 >, 0.5 }
 
  
#declare base = 
  cylinder{
    < 0.0, 0.00, 0.50 >,
    < 1.40, 0.00, 0.50 >,
    0.50
    texture{ tx_fosca }
  }
  
#declare conetaxi = 
  cone{
    < 0.70, 0.00, 1.40 >, 0.2,
    < 0.70, 0.00, 1.6 >, 0.1
    texture{ tx_fosca }
  }

#declare farol = 
  cone{
    < 1.40, 0.00, 0.5 >, 0.1,
    < 1.60, 0.00, 0.5 >, 0.2
    texture{ tx_fosca }
  }

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

#include "eixos.inc"

// Aqui está a cena, finalmente:

union{
  object{ eixos(3.00) }

  object{ chao  translate < 0,0,-5 > texture{ tx_xadrez } }
  object{ bolaroda translate < 0.0,-0.22,0.05 > texture{ tx_roda } }
  object{ bolaroda translate < 1.0,-0.22,0.05 > texture{ tx_roda } }
  object{ bolaroda translate < 1.0,0.22,0.05 > texture{ tx_roda } }
  object{ bolaroda translate < 0.0,0.22,0.05 > texture{ tx_roda } }
  object { farol texture{ tx_plastico } }
  object{ base texture{ tx_fosca }}
}

difference{
  object{ bolacorpo texture{ tx_espelho } }
  object{ base }	
}

difference{
  object{ conetaxi texture{ tx_vidro } }
  object{ bolacorpo }	
}

#include "camlight.inc"
#declare centro_cena = < 0.00, 0.00, 1.00 >;
#declare raio_cena = 4.0;
#declare dir_camera = < 4.00, 4.00, 0.00 >;
#declare dist_camera = 4.0;
#declare intens_luz = 0.93;
camlight(centro_cena, raio_cena, dir_camera, dist_camera , z, intens_luz)