// Exemplo de arquivo de descricao de cena para POV-ray
// Last edited on 2021-12-09 00:12:33 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 0.7 ambient 0.2 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
  }

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

#declare raio = 2.000;

// Partes da cena:

#declare bolinha =
  sphere{ < 0,0,0 >, 1.50 }

#declare bolota =
  sphere{ < 0,0,0 >, 1.50 }

#declare bola =
  sphere{
    < 0.00, 0.00, 0.00 >, raio
    texture{ tx_plastico }
  }

#declare pino =
  cylinder{
    < +0.00, +3.00, +1.00 >,
    < +0.00, +3.00, +0.00 >,
    1.00
    texture{ tx_fosca }
  }

#declare antena =
  cone{
    < +0.00, +0.00, +0.00 >,
    1.00
    < +0.00, +0.00, +3.00 >,
    0.00
    texture{ tx_fosca }
  }

#declare furo =
  cylinder{
    < +0.00, +0.00, +3.00 >,
    < +0.00, +0.00, +0.00 >,
    0.5*raio
    texture{ tx_fosca }
  }

#declare caixa =
  box{ <-5,-5,2>, <+5,+6,4> }

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

// Aqui est� a cena, finalmente:

union{

  object{ chao  translate < 0,0,-8 > texture{ tx_xadrez scale 0.25 } }
  object{ caixa  translate < 0,0,-5 > texture{ tx_xadrez } }
  //object{ bolota  translate < -2,+1,+3 > texture{ tx_espelho } }
  object{ bolinha translate < 3,3,0 > texture{ tx_fosca } }
  //  interior { ior 1.01 }

  object{ pino translate < -2,0,-1 > }
  object{ pino translate < -2,-6,-1 > }
  object{ antena translate < 2,-3,-1 > }

  difference{

      object{ bola }
    //  object{ pino }

    object{ furo }
  }
}

#include "camlight.inc"
#declare centro_cena = < 0.00, 0.00, -1.00 >;
#declare raio_cena = 12.0;
#declare dir_camera = < 14.00, 7.00, 4.00 >;
#declare dist_camera = 20*raio_cena;
#declare intens_luz = 1.20;
camlight(centro_cena, raio_cena, dir_camera, dist_camera , z, intens_luz)