// Exemplo de arquivo de descricao de cena para POV-ray
// Last edited on 2010-03-04 15:44:01 by stolfi

// ======================================================================
// CORES E TEXTURAS

#include "colors.inc"

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

//antigo plastico: rgb < 0.90, 0.80, 1.00 > }

#declare tx_plastico = 
  texture{
    pigment{ color Grey }
    finish{ diffuse 0.8 ambient 0.1 specular 0.5 roughness 0.005 }
  }


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

#declare tx_espelho = 
  texture{
    pigment{ color rgb < 0.00, 0.74, 0.90 > }
    finish{ diffuse 0.2 reflection 0.7*< 1.00, 0.85, 0.30 > ambient 0.1 }
  }

#declare tx_espelho1 = 
  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, 0.92, 0.60 >, color rgb < 1.00, 0.97, 0.90 > }
    finish{ diffuse 0.9 ambient 0.1 }
    scale 2.0
  }

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

// Partes da cena:

#declare cabo = 
  box{ <0,0,0>, <1,3,0.25>
     texture {tx_plastico}	 
  }

#declare suporte =
  cylinder {
    <0.5,0.5,0>, <0.5,0.5,3>
    0.25
   pigment { spiral1 20 }

  }
  
#declare apoio = 
  cylinder { 
    <0.5,0.5,2.8>, <0.5,0.5,3.1>, 0.5 
    pigment { color Black }
  }


#declare parafuso =
  union {
    object { apoio }
    object { suporte }
}

#declare biscoito =
  torus { 
    0.3, 0.15
    pigment { color Brown }
    rotate 90*x
    translate <0.3,2.8,0.6>
  }

#macro pregador(volta) 
  object { 
    merge {
      union { 
        object { cabo }
        object { cabo translate <0,0,2-0.25*volta>}
      }
      object { parafuso translate <0,0,-0.25*volta>}
    }
  }
#end

#include "eixos.inc"

// Aqui está a cena, finalmente:

union{
  object { pregador(0) translate <0,-5,-4> }
  object { biscoito translate <0,-5,-4> }
  object { pregador(4) }
  object { biscoito  translate <0,0,-0.25>}
  object { pregador(5.5) translate <0,5,4>}
  object { biscoito translate <0,5,3.85>}
}

#include "camlight.inc"
#declare centro_cena = < 0.00, 0.00, 1.00 >;
#declare raio_cena = 11.0;
#declare dir_camera = < 14.00, 7.00, 4.00 >;
#declare dist_camera = 30.0;
#declare intens_luz = 1.00;
camlight(centro_cena, raio_cena, dir_camera, dist_camera , z, intens_luz)