// 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 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
  }

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

#declare raio = 2.000;

// Partes da cena:

#declare rosca =
  torus{ 1,0.3
    texture{ tx_xadrez }
  }


#declare cilindro =
  cylinder{ < 0, 0, -2.00 >,< 0, 0, +0.00 >,0.5
     texture{ tx_plastico }
  }
  
#declare cilindro2 =
  cylinder{ < 0, 0, -0.75 >,< 0, 0, +0.00 >,0.5
     texture{ tx_plastico }
  }
  
#declare base = 
    union{

      //base
      object {cilindro}
      
      object {cilindro rotate <90,0,0> translate <2,0,1>}
      
      
      //rosca
      object {rosca translate <2,1,3>}
      
      object {cilindro translate <2,2,3>}
      object {cilindro2 rotate <90,0,0> translate <2,1.5,3>}
     
    }

#declare moveis = 
    union {
    
       //peças moveis
      object {cilindro translate <2,0,3>}

      object {cilindro2 rotate <90,0,0> translate <2,0,3>}
    
    }


#include "eixos.inc"

// Aqui está a cena, finalmente:

#macro posicao (positiony,delta)


  object{base translate <0,positiony,0>}
  
  object{moveis translate <0,positiony+delta,0> }
  

#end

posicao(-4,0)

posicao(0,0.5)

posicao(4,0.75)


#include "camlight.inc"
#declare centro_cena = < 0.00, 0.00, 1.00 >;
#declare raio_cena = 10.0;
#declare dir_camera = < 14.00, 7.00, 4.00 >;
#declare dist_camera = 16.0;
#declare intens_luz = 1.00;
camlight(centro_cena, raio_cena, dir_camera, dist_camera , z, intens_luz)