// 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 < 0.3, 0.3, 1.00 > }
    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
  }

#include "eixos.inc"

//Programa

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

#macro plano (X,Y,Z,R)

object{
  plane{<X,Y,Z>, R}
  texture{ tx_vidro }
  interior{ ior 1.5 }
  bounded_by{ sphere{<0,0,0>,10} }
}

#end

#macro dodecaedro(R)
  intersection{
    plano(-1,0,-1.4,R)
    plano(-1,0,1.4,R)
    plano(1,0,-1.4,R)
    plano(1,0,1.4,R)
    plano(0,-1.4,1,R)
    plano(0,-1.4,-1,R)
    plano(0,1.4,1,R)
    plano(0,1.4,-1,R)
    plano(-1.4,1,0,R)
    plano(-1.4,-1,0,R)
    plano(1.4,1,0,R)
    plano(1.4,-1,0,R)
  }
#end

#macro octaedro(R)
  intersection{
    plano(1,1,1,R)
    plano(1,1,-1,R)
    plano(1,-1,1,R)
    plano(1,-1,-1,R)
    plano(-1,1,1,R)
    plano(-1,1,-1,R)
    plano(-1,-1,1,R)
    plano(-1,-1,-1,R)
  }
#end

#macro cubo(R)
  intersection{
    plano(0,0,1,R)
    plano(0,0,-1,R)
    plano(0,1,0,R)
    plano(0,-1,0,R)
    plano(1,0,0,R)
    plano(-1,0,0,R)
}
#end

#macro icosaedro(RO,RD)
  intersection{
    plano(-1,0,-1.4,RD)
    plano(-1,0,1.4,RD)
    plano(1,0,-1.4,RD)
    plano(1,0,1.4,RD)
    plano(0,-1.4,1,RD)
    plano(0,-1.4,-1,RD)
    plano(0,1.4,1,RD)
    plano(0,1.4,-1,RD)
    plano(-1.4,1,0,RD)
    plano(-1.4,-1,0,RD)
    plano(1.4,1,0,RD)
    plano(1.4,-1,0,RD)
    plano(1,1,1,RO)
    plano(1,1,-1,RO)
    plano(1,-1,1,RO)
    plano(1,-1,-1,RO)
    plano(-1,1,1,RO)
    plano(-1,1,-1,RO)
    plano(-1,-1,1,RO)
    plano(-1,-1,-1,RO)
  }
#end

#macro cuboctaedro(RC,RO)
  intersection{
    cubo(RC)
    octaedro(RO)
  }
#end

union{
  object{ cuboctaedro(1,1.15) translate <0,-3,0> }
  object{ icosaedro(1,1.1) translate <0,3,0> }
}

object{ chao  translate < 0,0,-5 > texture{ tx_xadrez } }

object{ eixos(3.00) }

#include "camlight.inc"
#declare centro_cena = < 0.00, 0.00, 0.00 >;
#declare raio_cena = 10.0;
#declare dir_camera = < -3.00, -3.00, 3.00 >;
#declare dist_camera = 10.0;
#declare intens_luz = 1.00;
camlight(centro_cena, raio_cena, dir_camera, dist_camera , z, intens_luz)