// 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 barra = 
  cylinder{
    < 0, 0, -2.00 >,
    < 0, 0, +2.00 >,
    0.3
  }
 
#declare braco = 
	box{
		< 0.1, 0.1, 0.5 >
		< -0.1, -0.1, -0.5 >
	}

#declare biscoito = 
	torus{ 0.25, 0.1 }
 
#declare chao = 
  box{ <-20,-20,-1>, <+20,+20,0> }


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

#macro mov(A, B, C, D)
union { 
	object{ barra texture{ tx_fosca } }
	object{ barra scale < 0.5, 0.5, 0.1 > rotate 90 *y translate < 0.2, 0, 0 > texture{ tx_plastico } }
	object{ braco rotate 30 *x translate < 0, -0.25, 2.3 > texture{ tx_plastico } }
	object{ braco rotate -30 *x translate < 0, 0.25, 2.3 > texture{ tx_plastico } }
	object{ braco scale < 0, 0, 0.6 > rotate (20 + A) *x translate < 0, 0.4 + C, 2.9 + D > texture{ tx_plastico } }
	object{ braco scale < 0, 0, 0.6 > rotate (-20 - A) *x translate < 0, -0.4 - C, 2.9 + D > texture{ tx_plastico } }
	object{ biscoito translate < 0, 0, 3.2 >texture { tx_fosca } }
}
#end

object{ mov(-20, -20, 0.07, 0) translate <0, -2, 0>}
object{ mov(0, 0, 0, 0) }
object{ mov(20, 20, 0, 0) translate <0, 2, 0>}


#include "camlight.inc"
#declare centro_cena = < 0.00, 0.00, 1.00 >;
#declare raio_cena = 6.0;
#declare dir_camera = < 1, 0, 0.5 >;
#declare dist_camera = 16.0;
#declare intens_luz = 1.00;
camlight(centro_cena, raio_cena, dir_camera, dist_camera , z, intens_luz)