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

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

#declare tx_chocolate = 
  texture{
    pigment{ color rgb < 0.89, 0.69, 0.19 > }
    finish{ diffuse 0.8 roughness 0.5 }
  }

#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 biscoito =
  torus{ 0.8, 0.7
	 rotate < 90,0,0 >
	 translate < 8,0,2 >
	 texture{ tx_chocolate } }

#declare conexao =
  sphere{ < 0,0,0 >, 1.00 }

#declare lowerarm =
  cylinder{ < 0,0,0 >, < 8,0,0 >, 1.00 }

#declare lowerhand =
  box{ < 7,-0.5,0.5 >, < 8,0.5,1.2 > }

#declare upperarm =
  cylinder{ < 2,0,0 >, < 8,0,0 >, 1.00 }

#declare upperhand=
  box{ < 7,-0.5,0.8 >, < 8,0.5,1.5 > }



#declare bolinha = 
  sphere{ < 0,0,0 >, 0.60 }
 
#declare bolota = 
  sphere{ < 0,0,0 >, 1.50 }
 
#declare bola =
  sphere{
    < 0.00, 0.00, 0.00 >, raio 
    texture{ tx_plastico }
  }
  
#declare pino = 
  cylinder{
    < -2.00, +2.00, -1.00 >,
    < +2.00, -2.00, +1.00 >,
    0.75
    texture{ tx_fosca }
  }
  
#declare furo = 
  cylinder{
    < -1.00, -2.00, -2.00 >,
    < +1.00, +2.00, +2.00 >,
    0.75*raio
    texture{ tx_fosca }
  }

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

// ======================================================================
// MACROS

#macro movearm()

  union{
    object{ conexao translate < 1,0,4 > texture{ tx_espelho } }
    object{ upperarm translate < 0,0,4 > texture{ tx_plastico } }
    object{ upperhand translate < 0,0,2 > texture{ tx_espelho } }
  }

#end

#macro fixedarm()

  union{
    object{ lowerarm texture{ tx_plastico } }
    object{ lowerhand texture{ tx_espelho } }
    object{ conexao translate < 1,0,2 > texture{ tx_espelho } }
    object{ conexao translate < 0,0,3 > texture{ tx_espelho } }
  }

#end

// A,B,C definem translacao, D,E,F definem rotacao, G define movimentacao do braco superior
#macro pick_biscuit( A, B, C, D, E, F, G )

  union{
    object{ fixedarm() translate -< 1,0,4 > rotate < D,E,F > translate < A+1,B,C+4 >  }
    object{ movearm() translate -< 1,0,4 > rotate < D,E+G,F > translate < A+1,B,C+4 > }
  }

#end

// ======================================================================

#include "eixos.inc"

// Aqui está a cena, finalmente:

union{

  object{ biscoito } 

  object{ pick_biscuit( 0,0,0,0,0,0,0 ) }
  object{ pick_biscuit( 0,3,0,0,0,0,0 ) }
  object{ pick_biscuit( 0,6,0,0,0,0,-20 ) }
  object{ pick_biscuit( 0,9,0,0,0,0,-40 ) }
  object{ pick_biscuit( 0,12,0,0,0,0,-60 ) }

}

#include "camlight.inc"
#declare centro_cena = < 0.00, 3.00, 3.00 >;
#declare raio_cena = 12.0;
#declare dir_camera = < 14.00, 7.00, 4.00 >;
#declare dist_camera = 55.0;
#declare intens_luz = 1.00;
camlight(centro_cena, raio_cena, dir_camera, dist_camera , z, intens_luz)