// Exemplo de arquivo de descricao de cena para POV-ray
// Last edited on 2009-03-09 18:44:03 by stolfi

// ======================================================================
// CÂMERA 

camera{
  location  < 8.00, 15.00, 2.0 >  // Posição do observador.
  right     -0.75*x                // Largura RELATIVA da imagem.
  up        0.60*y                 // Altura RELATIVA da imagem.      
  sky       z                      // Qual direção é "para cima"?
  look_at   <  0.00, 0.00, 1.00 >  // Para onde a câmera está apontando.
} 
// Nota: os parâmetros "right" e "up" devem ter a mesma proporção
// que os parâmetros ${WIDTH} e ${HEIGHT} no Makefile.

// ======================================================================
// FONTES DE LUZ

light_source{
  10 * < +50.0, +30.0, +50.0 >           // Posição da lâmpada.
  color rgb 1.0 * < 1.00, 1.00, 1.00 >   // Intensidade e corda luz.
} 

light_source{
  10 * < +50.0, -10.0, +10.0 >           // Posição da lâmpada.
  color rgb 0.5 * < 1.00, 1.00, 1.00 >   // Intensidade e corda luz.
} 

// ======================================================================
// EIXOS DE COORDENADAS

#macro eixo(ponta,cor,nome)
  union{
    sphere{ <0,0,0>, 0.02 }
    cylinder{ <0,0,0>, 0.91*ponta, 0.02 }
    cone{ 0.90*ponta, 0.06, ponta, 0.00 }
    texture{ pigment{ color rgb cor } finish{ ambient 0.5 diffuse 0.5 } }
  }
#end
#macro eixos(tamanho)
  union{ 
    object{ eixo( <tamanho,0,0>, <1.0,0.2,0.2>, "X") }
    object{ eixo( <0,tamanho,0>, <0.0,0.8,0.0>, "Y") }
    object{ eixo( <0,0,tamanho>, <0.3,0.3,1.0>, "Z") }
  }
#end

// ======================================================================
// 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 < 0.40, 0.40, 0.40 > }
    finish{ diffuse 0.9 ambient 0.1 }
  }

#declare tx_espelho = 
  texture{
    pigment{ color rgb < 1.00, 0.90, 0.70 > }
    finish{ diffuse 0.1 reflection 0.8*< 1.00, 0.90, 0.70 > ambient 0.1 }
  }

#declare tx_vidro = 
  texture{
    pigment{ color rgb < 0.97, 0.98, 1.00 > filter 0.70 }
    finish{ diffuse 0.03 reflection 0.25 ambient 0.02 specular 0.25 roughness 0.005 }
  }

#declare tx_fosca1 = 
  texture{
    pigment{ color rgb < 1.00, 0.50, 0.10 > }
    finish{ diffuse 0.9 ambient 0.1 }
  }


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

#declare raio = 2.000;


//________________
// Partes da cena:
  

#declare olhos = 
   sphere{ < 0,0,0 >, 0.20
	  texture{ tx_fosca } pigment{ color rgb < 1.00, 1.00, 1.00 > } }
#declare bico =
    cone{ < 0.00, 0.00, 0.0 >, 
	  0.30, 
	 < 0.60, 0.00, 0.0 >, 
	  0.00 
	 texture{ tx_fosca }
	}
//_________________
// Cabeça da galinha
#declare cabecao =
  union{ 
  	sphere{ < 0,0,0 >, 0.60
	  	texture{ tx_fosca } }
	object {olhos translate <0.2,0.4,0.3> }
	object {olhos translate <0.2,-0.4,0.3> }
	object {bico translate <0.5,0.0,0.0>}
 }
//_________________

#declare articulacao = 
   sphere{ < 0,0,0 >, 0.22
	  texture{ tx_fosca } }

#declare pe =
    box { < 0.30, 0.10, 0.60 >, 
	 < -0.30, -0.10, -0.20 > 
	 texture{ tx_fosca }
	}
#declare canela = 
union{  
 cylinder{
    < -0.0, +0.00, -0.00 >,
    < +0.0, +1.50, +0.00 >,
    0.2
    texture{ tx_fosca }
   }
  object {articulacao translate <0.0,1.5,0.0> }
  object {articulacao translate <0.0,0.0,0.0> }

}
//_______________________
#declare cocha = 
union{  
 cylinder{
    < -0.0, +0.00, -0.00 >,
    < +0.0, +2.00, +0.00 >,
    0.2
    texture{ tx_fosca }
   }
  object {articulacao translate <0.0,2.0,0.0> }
  object {articulacao translate <0.0,0.0,0.0> }

}
//______________________
#declare pescoco = 
union{  
 cylinder{
    < -0.0, +0.00, -1.50 >,
    < +0.0, +0.00, +0.00 >,
    0.2
    texture{ tx_fosca }
   }
  object {articulacao translate <0.0,0.0,-1.50> }
  object {articulacao translate <0.0,0.0,0.0> }

}
//______________________
#declare aux_asa2 = 
 cone{ < 0.00, 0.00, 0.0 >, 
	  0.20, 
	 < 0.0, 0.00, 0.9 >, 
	  0.0 
	 texture{ tx_fosca }
	}

#declare art_asa = 
union{  
 cylinder{
    < 0.40, +0.00, 0.00 >,
    < -0.40, +0.00, +0.00 >,
    0.2
    texture{ tx_fosca }
   }
  object {articulacao translate <0.4,0.0,0.0> }
  object {articulacao translate <-0.4,0.0,0.0> }

}

#declare asa1 =
union {    
	box { < 0.40, 0.10, 0.70 >, 
	 	< -0.40, -0.10, 0.00 > 
	 	texture{ tx_fosca }
	      }
	object { art_asa }
	object { art_asa  translate z*0.7}
	
}
#declare asa2 = 

union {  
    object {aux_asa2 scale x*3 translate z*0.09}
    object { art_asa }
}

//___________________________
#declare rabo = 
	object { asa2  rotate z * 90 }

//____________________________

#declare corpo_galinha = 
  sphere{ < 0,0,0 >, 1.50 
	texture{ tx_fosca } }
 

//____________________________
//__________________		
// Macros da galinha


#macro canela_com_pe (beta)
 union{
	
	object {canela}
	object { pe rotate beta*x translate <0.0,1.7,0.0> }
	
 }
#end

#macro perna (alfa, beta)
 union{
	object { cocha }	
	object { canela_com_pe(beta)  rotate alfa*x translate y*2.0 }

 }
#end

#macro cabeca_pescoco (beta)
 union{
	object { cabecao  rotate beta * y  }	
	object { pescoco translate z * -0.6 }

 }
#end

#macro asa (beta)
 union{
  object {asa1 translate z * -0.7}
  object {asa2 rotate beta * x }

 }

#end

#macro galinha (cab, pesc, asa_ant1, asa_1, asa_ant2, asa_2, perna_pe1, perna_jo1, perna_coch1, perna_pe2, perna_jo2, perna_coch2,  perna_pe3, perna_jo3, perna_coch3,  perna_pe4, perna_jo4, perna_coch4, perna_pe5, perna_jo5, perna_coch5,  perna_pe6, perna_jo6, perna_coch6, rabs)
 union {
	object { corpo_galinha scale x*2.3 }
	object { cabeca_pescoco(cab) translate z * 2.1 rotate y*pesc translate <2.5, 0.0, 1.1>   }
	object { asa(asa_ant1)  translate z * 0.7 rotate x*asa_1  translate <0.0, -1.0, 1.0> }
	object { asa(asa_ant2)  translate z * 0.7 rotate x*asa_2  translate <0.0,  1.0, 1.0> }
	object { perna(perna_jo1, perna_pe1) rotate x * -90 rotate z * -90   rotate y * perna_coch1 translate <0.0, 1.5,-0.3>}
	object { perna(perna_jo2, perna_pe2) rotate x * -90 rotate z * -90   rotate y * perna_coch2 translate <1.4, 1.3,-0.3>}
	object { perna(perna_jo3, perna_pe3) rotate x * -90 rotate z * -90   rotate y * perna_coch3 translate <-1.4, 1.3,-0.3>}
	object { perna(perna_jo4, perna_pe4) rotate x * -90 rotate z * -90   rotate y * perna_coch4 translate <0.0, -1.5,-0.3>}
	object { perna(perna_jo5, perna_pe5) rotate x * -90 rotate z * -90   rotate y * perna_coch5 translate <1.4, -1.3,-0.3>}
	object { perna(perna_jo6, perna_pe6) rotate x * -90 rotate z * -90   rotate y * perna_coch6 translate <-1.4, -1.3,-0.3>}
	object {rabo rotate y * rabs translate <-2.4, 0.0,1.0>}
	


	
 	
 }
#end



//______________
//Gerando a Cena
union{

object{ eixos(3.00) }

object {galinha (40,60, 60, 20, -60, -20, -40 ,60, 60, -20 ,50, 30, -20 ,50, 30, -20 ,50, 30, -20 ,50, 30, -20 ,50, 30, -50)  scale 0.5 translate <1.5, 0, 0.0> }
object {galinha (-30,20, 15, 20, -15, -20, -20 ,50, 30, -30 ,60, 20, -20 ,50, 30, -20 ,50, 30, -20 ,50, 30, -20 ,50, 30, -50)  scale 0.3 translate <-1.5, 0, -0.8>  }
object {galinha (10,20, 80, 80, -80, -80, -60 ,80, 30, -60 ,30, 30, -60 ,50, 30, -80 ,50, 30, -80 ,50, 30, -80 ,50, 30, -50)  scale 0.2 translate <-3.5, 0, -1.1>  }

}