// 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 bolinha = 
  sphere{ < 0,0,0 >, 0.25
  pigment {
	color rgb <1.00, 0.00, 0.00>
      }
  }
 
#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 bastao = 
  cylinder {
    < 0.00, -10.00, 0.00 >,
    < 0.00, 50.00, 0.00 >,
    0.10 * raio
  }

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




*/

#declare NQ = 6;
#declare angABracoEsq = array[NQ];
#declare angABracoEsq[0] = 0;
#declare angABracoEsq[1] = 90;
#declare angABracoEsq[2] = 90;
#declare angABracoEsq[3] = 90;
#declare angABracoEsq[4] = 0;
#declare angABracoEsq[5] = 0;
#declare angABracoDir = array[NQ];
#declare angABracoDir[0] = 0;
#declare angABracoDir[1] = 90;
#declare angABracoDir[2] = 90;
#declare angABracoDir[3] = 90;
#declare angABracoDir[4] = 0;
#declare angABracoDir[5] = 0;
#declare angBracoDir = array[NQ];
#declare angBracoDir[0] = 0;
#declare angBracoDir[1] = 0;
#declare angBracoDir[2] = 90;
#declare angBracoDir[3] = 180;
#declare angBracoDir[4] = 180;
#declare angBracoDir[5] = 0;
#declare angBracoEsq = array[NQ];
#declare angBracoEsq[0] = 0;
#declare angBracoEsq[1] = 0;
#declare angBracoEsq[2] = 90;
#declare angBracoEsq[3] = 180;
#declare angBracoEsq[4] = 180;
#declare angBracoEsq[5] = 0;
#declare angPernaDir = array[NQ];
#declare angPernaDir[0] = 0;
#declare angPernaDir[1] = 0;
#declare angPernaDir[2] = 0;
#declare angPernaDir[3] = 90;
#declare angPernaDir[4] = 90;
#declare angPernaDir[5] = 0;
#declare angPernaEsq = array[NQ];
#declare angPernaEsq[0] = 0;
#declare angPernaEsq[1] = 0;
#declare angPernaEsq[2] = 0;
#declare angPernaEsq[3] = 90;
#declare angPernaEsq[4] = 90;
#declare angPernaEsq[5] = 0;
#declare angAntepernaEsq = array[NQ];
#declare angAntepernaEsq[0] = 0;
#declare angAntepernaEsq[1] = 0;
#declare angAntepernaEsq[2] = 0;
#declare angAntepernaEsq[3] = 90;
#declare angAntepernaEsq[4] = 0;
#declare angAntepernaEsq[5] = 0;
#declare angAntepernaDir = array[NQ];
#declare angAntepernaDir[0] = 0;
#declare angAntepernaDir[1] = 0;
#declare angAntepernaDir[2] = 0;
#declare angAntepernaDir[3] = 90;
#declare angAntepernaDir[4] = 0;
#declare angAntepernaDir[5] = 0;
#declare angPeDir = array[NQ];
#declare angPeDir[0] = 0;
#declare angPeDir[1] = 90;
#declare angPeDir[2] = 90;
#declare angPeDir[3] = 90;
#declare angPeDir[4] = 0;
#declare angPeDir[5] = 0;
#declare angPeEsq = array[NQ];
#declare angPeEsq[0] = 0;
#declare angPeEsq[1] = 90;
#declare angPeEsq[2] = 90;
#declare angPeEsq[3] = 90;
#declare angPeEsq[4] = 0;
#declare angPeEsq[5] = 0;

#declare fq = array[NQ];
#declare fq[0] = 0.0;
#declare fq[1] = 0.2;
#declare fq[2] = 0.4;
#declare fq[3] = 0.6;
#declare fq[4] = 0.8;
#declare fq[5] = 1.0;


#macro cabeca ()

  union {
    object { sphere { <0, 0, 0>, 0.5} pigment { color rgb <0.8, 0.8, 0.8>}}
    object { cone {<0.25, 0, 0.4>, 0, <0.25, 0, 0.8>, 0.25} pigment { color rgb <0.8, 0.8, 0.8>}}
    object { cone {<-0.25, 0, 0.4>, 0, <-0.25, 0, 0.8>, 0.25} pigment { color rgb <0.8, 0.8, 0.8>}}
  }
  translate <0, 0, 0.5>
#end

#macro antebraco ()

  object { cylinder { <0, 0, 0>, <0, 0.7, 0>, 0.15} pigment { color rgb <0.8, 0.8, 0.8>}}
#end

#macro braco (angulo_antebraco)
  union {
    object { cylinder { <0, 0, 0>, <0, 0.5, 0>, 0.15} pigment { color rgb <0.8, 0.8, 0.8>} }
    object { antebraco() rotate <angulo_antebraco, 0, 0> translate <0, 0.55, 0> }
  }
#end

#macro pe ()
  object { cylinder { <0, 0, 0>, <0.3, 0, 0>, 0.25} pigment { color rgb <0, 0, 0>}}
#end

#macro anteperna (a)
union {
  object { cylinder { <0, 0, 0>, <0, 0, 0.40>, 0.30} pigment { color rgb <0, 0, 0>} }
  object { pe() rotate <0, 0, a> translate <0, 0, -0.15> }
}
#end

#macro perna (a, b)
  union {
       object { cylinder { <0, 0, 0>, <0, 0, 0.60>, 0.30} pigment { color rgb <0.8, 0.8, 0.8>} }
       object { anteperna(b) rotate <a, 0, 0>  translate <0, 0, -0.40>  }
  }
#end

#macro corpo (angulo_perna_esq, angulo_anteperna_esq, angulo_pe_esq, angulo_braco_esq, angulo_antebraco_esq, angulo_perna_dir, angulo_anteperna_dir, angulo_pe_dir, angulo_braco_dir, angulo_antebraco_dir)
union {
  object { sphere { <0, 0, 1.0>, 1.0} pigment { color rgb <0.8, 0.8, 0.8>} }
  object { perna(angulo_anteperna_esq, angulo_pe_esq) rotate <angulo_perna_esq, 0, 0> translate <0.5, 0, -0.50> }
  object { perna(angulo_anteperna_dir, angulo_pe_dir) rotate <angulo_perna_dir, 0, 0> translate <-0.5, 0, -0.50> }
  object { braco(angulo_antebraco_esq)  rotate <angulo_braco_esq, 0, 0> translate <0.9, 0, 1.5> }
  object { braco(angulo_braco_dir) rotate <angulo_braco_dir, 0, 0> translate <-0.9, 0, 1.5> }
  object { cabeca() translate <0, 0, 2.0>}
}
#end

#macro interpola (f0, v0, f1, v1, f)
   #local ss = (f - f0) / (f1 - f0);
   #local rr = 1 - ss;
   (rr * v0 + ss * v1)
#end

#macro quadro_anterior (fase)
   #local i = 0;
   #local resp = fase;
   #while (i < NQ - 1)
      #if ((fq[i] <= fase) & (fq[i + 1] >= fase))
         #local resp = i;
      #end
      #local i = i + 1;
   #end
   (resp)
#end

#macro dancando (fase)
  #local i = quadro_anterior(fase);
  #local aPernaE = interpola(fq[i], angPernaEsq[i], fq[i + 1], angPernaEsq[i + 1], fase);
  #local aAntepernaE = interpola(fq[i], angAntepernaEsq[i], fq[i + 1], angAntepernaEsq[i + 1], fase);
  #local aPeE = interpola(fq[i], angPeEsq[i], fq[i + 1], angPeEsq[i + 1], fase);
  #local aBracoE = interpola(fq[i], angBracoEsq[i], fq[i + 1], angBracoEsq[i + 1], fase);
  #local aAntebracoE = interpola(fq[i], angABracoEsq[i], fq[i + 1], angABracoEsq[i + 1], fase);
  #local aPernaD = interpola(fq[i], angPernaDir[i], fq[i + 1], angPernaDir[i + 1], fase);
  #local aAntepernaD = interpola(fq[i], angAntepernaDir[i], fq[i + 1], angAntepernaDir[i + 1], fase);
  #local aPeD = interpola(fq[i], angPeDir[i], fq[i + 1], angPeDir[i + 1], fase);
  #local aBracoD = interpola(fq[i], angBracoDir[i], fq[i + 1], angBracoDir[i + 1], fase);
  #local aAntebracoD = interpola(fq[i], angABracoDir[i], fq[i + 1], angABracoDir[i + 1], fase);
  
  object { corpo(aPernaE, aAntepernaE, aPeE, aBracoE, aAntebracoE, aPernaD, aAntepernaD, aPeD, aBracoD, aAntebracoD) }
#end



#include "eixos.inc"

// Aqui está a cena, finalmente:
 dancando(clock) 


/*  object{ eixos(3.00) }
 // object { cabeca () }
 // object { braco() }
  object { corpo(0, 0, 0, 0, 0, 0, 0, 0, 0, 0) }
  object { corpo(0, 0, 0, 0, 0, 0, 0, 0, 0, 0) translate <-3.0, 0, 0>}*/



#include "camlight.inc"
#declare centro_cena = < 0.00, 0.00, 1.00 >;
#declare raio_cena = 6.0;
#declare dir_camera = < 0.00, 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)