// 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 body_head = 
    union {
    
        sphere{
            < 0.00, 0.00, 5.50 >, 1
            texture{ tx_xadrez}
        }
    
        sphere{
            < 0.00, 0.00, 3.00 >, 2
            texture{ tx_xadrez}
        }
    }
    
#macro antebraco()
    union {
        cylinder{ < 1, 0, 0.00 >,< 0, 0, +0.00 >,0.1
            texture{ tx_xadrez }
        }
    }

#end    
 
#macro braco(ang2)
    union {
       cylinder{ < 0, 0, 0.00 >,< -2, 0, +0.00 >,0.1
            texture{ tx_plastico }
        } 

       object{antebraco() rotate<0,ang2,0>}
    }
    
#end

#macro perna(ang4,ang5)
    union{
        cylinder {<0,0,2>,<0,0,0>,0.1
            texture{ tx_plastico }
        } 
     
        object{anteperna(ang5) rotate<0,ang4,0>} 
     }
     
#end

#macro anteperna(ang5)
     union{
        cylinder {<0,0,0>,<0,0,-1>,0.1
            texture{ tx_xadrez }
        }
        
        object{pe() rotate<0,ang5,0> translate<0,0,-1>}
        
     }

#end

#macro pe()

    union {
        cylinder {<0,0,0>,<0,0,-0.5>,0.1
            texture{ tx_fosca }
        }
                    
    }

#end

#declare NQ = 6;

#declare b1 = array[NQ];
#declare b1[0] = 0;
#declare b1[1] = 20;
#declare b1[2] = 20;
#declare b1[3] = 20;
#declare b1[4] = 0;
#declare b1[5] = 0;

#declare b2 = array[NQ];
#declare b2[0] = 0;
#declare b2[1] = 20;
#declare b2[2] = 20;
#declare b2[3] = 0;
#declare b2[4] = 20;
#declare b2[5] = 0;

#declare ab1 = array[NQ];
#declare ab1[0] = 0;
#declare ab1[1] = 20;
#declare ab1[2] = 0;
#declare ab1[3] = 20;
#declare ab1[4] = 0;
#declare ab1[5] = 0;

#declare ab2 = array[NQ];
#declare ab2[0] = 0;
#declare ab2[1] = 0;
#declare ab2[2] = 20;
#declare ab2[3] = 0;
#declare ab2[4] = 20;
#declare ab2[5] = 0;

#declare p1 = array[NQ];
#declare p1[0] = 0;
#declare p1[1] = 0;
#declare p1[2] = 0;
#declare p1[3] = 20;
#declare p1[4] = 0;
#declare p1[5] = 0;

#declare p2 = array[NQ];
#declare p2[0] = 0;
#declare p2[1] = 0;
#declare p2[2] = 0;
#declare p2[3] = 20;
#declare p2[4] = 0;
#declare p2[5] = 0;

#declare ap1 = array[NQ];
#declare ap1[0] = 0;
#declare ap1[1] = 0;
#declare ap1[2] = 0;
#declare ap1[3] = 20;
#declare ap1[4] = 0;
#declare ap1[5] = 0;

#declare ap2 = array[NQ];
#declare ap2[0] = 0;
#declare ap2[1] = 0;
#declare ap2[2] = 0;
#declare ap2[3] = 20;
#declare ap2[4] = 0;
#declare ap2[5] = 0;

#declare pe1 = array[NQ];
#declare pe1[0] = 0;
#declare pe1[1] = 0;
#declare pe1[2] = 0;
#declare pe1[3] = 20;
#declare pe1[4] = 0;
#declare pe1[5] = 0;

#declare pe2 = array[NQ];
#declare pe2[0] = 0;
#declare pe2[1] = 0;
#declare pe2[2] = 0;
#declare pe2[3] = 0;
#declare pe2[4] = 20;
#declare pe2[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 interpola(f0,v0,f1,v1,f)
    #local ss= (f-f0)/(f1-v0);
    #local rr= 1-ss;
    (rr+v0+ss+v1)

#end

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

#macro coelho_dancando(fase)

    #local i = quadro_anterior(fase);
    
    #local mp1 = interpola(fq[i],p1[i],fq[i+1],p1[i+1],fase);
    #local mp2 = interpola(fq[i],p2[i],fq[i+1],p2[i+1],fase);
    
    #local mb1 = interpola(fq[i],b1[i],fq[i+1],b1[i+1],fase);
    #local mb2 = interpola(fq[i],b2[i],fq[i+1],b2[i+1],fase);
    
    #local mab1 = interpola(fq[i],ab1[i],fq[i+1],ab1[i+1],fase);
    #local mab2 = interpola(fq[i],ab2[i],fq[i+1],ab2[i+1],fase);
    
    #local map1 = interpola(fq[i],ap1[i],fq[i+1],ap1[i+1],fase);
    #local map2 = interpola(fq[i],ap2[i],fq[i+1],ap2[i+1],fase);
    
    #local mpe1 = interpola(fq[i],pe1[i],fq[i+1],pe1[i+1],fase);
    #local mpe2 = interpola(fq[i],pe2[i],fq[i+1],pe2[i+1],fase);
    
    object{coelho(mb1,mb2,mab1,mab2,mp1,mp2,map1,map2,mpe1,mpe2)}

#end


        

#include "eixos.inc"

#macro coelho(angbraco1,angbraco2,antebraco1,antebraco2,perna1,perna2,joelho1,joelho2,pe1,pe2)
    union {

        object{body_head}
        
        object{braco(antebraco1) rotate<0,angbraco1,0> translate <3,0,3>}
        object{braco(antebraco2) scale<+1,-1,+1> rotate<0,angbraco2,0> translate <-3,0,3>}
        
        object{perna(joelho1,pe1) rotate<0,perna1,0> translate <0.5,0,0>}
        
        object{perna(joelho2,pe2) rotate<0,perna2,0> translate <-0.5,0,0>}
    }

#end

object { coelho_dancando(clock)}

#include "camlight.inc"
#declare centro_cena = < 0.00, 0.00, 1.00 >;
#declare raio_cena = 20.0;
#declare dir_camera = < 14.00, 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)