// Last edited on DATE TIME by USER
// Processed by remove-cam-lights

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
  }

#declare nq = 10;

#declare nt= 3;
#declare np= ;

#declare d= array[11];

#declare q = array[11][3][];

#declare d[0] = 0;
#declare d[1] = 0.1;
#declare d[2] = 0.2;
#declare d[3] = 0.3;
#declare d[4] = 0.4;
#declare d[5] = 0.5;
#declare d[6] = 0.6;
#declare d[7] = 0.7;
#declare d[8] = 0.8;
#declare d[9] = 0.9;
#declare d[10] = 1;

#declare q[0][0][0]= <>;
#declare q[0][2] = q[0][1];

#declare q[0][0][0]=;
#declare q[0][2] = q[0][1];

#declare q[0][0][0]=;
#declare q[0][2] = q[0][1];

#declare q[0][0][0]=;
#declare q[0][2] = q[0][1];

#declare q[0][0][0]=;
#declare q[0][2] = q[0][1];

#declare q[0][0][0]=;
#declare q[0][2] = q[0][1];

#declare q[0][0][0]=;
#declare q[0][2] = q[0][1];

#declare q[0][0][0]=;
#declare q[0][2] = q[0][1];

#declare q[0][0][0]=;
#declare q[0][2] = q[0][1];

#declare raio = 2.000;

#declare bolinha =
  sphere{ < 0,0,0 >, 0.05 }

#macro interpola(P0, P1, tt)
  ((1 - tt) * P0 + tt * P1)
#end

#macro interpola4(P0, P1, P2, P3, tt)
  #local P01 = interpola(P0, P1, tt);
  #local P12 = interpola(P1, P2, tt);
  #local P23 = interpola(P2, P3, tt);

  #local P012 = interpola(P01, P12, tt);
  #local P123 = interpola(P12, P23, tt);

  #local P0123 = interpola(P012, P123, tt);
  P0123
#end

#macro curva(P0, P1, P2, P3)
  #local tt = 0.0;
  #while(tt <=  1.0)
    object{ bolinha translate interpola4(P0, P1, P2, P3, tt) texture{ tx_fosca } }
    #local tt = tt + 0.02;
  #end
#end

#macro curva_raios(P0, R0, P1, R1, P2, R2, P3, R3)
union {
  #local tt = 0.0;
  #while(tt <=  1.0)
    #local centro = interpola4(P0, P1, P2, P3, tt);
    #local raio = interpola4(R0, R1, R2, R3, tt);
    #local bola = sphere{ <0,0,0>, interpola4(R0, R1, R2, R3, tt) }
    object{ bola translate interpola4(P0, P1, P2, P3, tt) texture{ tx_fosca }}
    #local tt = tt + 0.005;
  #end
}
#end

#macro tentaculo(P0, P1, P2, Q1, Q2, Q3, R0, R1)
union {
  #local ponto_medio = (P2 + Q1) / 2;
  #local ponto_medio_raio = (R0 + R1) / 2;
  curva_raios(
    P0, R0,
    P1, interpola(R0, ponto_medio_raio, 0.33),
    P2, interpola(R0, ponto_medio_raio, 0.66),
    ponto_medio, ponto_medio_raio
  )

  curva_raios(
    ponto_medio, ponto_medio_raio,
    Q1, interpola(ponto_medio_raio, R1, 0.33),
    Q2, interpola(ponto_medio_raio, R1 0.66),
    Q3, R1
  )
}
#end

#macro polvo()
union {
  #local TT0 = <0, 0, 0>;
  #local TT1 = <2, 2, 0>;
  #local TT2 = <4, 4 ,0>;
  #local TT3 = <6, 6,0>;
  #local TT4 = <8, 8,0;
  #local TT5 = <10, 10,0>;

  #local tent1 = tentaculo(TT0, TT1, TT2, TT3, TT4, TT5, 1, 0.1)
  #local tent2 = tentaculo(TT0, TT1, TT2, TT3, TT4, TT5, 0.8, 0.2)
  #local tent3 = tentaculo(TT0, TT1, TT2, TT3, TT4, TT5, 0.7, 0.1)

  object { tent3 }
  object { tent1 rotate <0, 0, 120> }
  object { tent2 rotate <0, 0, 240> }

  sphere { <0,0,2>, 1 texture{ tx_fosca }}

}
#end

#declare P0 = <0, 0, 0>;
#declare P1 = <1, 1, 2>;
#declare P2 = <2, 2, 1>;
#declare P3 = <3, 3, 3>;

#declare Q0 = <5, 0, 1>;
#declare Q1 = <6, 2, 1>;
#declare Q2 = <7, 2, 1>;
#declare Q3 = <8, 0, 1>;

#declare R0 = Q3;
#declare R1 = <6, -2, 0>;
#declare R2 = <7, -2, 0>;
#declare R3 = Q0;

#declare W0 = <0, 0, 0>;
#declare W1 = <0, 1, 1>;
#declare W2 = <1, 2, 4>;
#declare W3 = <2, 3, 2>;

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

#macro extrai_quadro(q, i, qi)

#macro extrai_parametro_de_quadro(q, i, qi)
  #local p=0;
  #while (p<np)
    #declare qi[t2][p]=q(i)[t1][p];
    #local p = p+1;
  #end
#end

#macro polvo_quadro ()

#end

#include "eixos.inc"

union{

  polvo()
}

#include "camlight.inc"
#declare centro_cena = < 0.00, 0.00, 0.00 >;
#declare raio_cena = 12.0;
#declare dir_camera = < 14.00, -3.00, 10.00 >;
#declare dist_camera = 16.0;
#declare intens_luz = 1.00;
camlight(centro_cena, raio_cena, dir_camera, dist_camera , z, intens_luz)