// Last edited on 2017-05-07 20:15:13 by stolfilocal
// 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 roleta = seed(417);

#declare raio = 7;

#macro interpola_1(tt,tt0,vv0,tt1,vv1)

  #local ss = (tt-tt0)/(tt1-tt0);
  (vv0+ss*(vv1-vv0));

#end

#macro gera_segmento_1(m,p0,r0,p1,r1)
  #declare i = 0;
  union {
    #while(i<m)
      #declare centro = interpola_1(i,0,p0,m,p1)
      #declare raio = interpola_1(i,0,r0,m,r1)
      sphere {centro, raio}

      #declare i = i+1;
    #end
  }
#end

#macro interpola_3(tt,tt0,tt1,A,B,C,D)

  #local tp = (tt-tt0)/(tt1-tt0);
  (1-tp)^3*A+3*(1-tp)^2*tp*B+3*tp^2*(1-tp)*C+tp^3*D

#end

#macro interpola_3s(tt,tt0,tt1,A,B,C,D)

  #local AB = interpola_1(tt,tt0,A,tt1,B);
  #local BC = interpola_1(tt,tt0,B,tt1,C);
  #local CD = interpola_1(tt,tt0,C,tt1,D);

  #local ABC = interpola_1(tt,tt0,AB,tt1,BC);
  #local BCD = interpola_1(tt,tt0,BC,tt1,CD);

  #local ABCD = interpola_1(tt,tt0,ABC,tt1,BCD);

  ABCD

#end

#macro gera_segmento_3(m,p0,r0,p1,r1,p2,r2,p3,r3)

  #declare i = 1;
  union {
    #while(i<=m)
      #declare centro = interpola_3s(i,1,m,p0,p1,p2,p3);
      #declare raio = interpola_3s(i,1,m,r0,r1,r2,r3);
      sphere {centro, raio}

      #declare i = i+1;
    #end
  }
#end

#macro define_tentaculo_3(n,PA,PB,PC,PD)
  #declare roleta = seed(417);
  #declare i = 0;
  #while(i<n)

  #end

#end

object {
  gera_segmento_3(300,<0,0,0>,60,
    <120,0,0>,120,
    <450,150,0>,60,
    <600,50,0>,20)
  texture{tx_fosca}
}

#include "camlight.inc"
#declare centro_cena = < 300.00, 77.00, 0.00 >;
#declare raio_cena = 400.0;
#declare dir_camera = < 1.00, 1.00, 1.00 >;
#declare dist_camera = 5*raio_cena;
#declare intens_luz = 1.00;
camlight(centro_cena, raio_cena, dir_camera, dist_camera , z, intens_luz)