// Exemplo de arquivo de descricao de cena para POV-ray
// Last edited on 2020-09-30 19:57:13 by jstolfi

// ======================================================================
// CORES E TEXTURAS

#declare semente = seed(42);

#declare M = 500;
#declare N = 500;
#declare A = array[M*N];
#declare num_ponta_tanque = 0;

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
  }

// ======================================================================
// DESCRI��O DA CENA 

#declare raio = 2.000;

// Partes da cena:
  

#declare tanqueA = union {
  union {
    box {
      <-1, -1, 0>, <1, 1, 0.2> // <x, y, z> near lower left corner, <x, y, z> far upper right corner
      texture {tx_plastico}
      }
    
    cone {
      <0, 0, 0.2>, 0.25 // <x, y, z>, center & radius of one end
      <0, 0, 1.3>, 1 // <x, y, z>, center & radius of the other end
      texture {tx_plastico}
    }
  }
}


#declare tanqueB = union {
  union {
    cylinder {
      <0, 0, 0>, <0, 0, 1>, 1 // center of one end, center of other end, radius
      texture {tx_plastico}
    }

    box {
      <-0.6, -0.6, 1>, <0.6, 0.6, 1.6> // <x, y, z> near lower left corner, <x, y, z> far upper right corner
      texture {tx_plastico}
    }
  }
}


#declare tanqueC = union {
  union {
    box {
      <-1, -1, 0>, <1, 1, 2> // <x, y, z> near lower left corner, <x, y, z> far upper right corner
      texture {tx_plastico}
    }

    sphere {
      <0, 0, 2>, 1 // <x, y, z>, radius
      texture {tx_plastico}
    }
  }
}


#declare chao = 
  box{ <-200,-200,-1>, <+200,+200,0> }


#include "eixos.inc"


#macro gera_tanquesA(xx, yy)
union {
  #local p1 = <xx, yy, 0>;
  #local q1 = <xx, yy+2, 0.7>;
  #local q2 = <2+xx, yy, 0.7>;
  #local q3 = <xx, -2+yy, 0.7>;

  #declare A[num_ponta_tanque] = q1;
  #declare num_ponta_tanque = num_ponta_tanque + 1;



    box {
      <xx-1, yy-1, 0>, <xx+1, yy+1, 0.2> // <x, y, z> near lower left corner, <x, y, z> far upper right corner
      texture {tx_plastico}
      }
    
    cone {
      <xx, yy, 0.2>, 0.25 // <x, y, z>, center & radius of one end
      <xx, yy, 1.3>, 1 // <x, y, z>, center & radius of the other end
      texture {tx_plastico}
    }
    cylinder {
      <xx, yy, 0.7>, q1, 0.1 // center of one end, center of other end, radius
      open // remove end caps
      texture {tx_fosca}
    }

    cylinder {
      <xx, yy, 0.7>, q2, 0.1 // center of one end, center of other end, radius
      open // remove end caps
      texture {tx_fosca}
    }
    cylinder {
      <xx, yy, 0.7>, q3, 0.1 // center of one end, center of other end, radius
      open // remove end caps
      texture {tx_fosca}
    }
  }
#end

#macro gera_tanquesB(xx, yy)
union {
  #local p1 = <xx, yy, 0>;
  #local q1 = <xx, yy+2, 0.7>;
  #local q2 = <2+xx, yy, 0.7>;
  #local q3 = <xx, -2+yy, 0.7>;

  #declare A[num_ponta_tanque] = q1;
  #declare num_ponta_tanque = num_ponta_tanque + 1;

    cylinder {
      <xx, yy, 0>, <xx, yy, 1>, 1 // center of one end, center of other end, radius
      texture {tx_plastico}
    }

    box {
      <xx-0.6, yy-0.6, 1>, <xx+0.6, yy+0.6, 1.6> // <x, y, z> near lower left corner, <x, y, z> far upper right corner
      texture {tx_plastico}
    }

    cylinder {
      <xx, yy, 0.7>, <xx, yy+2, 0.7>, 0.1 // center of one end, center of other end, radius
      open // remove end caps
      texture {tx_fosca}
    }

    cylinder {
      <xx, yy, 0.7>, <2+xx, yy, 0.7>, 0.1 // center of one end, center of other end, radius
      open // remove end caps
      texture {tx_fosca}
    }
    cylinder {
      <xx, yy, 0.7>, <xx, -2+yy, 0.7>, 0.1 // center of one end, center of other end, radius
      open // remove end caps
      texture {tx_fosca}
    }
  }
#end

#macro gera_tanquesC(xx, yy)
union {

  #local p1 = <xx, yy, 0>;
  #local q1 = <xx, yy+2, 0.7>;
  #local q2 = <2+xx, yy, 0.7>;
  #local q3 = <xx, -2+yy, 0.7>;

  #declare A[num_ponta_tanque] = q1;
  #declare num_ponta_tanque = num_ponta_tanque + 1;

    box {
      <xx-1, yy-1, 0>, <xx+1, yy+1, 2> // <x, y, z> near lower left corner, <x, y, z> far upper right corner
      texture {tx_plastico}
    }

    sphere {
      <xx, yy, 2>, 1 // <x, y, z>, radius
      texture {tx_plastico}
    }

    cylinder {
      <xx, yy, 0.7>, <xx, yy+2, 0.7>, 0.1 // center of one end, center of other end, radius
      open // remove end caps
      texture {tx_fosca}
    }

    cylinder {
      <xx, yy, 0.7>, <2+xx, yy, 0.7>, 0.1 // center of one end, center of other end, radius
      open // remove end caps
      texture {tx_fosca}
    }
    cylinder {
      <xx, yy, 0.7>, <xx, -2+yy, 0.7>, 0.1 // center of one end, center of other end, radius
      open // remove end caps
      texture {tx_fosca}
    }
  }
#end


#macro gera_tanques_grade(m, n)
 #local tipo_tanque = int(3*rand(semente));

  #if(tipo_tanque = 0)
    object {gera_tanquesA(m, n)}
  #end

  #if(tipo_tanque = 1)
    object {gera_tanquesB(m, n)}
  #end

  #if(tipo_tanque = 2)
    object {gera_tanquesC(m, n)}
  #end

#end


// #macro gera_tubulacoes(p, q)
//   union {
//     cylinder {
//       p, <p.x, p.y, p.z+5>, 0.1 // center of one end, center of other end, radius
      
//     }
//   }
// #end


// Aqui est� a cena, finalmente:

#declare m_atual = 0;
#while(m_atual < M)
  #declare n_atual = 0;
  #while(n_atual < N)
  object {gera_tanques_grade(m_atual, n_atual)}
  #declare n_atual = n_atual + 10;
  #end
  #declare m_atual = m_atual + 10;
#end

// #declare ponta_tanque_atual = 0;
// #while(ponta_tanque_atual < M*N)
//   object{gera_tubulacoes(ponta_tanque_atual, ponta_tanque_atual)}
  
//   #declare ponta_tanque_atual = ponta_tanque_atual + 1;
// #end

union{
  object{ eixos(3.00) }

  object{ chao  translate < 0,0,-5 > texture{ tx_xadrez } }

  // object {gera_tanques_grade(2, 2)}
  
}

#include "camlight.inc"
#declare centro_cena = < 0.00, 0.00, 1.00 >;
#declare raio_cena = 30.0;
#declare dir_camera = < 200.00, 200.00, 50.00 >;
#declare dist_camera = 5*raio_cena;
#declare intens_luz = 1.20;
camlight(centro_cena, raio_cena, dir_camera, dist_camera , z, intens_luz)