// Exemplo de arquivo de descricao de cena para POV-ray
// Last edited on 2017-05-07 20:10:09 by stolfilocal

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

background{ color rgb < 0.20, 0.40, 0.60 > }

#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_alt = 
  texture{
    pigment{ color rgb < 0.10, 0.40, 0.20 > transmit 0.91 }
    finish{ diffuse 0.8 ambient 0.1 specular 0.5 roughness 0.005 }
  }

#declare tx_alt2 = 
  texture{
    pigment{ color rgb < 0.70, 0.40, 0.50 > transmit 0.81 }
    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 < 0.50, 0.32, 0.60 >, color rgb < 1.00, 0.97, 0.90 > }
    finish{ diffuse 0.9 ambient 0.1 }
    scale 3.0
  }

// ======================================================================
// DESCRIÇÃO DA CENA 

#declare raio = 1.500;

// Partes da cena:

#declare N = 180;
#declare p = 20;

#declare centroh = array[p];
#declare centrov = array[p];

#declare m = 0;

#declare bolas = 
//horizontal balls
  #declare i = 0;
  #while (i < p)
    #declare centroh[i] = <0, i, 3>;
    #declare i = i +1;
  #end
  
  #declare i  = 0;
  #while (i < p)
    sphere {
      centroh[i], raio*1.0
      texture {tx_alt2}
    }
  #declare i = i +1;
  #end

//vertical balls
  #declare i = 0;
  #while (i < p)
    #declare centrov[i] = <2, 2+18, 4+i>;
    #declare i = i +1;

  #end  
  #declare i  = 0;
  #while (i < p/2)
    sphere {
      centrov[i], raio*1.0
      texture {tx_alt2}
    }
  #declare i = i +1;
  #end

//second line horizontal

#declare i = 0;
  #while (i < p/2)
    #declare centroh[i] = <0, i, 3+18>;
    #declare i = i +1;

  #end
  
  #declare i  = 0;
  #while (i < p)
    sphere {
      centroh[i], raio*1.0
      texture {tx_alt2}
    }
  #declare i = i +1;
  #end

//third line horizontal
#declare i = p/2;
  #while (i < p)
    #declare centroh[i] = <0, i, 3+9>;
    #declare i = i +1;

  #end
  
  #declare i  = 0;
  #while (i < p)
    sphere {
      centroh[i], raio*1.0
      texture {tx_alt2}
    }
  #declare i = i +1;
  #end



//second line vertical
  #declare i = 0;
  #while (i < p)
    #declare centrov[i] = <2, 2, 4+i>;
    #declare i = i +1;

  #end  
  #declare i  = 0;
  #while (i < p)
    sphere {
      centrov[i], raio*1.0
      texture {tx_alt2}
    }
  #declare i = i +1;
  #end

//third line vertical
  #declare i = 0;
  #while (i < p)
    #declare centrov[i] = <2, 2+9, 4+i>;
    #declare i = i +1;

  #end  
  #declare i  = p/2;
  #while (i < p)
    sphere {
      centrov[i], raio*1.0
      texture {tx_alt2}
    }
  #declare i = i +1;
  #end


#declare chao = 
  box{ <-9,-10,-1>, <+9.0,+5,0> }


#include "eixos.inc"

// Aqui está a cena, finalmente:

union{
  object { eixos(1.00) }
  
//  object {chao texture {tx_xadrez}}
  
  object {bolas}

  difference{ 

    
  }
}

#include "camlight.inc"
#declare centro_cena = < 0.00, 0.00, 1.00 >;
#declare raio_cena = 56.0;
#declare dir_camera = < 14.00, 7.00, 4.00 >;
#declare dist_camera = 8*raio_cena;
#declare intens_luz = 1.20;
camlight(centro_cena, raio_cena, dir_camera, dist_camera , z, intens_luz)