// Exemplo de arquivo de descricao de cena para POV-ray
// Last edited on 2023-09-14 16:21:51 by stolfilocal

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

background{ color rgb < 0.75, 0.80, 0.85 > }

#declare tx_plastico = 
  texture{
    pigment{ color rgb < 0.80, 0.80, 1.00 > }
    finish{ diffuse 0.8 ambient 0.1 specular 0.5 roughness 0.005 }
  }

#declare tx_bug1 = 
  texture{
    pigment{ color rgb < 1.00, 1.00, 0.00 > }
    finish{ diffuse 0.5 ambient 0.5 }
  }

#declare tx_bug2 = 
  texture{
    pigment{ color rgb < 1.00, 0.00, 0.00 > }
    finish{ diffuse 0.5 ambient 0.5 }
  }

#declare tx_bug3 = 
  texture{
    pigment{ color rgb < 0.00, 1.00, 0.00 > }
    finish{ diffuse 0.5 ambient 0.5 }
  }

#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 < 1.51, 0.50, 0.68 > }
    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 raio = 5.000;

// Partes da cena:
  
#declare bolinha = 
  sphere{ < 0,0,1 >, 0.5 }
 
#declare bolota = 
  sphere{ < 0,0,0 >, 1.50 }
 
#declare bola =
  sphere{
    < 0.00, 0.00, 0.00 >, raio 
    texture{ tx_plastico }
  }

  
#declare pino = 
  cylinder{
    < 0, 0, 0 >,
    < 0, 0, +1.00 >,
    0.75
    texture{ tx_fosca }
  }
  
#declare furo = 
  cylinder{
    < 0, 0, 0 >,
    < 0, 3, 0 >,
    0.15*raio
    texture{ tx_vidro }
  }

#declare MyCone = cone {
  <0, 0, 0>, 1.0 // <x, y, z>, center & radius of one end
  <0, 0, 1>, 0.25 // <x, y, z>, center & radius of the other end
  
}

#declare MyConeCoroa = cone {
  <0, 0, 0>, 0.1 // <x, y, z>, center & radius of one end
  <0, 0, 1>, 0.05 // <x, y, z>, center & radius of the other end
  
}


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

#declare MyDisc = disc {
  <0, 0, 0>, <0, 0, 1>, 1
}


#declare peao = union{
  object{MyCone}
  object {bolinha translate <0, 0, 0.5>} // <x, y, z>
  texture{ tx_bug1 } // Professor.
}

#declare rainha = union{
  object{pino}
  union{
    object{MyConeCoroa translate<0,0,1> rotate <30, 0, 0>} // <x°, y°, z°>}
    object{MyConeCoroa translate<0,0,1> rotate <0, 0, 0>} // <x°, y°, z°>}
    object{MyConeCoroa translate<0,0,1> rotate <-30, 0, 0>} // <x°, y°, z°>}
    texture{ tx_bug2 } // Professor.
  }
}

#macro tabuleiro(rows, columns)
  union{   
  #local i = 0;
  #while(i<rows)
    #local j = 0;
    #while(j<columns)
      sphere{<i,0,0>,0.2 rotate <0,0,360/columns*j>texture{ tx_bug3 } }
      #local j = j+1;
      #end
    #local i = i+1;
    #end
  }
  
#end

#include "eixos.inc"

// Aqui está a cena, finalmente:

#local linhas = 10;
#local colunas = 20;

union{
  
  object{ eixos(6.00) }

  object{tabuleiro(linhas, colunas)}

  #local k = 0;
  #while(k<5)
    union{
      // object{tabuleiro(5,5)}
      object{peao translate<k, 0, 0> scale<0.5,0.5,0.5> rotate <0,0,360/k*5>}
    }
    #local k = k+1;
  #end
}

#include "camlight.inc"
#declare centro_cena = < 0.00, 0.00, 1.00 >;
#declare raio_cena = 1.25*linhas;
#declare dir_camera = < 14.00, 7.00, 4.00 >;
#declare dist_camera = 10*raio_cena;
#declare intens_luz = 1.20;
camlight(centro_cena, raio_cena, dir_camera, dist_camera , z, intens_luz)