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

#declare tx_preto = 
  texture{
    pigment{ color rgb 4*< 0, 0.03, 0.1 > }
    finish{ diffuse 0.9 ambient 0.1 }
  }

#declare tx_branco = 
  texture{
    pigment{ color rgb < 0.8, 0.8, 0.75 > }
    finish{ diffuse 0.9 ambient 0.1 }
  }

// ======================================================================

// Partes da cena:

#declare chao_tabuleiro= 
  cylinder{
    < 0, 0, 0 >,
    < 0, 0, -2.5 >,
    20
  }


#declare cilindro_base = 
  cylinder{
    < 0, 0, 0 >,
    < 0, 0, 0.5 >,
    1
  }

#declare cone_hiperpeao = 
  cone {
    <0, 0, 0>, 0.8 // <x, y, z>, center & radius of one end
    <0, 0, 2.5>, 0.3 // <x, y, z>, center & radius of the other end
  }

#declare esfera_hiperpeao = 
  sphere {
    <0, 0, 0>, 0.75 // <x, y, z>, radius
  }

#declare hiperpeao = 
  union {
    object{ cilindro_base }
    object{ cone_hiperpeao translate < 0,0,0.5 > }
    object{ esfera_hiperpeao translate < 0,0,3 > }
  }

#declare cone_hiperdama = 
  cone {
    <0, 0, 0>, 0.8 // <x, y, z>, center & radius of one end
    <0, 0, 4>, 0.3 // <x, y, z>, center & radius of the other end
  }

#declare cilindro_medio = 
  cylinder{
    < 0, 0, 0 >,
    < 0, 0, 0.25 >,
    0.75
  }

#declare box_hiperdama = 
  box {
    <-0.75, -0.75, -0.75>, <0.75, 0.75, 0.75> // <x, y, z> near lower left corner, <x, y, z> far upper right corner
  }

#declare corte_x_hiperdama = 
  box {
    <-1, -0.35, 0>, <1, 0.35, 1> // <x, y, z> near lower left corner, <x, y, z> far upper right corner
  }

#declare corte_y_hiperdama = 
  box {
    <-0.35, -1, 0>, <0.35, 1, 1> // <x, y, z> near lower left corner, <x, y, z> far upper right corner
  }

#declare hiperdama = 
  union {
    object{ cilindro_base }
    object{ cone_hiperdama translate < 0,0,0.5 > }
    object{ cilindro_medio translate < 0,0,2 > }
    difference {
      object{ box_hiperdama translate < 0,0,4.5 >}
      union {
        object{ corte_x_hiperdama translate < 0,0,4.5 > }
        object{ corte_y_hiperdama translate < 0,0,4.5 > }
      }
    }   
  }

#macro tabuleiro (m, n)
  #declare furo_centro = 5;
  #declare raio = m*3;
  difference {
    cylinder{
      < 0, 0, 0 >,
      < 0, 0, -1 >,
      raio+furo_centro
    }
    cylinder{
      < 0, 0, 0 >,
      < 0, 0, -1 >,
      furo_centro
    }
  }
  
#end

#include "eixos.inc"

#declare nfileiras= 4;
#declare ncasas = 12;
object{ tabuleiro( nfileiras, ncasas ) texture{ tx_branco }}
object{ hiperpeao translate < 0,-2,0 > texture{ tx_preto }}
object{ hiperdama translate < 0,2,0 > texture{ tx_branco }}

#include "camlight.inc"
#declare centro_cena = < 0.00, 0.00, 1.00 >;
#declare raio_cena = 4*nfileiras + 6;
#declare dir_camera = < 14.00, 7.00, 4.00 >;
#declare dist_camera = 5*raio_cena;
#declare intens_luz = 1.20;
camlight(centro_cena, raio_cena, dir_camera, dist_camera , z, intens_luz)