// Exemplo de arquivo de descricao de cena para POV-ray
// Last edited on 2010-03-04 15:44:01 by stolfi

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

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
  }

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

#declare raio = 2.000;

// Partes da cena:


#declare cilindro =
  cylinder{ < 0, 0, 0.00 >,< 0, 0, +4.00 >,0.1
     texture{ tx_plastico }
  }
  
#declare cilindro2 =
  cylinder{ < 0, 0, -0.75 >,< 0, 0, +0.00 >,0.5
     texture{ tx_plastico }
  }
  
  
#macro dinheiro(n) 

    box{<0,0,0>,<0.5,0.5,0.5>
     texture{  tx_fosca }
    } 

 #end



#macro macrobase(n)

    union{

      //base
      cylinder{ < 0, 0, 0.00 >,< 0, 0, +n >,0.1
        texture{ tx_plastico }
        }
        
      cylinder{ < 0, 0, 0.00 >,< 0, 0, +n >,0.1
        texture{ tx_plastico } rotate <45,0,0> translate <0,0,n>
        }
        
      cylinder{ < 0, 0, 0.00 >,< 0, 0, +n >,0.1
        texture{ tx_plastico } rotate <-45,0,0> translate <0,0,n>
        }
     
    }

#end


#include "eixos.inc"

// Aqui está a cena, finalmente:


#macro arvore(n,comprimento,grossura)

    #if (n = 0)
        
        union {
    
            object{dinheiro(n) }
    
        }
    #else
    
        union {
            
            macrobase(n)
            
            //object{ arvore(n-1,0,0) }
            
            object{ arvore(n-1,0,0) rotate <-45,0,0> translate <0,0,n-1>}
            
            object{ arvore(n-1,0,0) rotate <45,0,0> translate <0,0,n-1>}
            
            //object{ arvore(n-1,0,0) rotate <-45,0,0> translate <n,0,n>}
    
        }
    
    #end

#end


arvore(4,0,0)

//object{arvore(10,0,0)}


#include "camlight.inc"
#declare centro_cena = < 0.00, 0.00, 1.00 >;
#declare raio_cena = 12.0;
#declare dir_camera = < 14.00, 7.00, 4.00 >;
#declare dist_camera = 16.0;
#declare intens_luz = 1.00;
camlight(centro_cena, raio_cena, dir_camera, dist_camera , z, intens_luz)