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

// ======================================================================
// CORES E TEXTURAS
#include "textures.inc"
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
  }


#declare tx_marrom = 
  texture{
    pigment{ color rgb < 0.92, 0.51, 0.23 > }
    finish{ diffuse 0.8 ambient 0.1 specular 0.5 roughness 0.005 }
  }

#declare tx_verde = //35,142,35
  texture{
    pigment{ color rgb < 0.35, 1.42, 0.35 > }
    finish{ diffuse 0.8 ambient 0.1 specular 0.5 roughness 0.005 }
  }

#declare tx_verde_escuro = //47,79,47
  texture{
    pigment{ color rgb < 0.47,0.79, 0.47 > }
    finish{ diffuse 0.8 ambient 0.1 specular 0.5 roughness 0.005 }
  }

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

#declare raio = 2.000;
#declare raioPequeno = 1.000;

// Partes da cena:
 
#declare tronco = 
  cone{
	<0, 0, 0>, 1.2    
    <0, 0, 5>, 1
	}

#declare galho = 
	cylinder{
		<0, 0, 0>,   
		<0, 0, 3>, 0.5
	}


#declare subgalho = 
	cylinder{
		<0, 0, 0>,   
		<0, 0, 1>, 0.25
	}

#declare dinheiro = 
	box{
		<0,0,0>, 
		<0,6,3.25> 
	}

#declare moeda = 
	cylinder{
		<0, 0, 0>,   
		<0, 0, 0.15>, 0.8
		texture { Chrome_Metal }
	}

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

#include "eixos.inc"

// Aqui está a cena, finalmente:

#macro arvore (n,a,b,c)
	#if (n = 0)
	union{
		object{ tronco texture{ tx_marrom } }
		object{ dinheiro rotate 10 *y translate < 0,0,5 > texture{ tx_verde } }
		object{ dinheiro rotate 10 *x translate < 0,0,2.5 > texture{ tx_verde } }
		object{ dinheiro rotate -10 *y translate < 0,0,0 > texture{ tx_verde } }
		object{ dinheiro rotate 10 *x translate < 0,-5.1,5 > texture{ tx_verde } }
		object{ dinheiro rotate -10 *y translate < 0,-5.1,2.5 > texture{ tx_verde } }
		object{ dinheiro translate < 0,-5.1,0 > texture{ tx_verde } }
	}
	#else
		union{
			object{ eixos(3.00) }

			object{ tronco texture{ tx_marrom } }
			object{ moeda  rotate 90 *y translate < 0,0,5+0.8 > }
			object{ arvore(n-1,a,b,c) scale < a,b,c > rotate 60 *y translate < 1,0,4 > texture{ tx_marrom } }
			object{ arvore(n-1,a,b,c) scale < a,b,c > rotate -40 *y translate < -1,0,4 > texture{ tx_marrom } }

		}
	#end
#end
object{ arvore(3 ,0.41, 0.41, 0.4) translate < 0,0,0 > texture{ tx_plastico } }

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

#include "camlight.inc"
#declare centro_cena = < 0.00, 0.00, 2.00 >;
#declare raio_cena = 15.0;
#declare dir_camera = < 2.00, 5.00, 3.00 >;
#declare dist_camera = 7.0;
#declare intens_luz = 1.00;
camlight(centro_cena, raio_cena, dir_camera, dist_camera , z, intens_luz)