// 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
  }

#declare valores = array[2];

#declare valores[0] = (1-clock)*11 + (clock)*11.6; //11 eh o valor inicial e 12 eh o valor final
#declare valores[1] = (1-clock)*15 + (clock)*16.3;
/*#declare valores[2] = 11;
#declare valores[3] = 10;
#declare valores[4] = 5;
#declare valores[5] = 15;
#declare valores[6] = 13;
#declare valores[7] = 8;
#declare valores[8] = 7;
#declare valores[9] = 14;
*/
#declare chao = 
  box{ <-20,-20,-1>, <+20,+20,0> }

#declare roleta  = seed(5112);
/////////////////////////////////////////////////////////////////////////////////////////////////////////


/***********************************************************************************************************/


#macro caixa()
difference
{
	box{< 0.00, 0.00, 0.00 >, <2,1,1> texture{ tx_fosca }  }
	box{< 0.2, -1.20, .20 >, <1.8,1.2,.8> texture{ tx_fosca }  }
}
#end

#macro haste()
 cylinder{
    < 0.00, 0.00, 0.00 >,
    < 0.00, 0.00, 1.5 >,
    0.05
    texture{ tx_fosca }
	}
#end

#macro value(bin)
union
	{
	cone{ <0, 0, 0>, 	0.3 <0, 0, .8>,	0 	texture{ tx_fosca } 	translate <0,0,1*(bin)> } 
	haste()
	}
#end



#macro bit(bin, prob)
	#local def = (rand(roleta) < prob);
	#if (def = 0)
		object {value(bin) }
	#end
	#if (def = 1)
		object {haste() }
	#end
#end

#macro fileira (numbits,valor,prob)
	#local r = int(valor);
	#local f = valor - r;
	#local vb = mod(r,2);
	#local k =0;
	#local valorf = 0;
	union
	{
	#while (k < numbits)
		#local vb =  mod(r,2);
		#if (vb = 0)
			#local valorf = f;
			#local f = 0;
		#else
			#local valorf = 1-f;
		#end
		object{ bit( valorf, prob ) translate <k,0,0> }
		#local r = int(r/2);
		#local k = k+1;
	#end
	}
#end



#macro abaco(m,n,valores, prob)
	#local i = 0;	
	union
	{
		#while (i<m)
			object{fileira(n, valores[i], prob) translate <0,0,2*i>}
			#local i=i+1;
		#end
	}
#end	


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

#declare raio = 2.000;

#include "eixos.inc"

// Aqui está a cena, finalmente:


 	//object{ eixos(3.00) }
	object{ chao  translate < 0,0,-5 > texture{ tx_xadrez } }
 	object {abaco(2,5,valores, 0) translate <1,1,1> }
	//object {bit(0.3, 0)}



#include "camlight.inc"
#declare centro_cena = < 0.00, 0.00, 1.00 >;
#declare raio_cena = (1-clock)*10+(clock)*15.0;
//#declare raio_cena = 10.0;
#declare dir_camera = < 8.00,3.00, 4.00 >;
#declare dist_camera = 10.0;
#declare intens_luz = 1.00;
camlight(centro_cena, raio_cena, dir_camera, dist_camera , z, intens_luz)