//Tp04 by Carlos Robson
// ======================================================================
// CORES E TEXTURAS

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

#declare Yellow = rgb<255, 255, 0>;
#declare Black =  rgb < 0.4, 0.4, 0.4 >;


#declare esfera =
	sphere {
		< 0, 0,  0>, 0.5 // Near lower left corner
		pigment {Yellow}
	}
	
  
// ======================================================================
// DESCRIÇÃO DA CENA 

#include "eixos.inc"

object{ eixos(3.00) }

#declare roleta1 = seed(2);

#macro circulo(n, r)
	union{
		#declare i = 0;
		#while(i<n)
			object { esfera translate <0, r * sin(i), r * cos(i)> }
			#declare i=i+1;
		#end
	}
#end

#macro quadrado(n, l)
	union{
		#declare j = 0;
		#while(j<n)
			#if( j < n/4)
				object { esfera translate <0, j/(n/4), 0> }
			#end
			#if( (j > n/4) & (j < n/2))
				object { esfera translate <0, n/4, ((j/(n/2))+(n/4))> }
			#end
			#declare j=j+1;
		#end
	}
#end
object{circulo(100, 5)}
//object{quadrado(100, 4)}


#include "camlight.inc"
#declare centro_cena = < 0.00, 0.00, 1.00 >;
#declare raio_cena = 10.0;
#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)