// CORES E TEXTURAS

#declare tx_fosca = 
  texture{
    pigment{ color rgb < 1, 1, 1 > }
    finish{ diffuse 0.9 ambient 0.1 }
 	}

#declare tx_fosca2 = 
  texture{
    pigment{ color rgb < 1, 0, 1 > }
    finish{ diffuse 0.9 ambient 0.1 }
 	}

#declare tx_fosca3 = 
  texture{
    pigment{ color rgb < 0.3, 0.6, 0.154 > }
    finish{ diffuse 0.9 ambient 0.1 }
 	}

#declare tx_fosca4 = 
  texture{
    pigment{ color rgb < 1, 0, 0 > }
    finish{ diffuse 0.9 ambient 0.1 }
 	}
// ======================================================================
// DESCRIÇÃO DA CENA 


// Partes da cena:
#include "eixos.inc"

object{eixos(10)}
union{
	difference{
		difference{ prism{ 0 11 5 <-19,-19>,<19,-19>,<19,19>,<-19,19>,<0,0> translate<-10,-10,-10> rotate<0,0,90> texture{tx_fosca} }
								prism{ 1 10 5 <-20,-20>,<20,-20>,<20,20>,<-20,20>,<0,0> translate<-10,-10,-10> rotate<0,0,90> texture{tx_fosca} }
		}
		text{ttf "arial.ttf" "OBA" 100 2.0 texture{tx_fosca} rotate<60,0,90> translate<10,0,0>}
	}
	light_source{<1,1,1> rgb <1,1,1> }
	
}



#include "camlight.inc"
#declare centro_cena = < 0,0,0>;
#declare raio_cena = 30;
#declare dir_camera = < 4,1,3 >;
#declare dist_camera = 5*raio_cena;
#declare intens_luz = 1.20;
camlight(centro_cena, raio_cena, dir_camera, dist_camera , z, intens_luz)