//NOME: Plinio A. S. Freire  ra082505
// ============================================================================================
#include "eixos.inc"

//camera e luz 

#include "camlight.inc"
#declare centro_cena = < 0.00, 0.00, 1.00 >;
#declare raio_cena = 6.0;
#declare dir_camera = < 20.00, 2.00, 4.50 >;
#declare dist_camera = 16.0;
#declare intens_luz = 1.00;
camlight(centro_cena, raio_cena, dir_camera, dist_camera , z, intens_luz)


// 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 tx_red =
  texture{
    pigment{ color rgb <1, 0, 0 >}
    finish{ diffuse 0.9 ambient 0.1 }
}

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

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


// ============================================================================================


union{

//  object{ eixos(3.00) }


  box{<-20,-20,-1>, <20,20,-1> texture{ tx_xadrez } }

  difference {
    box{ <-1,-1,-1>, <1,1,1> texture{tx_plastico}}
    box{ <-0.9,-0.9,-0.9>, <0.9,0.9,1.1> texture{tx_plastico}}
  }

  cylinder{ <0,0,0>, <2,2.5,3.5>, 0.15 texture{tx_fosca}}
  cylinder{ <0,0,0>, <2,-2,3.5>, 0.15 texture{tx_fosca}}
  
  cone{ <0,0,0>, 1, <0,0,3>, 0 texture{tx_red}}

  sphere{<0,-0.7,2.1>, 0.2 texture{tx_green}}
  sphere{<0,1,2.5>, 0.2 texture{tx_blue}}

}