// ======================================================================
// 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
  }

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

// Partes da cena:
  
#declare cabo = 
  box{ < -2,0,0 >, < 5,0.5,0.5 > 
  texture{ pigment{ color rgb <1,1,0> } }
}

#declare garra = 
  box{ < -1,0,0 >, < -2,0.5,0.5> 
  texture{ pigment{ color rgb <1,1,0> } }
}

#declare parafuso =
  cylinder{ <0,-0.3,0.3>,<0,0.8,0.3>,0.2
  texture{ pigment{ color rgb <0.5,0.5,0.5> } }
}

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

#macro tool (alfa)
  union{
    object{ cabo rotate <0,alfa,0>}    

    object{ cabo rotate <0,-1*alfa,0>}

    object{ garra translate -<-1.5,0.25,0.25> rotate <0,alfa,0> translate <-1.5,0.25,0.25> translate <-0.6*cos(radians(alfa)),0,-1.5*sin(radians(alfa))>}
    
    object{ garra translate -<-1.5,0.25,0.25> rotate <0,-1*alfa,0> translate <-1.5,0.25,0.25> translate <-0.3*cos(radians(alfa)),0,1.5*sin(radians(alfa))>}
    
    object{ parafuso }
  }
#end

#include "eixos.inc"

// Aqui está a cena, finalmente:

union{
  object{ eixos(3.00) }
  

  object{ chao  translate < 0,0,-5 > texture{ tx_xadrez } }
  union{
    object{ tool(30) translate <0,0,0>}  
    object{ tool(45) translate <0,5,-2>}
    object{ tool(20) translate <0,-5,2>}
  }

}

#include "camlight.inc"
#declare centro_cena = < 0.00, 0.00, 1.00 >;
#declare raio_cena = 12.0;
#declare dir_camera = < 1, 4, 1 >;
#declare dist_camera = 22.0;
#declare intens_luz = 1;
camlight(centro_cena, raio_cena, dir_camera, dist_camera , z, intens_luz)