// ======================================================================
// CORES E TEXTURAS

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

#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_gato =
  texture{
    pigment{ color rgb <0.4,0.4,0.4>}
  }

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

// Partes da cena:

#declare chao = 
  box{ <-20,-20,-1>, <+20,+20,0> }
#declare cabeca =
  sphere{ <0,0,0>, 1 texture{ tx_gato }}
#declare tronco =
  cone {<0,0,0>, 2, <0,0,4>, 1 texture{ tx_gato }}
#declare orelha =
  cone {<0,0,0>, 0.3, <0,0,0.7>, 0 texture{ tx_gato }}

#macro gato(bdir,besq,abdir,abesq)
  union{ 
    object{cabeca translate <0,0,5>}
    object{orelha translate <0,+0.6,5.6>}
    object{orelha translate <0,-0.6,5.6>}
    object{tronco translate <0,0,0>}
    object{braco(abdir) rotate <bdir,0,0> translate <0,+1,3.7> }
    object{braco(abesq) rotate <besq,0,0> scale<+1,-1,+1>  translate <0,-1,3.7>}
//    object{perna() translate <0,+1,-0.1>}
//    object{perna() scale<+1,-1,+1> translate <0,-1,-0.1>}
  }
#end

#macro braco(alfa)
  #local ombro = sphere {<0,0,0>, 0.4 texture{ tx_gato }}
  #local brac = cylinder {<0,0,0>, <0,0,-1.7>, 0.4 texture{ tx_gato }}
  
  union{
    object{ ombro }
    object{ brac translate <0,0,-0.1> }
    object{ antebraco() rotate <0,-alfa,0> translate <0,0,-1.9> }
  }
#end

#macro antebraco()
  #local cotovelo = sphere {<0,0,0>, 0.4 texture{ tx_gato }}
  #local antebrac = cylinder {<0,0,0>, <0,0,-2>, 0.4 texture{ tx_gato }}
  #local mao = sphere {<0,0,0> 0.5 texture{ tx_gato }}
  
  union{
    object { cotovelo }
    object { antebrac translate <0,0,-0.1> }
    object { mao translate <0,0,-2.3> }
  }
#end

// #macro perna()
//   #local articoxa = sphere {<0,0,0>, 0.5 texture{ tx_gato }}
//   #local cox = cylinder {<0,0,0>, <0,0,-1.7>, 0.6 texture{ tx_gato }}
//   
//   union{
//     object{ articoxa }
//     object{ cox translate <0,0,-0,2> }
//     object{ anteperna() translate <0,0,-1.9> }
//   }
// #end
// 
// #macro anteperna()
// #end
// #macro canela()
// #end
// #macro pe()
// #end




#include "eixos.inc"

// Aqui está a cena, finalmente:

union{
  object{ eixos(3.00) }
  
  object{ chao  translate < 0,0,-5 > texture{ tx_xadrez } }
  
  object{ gato(30,60,15,50) translate <0,4,0>}

  object{ gato(90,30,90,15) translate <0,-4,0>}
  

}

#include "camlight.inc"
#declare centro_cena = < 0.00, 0.00, 1.00 >;
#declare raio_cena = 10.0;
#declare dir_camera = < 4, 0, 2 >;
#declare dist_camera = 10.0;
#declare intens_luz = 1;
camlight(centro_cena, raio_cena, dir_camera, dist_camera , z, intens_luz)