// TP02: Espremedor de coco
// Henrique Gaspar Nogueira (073203)
// Last edited on 2010-03-04 15:44:01 by stolfi

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

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

#declare tx_fosca = 
  texture{
    pigment{ color rgb < 1.00, 0.80, 0.10 > }
    finish{ diffuse 0.9 ambient 0.1 }
  }

#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 

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


#declare corpo = 
  box{ <10,-10,-5>, <-10,+10,5> }

#declare cone_1 =
  cone{
    < 0.00, -5.00, 5>, 2,
    < 0.00, -5.00, 15>, 5
    //texture{ tx_fosca }
  }

#declare furo_1 =
  sphere{
    < 0.00, -5.00, 15.00 >, 4 
    //texture{ tx_fosca }
  }

#declare entrada =
  difference { 
    object{ cone_1 }
    object{ furo_1 }
  }

#declare base_roda = 
  cylinder{
    < 0.00, 0.00, -5.00 >,
    < 0.00, 0.00, -10.00 >,
    1
    texture{ tx_fosca }
  }

#declare pneu =
  torus {
    2, 1
  }

#declare roda =
  union {
    object { base_roda }
    object { pneu translate <0, 0, -12.00> rotate < 0.00, 0.00, 90.00 > }
  }

// Aqui está a cena, finalmente:

union{

  object{ chao  translate < 0,0,-15.00 > texture{ tx_xadrez } }

  object { entrada texture{ tx_fosca }}
  object { entrada rotate < -90.00, 0.00, 0.00 > translate < 0.00, 5.00, -5.00 > texture{ tx_fosca }}
  object { corpo texture{ tx_fosca } }
  object { roda translate < -8.00, -8.00, 0.00 >}
  object { roda translate < 8.00, 8.00, 0.00 >}
  object { roda translate < -8.00, 8.00, 0.00 >}
  object { roda translate < 8.00, -8.00, 0.00 >}

}

#include "camlight.inc"
#declare centro_cena = < 0.00, 0.00, 0.00 >;
#declare raio_cena = 30.0;
#declare dir_camera = < 160.00, 160.00, 40.00 >;
#declare dist_camera = 200.0;
#declare intens_luz = 1.00;
camlight(centro_cena, raio_cena, dir_camera, dist_camera , z, intens_luz)