// Quinto exercicio de MP004
// Last edited on 2001-06-09 16:09:00 by Marcus Macedo 

background{ color rgb < 0.9, 0.9, 0.9 > }

light_source {
  < 16.00, 15.00, 12.00 >
  color rgb < 1.00, 1.00, 1.00 >
} 

camera {
  location  < 15.00, 8.50, 6.00 >
  right     < -1.20, 0.00, 0.00 >
  up        <  0.00, 0.00, 0.90 >
  sky       <  0.00, 0.00, 1.00 >
  look_at   <  2.50, 4.50, 2.50 >
} 

#declare amarelo_cinzento =
  texture {
    pigment { color rgb < 1.00, 1.00, 0.80 > }
    finish { diffuse 0.5 specular 0.5 roughness 0.005 ambient 0.1 }
  }
 
#declare teto =
  box { < 0, 0, 4>, < 5, 9, 5> texture { amarelo_cinzento } }

#declare templo =
  union {
    #declare g = seed(182736);
    #declare i = 1;
    #while (i < 7)
      #declare alt = 0.5 + 4.5*rand(g);
      #declare cx = 4*rand(g);
      #declare cy = 8*rand(g);
      #declare cor =
      #if (rand(g) < 0.5)
        texture {
          pigment { color rgb < 1.00, 0.00, 0.00 > }
          finish { diffuse 0.5 specular 0.5 roughness 0.005 ambient 0.1 }
        }
      #else
        texture {
          pigment { color rgb < 0.00, 1.00, 0.00 > }
          finish { diffuse 0.5 specular 0.5 roughness 0.005 ambient 0.1 }
        }
      #end
      #declare coluna =
        union {
          box { < 0, 0, 0>, < 1, 1, 0.5> }
          cylinder { < 0.5, 0.5, 0.5 >, < 0.5, 0.5, 0.5 + alt >, 0.25 }
          cone {
            < 0.5, 0.5, 0.5 + alt >, 0.25
            < 0.5, 0.5, 1.0 + alt >, 0.0
          }
          texture { cor }
          translate < cx, cy, 0>
        }
      object { coluna }
      #declare i = i + 1;
    #end
    object { teto }
  }

#declare chao =
  plane { z, 0 pigment { color rgb < 0.00, 0.80, 0.90 > } }

// Aqui está a cena, finalmente:

object { chao }
object { templo }