// Last edited on 2003-12-12 14:49:37 by stolfi

#declare bz_name = "Cebolinha"

#include "colors.inc"
#include "stones.inc"
#include "textures.inc"

#declare A11 = < 0.00,-3.00, 3.00 >;
#declare A12 = < 1.50,-2.60, 3.00 >;
#declare A13 = < 2.60,-1.50, 3.00 >;
#declare A14 = < 3.00, 0.00, 3.00 >;
#declare A21 = < 0.00,-3.20, 2.00 >;
#declare A22 = < 1.60,-2.77, 2.00 >;
#declare A23 = < 2.77,-1.60, 2.00 >;
#declare A24 = < 3.20, 0.00, 2.00 >;
#declare A31 = < 0.00,-3.40, 1.00 >;
#declare A32 = < 1.70,-2.94, 1.00 >;
#declare A33 = < 2.94, 1.70, 1.00 > + 0.0001*z;
#declare A34 = < 3.40, 0.00, 1.00 >;
#declare A41 = < 0.00,-3.60, 0.00 >;
#declare A42 = < 1.80,-3.29, 0.00 >;
#declare A43 = < 3.29,-1.80, 0.00 >;
#declare A44 = < 3.60, 0.00, 0.00 >;

#declare B11 = A14;
#declare B12 = <2.60, 1.50, 0.00 >;
#declare B13 = <1.50, 2.60, 0.00 >;
#declare B14 = <0.00, 3.00, 0.00 >;
#declare B21 = A24;
#declare B22 = <0.50, 1.60, 2.00 >;
#declare B23 = <1.50, 1.60, 2.00 >;
#declare B24 = <2.00, 1.80, 2.00 >;
#declare B31 = A34;
#declare B32 = <0.50, 0.00, 1.00 >;
#declare B33 = <1.50, 0.00, 1.00 >;
#declare B34 = <2.00, 0.00, 1.00 >;
#declare B41 = A44;
#declare B42 = <0.50,-0.60, 0.00 >;
#declare B43 = <1.50,-0.60, 0.00 >;
#declare B44 = <2.00,-0.80, 0.00 >;

#declare C11 = B14;
#declare C12 = <2.50, 2.00, 0.00 >;
#declare C13 = <3.00, 2.25, 0.00 >;
#declare C14 = <3.00, 2.50, 0.00 >;
#declare C21 = B24;
#declare C22 = <2.50, 2.00, 2.00 >;
#declare C23 = <3.00, 2.25, 2.00 >;
#declare C24 = <3.00, 2.50, 2.00 >;
#declare C31 = B34;
#declare C32 = <2.50, 0.00, 1.00 >;
#declare C33 = <3.00, 0.00, 1.00 >;
#declare C34 = <3.00, 0.00, 1.00 > + 0.0001*x;
#declare C41 = B44;
#declare C42 = <2.50,-1.00, 0.00 >;
#declare C43 = <3.00,-1.50, 0.00 >;
#declare C44 = <3.00,-2.00, 0.00 >;

#declare bz_scale = 0.30;
#include "bz-things.inc"

#declare parteA =
  union{
    bicubic_patch {
      type 0
      flatness 0.01
      u_steps 4
      v_steps 4
      A11, A12, A13, A14,
      A21, A22, A23, A24,
      A31, A32, A33, A34,
      A41, A42, A43, A44
    }
    object { bz_grid_A }
  }

#declare parteB =
  union{
    bicubic_patch {
      type 0
      flatness 0.01
      u_steps 4
      v_steps 4
      B11, B12, B13, B14,
      B21, B22, B23, B24,
      B31, B32, B33, B34,
      B41, B42, B43, B44
      texture { bz_tx_B }
    }
    object { bz_grid_B }
  }

#declare parteC =
  union{
    bicubic_patch {
      type 0
      flatness 0.01
      u_steps 4
      v_steps 4
      C11, C12, C13, C14,
      C21, C22, C23, C24,
      C31, C32, C33, C34,
      C41, C42, C43, C44
      texture { bz_tx_C }
    }
    object { bz_grid_C }
  }

#declare scene =
union{
  union {
    object { parteA 
      texture { bz_tx_A }
    }
    object { parteA
      texture { bz_tx_A }
      scale <-1, 1, 1>
    }
    object { parteA scale< 1,-1, 1> 
      texture { bz_tx_F }
    }
    object { parteA scale< -1,-1, 1> 
      texture { bz_tx_F }
    }
    translate -1.5*z
    translate 0.7*y
    rotate 180*y
  }
  // object{ bz_axes }
}

object{ bz_checker_bg }
object{ scene translate bz_rite_pos }
object{ scene rotate -90*y translate bz_left_pos }