#include "colors.inc"
#declare bz_name = ""
#declare bz_scale = 0.25;
#include "bz-things.inc"

// CAMERA

camera {
  location  <6, 6, 6 >
  right     -1.00*x                // Largura RELATIVA da imagem.
  up        0.75*y                 // Altura RELATIVA da imagem.
  sky       y                      // Qual direção é "para cima"?
  look_at   < -3, -3, 0 >  // Para onde a câmera está apontando.
}

light_source {
  //1 * < 10.0, 10.0, -10.0 >              // Posição da lâmpada.
  <100, 180, 100>
  color rgb 5 * < 1.00, 1.00, 1.00 >   // Intensidade e corda luz.
}


//----------------- PARTE A -----------------

#declare A11=<0,0,2.8>; #declare A12=<1,0,2.8>; //
#declare A13=<2,0,2.8>; #declare A14=<3,0,3.3>; // row 1

#declare A21=<0,-1,3>; #declare A22=<1,0.6>; //
#declare A23=<2,-1.2,3>; #declare A24=<3,0,3>; // row 2

#declare A31=<0,-1,0.4>; #declare A32=<1,-1.0,-0.4>; //
#declare A33=<2,-1.1,0.6>; #declare A34=<3,0,0.7>; // row 3

#declare A41=<0,0,1>; #declare A42=<1,0,1>; //
#declare A43=<2,0,0.3>; #declare A44=<3,0,0.8>; // row 4


//----------------- PARTE C -----------------

#declare C11=<0,0,3.4>; #declare C12=<1,0,3>; //
#declare C13=<2,0,2.8>; #declare C14=<3,0,2.8>; // row 1

#declare C21=<0,0,2.8>; #declare C22=<1,-1.1,2.8>; //
#declare C23=<2,-1,0.6>; #declare C24=<3,-1,2.5>; // row 2

#declare C31=<0,0,2>; #declare C32=<1,-1.0,2>; //
#declare C33=<2,-1,-0.4>; #declare C34=<3,-1,2>; // row 3

#declare C41=<0,0,2.4>; #declare C42=<1,0,1.5>; //
#declare C43=<2,0,1>; #declare C44=<3,0,1>; // row 4

//----------------- PARTE B -----------------

#declare B11=<0,0,2.8>; #declare B12=<1,0,2.8>; //
#declare B13=<2,0,2.8>; #declare B14=<3,0,3.3>; // row 1

#declare B21=<0,1.3,2.4>; #declare B22=<1,1.1,2.4>; //
#declare B23=<2,1.8,2.3>; #declare B24=<3,0.7,2.5>; // row 2

#declare B31=<0,0.3,0.4>; #declare B32=<1,0.3,0.4>; //
#declare B33=<2,1.1,0.6>; #declare B34=<3,0.9,0.7>; // row 3

#declare B41=<0,0,1>; #declare B42=<1,0,1>; //
#declare B43=<2,0,0.3>; #declare B44=<3,0,0.8>; // row 4

//----------------- PARTE D -----------------

#declare D11=<0,0,3.4>; #declare D12=<1,0,3>; //
#declare D13=<2,0,3>; #declare D14=<3,0,2.8>; // row 1

#declare D21=<0,0,2.8>; #declare D22=<1,1.1,2.8>; //
#declare D23=<2,1.1,2.4>; #declare D24=<3,0.9,2.4>; // row 2

#declare D31=<0,0,2>; #declare D32=<1,1.0,2>; //
#declare D33=<2,0.3,0.4>; #declare D34=<3,0.3,0.4>; // row 3

#declare D41=<0,0,2.4>; #declare D42=<1,0,1.5>; //
#declare D43=<2,0,1>; #declare D44=<3,0,1>; // row 4


bicubic_patch {
   type 1 flatness 0.001
   u_steps 4 v_steps 4
   uv_vectors
   <0,0> <1,0> <1,1> <0,1>
   A11, A12, A13, A14
   A21, A22, A23, A24
   A31, A32, A33, A34
   A41, A42, A43, A44
   uv_mapping
   texture { bz_tx_A }
   finish {phong 0.6 phong_size 20}
   
}

bicubic_patch {
   type 1 flatness 0.001
   u_steps 4 v_steps 4
   uv_vectors
   <0,0> <1,0> <1,1> <0,1>
   B11, B12, B13, B14
   B21, B22, B23, B24
   B31, B32, B33, B34
   B41, B42, B43, B44
   uv_mapping
   texture { bz_tx_B }
   finish {phong 0.6 phong_size 20}
   
}

bicubic_patch {
   type 1 flatness 0.001
   u_steps 4 v_steps 4
   uv_vectors
   <0,0> <1,0> <1,1> <0,1>
   C11, C12, C13, C14
   C21, C22, C23, C24
   C31, C32, C33, C34
   C41, C42, C43, C44
   uv_mapping
   texture { bz_tx_C }
   finish {phong 0.6 phong_size 20}
   
   translate <-3,0,0>
}

bicubic_patch {
   type 1 flatness 0.001
   u_steps 4 v_steps 4
   uv_vectors
   <0,0> <1,0> <1,1> <0,1>
   D11, D12, D13, D14
   D21, D22, D23, D24
   D31, D32, D33, D34
   D41, D42, D43, D44
   uv_mapping
   texture { bz_tx_D }
   finish {phong 0.6 phong_size 20}
   
   translate <-3,0,0>
}

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