// challenge-bot
// GNU AGPLv3 (or later at your option)
// project available at these locations:
// https://gitorious.org/ozzloy/challenge-bot
// https://github.com/waynegramlich/challenge-bot

// all measurements are in mm unless stated otherwise

  // metric version of deck:
deck_length = 250;
deck_width = deck_length;
deck_depth = 5;
deck_pitch = 10;
deck_grid_hole = 3;
deck_hole_type = "square";
deck_centered = true;

  /*
    // imperial version of deck
deck_length = 203.2; // 8 inches
deck_width = deck_length;
deck_depth = 25.4 * 3 / 16; // 3 / 16 of an inch
deck_pitch = 25.4; // 1 inch
deck_grid_hole = 6.35 / 2; // 1/4 inch diameter, 1/8 inch radius
deck_hole_type = "circle";
  */

module deck_2d(width, length, pitch, hole, hole_type, center=false){
  center_width_offset = center ? -(width / 2): 0;
  center_length_offset = center ? -(length / 2): 0;
  translate([center_width_offset, center_length_offset]){
    difference(){
      square([width, length]);
      for (y = [0:floor(length / pitch) - 1],
           x = [0:floor(width / pitch) - 1]){
        translate([pitch * (x + 0.5), pitch * (y + 0.5)]){
          if (hole_type == "circle"){
            circle(hole, center = true);}
          else if (hole_type == "square") {
            square(hole, center = true);}
          else {
            echo(str("don't know the hole type: ", hole_type));}}}}}}

module deck(width, length, depth, pitch, hole, hole_type, center=false){
  linear_extrude (height = depth){
    deck_2d(width, length, pitch, hole, hole_type, center);}}

deck_2d(deck_width,
        deck_length,
        deck_pitch,
        deck_grid_hole,
        deck_hole_type,
        center=deck_centered);