ble arcade controller/arcade-box.scad

   1 // arcade controller thing
   2 // Copyright (c) 2017 Clinton Ebadi <clinton@unknownlamer.org>
   3 // GPLv3 or (at your option) any later version
   4 // .. insert license text here ...
   5
   6 // todo:
   7 // - hinge
   8 // - screw holes + captive nut to mount
   9 // - internal mount for mcu and battery
  10 // - hole for usb panel mount
  11 // - bevel lid
  12
  13 // maybe/wishlist:
  14 // - wire routing clips on panel?
  15 // - buttons on side for pinball?
  16 // - vent under mcu/battery?
  17 // - slant panel toward player?
  18
  19 // bugs:
  20 // - hinge is not aligned -- either male arm length or connector placement is wrong
  21
  22 use <obiscad/bcube.scad>
  23 use <obiscad/attach.scad>
  24 use <joints.scad>
  25
  26 // PREVIEW
  27 preview();
  28
  29 module preview () {
  30      rotate ([-10, 0, 0]) translate ([0, 0, box_depth+20]) panel ();
  31      case ();
  32      for (i = [2 ,4]) translate ([panel_width+hinge_joint_width*i, 0, 0]) hinge_male ();
  33
  34 }
  35
  36 // CONFIGURATION
  37
  38 panel_width = 250;
  39 panel_height = 130;
  40
  41 box_depth = 80;
  42 box_wall = 2;
  43 box_base_thickness = 5;
  44
  45 $button_d = 30; // I think this should be special
  46
  47 joystick_width = 85;
  48 joystick_height = 40;
  49
  50 // fixme: these are a bit confused
  51 hinge_joint_width = 8;
  52 hinge_joint_thickness = 5;
  53 hinge_box_base_thicknesseight = 10;
  54 hinge_joint_height = 10;
  55 hinge_arm_length = 50;
  56
  57
  58 // gunk that should be elsewhere...
  59 // bcube parameters, clean up
  60 cr = box_wall*2;
  61 cres = 0;
  62
  63 // PANEL COMPONENTS
  64
  65 module button (bezel = $button_d+4) {
  66      circle (d=$button_d);
  67      %circle(d=bezel);
  68 }
  69
  70 module joystick () {
  71      bolt_d = 8;
  72      center_hole_d = 24;
  73
  74      for (x = [-joystick_width/2, joystick_width/2], y = [-joystick_height/2, joystick_height/2]) {
  75           translate ([x, y, 0]) circle (d=bolt_d); // need slot instead
  76      }
  77      circle (d=center_hole_d);
  78      %square ([joystick_width, joystick_height], center=true); // not right...
  79 }
  80
  81
  82 // CASE
  83
  84 module case_base (h=box_base_thickness) {
  85      bcube([panel_width, panel_height, h], cr, cres);
  86 }
  87
  88 module case_walls () {
  89      difference () {
  90           union () {
  91                difference() {
  92                     bcube([panel_width, panel_height, box_depth-box_base_thickness], cr, cres);
  93                     bcube([panel_width-box_wall*2, panel_height-box_wall*2, box_depth+1], cr, cres);
  94                }
  95                attach (case_connector_wall (x=10), hinge_connector_back ()) hinge_female_base ();
  96           }
  97           attach (case_connector_wall (x=10), hinge_connector_back ()) hinge_female_cut ();
  98      }
  99      %connector (case_connector_wall (x=10));
 100 }
 101
 102 module case () {
 103      case_base ();
 104      translate ([0, 0, box_depth/2]) case_walls ();
 105 }
 106
 107
 108 // todo:
 109 //   specify which wall (rear, front, left, right). vector addition may help...
 110 //   offset from center of wall, as vector (and use vector subtraction!)
 111 //   optional: inside/outside
 112 function case_connector_wall (x=0, y=0, z=0) = [ [panel_width/2-x, panel_height/2-y, (box_depth-box_base_thickness)/2-z], [0,-1, 0], 0 ];
 113
 114 // HINGE
 115
 116 // hinge todo:
 117 //   calculate z offset so that hinge will align when closed
 118 //   calculate offset into panel surface for length of peg
 119 //   attach to case, calculating offset from wall as fixed value + width
 120
 121 // add connector for pin to socket so that can easily be test fit in
 122 // software instead of guessing
 123
 124 //   should panel connector be on its side? Limits motion to 90⁰ Or
 125 //   maybe just walls only + fillet with no base...
 126
 127 function hinge_connector_back (th=hinge_joint_thickness*2, h=hinge_box_base_thicknesseight) = [ [0, th/2, h/2], [0,1, 0], 0 ];
 128
 129 // todo:
 130 //   gusset support underneath
 131 //   split into base and negative so that a hole can be punched into case wall
 132
 133 module hinge_female_base () {
 134      w  = hinge_joint_width * 2;
 135      th = hinge_joint_thickness * 2;
 136
 137      %connector (hinge_connector_back ());
 138      cube ([w, th, hinge_box_base_thicknesseight], center=true);
 139 }
 140
 141 module hinge_female_cut () {
 142      w  = hinge_joint_width * 2;
 143      th = hinge_joint_thickness * 2;
 144
 145      // cruft from earlier hacking, remove...
 146      jt = hinge_joint_thickness;
 147      jw = hinge_joint_width;
 148
 149      joint_male_negative(male_joint_width=jw, male_joint_thickness=jt, forward_rom=90, backward_rom=90, male_joint_height=hinge_joint_height);
 150 }
 151
 152 module hinge_female () {
 153      difference () {
 154           hinge_female_base ();
 155           hinge_female_cut ();
 156      }
 157 }
 158
 159 module hinge_male () {
 160      for (i=[0,1])  mirror ([0, i, 0]) translate ([0, -hinge_arm_length/4, 0])
 161         joint_male(male_joint_width=hinge_joint_width, male_joint_thickness=hinge_joint_thickness, male_joint_height=hinge_arm_length/2, side=true);
 162
 163 }
 164
 165
 166 // hinge to panel...
 167 // mount hinge on panel arm_length back from edge
 168
 169 // fixme: wall thickness is not taken into account
 170
 171 // PANEL
 172
 173
 174 // cleanup after general case_connector_wall() is done
 175 panel_c = [ [panel_width/2-10, panel_height/2-hinge_arm_length, -box_base_thickness/2+0.01], [0,0, 1], 180 ];
 176
 177 module panel () {
 178      difference () {
 179           case_base ();
 180           linear_extrude (box_base_thickness*2,center=true) panel_layout ();
 181      }
 182      %connector (panel_c);
 183      attach (panel_c, hinge_connector_back ()) hinge_female ();
 184 }
 185
 186 module panel_attach (position, angle=0) {
 187      x = position[0];
 188      y = position[1];
 189      c1 =  [ [x, y, box_base_thickness/2], [0,0,1], angle ];
 190      a1 = [ [0,0, 0], [0,0,0], 0 ];
 191 //    %connector (c1); // fixme: don't use 2d for layout
 192      attach (c1, a1) children ();
 193 }
 194
 195 // panel layout inspired by the Neo Geo layout
 196 module panel_layout () {
 197      translate ([-panel_width/2 + 40, 0, 0]) {
 198           panel_attach ([0, 0], 90) joystick ();
 199
 200           // p1, coin (floating off in the distance...)
 201           translate ([140, 0, 0]) {
 202                $button_d=16;
 203                for (x = [0, $button_d+10]) {
 204                     panel_attach ([x, 42]) button ();
 205                }
 206           }
 207
 208           // a, b, c, d
 209           translate ([60, -20, 0]) {
 210                panel_attach ([0, 0]) button ();
 211                for (i = [ 1 : 3 ]) {
 212                     panel_attach ([i*($button_d+10)-10, $button_d]) button ();
 213                }
 214           }
 215      }
 216 }