arcade-panel: more hinge stuff, misc fixes

* attach hinge to panel
* cut rear of panel out behind hinge connector for full 180⁰ of motion
* generate male joint
* move p1/coin buttons to avoid interfernce with hinge
* increase height of panel slightly

diff --git a/ble arcade controller/arcade-box.scad b/ble arcade controller/arcade-box.scad
index fe32dff..2c7c8b5 100644 (file)
--- a/ble arcade controller/arcade-box.scad
+++ b/ble arcade controller/arcade-box.scad
@@ -3,40 +3,63 @@
 // GPLv3 or (at your option) any later version
 // .. insert license text here ...
 
+// todo:
+// - hinge
+// - screw holes + captive nut to mount
+// - internal mount for mcu and battery
+// - hole for usb panel mount
+// - bevel lid
+
+// maybe/wishlist:
+// - wire routing clips on panel?
+// - buttons on side for pinball?
+// - vent under mcu/battery?
+// - slant panel toward player?
+
+// bugs:
+// - hinge is not aligned -- either male arm length or connector placement is wrong
+
 use <obiscad/bcube.scad>
 use <obiscad/attach.scad>
 use <joints.scad>
 
-
-
 // PREVIEW
 preview();
+
 module preview () {
      rotate ([-10, 0, 0]) translate ([0, 0, box_h+20]) panel ();
      case ();
-}
+     for (i = [2 ,4]) translate ([panel_w+hinge_joint_width*i, 0, 0]) hinge_male ();
 
+}
 
 // CONFIGURATION
 
 panel_w = 250;
-panel_h = 120;
+panel_h = 130;
 
 box_h = 80; // fixme: box_d.
 box_wall = 2;
 base_h = 5; //fixme: thickness?
 
-// bcube parameters, clean up
-cr = box_wall*2;
-cres = 0;
+$button_d = 30; // I think this should be special
 
-$button_d = 30;
+// fixme: names (js -> joystick)
 js_width = 85;
 js_height = 40;
 
+// fixme: these are a bit confused
 hinge_joint_width = 4;
 hinge_joint_thickness = 5;
 hinge_base_height = 10;
+hinge_joint_height = 10;
+hinge_arm_length = 50;
+
+
+// gunk that should be elsewhere...
+// bcube parameters, clean up
+cr = box_wall*2;
+cres = 0;
 
 // PANEL COMPONENTS
 
@@ -45,7 +68,6 @@ module button (bezel = $button_d+4) {
      %circle(d=bezel);
 }
 
-
 module joystick () {
      bolt_d = 8;
      center_hole_d = 24;
@@ -54,7 +76,6 @@ module joystick () {
          translate ([x, y, 0]) circle (d=bolt_d); // need slot instead
      }
      circle (d=center_hole_d);
-
      %square ([js_width, js_height], center=true); // not right...
 }
 
@@ -66,12 +87,17 @@ module case_base (h=base_h) {
 }
 
 module case_walls () {
-     difference() {
-         bcube([panel_w, panel_h, box_h-base_h], cr, cres);
-         bcube([panel_w-box_wall, panel_h-box_wall, box_h+1], cr, cres);
+     difference () {
+         union () {
+              difference() {
+                   bcube([panel_w, panel_h, box_h-base_h], cr, cres);
+                   bcube([panel_w-box_wall*2, panel_h-box_wall*2, box_h+1], cr, cres);
+              }
+              attach (case_connector_wall (x=10), hinge_connector_back ()) hinge_female_base ();
+         }
+         attach (case_connector_wall (x=10), hinge_connector_back ()) hinge_female_cut ();
      }
      %connector (case_connector_wall (x=10));
-     attach (case_connector_wall (x=10), hinge_connector_back ()) hinge_female ();
 }
 
 module case () {
@@ -81,38 +107,81 @@ module case () {
 
 
 // todo:
-//   specify which wall (rear, front, left, right).
-//   offset from center of wall, as vector
+//   specify which wall (rear, front, left, right). vector addition may help...
+//   offset from center of wall, as vector (and use vector subtraction!)
 //   optional: inside/outside
 function case_connector_wall (x=0, y=0, z=0) = [ [panel_w/2-x, panel_h/2-y, (box_h-base_h)/2-z], [0,-1, 0], 0 ];
 
 // HINGE
 
+// hinge todo:
+//   calculate z offset so that hinge will align when closed
+//   calculate offset into panel surface for length of peg
+//   attach to case, calculating offset from wall as fixed value + width
+
+// add connector for pin to socket so that can easily be test fit in
+// software instead of guessing
+
+//   should panel connector be on its side? Limits motion to 90⁰ Or
+//   maybe just walls only + fillet with no base...
+
 function hinge_connector_back (th=hinge_joint_thickness*2, h=hinge_base_height) = [ [0, th/2, h/2], [0,1, 0], 0 ];
 
-module hinge_female () {
+// todo:
+//   gusset support underneath
+//   split into base and negative so that a hole can be punched into case wall
+
+module hinge_female_base () {
+     w  = hinge_joint_width * 2;
+     th = hinge_joint_thickness * 2;
+
+     %connector (hinge_connector_back ());
+     cube ([w, th, hinge_base_height], center=true);
+}
+
+module hinge_female_cut () {
      w  = hinge_joint_width * 2;
      th = hinge_joint_thickness * 2;
+
+     // cruft from earlier hacking, remove...
      jt = hinge_joint_thickness;
      jw = hinge_joint_width;
-     h  = hinge_base_height;
 
-     %connector (hinge_connector_back ());
+     joint_male_negative(male_joint_width=jw, male_joint_thickness=jt, forward_rom=90, backward_rom=90, male_joint_height=hinge_joint_height);
+}
 
+module hinge_female () {
      difference () {
-         cube ([w, th, h], center=true);
-         joint_male_negative(male_joint_width=jw, male_joint_thickness=jt, forward_rom=90, backward_rom=90, male_joint_height=10);
+         hinge_female_base ();
+         hinge_female_cut ();
      }
 }
 
+module hinge_male () {
+     for (i=[0,1])  mirror ([0, i, 0]) translate ([0, -hinge_arm_length/4, 0])
+       joint_male(male_joint_width=hinge_joint_width, male_joint_thickness=hinge_joint_thickness, male_joint_height=hinge_arm_length/2, side=true);
+
+}
+
+
+// hinge to panel...
+// mount hinge on panel arm_length back from edge
+
+// fixme: wall thickness is not taken into account
 
 // PANEL
 
+
+// cleanup after general case_connector_wall() is done
+panel_c = [ [panel_w/2-10, panel_h/2-hinge_arm_length, -base_h/2+0.01], [0,0, 1], 180 ];
+
 module panel () {
      difference () {
          case_base ();
          linear_extrude (base_h*2,center=true) panel_layout ();
      }
+     %connector (panel_c);
+     attach (panel_c, hinge_connector_back ()) hinge_female ();
 }
 
 module panel_attach (position, angle=0) {
@@ -130,7 +199,7 @@ module panel_layout () {
          panel_attach ([0, 0], 90) joystick ();
 
          // p1, coin (floating off in the distance...)
-         translate ([160, 0, 0]) {
+         translate ([140, 0, 0]) {
               $button_d=16;
               for (x = [0, $button_d+10]) {
                    panel_attach ([x, 42]) button ();