base sides generation separated

1 files changed, 15 insertions, 10 deletions

diff --git a/delta.jscad b/delta.jscad
index e6516f9..7dedfab 100644
--- a/delta.jscad
+++ b/delta.jscad
@@ -531,44 +531,49 @@ var E2020 = {
     [  e.T.width/2,e.outer/2-e.thickness-e.T.thickness],
     [  ix, iy ],
     [ -ix, iy ],
     [ -e.T.width/2,e.outer/2-e.thickness-e.T.thickness],
     [ -e.T.width/2,e.outer/2-e.thickness],
     [ -e.slot_width/2,e.outer/2-e.thickness],
     [ -e.slot_width/2,e.outer/2],
    ]).extrude({offset:[0,0,l+thickness]}).rotateZ(w);
   }));
   rv.properties.P = new CSG.Connector([0,0,0],[0,0,1],[1,0,0]);
   return rv;
  }
 };
 
 var THREEWINDS = [0,120,240];
 
+function base_sides() {
+ return [0,1].map(function(l) {
+  return THREEWINDS.map(function(w) {
+   var e = E2020.extrusion({l:CONFIG.base.el});
+   e = e.connectTo(e.properties.c_midway,
+    new CSG.Connector([0,-CD.base.mid_inscription_r,CONFIG.extrusion.w/2],[1,0,0],[0,0,1]),
+    false, 0);
+   return ( e.translate([0,0,CONFIG.foot.h+l*(CONFIG.extrusion.w+CONFIG.base.gap)])
+    .rotateZ(w)
+    .setColor(CONFIG.color.extrusion) );
+  });
+ });
+}
 function base_extrusions() {
- var rv = union( THREEWINDS.map(function(w) {
-  var e = E2020.extrusion({l:CONFIG.base.el});
-  e = e.connectTo(e.properties.c_midway,
-   new CSG.Connector([0,-CD.base.mid_inscription_r,CONFIG.extrusion.w/2],[1,0,0],[0,0,1]),
-   false, 0);
-  return union( [0,CONFIG.extrusion.w+CONFIG.base.gap].map(function(z) {
-   return e.translate([0,0,z]);
-  }) ).rotateZ(w);
- }) );
+ var rv = union( base_sides().map(function(x){return union(x)}) );
  rv.properties.P = new CSG.Connector([0,0,0],[0,0,1],[1,0,0]);
- return rv.setColor(CONFIG.color.extrusion);
+ return rv;
 }
 
 function column_extrusions() {
  var rv = union( THREEWINDS.map(function(w) {
   return E2020.extrusion({l:CONFIG.column.h}).translate([0,CD.base.column_r,0]).rotateZ(w);
  }) );
  rv.properties.P = new CSG.Connector([0,0,0],[0,0,1],[1,0,0]);
  return rv.setColor(CONFIG.color.extrusion);
 }
 
 function duet() {
  var C = CONFIG.duet;
  var pholes = new CSG.Properties();
  var hx = C.hole_spacing.x/2;
  var hy = C.hole_spacing.y/2;
  var hh = { nw: [1,-1], ne: [1,1], se: [-1,1], sw: [-1,-1] };