wip - add matrix transformations

rack/connector/basePlateYBarConnectors.scad

@@ -0,0 +1,68 @@
+include <../../helper/screws.scad>
+include <../../helper/common.scad>
+include <../../helper/matrix.scad>
+include <../../helper/slack.scad>
+include <../../helper/dovetail.scad>
+include <../../helper/halfspace.scad>
+
+include <../sharedVariables.scad>
+
+include <../config.scad>
+
+_mountX = 12;
+_mountY = 14;
+_mountZ = 10;
+
+// Needed for yBar to align this connector to its inner Y edge
+yBarBasePlateConnectorWidth = _mountX;
+
+// x and y faces of the yBarBasePlateMount_P block
+_innerXFaceToScrew = 6;
+_innerYFaceToScrew = 8;
+
+_baseConnRecession = 3;
+_baseConnY = 8;
+_baseConnOuterXFaceToScrew = 2;
+
+_heatSetX = _mountX - _innerXFaceToScrew;
+_heatSetY = _mountY - _innerYFaceToScrew;
+
+// TODO refactor this entire file
+basePlateScrewMountToYBarXZFace = _heatSetY + joinCornerDepth; // Distance to the nearest YBar XZ face
+basePlateScrewMountToYBarYZFace =  (yBarWidth+_heatSetX) - yBarBasePlateConnectorWidth;
+
+module onYBarBasePlateConnectorPositive() {
+  translate(v=[0,0,yBarWallThickness])
+  intersection() {
+    cube(size = [_mountX, _mountY, _mountZ]);
+    halfspace(vpos=[0, -1, -1], p=[0, _mountY-1, _mountZ-1]);
+  }
+}
+
+module onYBarBasePlateConnectorNegative() {
+
+  translate(v=[_heatSetX, _heatSetY, m3HeatSetInsertSlotHeightSlacked + _baseConnRecession])
+  mirror(v=[0,0,1])
+  heatSetInsertSlot_N(rackFrameScrewType, topExtension=inf10);
+
+  hull() {
+    translate(v = [_heatSetX, _heatSetY, _baseConnRecession+overhangSlack])
+    roundCutSlice(radius = heatSetInsertSlotRadiusSlacked(rackFrameScrewType)+radiusXYSlack);
+
+    translate(v = [_heatSetX, _heatSetY, 0])
+    roundCutSlice(radius = _baseConnY/2 + radiusXYSlack);
+  }
+
+
+
+  module roundCutSlice(radius, length=inf50) {
+
+    hull() {
+      cylinder(r = radius, h = eps);
+
+      translate(v = [length, -radius, 0])
+      cube(size = [eps, radius*2, eps]);
+    }
+  }
+
+}