Fix edge connector + ClickGroove

Fixes #35

Author: yawkat

README.md

@@ -135,6 +135,9 @@ This connector is a good alternative to the intersection puzzle if the plate has
 <!-- openscad -o docs/images/edge-puzzle.png --camera=0,30,0,40,0,25,300 -D plate_size='[420, 420]' -D connector_intersection_puzzle=false -D connector_edge_puzzle=true -D magnets=true -->
 <img src="docs/images/edge-puzzle.png" alt="Edge puzzle" />
 
+<!-- regression tests: -->
+<!-- openscad -o docs/images/edge-puzzle-clickgroove.png --camera=0,0,0,10,0,10,400 -D plate_size='[168, 168]' -D bed_size='[100,100]' -D connector_intersection_puzzle=false -D connector_edge_puzzle=true -D click=true -D click_style=1 -->
+
 #### Connector Height
 
 The edge puzzle connector height can be configured using the `edge_puzzle_height_female` property. The male connector is smaller than this option by `edge_puzzle_height_male_delta`.

docs/images/edge-puzzle-clickgroove.png

@@ -294,7 +294,7 @@ module cell(unit_size=[1, 1], connector=[false, false, false, false], bottom_cha
     size = [BASEPLATE_DIMENSIONS.x*unit_size.x, BASEPLATE_DIMENSIONS.y*unit_size.y];
     difference() {
         union() {
-            enable_clickgroove = function(direction) bottom_chamfer_takes[direction] < clickgroove_wall_strength;
+            enable_clickgroove = function(direction) positive && bottom_chamfer_takes[direction] < clickgroove_wall_strength && !(connector_edge_puzzle && connector[direction] && (direction == _SOUTH || direction == _WEST));
 
             difference() {
                 translate([-size.x/2, -size.y/2, -_extra_height]) cube([size.x, size.y, _total_height]);