increase margin and remove doubles a little, close verts gave issues with convex hull

object_fracture_voroni/__init__.py

@@ -59,7 +59,10 @@ def main_object(scene, obj, level, **kw):
     use_island_split = kw_copy.pop("use_island_split")
 
     from . import fracture_cell_setup
-    
+
+    # not essential but selection is visual distraction.
+    obj.select = False
+
     if kw_copy["use_debug_redraw"]:
         obj_draw_type_prev = obj.draw_type
         obj.draw_type = 'WIRE'

object_fracture_voroni/fracture_cell_calc.py

@@ -22,7 +22,7 @@
 
 
 def points_as_bmesh_cells(verts, points,
-                          margin_bounds=0.01,
+                          margin_bounds=0.05,
                           margin_cell=0.0):
     import mathutils
     from mathutils import Vector

object_fracture_voroni/fracture_cell_setup.py

@@ -216,7 +216,7 @@ def cell_fracture_objects(scene, obj,
             bm_vert.tag = True
 
         import mathutils
-        bmesh.ops.remove_doubles(bm, verts=bm.verts, dist=0.0001)
+        bmesh.ops.remove_doubles(bm, verts=bm.verts, dist=0.005)
         try:
             bmesh.ops.convex_hull(bm, input=bm.verts)
         except RuntimeError:
@@ -352,7 +352,7 @@ def cell_fracture_boolean(scene, obj, objects,
             if use_debug_redraw:
                 _redraw_yasiamevil()
 
-    if use_island_split:
+    if apply and use_island_split:
         # this is ugly and Im not proud of this - campbell
         objects_islands = []
         for obj_cell in objects_boolean:
@@ -375,4 +375,6 @@ def cell_fracture_boolean(scene, obj, objects,
 
         objects_boolean = objects_islands
 
+    scene.update()
+
     return objects_boolean