Merge pull request #53 from luketimothyjones/merge-vertices-after-mes…

…h-conversion

Add option to automate vertex merging (works with manual mesh conversion)

gui.py

@@ -185,6 +185,8 @@ class TreeGen(bpy.types.Operator):
     # Convert selected tree to mesh
     _scene.tree_gen_convert_to_mesh_input = _props.BoolProperty(name="Convert to Mesh After Generation", default=False,
                                                                 description="After generation, automatically convert the branches from a curve to a mesh")
+    _scene.tree_gen_merge_verts_by_distance = _props.BoolProperty(name="Merge Nearby Vertices", default=False,
+                                                                  description="After mesh conversion, merge nearby vertices together")
 
     # Create LODs
     _scene.tree_gen_create_lods_input = _props.BoolProperty(name="Create LODs After Generation", default=False,
@@ -693,6 +695,7 @@ def label_row(label, prop, checkbox=False, dropdown=False, container=None):
         box = layout.box()
         box.row()
         label_row('', 'tree_gen_convert_to_mesh_input', checkbox=True, container=box)
+        label_row('', 'tree_gen_merge_verts_by_distance', checkbox=True, container=box)
         box.row()
         box.operator(TreeGenConvertToMesh.bl_idname)
         box.row()

utilities.py

@@ -51,6 +51,9 @@ def update_log(msg):
 
         return update_log
 
+    def update_log(msg):
+        pass
+
     return lambda _: None
 
 
@@ -66,6 +69,9 @@ def convert_to_mesh(context):
     Converts tree branches from curve to mesh
     """
 
+    from . import parametric
+    update_log = parametric.gen.update_log
+
     try:
         tree = context.object
     except AttributeError:
@@ -108,6 +114,14 @@ def convert_to_mesh(context):
     new_branches.matrix_world = tree.matrix_world
     new_branches.parent = tree
 
+    if context.scene.tree_gen_merge_verts_by_distance:
+        update_log('Merging duplicate vertices; this will take a bit for complex trees.\n')
+
+        context.view_layer.objects.active = new_branches
+        bpy.ops.object.mode_set(mode='EDIT', toggle=True)
+        bpy.ops.mesh.select_all(action='SELECT')
+        bpy.ops.mesh.remove_doubles(threshold=0.0001)
+
 
 def generate_lods(context, level_count=3):
     from . import parametric