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# Copyright (C) 2011, Dolf Veenvliet
# Extrude a selection from a mesh multiple times
# ***** BEGIN GPL LICENSE BLOCK *****
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software Foundation,
# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
#
# ***** END GPL LICENCE BLOCK *****
'''
bl_info = {
"name": "Select connected faces",
"author": "Dolf Veenvliet",
"version": (1,),
"blender": (2, 56, 0),
"location": "View3D > Select",
"description": "Select all faces connected to the current selection",
"warning": "",
"wiki_url": "",
"tracker_url": "",
"category": "Mesh"}
"""
Usage:
Launch from from "Select -> Connected faces"
Additional links:
Author Site: http://www.macouno.com
e-mail: dolf {at} macouno {dot} com
"""
'''
import bpy
from bpy.types import Operator
from bpy.props import (
IntProperty,
BoolProperty,
)
class Select_connected_faces():
# Initialize the class
def __init__(self, context, iterations, extend):
self.ob = context.active_object
bpy.ops.object.mode_set(mode='OBJECT')
# Make a list of all selected vertices
selVerts = [v.index for v in self.ob.data.vertices if v.select]
hasSelected = self.hasSelected(self.ob.data.polygons)
for i in range(iterations):
nextVerts = []
for f in self.ob.data.polygons:
if self.selectCheck(f.select, hasSelected, extend):
for v in f.vertices:
if v in selVerts:
f.select = True
if f.select:
for v in f.vertices:
if v not in selVerts:
nextVerts.append(v)
elif self.deselectCheck(f.select, hasSelected, extend):
for v in f.vertices:
if v in selVerts:
f.select = False
selVerts = nextVerts
bpy.ops.object.mode_set(mode='EDIT')
# See if the current item should be selected or not
def selectCheck(self, isSelected, hasSelected, extend):
# If the current item is not selected we may want to select
if not isSelected:
return True
return False
# See if the current item should be deselected or not
def deselectCheck(self, isSelected, hasSelected, extend):
# If the current item is selected we may want to deselect
if isSelected:
# If something is selected and we're not extending we want to deselect
if hasSelected and not extend:
return True
return False
# See if there is at least one selected item
def hasSelected(self, items):
for item in items:
if item.select:
return True
return False
class Select_init(Operator):
bl_idname = "mesh.select_connected_faces"
bl_label = "Select connected faces"
bl_description = ("Select all faces connected to the current selection \n"
"Works only in Face Selection mode")
bl_options = {'REGISTER', 'UNDO'}
# Iterations
iterations = IntProperty(
name="Iterations",
default=1,
min=0, max=300,
soft_min=0, soft_max=100
)
extend = BoolProperty(
name="Extend",
description="Extend the current selection",
default=False
)
@classmethod
def poll(cls, context):
obj = context.active_object
return (obj and obj.type == 'MESH' and
bpy.context.tool_settings.mesh_select_mode[0] is False and
bpy.context.tool_settings.mesh_select_mode[1] is False and
bpy.context.tool_settings.mesh_select_mode[2] is True)
def execute(self, context):
Select_connected_faces(context, self.iterations, self.extend)
return {'FINISHED'}
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