1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
|
# ##### 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 LICENSE BLOCK #####
# <pep8 compliant>
bl_info = {
"name": "Vertex Chamfer",
"author": "Andrew Hale (TrumanBlending)",
"version": (0, 1),
"blender": (2, 63, 0),
"location": "Spacebar Menu",
"description": "Chamfer vertex",
"wiki_url": "",
"category": "Mesh"}
import bpy
import bmesh
from bpy.types import Operator
from bpy.props import (
BoolProperty,
FloatProperty,
)
class VertexChamfer(Operator):
bl_idname = "mesh.vertex_chamfer"
bl_label = "Chamfer Vertex"
bl_description = "Tri chamfer selected vertices"
bl_options = {'REGISTER', 'UNDO'}
factor: FloatProperty(
name="Factor",
description="Size of the Champfer",
default=0.1,
min=0.0,
soft_max=1.0
)
relative: BoolProperty(
name="Relative",
description="If Relative, Champfer size is relative to the edge length",
default=True
)
dissolve: BoolProperty(
name="Remove",
description="Remove/keep the original selected vertices\n"
"Remove creates a new triangle face between the Champfer edges,\n"
"similar to the Dissolve Vertices operator",
default=True
)
displace: FloatProperty(
name="Displace",
description="Active only if Remove option is disabled\n"
"Displaces the original selected vertices along the normals\n"
"defined by the Champfer edges",
soft_min=-5.0,
soft_max=5.0
)
@classmethod
def poll(self, context):
return (context.active_object.type == 'MESH' and
context.mode == 'EDIT_MESH')
def draw(self, context):
layout = self.layout
layout.prop(self, "factor", text="Distance" if self.relative else "Factor")
sub = layout.row()
sub.prop(self, "relative")
sub.prop(self, "dissolve")
if not self.dissolve:
layout.prop(self, "displace")
def execute(self, context):
ob = context.active_object
me = ob.data
bm = bmesh.from_edit_mesh(me)
bm.select_flush(True)
fac = self.factor
rel = self.relative
dissolve = self.dissolve
displace = self.displace
for v in bm.verts:
v.tag = False
# Loop over edges to find those with both verts selected
for e in bm.edges[:]:
e.tag = e.select
if not e.select:
continue
elen = e.calc_length()
val = fac if rel else fac / elen
val = min(val, 0.5)
# Loop over the verts of the edge to split
for v in e.verts:
# if val == 0.5 and e.other_vert(v).tag:
# continue
en, vn = bmesh.utils.edge_split(e, v, val)
en.tag = vn.tag = True
val = 1.0 if val == 1.0 else val / (1.0 - val)
# Get all verts which are selected but not created previously
verts = [v for v in bm.verts if v.select and not v.tag]
# Loop over all verts to split their linked edges
for v in verts:
for e in v.link_edges[:]:
if e.tag:
continue
elen = e.calc_length()
val = fac if rel else fac / elen
bmesh.utils.edge_split(e, v, val)
# Loop over all the loops of the vert
for l in v.link_loops:
# Split the face
bmesh.utils.face_split(
l.face,
l.link_loop_next.vert,
l.link_loop_prev.vert
)
# Remove the vert or displace otherwise
if dissolve:
bmesh.utils.vert_dissolve(v)
else:
v.co += displace * v.normal
me.calc_loop_triangles()
bpy.ops.object.mode_set(mode='OBJECT')
bpy.ops.object.mode_set(mode='EDIT')
return {'FINISHED'}
def register():
bpy.utils.register_class(VertexChamfer)
def unregister():
bpy.utils.unregister_class(VertexChamfer)
if __name__ == "__main__":
register()
|
