Newer
Older
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
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
'''# ##### 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 #####
bl_info = {
"name": "HoneyComb",
"author": "Kayo Phoenix <kayo@illumium.org>",
"version": (0, 1),
"blender": (2, 5, 7),
"api": 35853,
"location": "View3D > Add > Mesh > HoneyComb",
"description": "Adds HoneyComb Mesh",
"warning": "",
"wiki_url": "http://wiki.blender.org/index.php/Extensions:2.5/Py/Scripts/Add_Mesh/HoneyComb",
"category": "Add Mesh"
}
'''
from math import pi, sin, cos
class honeycomb_geometry():
def __init__(self, rows, cols, D, E):
self.rows = rows
self.cols = cols
self.D = D
self.E = E
self.hE = 0.5 * self.E
self.R = 0.5 * self.D
self.a = sin(pi / 3)
self.d = self.a * self.D
self.hd = 0.5 * self.d
self.e = self.hE / self.a
self.he = 0.5 * self.e
self.r = self.R - self.e
self.hr = 0.5 * self.r
self.H = self.R * (1.5 * self.rows + 0.5) + self.e
if self.rows > 1:
self.W = self.d * (self.cols + 0.5) + self.E
else:
self.W = self.d * self.cols + self.E
self.hH = 0.5 * self.H
self.hW = 0.5 * self.W
self.sy = -self.hH + self.he + self.R
self.sx = -self.hW + self.hE + self.hd
self.gx = self.hd
self.dy = 1.5 * self.R
self.dx = self.d
def vert(self, row, col):
# full cell
if row >= 0 and row < self.rows and col >= 0 and col < self.cols: return [0, 1, 2, 3, 4, 5]
# right down corner
if row == -1 and col == self.cols - 1: return [1, 2]
if row == 0 and self.rows > 1 and col == self.cols: return [1, 2, 3]
# left down corner
if row == -1 and col == -1: return [0, 1]
if self.rows % 2:
# left up corner
if row == self.rows and col == -1: return [4, 5]
# right up corner
if row == self.rows and col == self.cols - 1: return [3, 4]
if row == self.rows - 1 and self.rows > 1 and col == self.cols: return [2, 3, 4]
else:
# left up corner
if row == self.rows and col == 0: return [4, 5]
if row == self.rows - 1 and self.rows > 1 and col == -1: return [0, 4, 5]
# right up corner
if row == self.rows and col == self.cols: return [3, 4]
# horizontal lines
if col >= 0 and col < self.cols:
if row == -1: return [0, 1, 2]
if row == self.rows: return [3, 4, 5]
# vertical lines
if row >= 0 and row < self.rows:
if col == -1:
if row % 2: return [0, 1, 4, 5]
else: return [0, 5]
if col == self.cols:
if row % 2 or self.rows == 1: return [2, 3]
else: return [1, 2, 3, 4]
return []
def cell(self, row, col, idx):
cp = [self.sx + self.dx * col, self.sy + self.dy * row, 0] # central point
if row % 2: cp[0] += self.gx
co = [] # vertexes coords
vi = self.vert(row, col)
ap = {}
for i in vi:
a = pi / 6 + i * pi / 3 # angle
ap[i] = idx + len(co)
co.append((cp[0] + cos(a) * self.r, cp[1] + sin(a) * self.r, cp[2]))
return co, ap
def generate(self):
ar = 1
ac = 1
cells = []
verts = []
faces = []
for row in range(-ar, self.rows + ar):
level = []
for col in range(-ac, self.cols + ac):
co, ap = self.cell(row, col, len(verts))
verts += co
level.append(ap)
cells.append(level)
# bottom row
row = 0
for col in range(1, len(cells[row]) - 1):
s = cells[row][col]
l = cells[row][col - 1]
u = cells[row + 1][col]
faces.append((s[1], u[5], u[4], s[2]))
faces.append((s[2], u[4], l[0]))
# top row
row = len(cells) - 1
cs = 0
if row % 2: cs += 1
for col in range(1 + cs, len(cells[row]) - 1):
s = cells[row][col]
l = cells[row][col - 1]
d = cells[row - 1][col - cs]
faces.append((s[3], l[5], d[1]))
faces.append([s[3], d[1], d[0], s[4]])
# middle rows
for row in range(1, len(cells) - 1):
cs = 0
if row % 2: cs += 1
for col in range(1, len(cells[row]) - 1):
s = cells[row][col]
l = cells[row][col - 1]
u = cells[row + 1][col - cs]
d = cells[row - 1][col - cs]
faces.append((s[1], u[5], u[4], s[2]))
faces.append((s[2], u[4], l[0]))
faces.append([s[2], l[0], l[5], s[3]])
faces.append((s[3], l[5], d[1]))
faces.append([s[3], d[1], d[0], s[4]])
# right column
row = 0
col = len(cells[row]) - 1
for row in range(1, len(cells) - 1):
cs = 0
if row % 2: cs += 1
s = cells[row][col]
l = cells[row][col - 1]
u = cells[row + 1][col - cs]
d = cells[row - 1][col - cs]
if row % 2 and row < len(cells) - 2:
faces.append((s[1], u[5], u[4], s[2]))
faces.append((s[2], u[4], l[0]))
faces.append([s[2], l[0], l[5], s[3]])
faces.append((s[3], l[5], d[1]))
if row % 2 and row > 1:
faces.append([s[3], d[1], d[0], s[4]])
# final fix
if not self.rows % 2:
row = len(cells) - 1
s = cells[row][col]
l = cells[row][col - 1]
d = cells[row - 1][col - 1]
faces.append((s[3], l[5], d[1]))
faces.append([s[3], d[1], d[0], s[4]])
return verts, faces
import bpy
from bpy.props import *
from bpy_extras import object_utils
def edge_max(diam):
return diam * sin(pi / 3)
class add_mesh_honeycomb(bpy.types.Operator):
'''Simple honeycomb mesh generator'''
bl_idname = 'mesh.honeycomb_add'
bl_label = 'Add HoneyComb'
bl_options = {'REGISTER', 'UNDO'}
rows = IntProperty(
name = 'Num of rows', default = 2,
min = 1, max = 100,
description='Number of the rows')
cols = IntProperty(
name = 'Num of cols', default = 2,
min = 1, max = 100,
description='Number of the columns')
def fix_edge(self, context):
m = edge_max(self.diam)
if self.edge > m: self.edge = m
diam = FloatProperty(
name = 'Cell Diameter', default = 1.0,
min = 0.0, update = fix_edge,
description='Diameter of the cell')
edge = FloatProperty(
name = 'Edge Width', default = 0.1,
min = 0.0, update = fix_edge,
description='Width of the edge')
# generic transform props
view_align = BoolProperty(
name="Align to View",
default=False)
location = FloatVectorProperty(
name="Location",
subtype='TRANSLATION')
rotation = FloatVectorProperty(
name="Rotation",
subtype='EULER')
##### POLL #####
@classmethod
def poll(cls, context):
return context.scene is not None
##### EXECUTE #####
def execute(self, context):
mesh = bpy.data.meshes.new(name='honeycomb')
comb = honeycomb_geometry(self.rows, self.cols, self.diam, self.edge)
verts, faces = comb.generate()
mesh.from_pydata(vertices = verts, edges = [], faces = faces)
mesh.update()
object_utils.object_data_add(context, mesh, operator=self)
return {'FINISHED'}
'''
def menu_func(self, context):
self.layout.operator(add_mesh_honeycomb.bl_idname, text = bl_info['name'], icon="PLUGIN")
def register():
bpy.utils.register_module(__name__)
bpy.types.INFO_MT_mesh_add.append(menu_func)
def unregister():
bpy.utils.unregister_module(__name__)
bpy.types.INFO_MT_mesh_add.remove(menu_func)
if __name__ == "__main__":
register()
'''