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
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
|
# GPL # (c) 2009, 2010 Michel J. Anders (varkenvarken)
import bpy
from bpy.types import Operator
from math import (
atan, asin, cos,
sin, tan, pi,
radians,
)
from bpy.props import (
FloatProperty,
IntProperty,
)
# Create a new mesh (object) from verts/edges/faces.
# verts/edges/faces ... List of vertices/edges/faces for the
# new mesh (as used in from_pydata)
# name ... Name of the new mesh (& object)
def create_mesh_object(context, verts, edges, faces, name):
# Create new mesh
mesh = bpy.data.meshes.new(name)
# Make a mesh from a list of verts/edges/faces.
mesh.from_pydata(verts, edges, faces)
# Update mesh geometry after adding stuff.
mesh.update()
from bpy_extras import object_utils
return object_utils.object_data_add(context, mesh, operator=None)
# A very simple "bridge" tool.
# Connects two equally long vertex rows with faces.
# Returns a list of the new faces (list of lists)
#
# vertIdx1 ... First vertex list (list of vertex indices)
# vertIdx2 ... Second vertex list (list of vertex indices)
# closed ... Creates a loop (first & last are closed)
# flipped ... Invert the normal of the face(s)
#
# Note: You can set vertIdx1 to a single vertex index to create
# a fan/star of faces
# Note: If both vertex idx list are the same length they have
# to have at least 2 vertices
def createFaces(vertIdx1, vertIdx2, closed=False, flipped=False):
faces = []
if not vertIdx1 or not vertIdx2:
return None
if len(vertIdx1) < 2 and len(vertIdx2) < 2:
return None
fan = False
if (len(vertIdx1) != len(vertIdx2)):
if (len(vertIdx1) == 1 and len(vertIdx2) > 1):
fan = True
else:
return None
total = len(vertIdx2)
if closed:
# Bridge the start with the end.
if flipped:
face = [
vertIdx1[0],
vertIdx2[0],
vertIdx2[total - 1]]
if not fan:
face.append(vertIdx1[total - 1])
faces.append(face)
else:
face = [vertIdx2[0], vertIdx1[0]]
if not fan:
face.append(vertIdx1[total - 1])
face.append(vertIdx2[total - 1])
faces.append(face)
# Bridge the rest of the faces.
for num in range(total - 1):
if flipped:
if fan:
face = [vertIdx2[num], vertIdx1[0], vertIdx2[num + 1]]
else:
face = [vertIdx2[num], vertIdx1[num],
vertIdx1[num + 1], vertIdx2[num + 1]]
faces.append(face)
else:
if fan:
face = [vertIdx1[0], vertIdx2[num], vertIdx2[num + 1]]
else:
face = [vertIdx1[num], vertIdx2[num],
vertIdx2[num + 1], vertIdx1[num + 1]]
faces.append(face)
return faces
# Calculate the vertex coordinates for a single
# section of a gear tooth.
# Returns 4 lists of vertex coords (list of tuples):
# *-*---*---* (1.) verts_inner_base
# | | | |
# *-*---*---* (2.) verts_outer_base
# | | |
# *---*---* (3.) verts_middle_tooth
# \ | /
# *-*-* (4.) verts_tip_tooth
#
# a
# t
# d
# radius
# Ad
# De
# base
# p_angle
# rack
# crown
def add_tooth(a, t, d, radius, Ad, De, base, p_angle, rack=0, crown=0.0):
A = [a, a + t / 4, a + t / 2, a + 3 * t / 4]
C = [cos(i) for i in A]
S = [sin(i) for i in A]
Ra = radius + Ad
Rd = radius - De
Rb = Rd - base
# Pressure angle calc
O = Ad * tan(p_angle)
p_angle = atan(O / Ra)
if radius < 0:
p_angle = -p_angle
if rack:
S = [sin(t / 4) * I for I in range(-2, 3)]
Sp = [0, sin(-t / 4 + p_angle), 0, sin(t / 4 - p_angle)]
verts_inner_base = [(Rb, radius * S[I], d) for I in range(4)]
verts_outer_base = [(Rd, radius * S[I], d) for I in range(4)]
verts_middle_tooth = [(radius, radius * S[I], d) for I in range(1, 4)]
verts_tip_tooth = [(Ra, radius * Sp[I], d) for I in range(1, 4)]
else:
Cp = [
0,
cos(a + t / 4 + p_angle),
cos(a + t / 2),
cos(a + 3 * t / 4 - p_angle)]
Sp = [0,
sin(a + t / 4 + p_angle),
sin(a + t / 2),
sin(a + 3 * t / 4 - p_angle)]
verts_inner_base = [(Rb * C[I], Rb * S[I], d)
for I in range(4)]
verts_outer_base = [(Rd * C[I], Rd * S[I], d)
for I in range(4)]
verts_middle_tooth = [(radius * C[I], radius * S[I], d + crown / 3)
for I in range(1, 4)]
verts_tip_tooth = [(Ra * Cp[I], Ra * Sp[I], d + crown)
for I in range(1, 4)]
return (verts_inner_base, verts_outer_base,
verts_middle_tooth, verts_tip_tooth)
# EXPERIMENTAL Calculate the vertex coordinates for a single
# section of a gearspoke.
# Returns them as a list of tuples
#
# a
# t
# d
# radius
# De
# base
# s
# w
# l
# gap
# width
#
# @todo Finish this.
def add_spoke(a, t, d, radius, De, base, s, w, l, gap=0, width=19):
Rd = radius - De
Rb = Rd - base
verts = []
edgefaces = []
edgefaces2 = []
sf = []
if not gap:
for N in range(width, 1, -2):
edgefaces.append(len(verts))
ts = t / 4
tm = a + 2 * ts
te = asin(w / Rb)
td = te - ts
t4 = ts + td * (width - N) / (width - 3.0)
A = [tm + (i - int(N / 2)) * t4 for i in range(N)]
C = [cos(i) for i in A]
S = [sin(i) for i in A]
verts.extend((Rb * I, Rb * J, d) for (I, J) in zip(C, S))
edgefaces2.append(len(verts) - 1)
Rb = Rb - s
n = 0
for N in range(width, 3, -2):
sf.extend([(i + n, i + 1 + n, i + 2 + n, i + N + n)
for i in range(0, N - 1, 2)])
sf.extend([(i + 2 + n, i + N + n, i + N + 1 + n, i + N + 2 + n)
for i in range(0, N - 3, 2)])
n = n + N
return verts, edgefaces, edgefaces2, sf
# Create gear geometry.
# Returns:
# * A list of vertices (list of tuples)
# * A list of faces (list of lists)
# * A list (group) of vertices of the tip (list of vertex indices)
# * A list (group) of vertices of the valley (list of vertex indices)
#
# teethNum ... Number of teeth on the gear
# radius ... Radius of the gear, negative for crown gear
# Ad ... Addendum, extent of tooth above radius
# De ... Dedendum, extent of tooth below radius
# base ... Base, extent of gear below radius
# p_angle ... Pressure angle. Skewness of tooth tip. (radiant)
# width ... Width, thickness of gear
# skew ... Skew of teeth. (radiant)
# conangle ... Conical angle of gear. (radiant)
# rack
# crown ... Inward pointing extend of crown teeth
#
# inner radius = radius - (De + base)
def add_gear(teethNum, radius, Ad, De, base, p_angle,
width=1, skew=0, conangle=0, rack=0, crown=0.0):
if teethNum < 2:
return None, None, None, None
t = 2 * pi / teethNum
if rack:
teethNum = 1
print(radius, width, conangle)
scale = (radius - 2 * width * tan(conangle)) / radius
verts = []
faces = []
vgroup_top = [] # Vertex group of top/tip? vertices.
vgroup_valley = [] # Vertex group of valley vertices
verts_bridge_prev = []
for toothCnt in range(teethNum):
a = toothCnt * t
verts_bridge_start = []
verts_bridge_end = []
verts_outside_top = []
verts_outside_bottom = []
for (s, d, c, top) \
in [(0, -width, 1, True), (skew, width, scale, False)]:
verts1, verts2, verts3, verts4 = add_tooth(a + s, t, d,
radius * c, Ad * c, De * c, base * c, p_angle,
rack, crown)
vertsIdx1 = list(range(len(verts), len(verts) + len(verts1)))
verts.extend(verts1)
vertsIdx2 = list(range(len(verts), len(verts) + len(verts2)))
verts.extend(verts2)
vertsIdx3 = list(range(len(verts), len(verts) + len(verts3)))
verts.extend(verts3)
vertsIdx4 = list(range(len(verts), len(verts) + len(verts4)))
verts.extend(verts4)
verts_outside = []
verts_outside.extend(vertsIdx2[:2])
verts_outside.append(vertsIdx3[0])
verts_outside.extend(vertsIdx4)
verts_outside.append(vertsIdx3[-1])
verts_outside.append(vertsIdx2[-1])
if top:
# verts_inside_top = vertsIdx1
verts_outside_top = verts_outside
verts_bridge_start.append(vertsIdx1[0])
verts_bridge_start.append(vertsIdx2[0])
verts_bridge_end.append(vertsIdx1[-1])
verts_bridge_end.append(vertsIdx2[-1])
else:
# verts_inside_bottom = vertsIdx1
verts_outside_bottom = verts_outside
verts_bridge_start.append(vertsIdx2[0])
verts_bridge_start.append(vertsIdx1[0])
verts_bridge_end.append(vertsIdx2[-1])
verts_bridge_end.append(vertsIdx1[-1])
# Valley = first 2 vertices of outer base:
vgroup_valley.extend(vertsIdx2[:1])
# Top/tip vertices:
vgroup_top.extend(vertsIdx4)
faces_tooth_middle_top = createFaces(vertsIdx2[1:], vertsIdx3,
flipped=top)
faces_tooth_outer_top = createFaces(vertsIdx3, vertsIdx4,
flipped=top)
faces_base_top = createFaces(vertsIdx1, vertsIdx2, flipped=top)
faces.extend(faces_base_top)
faces.extend(faces_tooth_middle_top)
faces.extend(faces_tooth_outer_top)
# faces_inside = createFaces(verts_inside_top, verts_inside_bottom)
# faces.extend(faces_inside)
faces_outside = createFaces(verts_outside_top, verts_outside_bottom,
flipped=True)
faces.extend(faces_outside)
if toothCnt == 0:
verts_bridge_first = verts_bridge_start
# Bridge one tooth to the next
if verts_bridge_prev:
faces_bridge = createFaces(verts_bridge_prev, verts_bridge_start)
faces.extend(faces_bridge)
# Remember "end" vertices for next tooth.
verts_bridge_prev = verts_bridge_end
# Bridge the first to the last tooth.
faces_bridge_f_l = createFaces(verts_bridge_prev, verts_bridge_first)
faces.extend(faces_bridge_f_l)
return verts, faces, vgroup_top, vgroup_valley
# Create spokes geometry
# Returns:
# * A list of vertices (list of tuples)
# * A list of faces (list of lists)
#
# teethNum ... Number of teeth on the gear.
# radius ... Radius of the gear, negative for crown gear
# De ... Dedendum, extent of tooth below radius
# base ... Base, extent of gear below radius
# width ... Width, thickness of gear
# conangle ... Conical angle of gear. (radiant)
# rack
# spoke
# spbevel
# spwidth
# splength
# spresol
#
# @todo Finish this
# @todo Create a function that takes a "Gear" and creates a
# matching "Gear Spokes" object
def add_spokes(teethNum, radius, De, base, width=1, conangle=0, rack=0,
spoke=3, spbevel=0.1, spwidth=0.2, splength=1.0, spresol=9):
if teethNum < 2:
return None, None, None, None
if spoke < 2:
return None, None, None, None
t = 2 * pi / teethNum
if rack:
teethNum = 1
scale = (radius - 2 * width * tan(conangle)) / radius
verts = []
faces = []
c = scale # debug
fl = len(verts)
for toothCnt in range(teethNum):
a = toothCnt * t
s = 0 # For test
if toothCnt % spoke == 0:
for d in (-width, width):
sv, edgefaces, edgefaces2, sf = add_spoke(a + s, t, d,
radius * c, De * c, base * c,
spbevel, spwidth, splength, 0, spresol)
verts.extend(sv)
faces.extend([j + fl for j in i] for i in sf)
fl += len(sv)
d1 = fl - len(sv)
d2 = fl - 2 * len(sv)
faces.extend([(i + d2, j + d2, j + d1, i + d1)
for (i, j) in zip(edgefaces[:-1], edgefaces[1:])])
faces.extend([(i + d2, j + d2, j + d1, i + d1)
for (i, j) in zip(edgefaces2[:-1], edgefaces2[1:])])
else:
for d in (-width, width):
sv, edgefaces, edgefaces2, sf = add_spoke(a + s, t, d,
radius * c, De * c, base * c,
spbevel, spwidth, splength, 1, spresol)
verts.extend(sv)
fl += len(sv)
d1 = fl - len(sv)
d2 = fl - 2 * len(sv)
faces.extend([[i + d2, i + 1 + d2, i + 1 + d1, i + d1]
for (i) in range(0, 3)])
faces.extend([[i + d2, i + 1 + d2, i + 1 + d1, i + d1]
for (i) in range(5, 8)])
return verts, faces
# Create worm geometry.
# Returns:
# * A list of vertices
# * A list of faces
# * A list (group) of vertices of the tip
# * A list (group) of vertices of the valley
#
# teethNum ... Number of teeth on the worm
# radius ... Radius of the gear, negative for crown gear
# Ad ... Addendum, extent of tooth above radius
# De ... Dedendum, extent of tooth below radius
# p_angle ... Pressure angle. Skewness of tooth tip. (radiant)
# width ... Width, thickness of gear
# crown ... Inward pointing extend of crown teeth
#
# @todo: Fix teethNum. Some numbers are not possible yet
# @todo: Create start & end geometry (closing faces)
def add_worm(teethNum, rowNum, radius, Ad, De, p_angle,
width=1, skew=radians(11.25), crown=0.0):
worm = teethNum
teethNum = 24
t = 2 * pi / teethNum
verts = []
faces = []
vgroup_top = [] # Vertex group of top/tip? vertices.
vgroup_valley = [] # Vertex group of valley vertices
# width = width / 2.0
edgeloop_prev = []
for Row in range(rowNum):
edgeloop = []
for toothCnt in range(teethNum):
a = toothCnt * t
s = Row * skew
d = Row * width
c = 1
isTooth = False
if toothCnt % (teethNum / worm) != 0:
# Flat
verts1, verts2, verts3, verts4 = add_tooth(a + s, t, d,
radius - De, 0.0, 0.0, 0, p_angle)
# Ignore other verts than the "other base".
verts1 = verts3 = verts4 = []
else:
# Tooth
isTooth = True
verts1, verts2, verts3, verts4 = add_tooth(a + s, t, d,
radius * c, Ad * c, De * c, 0 * c, p_angle, 0, crown)
# Remove various unneeded verts (if we are "inside" the tooth)
del(verts2[2]) # Central vertex in the base of the tooth.
del(verts3[1]) # Central vertex in the middle of the tooth.
vertsIdx2 = list(range(len(verts), len(verts) + len(verts2)))
verts.extend(verts2)
vertsIdx3 = list(range(len(verts), len(verts) + len(verts3)))
verts.extend(verts3)
vertsIdx4 = list(range(len(verts), len(verts) + len(verts4)))
verts.extend(verts4)
if isTooth:
verts_current = []
verts_current.extend(vertsIdx2[:2])
verts_current.append(vertsIdx3[0])
verts_current.extend(vertsIdx4)
verts_current.append(vertsIdx3[-1])
verts_current.append(vertsIdx2[-1])
# Valley = first 2 vertices of outer base:
vgroup_valley.extend(vertsIdx2[:1])
# Top/tip vertices:
vgroup_top.extend(vertsIdx4)
else:
# Flat
verts_current = vertsIdx2
# Valley - all of them.
vgroup_valley.extend(vertsIdx2)
edgeloop.extend(verts_current)
# Create faces between rings/rows.
if edgeloop_prev:
faces_row = createFaces(edgeloop, edgeloop_prev, closed=True)
faces.extend(faces_row)
# Remember last ring/row of vertices for next ring/row iteration.
edgeloop_prev = edgeloop
return verts, faces, vgroup_top, vgroup_valley
class AddGear(Operator):
bl_idname = "mesh.primitive_gear"
bl_label = "Add Gear"
bl_description = "Construct a gear mesh"
bl_options = {'REGISTER', 'UNDO', 'PRESET'}
number_of_teeth: IntProperty(name="Number of Teeth",
description="Number of teeth on the gear",
min=2,
max=265,
default=12
)
radius: FloatProperty(name="Radius",
description="Radius of the gear, negative for crown gear",
min=-100.0,
max=100.0,
unit='LENGTH',
default=1.0
)
addendum: FloatProperty(name="Addendum",
description="Addendum, extent of tooth above radius",
min=0.01,
max=100.0,
unit='LENGTH',
default=0.1
)
dedendum: FloatProperty(name="Dedendum",
description="Dedendum, extent of tooth below radius",
min=0.0,
max=100.0,
unit='LENGTH',
default=0.1
)
angle: FloatProperty(name="Pressure Angle",
description="Pressure angle, skewness of tooth tip",
min=0.0,
max=radians(45.0),
unit='ROTATION',
default=radians(20.0)
)
base: FloatProperty(name="Base",
description="Base, extent of gear below radius",
min=0.0,
max=100.0,
unit='LENGTH',
default=0.2
)
width: FloatProperty(name="Width",
description="Width, thickness of gear",
min=0.05,
max=100.0,
unit='LENGTH',
default=0.2
)
skew: FloatProperty(name="Skewness",
description="Skew of teeth",
min=radians(-90.0),
max=radians(90.0),
unit='ROTATION',
default=radians(0.0)
)
conangle: FloatProperty(name="Conical angle",
description="Conical angle of gear",
min=0.0,
max=radians(90.0),
unit='ROTATION',
default=radians(0.0)
)
crown: FloatProperty(name="Crown",
description="Inward pointing extend of crown teeth",
min=0.0,
max=100.0,
unit='LENGTH',
default=0.0
)
def draw(self, context):
layout = self.layout
box = layout.box()
box.prop(self, 'number_of_teeth')
box = layout.box()
box.prop(self, 'radius')
box.prop(self, 'width')
box.prop(self, 'base')
box = layout.box()
box.prop(self, 'dedendum')
box.prop(self, 'addendum')
box = layout.box()
box.prop(self, 'angle')
box.prop(self, 'skew')
box.prop(self, 'conangle')
box.prop(self, 'crown')
def execute(self, context):
verts, faces, verts_tip, verts_valley = add_gear(
self.number_of_teeth,
self.radius,
self.addendum,
self.dedendum,
self.base,
self.angle,
width=self.width,
skew=self.skew,
conangle=self.conangle,
crown=self.crown
)
# Actually create the mesh object from this geometry data.
base = create_mesh_object(context, verts, [], faces, "Gear")
obj = base.object
# XXX, supporting adding in editmode is move involved
if obj.mode != 'EDIT':
# Create vertex groups from stored vertices.
tipGroup = obj.vertex_groups.new(name='Tips')
tipGroup.add(verts_tip, 1.0, 'ADD')
valleyGroup = obj.vertex_groups.new(name='Valleys')
valleyGroup.add(verts_valley, 1.0, 'ADD')
return {'FINISHED'}
class AddWormGear(Operator):
bl_idname = "mesh.primitive_worm_gear"
bl_label = "Add Worm Gear"
bl_description = "Construct a worm gear mesh"
bl_options = {'REGISTER', 'UNDO', 'PRESET'}
number_of_teeth: IntProperty(
name="Number of Teeth",
description="Number of teeth on the gear",
min=2,
max=265,
default=12
)
number_of_rows: IntProperty(
name="Number of Rows",
description="Number of rows on the worm gear",
min=2,
max=265,
default=32
)
radius: FloatProperty(
name="Radius",
description="Radius of the gear, negative for crown gear",
min=-100.0,
max=100.0,
unit='LENGTH',
default=1.0
)
addendum: FloatProperty(
name="Addendum",
description="Addendum, extent of tooth above radius",
min=0.01,
max=100.0,
unit='LENGTH',
default=0.1
)
dedendum: FloatProperty(
name="Dedendum",
description="Dedendum, extent of tooth below radius",
min=0.0,
max=100.0,
unit='LENGTH',
default=0.1
)
angle: FloatProperty(
name="Pressure Angle",
description="Pressure angle, skewness of tooth tip",
min=0.0,
max=radians(45.0),
default=radians(20.0),
unit='ROTATION'
)
row_height: FloatProperty(
name="Row Height",
description="Height of each Row",
min=0.05,
max=100.0,
unit='LENGTH',
default=0.2
)
skew: FloatProperty(
name="Skewness per Row",
description="Skew of each row",
min=radians(-90.0),
max=radians(90.0),
default=radians(11.25),
unit='ROTATION'
)
crown: FloatProperty(
name="Crown",
description="Inward pointing extend of crown teeth",
min=0.0,
max=100.0,
unit='LENGTH',
default=0.0
)
def draw(self, context):
layout = self.layout
box = layout.box()
box.prop(self, "number_of_teeth")
box.prop(self, "number_of_rows")
box.prop(self, "radius")
box.prop(self, "row_height")
box = layout.box()
box.prop(self, "addendum")
box.prop(self, "dedendum")
box = layout.box()
box.prop(self, "angle")
box.prop(self, "skew")
box.prop(self, "crown")
def execute(self, context):
verts, faces, verts_tip, verts_valley = add_worm(
self.number_of_teeth,
self.number_of_rows,
self.radius,
self.addendum,
self.dedendum,
self.angle,
width=self.row_height,
skew=self.skew,
crown=self.crown
)
# Actually create the mesh object from this geometry data.
base = create_mesh_object(context, verts, [], faces, "Worm Gear")
obj = base.object
# XXX, supporting adding in editmode is move involved
if obj.mode != 'EDIT':
# Create vertex groups from stored vertices.
tipGroup = obj.vertex_groups.new(name='Tips')
tipGroup.add(verts_tip, 1.0, 'ADD')
valleyGroup = obj.vertex_groups.new('Valleys')
valleyGroup.add(verts_valley, 1.0, 'ADD')
return {'FINISHED'}
|