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# ##### 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 ##### | |
sv_bl_info = { | |
'authors': '\ | |
original authored by zmj100,\ | |
later modified by Gert De Roost,\ | |
latest incarnation as SN by zeffii' | |
} | |
import bpy | |
import bmesh | |
from mathutils import Matrix | |
from math import cos, pi, degrees, sin, tan | |
from utils.sv_bmesh_utils import bmesh_from_pydata | |
class f_buf(object): | |
an = 0 | |
class fillet_op0(object): | |
adj = 0.1 # min = 0.00001, max = 100.0, step = 1, precision = 3 | |
n = 3 # name = '', default = 3, min = 1, max = 100, step = 1 | |
out = False | |
flip = False | |
radius = False | |
def __init__(self, bm, adj, num_seg): | |
self.bm = bm | |
self.adj = adj | |
self.n = num_seg | |
self.execute() | |
def execute(self): | |
self.settings = self.adj, self.n, self.out, self.flip, self.radius | |
bm = self.bm | |
for v in bm.verts: | |
v.select = True | |
for e in bm.edges: | |
e.select = True | |
done = 1 | |
while done: | |
tempset = set([]) | |
for v in bm.verts: | |
if v.select: | |
tempset.add(v) | |
done = 0 | |
for v in tempset: | |
cnt = 0 | |
edgeset = set([]) | |
for e in v.link_edges: | |
if e.select: | |
edgeset.add(e) | |
cnt += 1 | |
if cnt == 2: | |
self.do_filletplus(edgeset) | |
done = 1 | |
break | |
if done: | |
break | |
# def list_clear_(self, l): | |
# del l[:] | |
# return l | |
def get_adj_v_(self, list_): | |
tmp = {} | |
for i in list_: | |
try: | |
tmp[i[0]].append(i[1]) | |
except KeyError: | |
tmp[i[0]] = [i[1]] | |
try: | |
tmp[i[1]].append(i[0]) | |
except KeyError: | |
tmp[i[1]] = [i[0]] | |
return tmp | |
def do_filletplus(self, pair): | |
adj, n, out, flip, radius = self.settings | |
bm = self.bm | |
list_0 = [list([e.verts[0].index, e.verts[1].index]) for e in pair] | |
vertset = set([]) | |
vertset.add(bm.verts[list_0[0][0]]) | |
vertset.add(bm.verts[list_0[0][1]]) | |
vertset.add(bm.verts[list_0[1][0]]) | |
vertset.add(bm.verts[list_0[1][1]]) | |
v1, v2, v3 = vertset | |
if len(list_0) != 2: | |
# self.report({'INFO'}, 'Two adjacent edges must be selected.') | |
return | |
else: | |
vertlist = [] | |
found = 0 | |
for f in v1.link_faces: | |
if v2 in f.verts and v3 in f.verts: | |
found = 1 | |
if not found: | |
for v in [v1, v2, v3]: | |
if v.index in list_0[0] and v.index in list_0[1]: | |
startv = v | |
face = None | |
else: | |
for f in v1.link_faces: | |
if not (v2 in f.verts and v3 in f.verts): | |
continue | |
for v in f.verts: | |
if not(v in vertset): | |
vertlist.append(v) | |
if (v in vertset and v.link_loops[0].link_loop_prev.vert in vertset | |
and v.link_loops[0].link_loop_next.vert in vertset): | |
startv = v | |
face = f | |
if out: | |
flip = False | |
self.f_(list_0, startv, vertlist, face) | |
def f_(self, list_0, startv, vertlist, face): | |
adj, n, out, flip, radius = self.settings | |
bm = self.bm | |
dict_0 = self.get_adj_v_(list_0) | |
list_1 = [[dict_0[i][0], i, dict_0[i][1]] for i in dict_0 if (len(dict_0[i]) == 2)][0] | |
list_3 = [] | |
for elem in list_1: | |
list_3.append(bm.verts[elem]) | |
list_2 = [] | |
p_ = list_3[1] | |
p = (list_3[1].co).copy() | |
p1 = (list_3[0].co).copy() | |
p2 = (list_3[2].co).copy() | |
vec1 = p - p1 | |
vec2 = p - p2 | |
ang = vec1.angle(vec2, any) | |
f_buf.an = round(degrees(ang)) | |
if f_buf.an in {180, 0.0}: | |
return | |
opp = adj | |
if not radius: | |
h = adj * (1 / cos(ang * 0.5)) | |
adj_ = adj | |
else: | |
h = opp / sin(ang * 0.5) | |
adj_ = opp / tan(ang * 0.5) | |
p3 = p - (vec1.normalized() * adj_) | |
p4 = p - (vec2.normalized() * adj_) | |
rp = p - ((p - ((p3 + p4) * 0.5)).normalized() * h) | |
vec3 = rp - p3 | |
vec4 = rp - p4 | |
axis = vec1.cross(vec2) | |
if out: | |
rot_ang = (2 * pi) - vec1.angle(vec2) | |
else: | |
rot_ang = vec1.angle(vec2) if flip else vec3.angle(vec4) | |
for j in range(n + 1): | |
new_angle = rot_ang * j / n | |
mtrx = Matrix.Rotation(new_angle, 3, axis) | |
if not out: | |
if not flip: | |
tmp = p4 - rp | |
tmp1 = mtrx * tmp | |
tmp2 = tmp1 + rp | |
else: | |
p3 = p - (vec1.normalized() * opp) | |
tmp = p3 - p | |
tmp1 = mtrx * tmp | |
tmp2 = tmp1 + p | |
else: | |
p4 = p - (vec2.normalized() * opp) | |
tmp = p4 - p | |
tmp1 = mtrx * tmp | |
tmp2 = tmp1 + p | |
v = bm.verts.new(tmp2) | |
list_2.append(v) | |
if not flip: | |
list_2.reverse() | |
list_3[1:2] = list_2 | |
n1 = len(list_3) | |
for t in range(n1 - 1): | |
bm.edges.new([list_3[t], list_3[(t + 1) % n1]]) | |
v = bm.verts.new(p) | |
bm.edges.new([v, p_]) | |
if face is not None: | |
self.do_face_manip(face, list_3, startv, vertlist) | |
bm.verts.remove(startv) | |
list_3[1].select = 1 | |
list_3[-2].select = 1 | |
bm.edges.get([list_3[0], list_3[1]]).select = 1 | |
bm.edges.get([list_3[-1], list_3[-2]]).select = 1 | |
bm.verts.index_update() | |
bm.edges.index_update() | |
bm.faces.index_update() | |
def do_face_manip(self, face, list_3, startv, vertlist): | |
for l in face.loops: | |
if l.vert == list_3[0]: | |
startl = l | |
break | |
vertlist2 = [] | |
if startl.link_loop_next.vert == startv: | |
l = startl.link_loop_prev | |
while len(vertlist) > 0: | |
vertlist2.insert(0, l.vert) | |
vertlist.pop(vertlist.index(l.vert)) | |
l = l.link_loop_prev | |
else: | |
l = startl.link_loop_next | |
while len(vertlist) > 0: | |
vertlist2.insert(0, l.vert) | |
vertlist.pop(vertlist.index(l.vert)) | |
l = l.link_loop_next | |
for v in list_3: | |
vertlist2.append(v) | |
self.bm.faces.new(vertlist2) | |
def fillet(verts, edges, adj, num_seg): | |
bm = bmesh_from_pydata(verts[0], edges[0], []) | |
this_fillet = fillet_op0(bm, adj, num_seg) | |
verts_out = [v.co[:] for v in bm.verts] | |
edges_out = [[i.index for i in p.verts] for p in bm.edges[:]] | |
return verts_out, edges_out | |
def sv_main(verts=[[]], edges=[[]], adj=0.3, num_seg=3): | |
verts_out = [] | |
edges_out = [] | |
in_sockets = [ | |
['v', 'verts', verts], | |
['s', 'edges', edges], | |
['s', 'radii', adj], | |
['s', 'segments', num_seg] | |
] | |
out_sockets = [ | |
['v', 'verts', [verts_out]], | |
['s', 'edges', [edges_out]] | |
] | |
if (verts and verts[0]) and (edges and edges[0]): | |
v_out, e_out = fillet(verts, edges, adj, num_seg) | |
verts_out.extend(v_out) | |
edges_out.extend(e_out) | |
return in_sockets, out_sockets |
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