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from collections import defaultdict | |
import mathutils | |
from mathutils import Vector, kdtree | |
def grow(bv, tv, br, tr): | |
basesize = len(bv) | |
size = len(tv) | |
kd = kdtree.KDTree(size) | |
for i, vtx in enumerate(bv): | |
kd.insert(Vector(vtx), i) | |
kd.balance() | |
kd5 = defaultdict(list) | |
for i, vtx in enumerate(tv): | |
co, index, dist = kd.find(vtx) | |
kd5[index].append(i+basesize) | |
print(kd5) | |
edges = [] | |
for key, values in kd5.items(): | |
for idx in values: | |
edges.append((idx, key)) | |
intermediate_vertices = bv + tv | |
def get_median(v_list): | |
x, y, z = 0, 0, 0 | |
n = len(v_list) | |
for v in v_list: | |
x += v[0] | |
y += v[1] | |
z += v[2] | |
return (x/n, y/n, z/n) | |
additional = [] | |
for key, values in kd5.items(): | |
if len(values) > 1: | |
vecs = [intermediate_vertices[i] for i in values + [key]] | |
new_vec = get_median(vecs) | |
print(new_vec) | |
additional.append(new_vec) | |
final_verts = intermediate_vertices + additional | |
return final_verts, edges | |
def sv_main(base_verts=[[]], base_r=1.0, tip_verts=[[]], tip_r=0.5): | |
verts_out = [] | |
edges_out = [] | |
radii_out = [] | |
in_sockets = [ | |
['v', 'base_verts', base_verts], | |
['s', 'base_radius', base_r], | |
['v', 'tip_verts', tip_verts], | |
['s', 'tip_radius', tip_r] | |
] | |
out_sockets = [ | |
['v', 'verts', [verts_out]], | |
['s', 'edges', [edges_out]], | |
['s', 'radii', radii_out] | |
] | |
if base_verts and base_verts[0]: | |
bv = base_verts[0] | |
if tip_verts and tip_verts[0]: | |
tv = tip_verts[0] | |
v, e = grow(bv, tv, base_r, tip_r) | |
verts_out.extend(v) | |
edges_out.extend(e) | |
return in_sockets, out_sockets |
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