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def sv_main(divx=2, divy=2, divz=2, size=1.0): | |
in_sockets = [ | |
['s', 'divx', divx], | |
['s', 'divy', divy], | |
['s', 'divz', divz], | |
['s', 'size', size] | |
] | |
def gen_cube(divx, divy, divz, size): | |
if 0 in (divx, divy, divz): | |
return [], [] | |
b = size / 2.0 | |
verts = [ | |
[b, b, -b], [b, -b, -b], [-b, -b, -b], | |
[-b, b, -b], [b, b, b], [b, -b, b], | |
[-b, -b, b], [-b, b, b] | |
] | |
faces = [[0, 1, 2, 3], [4, 7, 6, 5], | |
[0, 4, 5, 1], [1, 5, 6, 2], | |
[2, 6, 7, 3], [4, 0, 3, 7]] | |
if (divx, divy, divz) == (1, 1, 1): | |
return verts, faces | |
# ok, looks like we have some work to do! | |
import bmesh | |
import mathutils | |
from mathutils import Vector | |
bm = bmesh.new() | |
[bm.verts.new(co) for co in verts] | |
bm.normal_update() | |
for face in faces: | |
bm.faces.new(tuple(bm.verts[i] for i in face)) | |
bm.normal_update() | |
dist = 0.0001 | |
section_dict = {0: divx, 1: divy, 2: divz} | |
for axis in range(3): | |
num_sections = section_dict[axis] | |
if num_sections == 1: | |
continue | |
step = 1 / num_sections | |
v1 = Vector(tuple((b if (i == axis) else 0) for i in [0, 1, 2])) | |
v2 = Vector(tuple((-b if (i == axis) else 0) for i in [0, 1, 2])) | |
for section in range(num_sections): | |
mid_vec = v1.lerp(v2, section * step) | |
plane_no = v2 - mid_vec | |
plane_co = mid_vec | |
visible_geom = bm.faces[:] + bm.verts[:] + bm.edges[:] | |
bmesh.ops.bisect_plane( | |
bm, geom=visible_geom, dist=dist, | |
plane_co=plane_co, plane_no=plane_no, | |
use_snap_center=False, | |
clear_outer=False, clear_inner=False) | |
indices = lambda face: [v.index for v in face.verts] | |
vert = [v.co.to_tuple() for v in bm.verts] | |
poly = [indices(face) for face in bm.faces] | |
return vert, poly | |
vert, poly = gen_cube(divx, divy, divz, size) | |
out_sockets = [ | |
['v', 'vert', vert], | |
['s', 'poly', poly] | |
] | |
return in_sockets, out_sockets | |
''' | |
_, outs = sv_main(1, 3, 2, 4) | |
verts = outs[0][2] | |
faces = outs[1][2] | |
print("verts: ", verts) | |
print("polygons: ", faces) | |
import bpy | |
mesh_data = bpy.data.meshes.new("cube_mesh_data") | |
mesh_data.from_pydata(verts, [], faces) | |
mesh_data.update() # (calc_edges=True) not needed here | |
cube_object = bpy.data.objects.new("Cube_Object", mesh_data) | |
scene = bpy.context.scene | |
scene.objects.link(cube_object) | |
cube_object.select = True | |
''' |
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