【Blender】ラティスの生成の自動化はできるか？【Addon】

身内の宣伝コーナー

フルオーダーから既製デザイン柔軟に対応！

袴ロンパースの製作販売してます！レンタルもやってます！

大口注文やレンタルのサブスクなど相談ください！

袴ロンパースのFor 結

まだプレゼント企画中です

よかったら見てみてね

ココから本題

今回は少しまたAddon関連のお話をしようと思います。

Addon関連、と言っても既製品ではなく自作の話ですのでAddon紹介とはまた違います。

もちろん自分では考えません(笑)

今回もまたChatGPTなどを使ってみます。

最近流行りですとグーグルさんのBARDもいい感じですよね

‎Bard - Chat Based AI Tool from GoogleDiscover more about Bard, a collaborative AI tool developed by Google to help bring your ideas to life.

bard.google.com

BARDさんもだいぶいい感じに熟れてきているので使ってみない手はないと思います。

色々ありまして、原文ママですが下記の通りです。

bl_info = {
"name": "Add Coordinated Lattice",
"blender": (2, 80, 0),
"category": "Object",
}

import bpy
from bpy.types import Operator, Menu

import mathutils

def add_coordinated_lattice(obj):
# Calculate bounding box coordinates
maxx = maxy = maxz = None
minx = miny = minz = None

for v in obj.bound_box:
maxx = max(v[0], maxx) if maxx is not None else v[0]
maxy = max(v[1], maxy) if maxy is not None else v[1]
maxz = max(v[2], maxz) if maxz is not None else v[2]
minx = min(v[0], minx) if minx is not None else v[0]
miny = min(v[1], miny) if miny is not None else v[1]
minz = min(v[2], minz) if minz is not None else v[2]

# Get center of bounding box
cx = (maxx + minx) / 2
cy = (maxy + miny) / 2
cz = (maxz + minz) / 2

# Get bounding box size
sx = (maxx - minx)
sy = (maxy - miny)
sz = (maxz - minz)

# Get lattice location (= bounding box center)
cv = mathutils.Vector((cx, cy, cz))
dv = mathutils.Vector(x * y for x, y in zip(cv, obj.scale))
eul = obj.rotation_euler
dv.rotate(eul)
loc = obj.location + dv

# Remove the layers property from the bpy.ops.object.add call
bpy.ops.object.add(
radius=1,
type='LATTICE',
enter_editmode=False,
location=loc
)
lat = bpy.context.object

# Set lattice rotation and size
lat.rotation_euler = obj.rotation_euler
sv = mathutils.Vector((sx, sy, sz))
lat.scale = mathutils.Vector(x * y for x, y in zip(sv, obj.scale))

# Make parents with lattice deform (obj -> lat)
obj.select_set(True)
bpy.context.view_layer.objects.active = lat
bpy.ops.object.parent_set(type='LATTICE')

if __name__ == '__main__':
if bpy.context.mode == 'OBJECT':
obj = bpy.context.object
if obj.type in {'MESH', 'CURVE'}:
add_coordinated_lattice(obj)
else:
print("This is only for mesh or curve.")
else:
print("Please change the mode to Object mode.")

class OBJECT_OT_add_coordinated_lattice(Operator):
bl_idname = "object.add_coordinated_lattice"
bl_label = "Add Coordinated Lattice"
bl_options = {'REGISTER', 'UNDO'}

def execute(self, context):
obj = bpy.context.active_object
if obj and obj.type in {'MESH', 'CURVE'} and bpy.context.mode == 'OBJECT':
add_coordinated_lattice(obj)
else:
self.report({'INFO'}, "This is only for mesh or curve in object mode.")

return {'FINISHED'}

def menu_func(self, context):
layout = self.layout
layout.operator("object.add_coordinated_lattice", icon='PLUGIN')

def draw_menu(self, context):
layout = self.layout
layout.separator()
layout.operator(OBJECT_OT_add_coordinated_lattice.bl_idname)

def register():
bpy.utils.register_class(OBJECT_OT_add_coordinated_lattice)
bpy.types.VIEW3D_MT_mesh_add.append(draw_menu)

def unregister():
bpy.utils.unregister_class(OBJECT_OT_add_coordinated_lattice)
bpy.types.VIEW3D_MT_mesh_add.remove(draw_menu)

if __name__ == "__main__":
register()