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https://github.com/blender/blender-addons.git
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314 lines
9.9 KiB
Python
314 lines
9.9 KiB
Python
# GPL # "author": Paulo_Gomes
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import bpy
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from mathutils import Quaternion, Vector
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from math import cos, sin, pi
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from bpy.props import (
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FloatProperty,
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IntProperty,
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BoolProperty,
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StringProperty,
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)
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from bpy_extras import object_utils
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# Create a new mesh (object) from verts/edges/faces
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# verts/edges/faces ... List of vertices/edges/faces for the
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# new mesh (as used in from_pydata)
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# name ... Name of the new mesh (& object)
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def create_mesh_object(context, verts, edges, faces, name):
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# Create new mesh
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mesh = bpy.data.meshes.new(name)
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# Make a mesh from a list of verts/edges/faces
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mesh.from_pydata(verts, edges, faces)
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# Update mesh geometry after adding stuff
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mesh.update()
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from bpy_extras import object_utils
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return object_utils.object_data_add(context, mesh, operator=None)
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# A very simple "bridge" tool
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def createFaces(vertIdx1, vertIdx2, closed=False, flipped=False):
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faces = []
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if not vertIdx1 or not vertIdx2:
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return None
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if len(vertIdx1) < 2 and len(vertIdx2) < 2:
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return None
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fan = False
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if (len(vertIdx1) != len(vertIdx2)):
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if (len(vertIdx1) == 1 and len(vertIdx2) > 1):
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fan = True
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else:
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return None
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total = len(vertIdx2)
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if closed:
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# Bridge the start with the end
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if flipped:
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face = [
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vertIdx1[0],
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vertIdx2[0],
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vertIdx2[total - 1]]
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if not fan:
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face.append(vertIdx1[total - 1])
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faces.append(face)
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else:
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face = [vertIdx2[0], vertIdx1[0]]
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if not fan:
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face.append(vertIdx1[total - 1])
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face.append(vertIdx2[total - 1])
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faces.append(face)
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# Bridge the rest of the faces
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for num in range(total - 1):
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if flipped:
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if fan:
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face = [vertIdx2[num], vertIdx1[0], vertIdx2[num + 1]]
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else:
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face = [vertIdx2[num], vertIdx1[num],
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vertIdx1[num + 1], vertIdx2[num + 1]]
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faces.append(face)
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else:
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if fan:
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face = [vertIdx1[0], vertIdx2[num], vertIdx2[num + 1]]
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else:
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face = [vertIdx1[num], vertIdx2[num],
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vertIdx2[num + 1], vertIdx1[num + 1]]
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faces.append(face)
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return faces
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def add_twisted_torus(major_rad, minor_rad, major_seg, minor_seg, twists):
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PI_2 = pi * 2.0
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z_axis = (0.0, 0.0, 1.0)
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verts = []
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faces = []
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edgeloop_prev = []
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for major_index in range(major_seg):
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quat = Quaternion(z_axis, (major_index / major_seg) * PI_2)
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rot_twists = PI_2 * major_index / major_seg * twists
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edgeloop = []
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# Create section ring
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for minor_index in range(minor_seg):
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angle = (PI_2 * minor_index / minor_seg) + rot_twists
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vec = Vector((
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major_rad + (cos(angle) * minor_rad),
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0.0,
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sin(angle) * minor_rad))
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vec = quat @ vec
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edgeloop.append(len(verts))
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verts.append(vec)
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# Remember very first edgeloop
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if major_index == 0:
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edgeloop_first = edgeloop
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# Bridge last with current ring
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if edgeloop_prev:
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f = createFaces(edgeloop_prev, edgeloop, closed=True)
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faces.extend(f)
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edgeloop_prev = edgeloop
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# Bridge first and last ring
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f = createFaces(edgeloop_prev, edgeloop_first, closed=True)
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faces.extend(f)
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return verts, faces
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class AddTwistedTorus(bpy.types.Operator, object_utils.AddObjectHelper):
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bl_idname = "mesh.primitive_twisted_torus_add"
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bl_label = "Add Twisted Torus"
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bl_description = "Construct a twisted torus mesh"
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bl_options = {'REGISTER', 'UNDO', 'PRESET'}
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TwistedTorus : BoolProperty(name = "TwistedTorus",
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default = True,
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description = "TwistedTorus")
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change : BoolProperty(name = "Change",
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default = False,
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description = "change TwistedTorus")
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major_radius: FloatProperty(
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name="Major Radius",
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description="Radius from the origin to the"
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" center of the cross section",
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min=0.01,
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max=100.0,
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default=1.0
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)
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minor_radius: FloatProperty(
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name="Minor Radius",
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description="Radius of the torus' cross section",
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min=0.01,
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max=100.0,
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default=0.25
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)
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major_segments: IntProperty(
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name="Major Segments",
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description="Number of segments for the main ring of the torus",
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min=3,
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max=256,
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default=48
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)
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minor_segments: IntProperty(
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name="Minor Segments",
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description="Number of segments for the minor ring of the torus",
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min=3,
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max=256,
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default=12
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)
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twists: IntProperty(
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name="Twists",
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description="Number of twists of the torus",
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min=0,
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max=256,
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default=1
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)
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use_abso: BoolProperty(
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name="Use Int/Ext Controls",
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description="Use the Int/Ext controls for torus dimensions",
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default=False
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)
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abso_major_rad: FloatProperty(
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name="Exterior Radius",
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description="Total Exterior Radius of the torus",
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min=0.01,
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max=100.0,
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default=1.0
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)
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abso_minor_rad: FloatProperty(
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name="Inside Radius",
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description="Total Interior Radius of the torus",
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min=0.01,
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max=100.0,
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default=0.5
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)
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def draw(self, context):
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layout = self.layout
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layout.prop(self, 'major_radius', expand=True)
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layout.prop(self, 'minor_radius', expand=True)
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layout.prop(self, 'major_segments', expand=True)
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layout.prop(self, 'minor_segments', expand=True)
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layout.prop(self, 'twists', expand=True)
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layout.prop(self, 'use_abso', expand=True)
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layout.prop(self, 'abso_major_rad', expand=True)
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layout.prop(self, 'abso_minor_rad', expand=True)
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if self.change == False:
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col = layout.column(align=True)
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col.prop(self, 'align', expand=True)
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col = layout.column(align=True)
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col.prop(self, 'location', expand=True)
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col = layout.column(align=True)
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col.prop(self, 'rotation', expand=True)
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def execute(self, context):
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# turn off 'Enter Edit Mode'
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use_enter_edit_mode = bpy.context.preferences.edit.use_enter_edit_mode
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bpy.context.preferences.edit.use_enter_edit_mode = False
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if self.use_abso is True:
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extra_helper = (self.abso_major_rad - self.abso_minor_rad) * 0.5
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self.major_radius = self.abso_minor_rad + extra_helper
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self.minor_radius = extra_helper
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if bpy.context.mode == "OBJECT":
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if context.selected_objects != [] and context.active_object and \
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('TwistedTorus' in context.active_object.data.keys()) and (self.change == True):
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obj = context.active_object
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oldmesh = obj.data
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oldmeshname = obj.data.name
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verts, faces = add_twisted_torus(
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self.major_radius,
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self.minor_radius,
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self.major_segments,
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self.minor_segments,
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self.twists
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)
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mesh = bpy.data.meshes.new('TwistedTorus')
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mesh.from_pydata(verts, [], faces)
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obj.data = mesh
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for material in oldmesh.materials:
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obj.data.materials.append(material)
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bpy.data.meshes.remove(oldmesh)
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obj.data.name = oldmeshname
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else:
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verts, faces = add_twisted_torus(
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self.major_radius,
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self.minor_radius,
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self.major_segments,
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self.minor_segments,
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self.twists
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)
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mesh = bpy.data.meshes.new('TwistedTorus')
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mesh.from_pydata(verts, [], faces)
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obj = object_utils.object_data_add(context, mesh, operator=self)
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obj.data["TwistedTorus"] = True
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obj.data["change"] = False
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for prm in TwistedTorusParameters():
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obj.data[prm] = getattr(self, prm)
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if bpy.context.mode == "EDIT_MESH":
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active_object = context.active_object
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name_active_object = active_object.name
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bpy.ops.object.mode_set(mode='OBJECT')
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verts, faces = add_twisted_torus(
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self.major_radius,
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self.minor_radius,
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self.major_segments,
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self.minor_segments,
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self.twists
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)
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mesh = bpy.data.meshes.new('TwistedTorus')
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mesh.from_pydata(verts, [], faces)
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obj = object_utils.object_data_add(context, mesh, operator=self)
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obj.select_set(True)
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active_object.select_set(True)
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bpy.ops.object.join()
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context.active_object.name = name_active_object
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bpy.ops.object.mode_set(mode='EDIT')
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if use_enter_edit_mode:
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bpy.ops.object.mode_set(mode = 'EDIT')
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# restore pre operator state
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bpy.context.preferences.edit.use_enter_edit_mode = use_enter_edit_mode
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return {'FINISHED'}
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def TwistedTorusParameters():
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TwistedTorusParameters = [
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"major_radius",
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"minor_radius",
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"major_segments",
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"minor_segments",
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"twists",
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"use_abso",
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"abso_major_rad",
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"abso_minor_rad",
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]
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return TwistedTorusParameters
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