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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 #####
# <pep8 compliant>
import bpy
import mathutils
from math import cos, sin, pi
def add_torus(major_rad, minor_rad, major_seg, minor_seg):
Vector = mathutils.Vector
Quaternion = mathutils.Quaternion
PI_2 = pi * 2
z_axis = (0, 0, 1)
verts = []
faces = []
i1 = 0
tot_verts = major_seg * minor_seg
for major_index in range(major_seg):
quat = Quaternion(z_axis, (major_index / major_seg) * PI_2)
for minor_index in range(minor_seg):
angle = 2 * pi * minor_index / minor_seg
vec = Vector((major_rad + (cos(angle) * minor_rad), 0.0,
(sin(angle) * minor_rad))) * quat
verts.extend([vec.x, vec.y, vec.z])
if minor_index + 1 == minor_seg:
i2 = (major_index) * minor_seg
i3 = i1 + minor_seg
i4 = i2 + minor_seg
else:
i2 = i1 + 1
i3 = i1 + minor_seg
i4 = i3 + 1
if i2 >= tot_verts:
i2 = i2 - tot_verts
if i3 >= tot_verts:
i3 = i3 - tot_verts
if i4 >= tot_verts:
i4 = i4 - tot_verts
# stupid eekadoodle
if i2:
faces.extend([i1, i3, i4, i2])
else:
faces.extend([i2, i1, i3, i4])
i1 += 1
return verts, faces
from bpy.props import *
class AddTorus(bpy.types.Operator):
'''Add a torus mesh'''
bl_idname = "mesh.primitive_torus_add"
bl_label = "Add Torus"
bl_options = {'REGISTER', 'UNDO'}
major_radius = FloatProperty(name="Major Radius",
description="Radius from the origin to the center of the cross sections",
default=1.0, min=0.01, max=100.0)
minor_radius = FloatProperty(name="Minor Radius",
description="Radius of the torus' cross section",
default=0.25, min=0.01, max=100.0)
major_segments = IntProperty(name="Major Segments",
description="Number of segments for the main ring of the torus",
default=48, min=3, max=256)
minor_segments = IntProperty(name="Minor Segments",
description="Number of segments for the minor ring of the torus",
default=12, min=3, max=256)
use_abso = BoolProperty(name="Use Int+Ext Controls",
description="Use the Int / Ext controls for torus dimensions",
default=False)
abso_major_rad = FloatProperty(name="Exterior Radius",
description="Total Exterior Radius of the torus",
default=1.0, min=0.01, max=100.0)
abso_minor_rad = FloatProperty(name="Inside Radius",
description="Total Interior Radius of the torus",
default=0.5, min=0.01, max=100.0)
def execute(self, context):
props = self.properties
if props.use_abso == True:
extra_helper = (props.abso_major_rad - props.abso_minor_rad) * 0.5
props.major_radius = props.abso_minor_rad + extra_helper
props.minor_radius = extra_helper
verts_loc, faces = add_torus(props.major_radius,
props.minor_radius,
props.major_segments,
props.minor_segments)
mesh = bpy.data.meshes.new("Torus")
mesh.add_geometry(int(len(verts_loc) / 3), 0, int(len(faces) / 4))
mesh.verts.foreach_set("co", verts_loc)
mesh.faces.foreach_set("verts_raw", faces)
scene = context.scene
# ugh
for ob in scene.objects:
ob.selected = False
mesh.update()
ob_new = bpy.data.objects.new("Torus", mesh)
scene.objects.link(ob_new)
ob_new.selected = True
ob_new.location = scene.cursor_location
obj_act = scene.objects.active
if obj_act and obj_act.mode == 'EDIT':
bpy.ops.object.mode_set(mode='OBJECT')
obj_act.selected = True
scene.update() # apply location
#scene.objects.active = ob_new
bpy.ops.object.join() # join into the active.
bpy.ops.object.mode_set(mode='EDIT')
else:
scene.objects.active = ob_new
if context.user_preferences.edit.enter_edit_mode:
bpy.ops.object.mode_set(mode='EDIT')
return {'FINISHED'}
def menu_func(self, context):
self.layout.operator(AddTorus.bl_idname, text="Torus", icon='MESH_DONUT')
def register():
bpy.types.register(AddTorus)
bpy.types.INFO_MT_mesh_add.append(menu_func)
def unregister():
bpy.types.unregister(AddTorus)
bpy.types.INFO_MT_mesh_add.remove(menu_func)
if __name__ == "__main__":
register()
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