forked from bartvdbraak/blender
151 lines
5.0 KiB
Python
151 lines
5.0 KiB
Python
# ##### 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
|
|
#
|
|
# ##### END GPL LICENSE BLOCK #####
|
|
|
|
# <pep8-80 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_register = True
|
|
bl_undo = True
|
|
|
|
major_radius = FloatProperty(name="Major Radius",
|
|
description="Radius from center of torus to center of it's cross section",
|
|
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=16, 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):
|
|
|
|
if self.properties.use_abso == True:
|
|
extra_helper = (self.properties.abso_major_rad - self.properties.abso_minor_rad) * 0.5
|
|
self.properties.major_radius = self.properties.abso_minor_rad + extra_helper
|
|
self.properties.minor_radius = extra_helper
|
|
|
|
verts_loc, faces = add_torus(self.properties.major_radius,
|
|
self.properties.minor_radius,
|
|
self.properties.major_segments,
|
|
self.properties.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')
|
|
ob_new.data = mesh
|
|
scene.objects.link(ob_new)
|
|
scene.objects.active = ob_new
|
|
ob_new.selected = True
|
|
|
|
ob_new.location = tuple(context.scene.cursor_location)
|
|
|
|
return {'FINISHED'}
|
|
|
|
# Register the operator
|
|
bpy.types.register(AddTorus)
|
|
|
|
# Add to the menu
|
|
menu_func = (lambda self, context: self.layout.operator(AddTorus.bl_idname,
|
|
text="Torus", icon='MESH_DONUT'))
|
|
|
|
bpy.types.INFO_MT_mesh_add.append(menu_func)
|
|
|
|
if __name__ == "__main__":
|
|
bpy.ops.mesh.primitive_torus_add()
|