150 lines
4.8 KiB
Python
150 lines
4.8 KiB
Python
# ##### BEGIN GPL LICENSE BLOCK #####
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License
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# as published by the Free Software Foundation; either version 2
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# of the License, or (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software Foundation,
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# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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#
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# ##### END GPL LICENSE BLOCK #####
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# <pep8 compliant>
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import bpy
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import mathutils
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from math import cos, sin, pi
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def add_torus(major_rad, minor_rad, major_seg, minor_seg):
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Vector = mathutils.Vector
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Quaternion = mathutils.Quaternion
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PI_2 = pi * 2
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z_axis = (0, 0, 1)
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verts = []
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faces = []
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i1 = 0
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tot_verts = major_seg * minor_seg
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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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for minor_index in range(minor_seg):
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angle = 2 * pi * minor_index / minor_seg
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vec = Vector((major_rad + (cos(angle) * minor_rad), 0.0,
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(sin(angle) * minor_rad))) * quat
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verts.extend(vec[:])
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if minor_index + 1 == minor_seg:
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i2 = (major_index) * minor_seg
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i3 = i1 + minor_seg
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i4 = i2 + minor_seg
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else:
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i2 = i1 + 1
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i3 = i1 + minor_seg
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i4 = i3 + 1
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if i2 >= tot_verts:
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i2 = i2 - tot_verts
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if i3 >= tot_verts:
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i3 = i3 - tot_verts
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if i4 >= tot_verts:
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i4 = i4 - tot_verts
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# stupid eekadoodle
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if i2:
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faces.extend([i1, i3, i4, i2])
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else:
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faces.extend([i2, i1, i3, i4])
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i1 += 1
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return verts, faces
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from bpy.props import *
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class AddTorus(bpy.types.Operator):
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'''Add a torus mesh'''
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bl_idname = "mesh.primitive_torus_add"
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bl_label = "Add Torus"
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bl_options = {'REGISTER', 'UNDO'}
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major_radius = FloatProperty(name="Major Radius",
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description="Radius from the origin to the center of the cross sections",
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default=1.0, min=0.01, max=100.0)
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minor_radius = FloatProperty(name="Minor Radius",
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description="Radius of the torus' cross section",
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default=0.25, min=0.01, max=100.0)
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major_segments = IntProperty(name="Major Segments",
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description="Number of segments for the main ring of the torus",
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default=48, min=3, max=256)
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minor_segments = IntProperty(name="Minor Segments",
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description="Number of segments for the minor ring of the torus",
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default=12, min=3, max=256)
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use_abso = BoolProperty(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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abso_major_rad = FloatProperty(name="Exterior Radius",
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description="Total Exterior Radius of the torus",
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default=1.0, min=0.01, max=100.0)
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abso_minor_rad = FloatProperty(name="Inside Radius",
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description="Total Interior Radius of the torus",
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default=0.5, min=0.01, max=100.0)
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# generic transform props
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location = FloatVectorProperty(name="Location")
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rotation = FloatVectorProperty(name="Rotation")
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def execute(self, context):
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props = self.properties
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if props.use_abso == True:
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extra_helper = (props.abso_major_rad - props.abso_minor_rad) * 0.5
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props.major_radius = props.abso_minor_rad + extra_helper
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props.minor_radius = extra_helper
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verts_loc, faces = add_torus(props.major_radius,
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props.minor_radius,
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props.major_segments,
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props.minor_segments)
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mesh = bpy.data.meshes.new("Torus")
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mesh.vertices.add(len(verts_loc) // 3)
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mesh.faces.add(len(faces) // 4)
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mesh.vertices.foreach_set("co", verts_loc)
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mesh.faces.foreach_set("vertices_raw", faces)
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mesh.update()
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import add_object_utils
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add_object_utils.add_object_data(context, mesh, operator=self)
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return {'FINISHED'}
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def menu_func(self, context):
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self.layout.operator(AddTorus.bl_idname, text="Torus", icon='MESH_TORUS')
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def register():
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bpy.types.INFO_MT_mesh_add.append(menu_func)
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def unregister():
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bpy.types.INFO_MT_mesh_add.remove(menu_func)
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if __name__ == "__main__":
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register()
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