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-rw-r--r-- | add_mesh_twisted_torus.py | 219 |
1 files changed, 219 insertions, 0 deletions
diff --git a/add_mesh_twisted_torus.py b/add_mesh_twisted_torus.py new file mode 100644 index 00000000..324842fb --- /dev/null +++ b/add_mesh_twisted_torus.py @@ -0,0 +1,219 @@ +# add_mesh_twisted_torus.py Copyright (C) 2009-2010, Paulo Gomes +# +# add twisted torus to the blender 2.50 add->mesh menu +# ***** 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 LICENCE BLOCK ***** + +bl_addon_info = { + 'name': 'Add Mesh: Twisted Torus', + 'author': 'Paulo_Gomes', + 'version': '0.10', + 'blender': (2, 5, 3), + 'location': 'View3D > Add > Mesh ', + 'url': 'http://wiki.blender.org/index.php/Extensions:2.5/Py/Scripts/Add_Twisted_Torus', + 'category': 'Add Mesh'} + + +""" +Name: 'Twisted Torus' +Blender: 250 +Group: 'AddMesh' +Tip: 'Add a Twisted Torus Object...' +__author__ = ["Paulo_Gomes"] +__version__ = '0.10' +__url__ = [ + ""] +email__=["tuga3d {at} gmail {dot} com"] + +Usage: + +* Launch from Add Mesh menu + +* Modify parameters as desired or keep defaults + +""" + + +import bpy +import Mathutils +from math import cos, sin, pi + + +def add_twisted_torus(major_rad, minor_rad, major_seg, minor_seg, twists): + 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) + rot_twists = 2 * pi * major_index / major_seg * twists + + for minor_index in range(minor_seg): + angle = (2 * pi * minor_index / minor_seg) + rot_twists + + 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 AddTwistedTorus(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 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=12, min=3, max=256) + + twists = IntProperty(name="Twists", + description="Number of twists of the torus", + default=0, min=0, max=5) + + 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_twisted_torus(props.major_radius, + props.minor_radius, + props.major_segments, + props.minor_segments, + props.twists) + + mesh = bpy.data.meshes.new("TwistedTorus") + + 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) + mesh.faces.foreach_set("smooth", [False] * len(mesh.faces)) + + scene = context.scene + + # ugh + for ob in scene.objects: + ob.selected = False + + mesh.update() + ob_new = bpy.data.objects.new("TwistedTorus", 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'} + + +# Add to the menu +menu_func = (lambda self, + context: self.layout.operator(AddTwistedTorus.bl_idname, + text="TwistedTorus", icon='MESH_DONUT')) + + +def register(): + bpy.types.register(AddTwistedTorus) + bpy.types.INFO_MT_mesh_add.append(menu_func) + + +def unregister(): + bpy.types.unregister(AddTwistedTorus) + bpy.types.INFO_MT_mesh_add.remove(menu_func) + +if __name__ == "__main__": + register() |