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# add_mesh_star.py Copyright (C) 2008-2009, FourMadMen.com
#
# add star 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: Star',
'author': 'fourmadmen',
'version': '2.0',
'blender': '2.5.3',
'location': 'View3D > Add > Mesh ',
'url': 'http://wiki.blender.org/index.php/Extensions:2.5/Py/Scripts/Add_Star',
'category': 'Add Mesh'}
"""
Name: 'Add_Mesh_Star'
Blender: 250
"""
"""
Name: 'Star'
Blender: 250
Group: 'AddMesh'
Tip: 'Add Star Object...'
__author__ = ["Four Mad Men", "FourMadMen.com"]
__version__ = '2.00'
__url__ = [
"Script, http://www.fourmadmen.com/blender/scripts/AddMesh/star/add_mesh_star.py",
"Script Index, http://www.fourmadmen.com/blender/scripts/index.html",
"Author Site , http://www.fourmadmen.com"
]
email__=["bwiki {at} fourmadmen {dot} com"]
Usage:
* Launch from Add Mesh menu
* Modify parameters as desired or keep defaults
"""
import bpy
import Mathutils
from math import pi
def add_star(points, outer_radius, inner_radius, depth):
Vector = Mathutils.Vector
Quaternion = Mathutils.Quaternion
PI_2 = pi * 2
z_axis = (0, 0, 1)
verts = []
faces = []
segments = points * 2
tot_verts = segments * 2 + 2
half_height = depth * .5
verts.extend( Vector(0, 0, -half_height) )
verts.extend( Vector(0, 0, half_height) )
i = 2
alt_idx = 0
for index in range(segments):
quat = Quaternion(z_axis, (index / segments) * PI_2)
radius = alt_idx and inner_radius or outer_radius
vec = Vector(radius, 0, -half_height) * quat
verts.extend([vec.x, vec.y, vec.z])
it1 = i
i+=1
vec = Vector(radius, 0, half_height) * quat
verts.extend([vec.x, vec.y, vec.z])
ib1 = i
i+=1
if i>4:
faces.extend( [0, it1-2, it1, 0] )
faces.extend( [it1, it1-2, ib1-2, ib1] )
faces.extend( [1, ib1, ib1-2, 1] )
alt_idx = 1 - alt_idx
faces.extend( [0, it1, 2, 0] )
faces.extend( [2, it1, ib1, 3] )
faces.extend( [1, 3, ib1, 1] )
return verts, faces
from bpy.props import IntProperty, FloatProperty
class AddStar(bpy.types.Operator):
'''Add a star mesh.'''
bl_idname = "mesh.primitive_star_add"
bl_label = "Add Star"
bl_options = {'REGISTER', 'UNDO'}
points = IntProperty(name="Points",
description="Number of points for the star",
default=5, min=2, max=256)
outer_radius = FloatProperty(name="Outer Radius",
description="Outer radius of the star",
default=1.0, min=0.01, max=100.0)
innter_radius = FloatProperty(name="Inner Radius",
description="Inner radius of the star",
default=0.5, min=0.01, max=100.0)
depth = FloatProperty(name="Depth",
description="Depth of the star",
default=0.5, min=0.01, max=100.0)
def execute(self, context):
verts_loc, faces = add_star(self.properties.points,
self.properties.outer_radius,
self.properties.innter_radius,
self.properties.depth)
mesh = bpy.data.meshes.new("Star")
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("Star", 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
# Add to a menu, reuse an icon used elsewhere that happens to have fitting name
# unfortunately, the icon shown is the one I expected from looking at the
# blenderbuttons file from the release/datafiles directory
menu_func = (lambda self, context: self.layout.operator(AddStar.bl_idname,
text="Star", icon='PLUGIN'))
def register():
bpy.types.register(AddStar)
bpy.types.INFO_MT_mesh_add.append(menu_func)
def unregister():
bpy.types.unregister(AddStar)
bpy.types.INFO_MT_mesh_add.remove(menu_func)
# Remove "Star" menu from the "Add Mesh" menu.
#space_info.INFO_MT_mesh_add.remove(menu_func)
if __name__ == "__main__":
register()
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