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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 LICENCE BLOCK *****
# (c) 2011 Phil Cote (cotejrp1)
'''
bl_info = {
'name': 'Mesh Pyramid',
'author': 'Phil Cote, cotejrp1, (http://www.blenderaddons.com)',
'version': (0, 3),
"blender": (2, 5, 8),
'location': 'View3D > Add > Mesh',
'description': 'Create an egyption-style step pyramid',
'warning': '', # used for warning icon and text in addons panel
'category': 'Add Mesh'}
'''
import bpy
from bpy.props import IntProperty, FloatProperty
from add_utils import AddObjectHelper, add_object_data
def makePyramid(initial_size, step_height, step_width, number_steps):
vert_list = []
face_list = []
cur_size = initial_size # how large each step will be overall
# b = buttom, t = top, f = front, b = back, l = left, r = right
x = y = z = 0
voffset = 0 # relative vert indices to help make faces fo each step
sn = 0 # step number
while sn < number_steps:
# bottom verts for this iteration
bfl = (x, y, z)
bfr = (x + cur_size, y, z)
bbl = (x, y + cur_size, z)
bbr = (x + cur_size, y + cur_size, z)
# top verts for this iteration.
tfl = (x, y, z + step_height)
tfr = (x + cur_size, y, z + step_height)
tbl = (x, y + cur_size, z + step_height)
tbr = (x + cur_size, y + cur_size, z + step_height)
# add to the vert buffer
vert_list.extend((bfl, bfr, bbl, bbr, tfl, tfr, tbl, tbr,))
# side faces
face_list.extend((
(voffset + 4, voffset + 5, voffset + 1, voffset + 0), # back
(voffset + 6, voffset + 7, voffset + 3, voffset + 2), # front
(voffset + 2, voffset + 6, voffset + 4, voffset + 0), # left
(voffset + 3, voffset + 7, voffset + 5, voffset + 1), # right
))
# horizontal connecting faces ( note: n/a for the first iteration ).
if voffset > 0:
face_list.extend((
(voffset - 4, voffset - 3, voffset + 1, voffset + 0), # connector front
(voffset - 2, voffset - 1, voffset + 3, voffset + 2), # back
(voffset - 4, voffset - 2, voffset + 2, voffset + 0), # left
(voffset - 3, voffset - 1, voffset + 3, voffset + 1), # right
))
# set up parameters for the next iteration
cur_size = cur_size - (step_width * 2)
x = x + step_width
y = y + step_width
z = z + step_height
sn = sn + 1
voffset = voffset + 8
voffset = voffset - 8 # remove extra voffset done on final iteration
face_list.extend((
(voffset + 6, voffset + 7, voffset + 5, voffset + 4), # cap the top.
(2, 3, 1, 0), # cap the bottom.
))
return vert_list, face_list
def add_pyramid_object(self, context):
verts, faces = makePyramid(self.initial_size, self.step_height,
self.step_width, self.number_steps)
mesh_data = bpy.data.meshes.new(name="Pyramid")
mesh_data.from_pydata(verts, [], faces)
mesh_data.update()
res = add_object_data(context, mesh_data, operator=self)
class AddPyramid(bpy.types.Operator, AddObjectHelper):
"""Add a Mesh Object"""
bl_idname = "mesh.primitive_steppyramid_add"
bl_label = "Pyramid"
bl_options = {'REGISTER', 'UNDO', 'PRESET'}
initial_size = FloatProperty(name="Initial Size", default=2.0,
min=0.0, max=20.0,
description="Set the initial size at the pyramid base")
step_height = FloatProperty(name="Step Height", default=0.1,
min=0.0, max=10.0,
description="How tall each of the steps will be")
step_width = FloatProperty(name="Step Width", default=0.1,
min=0.0, max=10.0,
description="How wide each step will be")
number_steps = IntProperty(name="Number Steps", default=10,
min=1, max=20,
description="Total number of steps")
def execute(self, context):
add_pyramid_object(self, context)
return {'FINISHED'}
'''
def menu_func(self, context):
self.layout.operator(OBJECT_OT_add_pyramid.bl_idname,
text="Pyramid", icon="PLUGIN")
def register():
bpy.utils.register_class(OBJECT_OT_add_pyramid)
bpy.types.INFO_MT_mesh_add.append(menu_func)
def unregister():
bpy.utils.unregister_class(OBJECT_OT_add_pyramid)
bpy.types.INFO_MT_mesh_add.remove(menu_func)
if __name__ == "__main__":
register()
'''
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