[Bf-extensions-cvs] SVN commit: /data/svn/bf-extensions [2379] contrib/py/scripts/addons/ add_mesh_pyramid.py: First extensions commit of step pyramid.
Philip Cote
cotejrp at gmail.com
Fri Sep 30 05:35:29 CEST 2011
Revision: 2379
http://projects.blender.org/scm/viewvc.php?view=rev&root=bf-extensions&revision=2379
Author: cotejrp1
Date: 2011-09-30 03:35:27 +0000 (Fri, 30 Sep 2011)
Log Message:
-----------
First extensions commit of step pyramid. Changed formatting to bring it closer to pep-8 compliance.
Added Paths:
-----------
contrib/py/scripts/addons/add_mesh_pyramid.py
Added: contrib/py/scripts/addons/add_mesh_pyramid.py
===================================================================
--- contrib/py/scripts/addons/add_mesh_pyramid.py (rev 0)
+++ contrib/py/scripts/addons/add_mesh_pyramid.py 2011-09-30 03:35:27 UTC (rev 2379)
@@ -0,0 +1,160 @@
+# add_mesh_pyramid.py (c) 2011 Phil Cote (cotejrp1)
+#
+# ***** 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 *****
+bl_info = {
+ 'name': 'Mesh Pyramid',
+ 'author': 'Phil Cote, cotejrp1, (http://www.blenderaddons.com)',
+ 'version': (0, 3),
+ "blender": (2, 5, 8),
+ "api": 37702,
+ '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 FloatVectorProperty, IntProperty, FloatProperty, BoolProperty
+
+from add_utils import AddObjectHelper, add_object_data
+from mathutils import Vector
+
+
+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),)) # front
+ face_list.extend(((voffset + 6, voffset + 7,
+ voffset + 3, voffset + 2),)) # back
+ face_list.extend(((voffset + 2, voffset + 6,
+ voffset + 4, voffset + 0),)) # left
+ face_list.extend(((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
+ face_list.extend(((voffset - 2, voffset - 1,
+ voffset + 3, voffset + 2),)) # back
+ face_list.extend(((voffset - 4, voffset - 2,
+ voffset + 2, voffset + 0),)) # left
+ face_list.extend(((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
+
+ # cap the top.
+ voffset = voffset - 8 # remove extra voffset done on final iteration
+ face_list.extend(((voffset + 6, voffset + 7, voffset + 5, voffset + 4),))
+
+ # cap the bottom.
+ face_list.extend(((2, 3, 1, 0),))
+
+ 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 OBJECT_OT_add_pyramid(bpy.types.Operator, AddObjectHelper):
+ """Add a Mesh Object"""
+ bl_idname = "mesh.step_pyramid_add"
+ bl_label = "Pyramid"
+ bl_description = "Create a Pyramid Mesh"
+ bl_options = {'REGISTER', 'UNDO'}
+
+ 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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