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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 LICENSE BLOCK ##### | |
bl_info = { | |
"name": "Make PolySphere (Dynamic)", | |
"author": "Dealga McArdle", | |
"version": (0, 1, 0), | |
"blender": (2, 6, 7), | |
"location": "View3D > Add > Mesh > Add PolySphere", | |
"description": "Adds polysphere you can update before finalizing", | |
"warning": "", | |
"wiki_url": "", | |
"tracker_url": "", | |
"category": "Add Mesh" | |
} | |
import bpy, math | |
from bpy.props import * | |
from mathutils import Vector, Euler | |
def make_polysphere(self): | |
radius = self.radius | |
verts_per_side = self.verts_per_side | |
edge_per_side = verts_per_side - 1 | |
edge_length = (radius * 2) / edge_per_side | |
idx = 0 | |
Verts, Faces = [], [] | |
eulers = [ | |
(0.0, 0.0, 0.0), # bottom | |
(0.0, math.pi, 0.0), # top | |
(math.pi/2, 0.0, 0.0), # side 1 | |
(-math.pi/2, 0.0, 0.0), # side 2 | |
(math.pi/2, 0.0, math.pi/2), # side 3 | |
(math.pi/2, 0.0, -math.pi/2) # side 4 | |
] | |
# make the cube | |
for face, side_rotation in enumerate(eulers): | |
for vert_u in range(verts_per_side): | |
for vert_v in range(verts_per_side): | |
p_x = -radius + (edge_length * vert_u) | |
p_y = -radius + (edge_length * vert_v) | |
p_z = -radius | |
point = Vector((p_x, p_y, p_z)) | |
xz_euler = Euler(side_rotation, 'XYZ') | |
point.rotate(xz_euler) | |
Verts.append(point) | |
for i in range(edge_per_side**2): | |
x = (idx % edge_per_side) | |
y = math.floor(idx / edge_per_side) | |
level = x + (y*verts_per_side) + (face*verts_per_side) | |
idx1 = level | |
idx2 = level + 1 | |
idx3 = level + verts_per_side + 1 | |
idx4 = level + verts_per_side | |
Faces.append([idx1, idx2, idx3, idx4]) | |
idx += 1 | |
# force to sphere | |
Verts2 = [] | |
for vert in Verts: | |
scaled = radius / vert.length | |
Verts2.append(vert * scaled) | |
return Verts2, Faces | |
def create_mesh_object(context, verts, edges, faces, name): | |
mesh = bpy.data.meshes.new(name) | |
mesh.from_pydata(verts, edges, faces) | |
mesh.update() | |
from bpy_extras import object_utils | |
return object_utils.object_data_add(context, mesh, operator=None) | |
class AddPolySphere(bpy.types.Operator): | |
bl_idname = "mesh.polysphere_add" | |
bl_label = "Add PolySphere" | |
bl_options = {'REGISTER', 'UNDO', 'PRESET'} | |
# the max here is arbitrary, and is to avoid accidentally | |
# setting too high for CPU. | |
verts_per_side = IntProperty(name="num profile verts", | |
description="how many verts in profile shape", | |
default=6, min=3, max=12) | |
# these are arbitrary too, if you need higher just edit them | |
# but using a scale factor might make more sense. | |
radius = FloatProperty(name="radius", | |
description="Distance from center to surface", | |
default=1.0, min=0.01, max=10.0) | |
def execute(self, context): | |
verts, faces = make_polysphere(self) | |
base = create_mesh_object(context, verts, [], faces, "PolySphere") | |
context.object.show_wire = True | |
return {'FINISHED'} | |
def menu_func(self, context): | |
self.layout.operator("mesh.polysphere_add", icon="PLUGIN") | |
def register(): | |
bpy.utils.register_module(__name__) | |
bpy.types.INFO_MT_mesh_add.append(menu_func) | |
def unregister(): | |
bpy.utils.unregister_module(__name__) | |
bpy.types.INFO_MT_mesh_add.remove(menu_func) | |
if __name__ == "__main__": | |
register() |
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