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# mangle_tools.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 ######
# Note: properties are moved into __init__
bl_info = {
"name": "Mangle Tools",
"author": "Phil Cote",
"version": (0, 2, 2),
"blender": (2, 71, 0),
"location": "View3D > Toolshelf > Tools Tab",
"description": "Set of tools to mangle curves, meshes, and shape keys",
"warning": "",
"wiki_url": "",
"category": "Object"}
import bpy
import random
from bpy.types import (
Operator,
Panel,
)
import time
from math import pi
import bmesh
def move_coordinate(context, co, is_curve=False):
advanced_objects = context.scene.advanced_objects
xyz_const = advanced_objects.mangle_constraint_vector
random.seed(time.time())
multiplier = 1
# For curves, we base the multiplier on the circumference formula.
# This helps make curve changes more noticable.
if is_curve:
multiplier = 2 * pi
random_mag = advanced_objects.mangle_random_magnitude
if xyz_const[0]:
co.x += .01 * random.randrange(-random_mag, random_mag) * multiplier
if xyz_const[1]:
co.y += .01 * random.randrange(-random_mag, random_mag) * multiplier
if xyz_const[2]:
co.z += .01 * random.randrange(-random_mag, random_mag) * multiplier
class MeshManglerOperator(Operator):
bl_idname = "ba.mesh_mangler"
bl_label = "Mangle Mesh"
bl_description = ("Push vertices on the selected object around in random\n"
"directions to create a crumpled look")
bl_options = {"REGISTER", "UNDO"}
@classmethod
def poll(cls, context):
ob = context.active_object
return ob is not None and ob.type == 'MESH'
def execute(self, context):
mesh = context.active_object.data
bm = bmesh.new()
bm.from_mesh(mesh)
verts = bm.verts
advanced_objects = context.scene.advanced_objects
randomMag = advanced_objects.mangle_random_magnitude
random.seed(time.time())
if mesh.shape_keys is not None:
self.report({'INFO'},
"Cannot mangle mesh: Shape keys present. Operation Cancelled")
return {'CANCELLED'}
for vert in verts:
xVal = .01 * random.randrange(-randomMag, randomMag)
yVal = .01 * random.randrange(-randomMag, randomMag)
zVal = .01 * random.randrange(-randomMag, randomMag)
vert.co.x = vert.co.x + xVal
vert.co.y = vert.co.y + yVal
vert.co.z = vert.co.z + zVal
del verts
bm.to_mesh(mesh)
mesh.update()
return {'FINISHED'}
class AnimanglerOperator(Operator):
bl_idname = "ba.ani_mangler"
bl_label = "Mangle Shape Key"
bl_description = ("Make a shape key and pushes the verts around on it\n"
"to set up for random pulsating animation")
@classmethod
def poll(cls, context):
ob = context.active_object
return ob is not None and ob.type in ['MESH', 'CURVE']
def execute(self, context):
scn = context.scene.advanced_objects
mangleName = scn.mangle_name
ob = context.object
shapeKey = ob.shape_key_add(name=mangleName)
verts = shapeKey.data
for vert in verts:
move_coordinate(context, vert.co, is_curve=ob.type == 'CURVE')
return {'FINISHED'}
class CurveManglerOp(Operator):
bl_idname = "ba.curve_mangler"
bl_label = "Mangle Curve"
bl_description = "Mangle a curve to the degree the user specifies"
bl_options = {'REGISTER', 'UNDO'}
@classmethod
def poll(cls, context):
ob = context.active_object
return ob is not None and ob.type == "CURVE"
def execute(self, context):
ob = context.active_object
if ob.data.shape_keys is not None:
self.report({'INFO'},
"Cannot mangle curve. Shape keys present. Operation Cancelled")
return {'CANCELLED'}
splines = context.object.data.splines
for spline in splines:
if spline.type == 'BEZIER':
points = spline.bezier_points
elif spline.type in {'POLY', 'NURBS'}:
points = spline.points
for point in points:
move_coordinate(context, point.co, is_curve=True)
return {'FINISHED'}
class MangleToolsPanel(Panel):
bl_label = "Mangle Tools"
bl_space_type = "VIEW_3D"
bl_context = "objectmode"
bl_region_type = "TOOLS"
bl_category = "Create"
bl_options = {'DEFAULT_CLOSED'}
def draw(self, context):
scn = context.scene.advanced_objects
obj = context.object
if obj and obj.type in ['MESH']:
layout = self.layout
row = layout.row(align=True)
row.prop(scn, "mangle_constraint_vector", toggle=True)
col = layout.column()
col.prop(scn, "mangle_random_magnitude")
col.operator("ba.mesh_mangler")
col.separator()
col.prop(scn, "mangle_name")
col.operator("ba.ani_mangler")
else:
layout = self.layout
layout.label(text="Please select a Mesh Object", icon="INFO")
def register():
bpy.utils.register_class(AnimanglerOperator)
bpy.utils.register_class(MeshManglerOperator)
bpy.utils.register_class(CurveManglerOp)
bpy.utils.register_class(MangleToolsPanel)
def unregister():
bpy.utils.unregister_class(AnimanglerOperator)
bpy.utils.unregister_class(MeshManglerOperator)
bpy.utils.unregister_class(MangleToolsPanel)
bpy.utils.unregister_class(CurveManglerOp)
if __name__ == "__main__":
register()
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