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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 *****
bl_info = {
"name": "Mangle Tools",
"author": "Phil Cote",
"version": (0, 2),
"blender": (2, 71, 0),
"location": "View3D > Toolshelf > Tools Tab",
"description": "Set of tools to mangle curves, meshes, and shape keys",
"warning": "", # used for warning icon and text in addons panel
"wiki_url": "",
"tracker_url": "https://developer.blender.org/maniphest/task/edit/form/2/",
"category": "Object"}
import bpy
import random
import time
from math import pi
import bmesh
def move_coordinate(context, co, is_curve=False):
xyz_const = context.scene.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 = context.scene.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(bpy.types.Operator):
"""Push vertices on the selected object around in random """ \
"""directions to create a crumpled look"""
bl_idname = "ba.mesh_mangler"
bl_label = "Mangle Mesh"
bl_options = { "REGISTER", "UNDO" }
@classmethod
def poll(cls, context):
ob = context.active_object
return ob != None and ob.type == 'MESH'
def execute(self, context):
mesh = context.active_object.data
bm = bmesh.new()
bm.from_mesh(mesh)
verts, faces = bm.verts, bm.faces
randomMag = context.scene.random_magnitude
random.seed( time.time() )
if mesh.shape_keys != None:
self.report({'INFO'}, "Cannot mangle mesh: Shape keys present")
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
bm.to_mesh(mesh)
mesh.update()
return {'FINISHED'}
class AnimanglerOperator(bpy.types.Operator):
"""Make a shape key and pushes the verts around on it """ \
"""to set up for random pulsating animation"""
bl_idname = "ba.ani_mangler"
bl_label = "Mangle Shape Key"
@classmethod
def poll(cls, context):
ob = context.active_object
return ob != None and ob.type in [ 'MESH', 'CURVE' ]
def execute(self, context):
scn = context.scene
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(bpy.types.Operator):
"""Mangle a curve to the degree the user specifies"""
bl_idname = "ba.curve_mangler"
bl_label = "Mangle Curve"
bl_options = { 'REGISTER', 'UNDO' }
@classmethod
def poll(cls, context):
ob = context.active_object
return ob != None and ob.type == "CURVE"
def execute(self, context):
ob = context.active_object
if ob.data.shape_keys != None:
self.report({'INFO'}, "Cannot mangle curve. Shape keys present")
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(bpy.types.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
obj = context.object
if obj.type in ['MESH',]:
layout = self.layout
col = layout.column()
col.prop(scn, "constraint_vector")
col.prop(scn, "random_magnitude")
col.operator("ba.mesh_mangler")
col.separator()
col.prop(scn, "mangle_name")
col.operator("ba.ani_mangler")
else:
layout = self.layout
col = layout.column()
col.label("Please Select Mesh Object")
IntProperty = bpy.props.IntProperty
StringProperty = bpy.props.StringProperty
BoolVectorProperty = bpy.props.BoolVectorProperty
def register():
bpy.utils.register_class(AnimanglerOperator)
bpy.utils.register_class(MeshManglerOperator)
bpy.utils.register_class(CurveManglerOp)
bpy.utils.register_class(MangleToolsPanel)
scnType = bpy.types.Scene
scnType.constraint_vector = BoolVectorProperty(name="Mangle Constraint",
default=(True,True,True),
subtype='XYZ',
description="Constrains Mangle Direction")
scnType.random_magnitude = IntProperty( name = "Mangle Severity",
default = 5, min = 1, max = 30,
description = "Severity of mangling")
scnType.mangle_name = StringProperty(name="Shape Key Name",
default="mangle",
description="Name given for mangled shape keys")
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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