add chain, remove, merged advanced objects T51110 T50357
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# ##### BEGIN GPL LICENSE BLOCK #####
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License
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# as published by the Free Software Foundation; either version 2
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# of the License, or (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software Foundation,
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# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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#
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# ##### END GPL LICENSE BLOCK #####
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bl_info = {
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"name": "Add Chain",
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"author": "Brian Hinton (Nichod)",
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"version": (0, 1, 2),
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"blender": (2, 71, 0),
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"location": "Toolshelf > Create Tab",
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"description": "Adds Chain with curve guide for easy creation",
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"warning": "",
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"wiki_url": "https://wiki.blender.org/index.php/Extensions:2.6/Py/"
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"Scripts/Object/Add_Chain",
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"category": "Object",
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}
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import bpy
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from bpy.types import (
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Operator,
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Panel,
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)
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def Add_Chain():
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# Adds Empty to scene
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bpy.ops.object.add(type='EMPTY',
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view_align=False,
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enter_editmode=False,
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location=(0, 0, 0),
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rotation=(0, 0, 0),
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)
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# Changes name of Empty to rot_link adds variable emp
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emp = bpy.context.object
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emp.name = "rot_link"
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# Rotate emp ~ 90 degrees
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emp.rotation_euler = [1.570796, 0, 0]
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# Adds Curve Path to scene
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bpy.ops.curve.primitive_nurbs_path_add(view_align=False,
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enter_editmode=False,
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location=(0, 0, 0),
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rotation=(0, 0, 0),
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)
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# Change Curve name to deform adds variable curv
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curv = bpy.context.object
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curv.name = "deform"
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# Inserts Torus primitive
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bpy.ops.mesh.primitive_torus_add(major_radius=1,
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minor_radius=0.25,
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major_segments=12,
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minor_segments=4,
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abso_major_rad=1,
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abso_minor_rad=0.5,
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)
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# Positions Torus primitive to center of scene
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bpy.context.active_object.location = 0.0, 0.0, 0.0
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# Reseting Torus rotation in case of 'Align to view' option enabled
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bpy.context.active_object.rotation_euler = 0.0, 0.0, 0.0
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# Changes Torus name to chain adds variable tor
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tor = bpy.context.object
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tor.name = "chain"
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# Adds Array Modifier to tor
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bpy.ops.object.modifier_add(type='ARRAY')
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# Adds subsurf modifier tor
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bpy.ops.object.modifier_add(type='SUBSURF')
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# Smooths tor
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bpy.ops.object.shade_smooth()
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# Select curv
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sce = bpy.context.scene
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sce.objects.active = curv
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# Toggle into editmode
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bpy.ops.object.editmode_toggle()
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# TODO, may be better to move objects directly.
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# Translate curve object
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bpy.ops.transform.translate(value=(2, 0, 0),
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constraint_axis=(True, False, False),
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constraint_orientation='GLOBAL',
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mirror=False,
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proportional='DISABLED',
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proportional_edit_falloff='SMOOTH',
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proportional_size=1,
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snap=False,
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snap_target='CLOSEST',
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snap_point=(0, 0, 0),
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snap_align=False,
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snap_normal=(0, 0, 0),
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release_confirm=False,
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)
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# Toggle into objectmode
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bpy.ops.object.editmode_toggle()
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# Select tor or chain
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sce.objects.active = tor
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# Selects Array Modifier for editing
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array = tor.modifiers['Array']
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# Change Array Modifier Parameters
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array.fit_type = 'FIT_CURVE'
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array.curve = curv
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array.offset_object = emp
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array.use_object_offset = True
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array.relative_offset_displace = 0.549, 0.0, 0.0
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# Add curve modifier
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bpy.ops.object.modifier_add(type='CURVE')
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# Selects Curve Modifier for editing
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cur = tor.modifiers['Curve']
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# Change Curve Modifier Parameters
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cur.object = curv
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class AddChain(Operator):
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bl_idname = "mesh.primitive_chain_add"
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bl_label = "Add Chain"
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bl_description = ("Create a Chain segment with helper objects controlling modifiers:\n"
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"1) A Curve Modifier Object (deform) for the length and shape,\n"
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"Edit the Path to extend Chain Length\n"
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"2) An Empty (rot_link) as an Array Offset for rotation")
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bl_options = {'REGISTER', 'UNDO'}
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def execute(self, context):
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Add_Chain()
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return {'FINISHED'}
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class add_chain(Panel):
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bl_space_type = 'VIEW_3D'
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bl_region_type = 'TOOLS'
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bl_category = 'Create'
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bl_label = "Add Chain"
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bl_context = "objectmode"
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bl_options = {'DEFAULT_CLOSED'}
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def draw(self, context):
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layout = self.layout
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layout.operator(AddChain.bl_idname, text="Chain", icon="CONSTRAINT")
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def register():
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bpy.utils.register_module(__name__)
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pass
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def unregister():
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bpy.utils.unregister_module(__name__)
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pass
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if __name__ == "__main__":
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register()
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