80 lines
2.3 KiB
Python
80 lines
2.3 KiB
Python
# --------------------------------------------------------------------------
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# BPyImage.py version 0.15
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# --------------------------------------------------------------------------
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# helper functions to be used by other scripts
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# --------------------------------------------------------------------------
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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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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#
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# ***** END GPL LICENCE BLOCK *****
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# --------------------------------------------------------------------------
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from Blender import *
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def curve2vecs(ob, WORLDSPACE= True):
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'''
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Takes a curve object and retuirns a list of vec lists (polylines)
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one list per curve
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This is usefull as a way to get a polyline per curve
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so as not to have to deal with the spline types directly
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'''
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if ob.type != 'Curve':
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raise 'must be a curve object'
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me_dummy = Mesh.New()
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me_dummy.getFromObject(ob)
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if WORLDSPACE:
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me_dummy.transform(ob.matrixWorld)
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# build an edge dict
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edges = {} # should be a set
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def sort_pair(i1, i2):
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if i1 > i2: return i2, i1
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else: return i1, i2
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for ed in me_dummy.edges:
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edges[sort_pair(ed.v1.index,ed.v2.index)] = None # dummy value
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# now set the curves
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first_time = True
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current_vecs = []
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vec_list = [current_vecs]
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for v in me_dummy.verts:
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if first_time:
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first_time = False
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current_vecs.append(v.co.copy())
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last_index = v.index
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else:
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index = v.index
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if edges.has_key(sort_pair(index, last_index)):
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current_vecs.append( v.co.copy() )
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else:
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current_vecs = []
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vec_list.append(current_vecs)
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last_index = index
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me_dummy.verts = None
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return vec_list
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