diff options
Diffstat (limited to 'release/scripts/freestyle/style_modules/sketchy_topology_broken.py')
-rwxr-xr-x | release/scripts/freestyle/style_modules/sketchy_topology_broken.py | 89 |
1 files changed, 89 insertions, 0 deletions
diff --git a/release/scripts/freestyle/style_modules/sketchy_topology_broken.py b/release/scripts/freestyle/style_modules/sketchy_topology_broken.py new file mode 100755 index 00000000000..9ec0cffcfec --- /dev/null +++ b/release/scripts/freestyle/style_modules/sketchy_topology_broken.py @@ -0,0 +1,89 @@ +# +# Filename : sketchy_topology_broken.py +# Author : Stephane Grabli +# Date : 04/08/2005 +# Purpose : The topology of the strokes is, first, built +# independantly from the 3D topology of objects, +# and, second, so as to chain several times the same ViewEdge. +# +############################################################################# +# +# Copyright (C) : Please refer to the COPYRIGHT file distributed +# with this source distribution. +# +# 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. +# +############################################################################# + +from freestyle_init import * +from logical_operators import * +from ChainingIterators import * +from shaders import * + +## Backbone stretcher that leaves cusps intact to avoid cracks +class pyBackboneStretcherNoCuspShader(StrokeShader): + def __init__(self, l): + StrokeShader.__init__(self) + self._l = l + def getName(self): + return "pyBackboneStretcherNoCuspShader" + def shade(self, stroke): + it0 = stroke.strokeVerticesBegin() + it1 = StrokeVertexIterator(it0) + it1.increment() + itn = stroke.strokeVerticesEnd() + itn.decrement() + itn_1 = StrokeVertexIterator(itn) + itn_1.decrement() + v0 = it0.getObject() + v1 = it1.getObject() + if((v0.getNature() & Nature.CUSP == 0) and (v1.getNature() & Nature.CUSP == 0)): + p0 = v0.getPoint() + p1 = v1.getPoint() + d1 = p0-p1 + d1.normalize() + newFirst = p0+d1*float(self._l) + v0.setPoint(newFirst) + else: + print("got a v0 cusp") + vn_1 = itn_1.getObject() + vn = itn.getObject() + if((vn.getNature() & Nature.CUSP == 0) and (vn_1.getNature() & Nature.CUSP == 0)): + pn = vn.getPoint() + pn_1 = vn_1.getPoint() + dn = pn-pn_1 + dn.normalize() + newLast = pn+dn*float(self._l) + vn.setPoint(newLast) + else: + print("got a vn cusp") + + +Operators.select(QuantitativeInvisibilityUP1D(0)) +## Chain 3 times each ViewEdge indpendantly from the +## initial objects topology +Operators.bidirectionalChain(pySketchyChainingIterator(3)) +shaders_list = [ + SamplingShader(4), + SpatialNoiseShader(6, 120, 2, 1, 1), + IncreasingThicknessShader(4, 10), + SmoothingShader(100, 0.1, 0, 0.2, 0, 0, 0, 1), + pyBackboneStretcherNoCuspShader(20), + #ConstantColorShader(0.0,0.0,0.0) + IncreasingColorShader(0.2,0.2,0.2,1,0.5,0.5,0.5,1), + #IncreasingColorShader(1,0,0,1,0,1,0,1), + TextureAssignerShader(4) + ] +Operators.create(TrueUP1D(), shaders_list) |