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Diffstat (limited to 'source/blender/freestyle/style_modules_blender/thickness_fof_depth_discontinuity.py')
-rwxr-xr-x | source/blender/freestyle/style_modules_blender/thickness_fof_depth_discontinuity.py | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/source/blender/freestyle/style_modules_blender/thickness_fof_depth_discontinuity.py b/source/blender/freestyle/style_modules_blender/thickness_fof_depth_discontinuity.py new file mode 100755 index 00000000000..7814f2cac6c --- /dev/null +++ b/source/blender/freestyle/style_modules_blender/thickness_fof_depth_discontinuity.py @@ -0,0 +1,62 @@ +# +# Filename : thickness_fof_depth_discontinuity.py +# Author : Stephane Grabli +# Date : 04/08/2005 +# Purpose : Assigns to strokes a thickness that depends on the depth discontinuity +# +############################################################################# +# +# 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 Blender.Freestyle import * +from logical_operators import * +from ChainingIterators import * +from shaders import * + +class pyDepthDiscontinuityThicknessShader(StrokeShader): + def __init__(self, min, max): + StrokeShader.__init__(self) + self.__min = float(min) + self.__max = float(max) + self.__func = ZDiscontinuityF0D() + def getName(self): + return "pyDepthDiscontinuityThicknessShader" + def shade(self, stroke): + it = stroke.strokeVerticesBegin() + z_min=0.0 + z_max=1.0 + a = (self.__max - self.__min)/(z_max-z_min) + b = (self.__min*z_max-self.__max*z_min)/(z_max-z_min) + it = stroke.strokeVerticesBegin() + while it.isEnd() == 0: + z = self.__func(it.castToInterface0DIterator()) + thickness = a*z+b + it.getObject().attribute().setThickness(thickness, thickness) + it.increment() + +Operators.select(QuantitativeInvisibilityUP1D(0)) +Operators.bidirectionalChain(ChainSilhouetteIterator(), NotUP1D(QuantitativeInvisibilityUP1D(0))) +shaders_list = [ + SamplingShader(1), + ConstantThicknessShader(3), + ConstantColorShader(0.0,0.0,0.0), + pyDepthDiscontinuityThicknessShader(0.8, 6) + ] +Operators.create(TrueUP1D(), shaders_list)
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