44 lines
1.2 KiB
Python
44 lines
1.2 KiB
Python
# SPDX-FileCopyrightText: 2008-2023 Blender Authors
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#
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# SPDX-License-Identifier: GPL-2.0-or-later
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# Author : Stephane Grabli
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# Date : 04/08/2005
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# Purpose : This style module selects the lines that
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# are connected (in the image) to a specific
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# object and trims them in order to produce
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# a haloing effect around the target shape
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from freestyle.chainingiterators import ChainSilhouetteIterator
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from freestyle.predicates import (
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AndUP1D,
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NotUP1D,
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QuantitativeInvisibilityUP1D,
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TrueUP1D,
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pyIsOccludedByUP1D,
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)
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from freestyle.shaders import (
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IncreasingColorShader,
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IncreasingThicknessShader,
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SamplingShader,
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TipRemoverShader,
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pyTVertexRemoverShader,
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)
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from freestyle.types import Id, Operators
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# id corresponds to the id of the target object
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# (accessed by SHIFT+click)
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id = Id(3, 0)
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upred = AndUP1D(QuantitativeInvisibilityUP1D(0), pyIsOccludedByUP1D(id))
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Operators.select(upred)
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Operators.bidirectional_chain(ChainSilhouetteIterator(), NotUP1D(upred))
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shaders_list = [
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IncreasingThicknessShader(3, 5),
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IncreasingColorShader(1, 0, 0, 1, 0, 1, 0, 1),
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SamplingShader(1.0),
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pyTVertexRemoverShader(),
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TipRemoverShader(3.0),
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]
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Operators.create(TrueUP1D(), shaders_list)
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