40 lines
1.1 KiB
Python
40 lines
1.1 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 : Emmanuel Turquin
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# Date : 04/08/2005
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# Purpose : Produces a blueprint using circular contour strokes
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from freestyle.chainingiterators import ChainPredicateIterator
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from freestyle.predicates import (
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AndUP1D,
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ContourUP1D,
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NotUP1D,
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QuantitativeInvisibilityUP1D,
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SameShapeIdBP1D,
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TrueUP1D,
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pyHigherLengthUP1D,
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)
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from freestyle.shaders import (
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ConstantThicknessShader,
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IncreasingColorShader,
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pyBluePrintCirclesShader,
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pyPerlinNoise1DShader,
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)
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from freestyle.types import Operators
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upred = AndUP1D(QuantitativeInvisibilityUP1D(0), ContourUP1D())
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bpred = SameShapeIdBP1D()
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Operators.select(upred)
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Operators.bidirectional_chain(ChainPredicateIterator(upred, bpred), NotUP1D(upred))
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Operators.select(pyHigherLengthUP1D(200))
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shaders_list = [
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ConstantThicknessShader(5),
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pyBluePrintCirclesShader(3),
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pyPerlinNoise1DShader(0.1, 15, 8),
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IncreasingColorShader(0.8, 0.8, 0.3, 0.4, 0.3, 0.3, 0.3, 0.1),
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]
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Operators.create(TrueUP1D(), shaders_list)
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