35 lines
1.1 KiB
Python
35 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 : Stephane Grabli
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# Date : 04/08/2005
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# Purpose : Draws the visible lines (chaining follows same nature lines)
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# (most basic style module)
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from freestyle.chainingiterators import ChainSilhouetteIterator
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from freestyle.functions import pyInverseCurvature2DAngleF0D
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from freestyle.predicates import (
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NotUP1D,
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QuantitativeInvisibilityUP1D,
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TrueUP1D,
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pyHigherLengthUP1D,
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pyParameterUP0D,
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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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)
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from freestyle.types import Operators
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Operators.select(QuantitativeInvisibilityUP1D(0))
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Operators.bidirectional_chain(ChainSilhouetteIterator(), NotUP1D(QuantitativeInvisibilityUP1D(0)))
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func = pyInverseCurvature2DAngleF0D()
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Operators.recursive_split(func, pyParameterUP0D(0.4, 0.6), NotUP1D(pyHigherLengthUP1D(100)), 2)
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shaders_list = [
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ConstantThicknessShader(10),
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IncreasingColorShader(1, 0, 0, 1, 0, 1, 0, 1),
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]
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Operators.create(TrueUP1D(), shaders_list)
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