33 lines
1.0 KiB
Plaintext
33 lines
1.0 KiB
Plaintext
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/*
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* Copyright 2011-2021 Blender Foundation
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "node_ramp_util.h"
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#include "stdcycles.h"
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shader node_float_curve(float ramp[] = {0.0},
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float min_x = 0.0,
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float max_x = 1.0,
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float ValueIn = 0.0,
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float Factor = 0.0,
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output float ValueOut = 0.0)
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{
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float c = (ValueIn - min_x) / (max_x - min_x);
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ValueOut = rgb_ramp_lookup(ramp, c, 1, 1);
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ValueOut = mix(ValueIn, ValueOut, Factor);
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}
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