forked from bartvdbraak/blender
71641ab56d
This patch adds a new Map Range node that linearly remaps an input value from a range to another. This node is similar to the compositor's Map Range node. Reviewers: brecht, JacquesLucke Differential Revision: https://developer.blender.org/D5471
26 lines
913 B
Plaintext
26 lines
913 B
Plaintext
/*
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* Copyright 2011-2013 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 "stdosl.h"
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shader node_map_range(float Value = 1.0, float FromMin = 0.0, float FromMax = 1.0,
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float ToMin = 0.0, float ToMax = 1.0, output float Result = 0.0)
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{
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if (FromMax != FromMin) {
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Result = ToMin + ((Value - FromMin) / (FromMax - FromMin)) * (ToMax - ToMin);
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}
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}
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