forked from bartvdbraak/blender
ea2ebf7a00
These are complex nodes, and it's conceivable they may end up constant in some circumstances within node groups, so folding support is useful. Reviewed By: brecht Differential Revision: https://developer.blender.org/D2084
41 lines
1.1 KiB
Plaintext
41 lines
1.1 KiB
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 "node_ramp_util.h"
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shader node_vector_curves(
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color 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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vector VectorIn = vector(0.0, 0.0, 0.0),
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float Fac = 0.0,
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output vector VectorOut = vector(0.0, 0.0, 0.0))
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{
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vector c = (VectorIn - vector(min_x, min_x, min_x)) / (max_x - min_x);
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color r = rgb_ramp_lookup(ramp, c[0], 1, 1);
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color g = rgb_ramp_lookup(ramp, c[0], 1, 1);
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color b = rgb_ramp_lookup(ramp, c[0], 1, 1);
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VectorOut[0] = r[0];
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VectorOut[1] = g[1];
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VectorOut[2] = b[2];
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VectorOut = mix(VectorIn, VectorOut, Fac);
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}
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